Merge pull request #2480 from calmh/shortdblabels

Change database folder label format

AUTHORS

@@ -1,8 +1,9 @@
 # This is the official list of Syncthing authors for copyright purposes.
 
 Aaron Bieber <qbit@deftly.net>
-Adam Piggott	<aD@simplypeachy.co.uk> <simplypeachy@users.noreply.github.com>
+Adam Piggott <aD@simplypeachy.co.uk> <simplypeachy@users.noreply.github.com>
 Alexander Graf <register-github@alex-graf.de>
+Anderson Mesquita <andersonvom@gmail.com>
 Andrew Dunham <andrew@du.nham.ca>
 Antony Male <antony.male@gmail.com>
 Arthur Axel fREW Schmidt <frew@afoolishmanifesto.com> <frioux@gmail.com>
@@ -34,9 +35,10 @@ Felix Unterpaintner <bigbear2nd@gmail.com>
 Francois-Xavier Gsell <fxgsell@gmail.com>
 Frank Isemann <frank@isemann.name>
 Gilli Sigurdsson <gilli@vx.is>
+Jaakko Hannikainen <jgke@jgke.fi>
 Jacek Szafarkiewicz <szafar@linux.pl>
-Jakob Borg <jakob@nym.se>
 Jake Peterson <jake@acogdev.com>
+Jakob Borg <jakob@nym.se>
 James Patterson <jamespatterson@operamail.com> <jpjp@users.noreply.github.com>
 Jaroslav Malec <dzardacz@gmail.com>
 Jens Diemer <github.com@jensdiemer.de> <git@jensdiemer.de>
@@ -44,6 +46,7 @@ Jochen Voss <voss@seehuhn.de>
 Johan Vromans <jvromans@squirrel.nl>
 Karol Różycki <rozycki.karol@gmail.com>
 Ken'ichi Kamada <kamada@nanohz.org>
+Kevin Allen <kma1660@gmail.com>
 Lode Hoste <zillode@zillode.be>
 Lord Landon Agahnim <lordlandon@gmail.com>
 Marc Laporte <marc@marclaporte.com> <marc@laporte.name>
@@ -54,6 +57,7 @@ Matt Burke <mburke@amplify.com> <burkemw3@gmail.com>
 Michael Jephcote <rewt0r@gmx.com> <Rewt0r@users.noreply.github.com>
 Michael Ploujnikov <ploujj@gmail.com>
 Michael Tilli <pyfisch@gmail.com>
+Nate Morrison <natemorrison@gmail.com>
 Pascal Jungblut <github@pascalj.com> <mail@pascal-jungblut.com>
 Peter Hoeg <peter@speartail.com>
 Philippe Schommers <philippe@schommers.be>
@@ -62,14 +66,15 @@ Piotr Bejda <piotrb10@gmail.com>
 Ryan Sullivan <kayoticsully@gmail.com>
 Scott Klupfel <kluppy@going2blue.com>
 Sergey Mishin <ralder@yandex.ru>
-Stefan Tatschner <stefan@sevenbyte.org> <rumpelsepp@sevenbyte.org>
 Stefan Kuntz <stefan.github@gmail.com> <Stefan.github@gmail.com>
+Stefan Tatschner <stefan@sevenbyte.org> <rumpelsepp@sevenbyte.org>
 Tim Abell <tim@timwise.co.uk>
 Tobias Nygren <tnn@nygren.pp.se>
 Tomas Cerveny <kozec@kozec.com>
 Tully Robinson <tully@tojr.org>
 Tyler Brazier <tyler@tylerbrazier.com>
 Veeti Paananen <veeti.paananen@rojekti.fi>
-Vil Brekin <vilbrekin@gmail.com>
 Victor Buinsky <vix_booja@tut.by>
+Vil Brekin <vilbrekin@gmail.com>
+William A. Kennington III <william@wkennington.com>
 Yannic A. <eipiminusone+github@gmail.com> <eipiminus1@users.noreply.github.com>

Godeps/Godeps.json

@@ -1,6 +1,6 @@
 {
 	"ImportPath": "github.com/syncthing/syncthing",
-	"GoVersion": "go1.5.1",
+	"GoVersion": "go1.5.2",
 	"Packages": [
 		"./cmd/..."
 	],
@@ -31,7 +31,7 @@
 		},
 		{
 			"ImportPath": "github.com/kardianos/osext",
-			"Rev": "345163ffe35aa66560a4cd7dddf00f3ae21c9fda"
+			"Rev": "29ae4ffbc9a6fe9fb2bc5029050ce6996ea1d3bc"
 		},
 		{
 			"ImportPath": "github.com/rcrowley/go-metrics",

Godeps/_workspace/src/github.com/kardianos/osext/osext.go

@@ -7,12 +7,18 @@ package osext
 
 import "path/filepath"
 
+var cx, ce = executableClean()
+
+func executableClean() (string, error) {
+	p, err := executable()
+	return filepath.Clean(p), err
+}
+
 // Executable returns an absolute path that can be used to
 // re-invoke the current program.
 // It may not be valid after the current program exits.
 func Executable() (string, error) {
-	p, err := executable()
-	return filepath.Clean(p), err
+	return cx, ce
 }
 
 // Returns same path as Executable, returns just the folder

Godeps/_workspace/src/github.com/kardianos/osext/osext_sysctl.go

@@ -53,30 +53,30 @@ func executable() (string, error) {
 		// NULL terminated arguments.
 		var args []string
 		argv := uintptr(unsafe.Pointer(&buf[0]))
-		Loop:
-			for {
-				argp := *(**[1<<20]byte)(unsafe.Pointer(argv))
-				if argp == nil {
-					break
-				}
-				for i := 0; uintptr(i) < n; i++ {
-					// we don't want the full arguments list
-					if string(argp[i]) == " " {
-						break Loop
-					}
-					if argp[i] != 0 {
-						continue
-					}
-					args = append(args, string(argp[:i]))
-					n -= uintptr(i)
-					break
-				}
-				if n < unsafe.Sizeof(argv) {
-					break
-				}
-				argv += unsafe.Sizeof(argv)
-				n -= unsafe.Sizeof(argv)
+	Loop:
+		for {
+			argp := *(**[1 << 20]byte)(unsafe.Pointer(argv))
+			if argp == nil {
+				break
 			}
+			for i := 0; uintptr(i) < n; i++ {
+				// we don't want the full arguments list
+				if string(argp[i]) == " " {
+					break Loop
+				}
+				if argp[i] != 0 {
+					continue
+				}
+				args = append(args, string(argp[:i]))
+				n -= uintptr(i)
+				break
+			}
+			if n < unsafe.Sizeof(argv) {
+				break
+			}
+			argv += unsafe.Sizeof(argv)
+			n -= unsafe.Sizeof(argv)
+		}
 		execPath = args[0]
 		// There is no canonical way to get an executable path on
 		// OpenBSD, so check PATH in case we are called directly

NICKS

@@ -1,19 +1,11 @@
 # This file maps email addresses used in commits to nicks used the changelog.
 
-AudriusButkevicius	<audrius.butkevicius@gmail.com>
-Cathryne	<cathryne.linenweaver@gmail.com> <Cathryne@users.noreply.github.com>
-KayoticSully	<kayoticsully@gmail.com>
-LordLandon	<lordlandon@gmail.com>
-Moter8		<moter8@gmail.com>
-Nutomic		<me@nutomic.com>
-Rewt0r		<rewt0r@gmx.com> <Rewt0r@users.noreply.github.com>
-Stefan-Code	<stefan.github@gmail.com> <Stefan.github@gmail.com>
-Vilbrekin	<vilbrekin@gmail.com>
-Zillode		<zillode@zillode.be>
 acogdev		<jake@acogdev.com>
 alex2108	<register-github@alex-graf.de>
+andersonvom	<andersonvom@gmail.com>
 andrew-d	<andrew@du.nham.ca>
 asdil12		<dominik@heidler.eu>
+AudriusButkevicius	<audrius.butkevicius@gmail.com>
 bencurthoys	<ben@bencurthoys.com>
 bigbear2nd	<bigbear2nd@gmail.com>
 brbecker	<brbecker@gmail.com>
@@ -24,6 +16,7 @@ buinsky	<vix_booja@tut.by>
 burkemw3	<mburke@amplify.com> <burkemw3@gmail.com>
 calmh		<jakob@nym.se>
 canton7	<antony.male@gmail.com>
+Cathryne	<cathryne.linenweaver@gmail.com> <Cathryne@users.noreply.github.com>
 cdata		<chris@scriptolo.gy>
 cdhowie	<me@chrishowie.com>
 ceh		<emil@hessman.se>
@@ -37,20 +30,27 @@ frioux		<frew@afoolishmanifesto.com> <frioux@gmail.com>
 fti7	<frank@isemann.name>
 gillisig	<gilli@vx.is>
 hadogenes	<szafar@linux.pl>
+ironmig	<kma1660@gmail.com>
 jarlebring	<jarlebring@gmail.com>
 jedie		<github.com@jensdiemer.de> <git@jensdiemer.de>
+jgke	<jgke@jgke.fi>
 jpjp		<jamespatterson@operamail.com> <jpjp@users.noreply.github.com>
 kamadak		<kamada@nanohz.org>
+KayoticSully	<kayoticsully@gmail.com>
 kilburn		<kilburn@la3.org>
 kluppy	<kluppy@going2blue.com>
 kozec		<kozec@kozec.com>
 krozycki	<rozycki.karol@gmail.com>
+LordLandon	<lordlandon@gmail.com>
 marcindziadus	<dziadus.marcin@gmail.com>
 marclaporte <marc@marclaporte.com>
 mateon1	<matin1111@wp.pl>
 mogwa1	<devriesb@gmail.com>
 moshen		<moshen.colin@gmail.com>
+Moter8		<moter8@gmail.com>
 mvdan		<mvdan@mvdan.cc>
+nrm21	<natemorrison@gmail.com>
+Nutomic		<me@nutomic.com>
 pascalj		<github@pascalj.com> <mail@pascal-jungblut.com>
 peterhoeg	<peter@speartail.com>
 philips		<brandon@ifup.org>
@@ -60,16 +60,21 @@ pluby		<phill.luby@newredo.com>
 pyfisch		<pyfisch@gmail.com>
 qbit		<qbit@deftly.net>
 ralder		<ralder@yandex.ru>
+Rewt0r		<rewt0r@gmx.com> <Rewt0r@users.noreply.github.com>
 rumpelsepp	<stefan@sevenbyte.org> <rumpelsepp@sevenbyte.org>
 sciurius	<jvromans@squirrel.nl>
 seehuhn		<voss@seehuhn.de>
-snnd		<dw@risu.io>
 simplypeachy	<aD@simplypeachy.co.uk> <simplypeachy@users.noreply.github.com>
+snnd		<dw@risu.io>
+Stefan-Code	<stefan.github@gmail.com> <Stefan.github@gmail.com>
 timabell	<tim@timwise.co.uk>
 tnn2		<tnn@nygren.pp.se>
 tojrobinson	<tully@tojr.org>
 tylerbrazier	<tyler@tylerbrazier.com>
 uok		<ueomkail@gmail.com> <uok@users.noreply.github.com>
 veeti		<veeti.paananen@rojekti.fi>
+Vilbrekin	<vilbrekin@gmail.com>
+wkennington	<william@wkennington.com>
 wsgcsysadmin	<e.meitner@willystreet.coo>
+Zillode		<zillode@zillode.be>
 zukoo		<fxgsell@gmail.com>

README.md

@@ -27,8 +27,12 @@ Take a look at the [getting started guide][2].
 There are a few examples for keeping Syncthing running in the background
 on your system in [the etc directory][3].
 
-There is an IRC channel, `#syncthing` on [Freenode][4], for talking directly
-to developers and users.
+## Getting in Touch
+
+The first and best point of contact is the [Forum][8]. There is also an IRC
+channel, `#syncthing` on [Freenode][4] (with a [web client][9]), for talking
+directly to developers and users. If you've found something that is clearly a
+bug, feel free to report it in the [GitHub issue tracker][10].
 
 ## Building
 
@@ -51,7 +55,10 @@ All code is licensed under the [MPLv2 License][7].
 [1]: http://docs.syncthing.net/specs/bep-v1.html
 [2]: http://docs.syncthing.net/intro/getting-started.html
 [3]: https://github.com/syncthing/syncthing/blob/master/etc
-[4]: https://webchat.freenode.net/
+[4]: http://www.freenode.net/irc_servers.shtml
 [5]: http://docs.syncthing.net/dev/building.html
 [6]: http://docs.syncthing.net/
 [7]: https://github.com/syncthing/syncthing/blob/master/LICENSE
+[8]: https://forum.syncthing.net/
+[9]: https://kiwiirc.com/client/irc.freenode.net/#syncthing
+[10]: https://github.com/syncthing/syncthing/issues

build.go

@@ -64,7 +64,7 @@ func main() {
 	flag.Parse()
 
 	switch goarch {
-	case "386", "amd64", "arm":
+	case "386", "amd64", "arm", "arm64", "ppc64", "ppc64le":
 		break
 	default:
 		log.Printf("Unknown goarch %q; proceed with caution!", goarch)
@@ -182,6 +182,7 @@ func setup() {
 	runPrint("go", "get", "-v", "github.com/tools/godep")
 	runPrint("go", "get", "-v", "github.com/axw/gocov/gocov")
 	runPrint("go", "get", "-v", "github.com/AlekSi/gocov-xml")
+	runPrint("go", "get", "-v", "bitbucket.org/tebeka/go2xunit")
 }
 
 func test(pkg string) {
@@ -219,7 +220,7 @@ func build(pkg string, tags []string) {
 	}
 
 	rmr(binary)
-	args := []string{"build", "-ldflags", ldflags()}
+	args := []string{"build", "-i", "-v", "-ldflags", ldflags()}
 	if len(tags) > 0 {
 		args = append(args, "-tags", strings.Join(tags, ","))
 	}
@@ -448,7 +449,6 @@ func ldflags() string {
 	fmt.Fprintf(b, " -X main.BuildStamp%c%d", sep, buildStamp())
 	fmt.Fprintf(b, " -X main.BuildUser%c%s", sep, buildUser())
 	fmt.Fprintf(b, " -X main.BuildHost%c%s", sep, buildHost())
-	fmt.Fprintf(b, " -X main.BuildEnv%c%s", sep, buildEnvironment())
 	return b.String()
 }
 

build.sh

@@ -74,27 +74,26 @@ case "${1:-default}" in
 		;;
 
 	all)
-		build -goos darwin -goarch amd64 tar
+		platforms=(
+			darwin-amd64 dragonfly-amd64 freebsd-amd64 linux-amd64 netbsd-amd64 openbsd-amd64 solaris-amd64 windows-amd64
+			freebsd-386 linux-386 netbsd-386 openbsd-386 windows-386
+			linux-arm linux-arm64 linux-ppc64 linux-ppc64le
+		)
 
-		build -goos dragonfly -goarch amd64 tar
+		for plat in "${platforms[@]}"; do
+			echo Building "$plat"
 
-		build -goos freebsd -goarch 386 tar
-		build -goos freebsd -goarch amd64 tar
+			goos="${plat%-*}"
+			goarch="${plat#*-}"
+			dist="tar"
 
-		build -goos linux -goarch 386 tar
-		build -goos linux -goarch amd64 tar
-		build -goos linux -goarch arm tar
+			if [[ $goos == "windows" ]]; then
+				dist="zip"
+			fi
 
-		build -goos netbsd -goarch 386 tar
-		build -goos netbsd -goarch amd64 tar
-
-		build -goos openbsd -goarch 386 tar
-		build -goos openbsd -goarch amd64 tar
-
-		build -goos solaris -goarch amd64 tar
-
-		build -goos windows -goarch 386 zip
-		build -goos windows -goarch amd64 zip
+			build -goos "$goos" -goarch "$goarch" "$dist"
+			echo
+		done
 		;;
 
 	test-cov)
@@ -126,6 +125,15 @@ case "${1:-default}" in
 		fi
 		;;
 
+	test-xunit)
+		ulimit -t 600 &>/dev/null || true
+		ulimit -d 512000 &>/dev/null || true
+		ulimit -m 512000 &>/dev/null || true
+
+		(GOPATH="$(pwd)/Godeps/_workspace:$GOPATH" go test -v -race ./lib/... ./cmd/... || true) > tests.out
+		go2xunit -output tests.xml -fail < tests.out
+		;;
+
 	docker-all)
 		img=${DOCKERIMG:-syncthing/build:latest}
 		docker run --rm -h syncthing-builder -u $(id -u) -t \

cmd/syncthing/addresslister.go

@@ -15,14 +15,14 @@ import (
 )
 
 type addressLister struct {
-	upnpSvc *upnpSvc
-	cfg     *config.Wrapper
+	upnpService *upnpService
+	cfg         *config.Wrapper
 }
 
-func newAddressLister(upnpSvc *upnpSvc, cfg *config.Wrapper) *addressLister {
+func newAddressLister(upnpService *upnpService, cfg *config.Wrapper) *addressLister {
 	return &addressLister{
-		upnpSvc: upnpSvc,
-		cfg:     cfg,
+		upnpService: upnpService,
+		cfg:         cfg,
 	}
 }
 
@@ -73,10 +73,10 @@ func (e *addressLister) addresses(includePrivateIPV4 bool) []string {
 		}
 	}
 
-	// Get an external port mapping from the upnpSvc, if it has one. If so,
+	// Get an external port mapping from the upnpService, if it has one. If so,
 	// add it as another unspecified address.
-	if e.upnpSvc != nil {
-		if port := e.upnpSvc.ExternalPort(); port != 0 {
+	if e.upnpService != nil {
+		if port := e.upnpService.ExternalPort(); port != 0 {
 			addrs = append(addrs, fmt.Sprintf("tcp://:%d", port))
 		}
 	}

cmd/syncthing/auditservice.go

@@ -13,17 +13,17 @@ import (
 	"github.com/syncthing/syncthing/lib/events"
 )
 
-// The auditSvc subscribes to events and writes these in JSON format, one
+// The auditService subscribes to events and writes these in JSON format, one
 // event per line, to the specified writer.
-type auditSvc struct {
+type auditService struct {
 	w       io.Writer     // audit destination
 	stop    chan struct{} // signals time to stop
 	started chan struct{} // signals startup complete
 	stopped chan struct{} // signals stop complete
 }
 
-func newAuditSvc(w io.Writer) *auditSvc {
-	return &auditSvc{
+func newAuditService(w io.Writer) *auditService {
+	return &auditService{
 		w:       w,
 		stop:    make(chan struct{}),
 		started: make(chan struct{}),
@@ -32,7 +32,7 @@ func newAuditSvc(w io.Writer) *auditSvc {
 }
 
 // Serve runs the audit service.
-func (s *auditSvc) Serve() {
+func (s *auditService) Serve() {
 	defer close(s.stopped)
 	sub := events.Default.Subscribe(events.AllEvents)
 	defer events.Default.Unsubscribe(sub)
@@ -52,18 +52,18 @@ func (s *auditSvc) Serve() {
 }
 
 // Stop stops the audit service.
-func (s *auditSvc) Stop() {
+func (s *auditService) Stop() {
 	close(s.stop)
 }
 
 // WaitForStart returns once the audit service is ready to receive events, or
 // immediately if it's already running.
-func (s *auditSvc) WaitForStart() {
+func (s *auditService) WaitForStart() {
 	<-s.started
 }
 
 // WaitForStop returns once the audit service has stopped.
 // (Needed by the tests.)
-func (s *auditSvc) WaitForStop() {
+func (s *auditService) WaitForStop() {
 	<-s.stopped
 }

cmd/syncthing/auditservice_test.go

@@ -17,13 +17,13 @@ import (
 
 func TestAuditService(t *testing.T) {
 	buf := new(bytes.Buffer)
-	svc := newAuditSvc(buf)
+	service := newAuditService(buf)
 
 	// Event sent before start, will not be logged
 	events.Default.Log(events.Ping, "the first event")
 
-	go svc.Serve()
-	svc.WaitForStart()
+	go service.Serve()
+	service.WaitForStart()
 
 	// Event that should end up in the audit log
 	events.Default.Log(events.Ping, "the second event")
@@ -31,8 +31,8 @@ func TestAuditService(t *testing.T) {
 	// We need to give the events time to arrive, since the channels are buffered etc.
 	time.Sleep(10 * time.Millisecond)
 
-	svc.Stop()
-	svc.WaitForStop()
+	service.Stop()
+	service.WaitForStop()
 
 	// This event should not be logged, since we have stopped.
 	events.Default.Log(events.Ping, "the third event")

cmd/syncthing/gui.go

@@ -48,16 +48,16 @@ var (
 	startTime    = time.Now()
 )
 
-type apiSvc struct {
+type apiService struct {
 	id              protocol.DeviceID
 	cfg             *config.Wrapper
 	assetDir        string
 	model           *model.Model
 	eventSub        *events.BufferedSubscription
 	discoverer      *discover.CachingMux
-	relaySvc        *relay.Svc
+	relayService    *relay.Service
 	listener        net.Listener
-	fss             *folderSummarySvc
+	fss             *folderSummaryService
 	stop            chan struct{}
 	systemConfigMut sync.Mutex
 
@@ -65,26 +65,26 @@ type apiSvc struct {
 	systemLog *logger.Recorder
 }
 
-func newAPISvc(id protocol.DeviceID, cfg *config.Wrapper, assetDir string, m *model.Model, eventSub *events.BufferedSubscription, discoverer *discover.CachingMux, relaySvc *relay.Svc, errors, systemLog *logger.Recorder) (*apiSvc, error) {
-	svc := &apiSvc{
+func newAPIService(id protocol.DeviceID, cfg *config.Wrapper, assetDir string, m *model.Model, eventSub *events.BufferedSubscription, discoverer *discover.CachingMux, relayService *relay.Service, errors, systemLog *logger.Recorder) (*apiService, error) {
+	service := &apiService{
 		id:              id,
 		cfg:             cfg,
 		assetDir:        assetDir,
 		model:           m,
 		eventSub:        eventSub,
 		discoverer:      discoverer,
-		relaySvc:        relaySvc,
+		relayService:    relayService,
 		systemConfigMut: sync.NewMutex(),
 		guiErrors:       errors,
 		systemLog:       systemLog,
 	}
 
 	var err error
-	svc.listener, err = svc.getListener(cfg.GUI())
-	return svc, err
+	service.listener, err = service.getListener(cfg.GUI())
+	return service, err
 }
 
-func (s *apiSvc) getListener(guiCfg config.GUIConfiguration) (net.Listener, error) {
+func (s *apiService) getListener(guiCfg config.GUIConfiguration) (net.Listener, error) {
 	cert, err := tls.LoadX509KeyPair(locations[locHTTPSCertFile], locations[locHTTPSKeyFile])
 	if err != nil {
 		l.Infoln("Loading HTTPS certificate:", err)
@@ -130,7 +130,12 @@ func (s *apiSvc) getListener(guiCfg config.GUIConfiguration) (net.Listener, erro
 	return listener, nil
 }
 
-func (s *apiSvc) Serve() {
+func sendJSON(w http.ResponseWriter, jsonObject interface{}) {
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	json.NewEncoder(w).Encode(jsonObject)
+}
+
+func (s *apiService) Serve() {
 	s.stop = make(chan struct{})
 
 	// The GET handlers
@@ -224,7 +229,7 @@ func (s *apiSvc) Serve() {
 		ReadTimeout: 10 * time.Second,
 	}
 
-	s.fss = newFolderSummarySvc(s.cfg, s.model)
+	s.fss = newFolderSummaryService(s.cfg, s.model)
 	defer s.fss.Stop()
 	s.fss.ServeBackground()
 
@@ -242,20 +247,20 @@ func (s *apiSvc) Serve() {
 	}
 }
 
-func (s *apiSvc) Stop() {
+func (s *apiService) Stop() {
 	close(s.stop)
 	s.listener.Close()
 }
 
-func (s *apiSvc) String() string {
-	return fmt.Sprintf("apiSvc@%p", s)
+func (s *apiService) String() string {
+	return fmt.Sprintf("apiService@%p", s)
 }
 
-func (s *apiSvc) VerifyConfiguration(from, to config.Configuration) error {
+func (s *apiService) VerifyConfiguration(from, to config.Configuration) error {
 	return nil
 }
 
-func (s *apiSvc) CommitConfiguration(from, to config.Configuration) bool {
+func (s *apiService) CommitConfiguration(from, to config.Configuration) bool {
 	if to.GUI == from.GUI {
 		return true
 	}
@@ -317,7 +322,7 @@ func debugMiddleware(h http.Handler) http.Handler {
 					written = rf.Int()
 				}
 			}
-			l.Debugf("http: %s %q: status %d, %d bytes in %.02f ms", r.Method, r.URL.String(), status, written, ms)
+			httpl.Debugf("http: %s %q: status %d, %d bytes in %.02f ms", r.Method, r.URL.String(), status, written, ms)
 		}
 	})
 }
@@ -365,16 +370,12 @@ func withDetailsMiddleware(id protocol.DeviceID, h http.Handler) http.Handler {
 	})
 }
 
-func (s *apiSvc) restPing(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(map[string]string{
-		"ping": "pong",
-	})
+func (s *apiService) restPing(w http.ResponseWriter, r *http.Request) {
+	sendJSON(w, map[string]string{"ping": "pong"})
 }
 
-func (s *apiSvc) getSystemVersion(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(map[string]string{
+func (s *apiService) getSystemVersion(w http.ResponseWriter, r *http.Request) {
+	sendJSON(w, map[string]string{
 		"version":     Version,
 		"codename":    Codename,
 		"longVersion": LongVersion,
@@ -383,29 +384,28 @@ func (s *apiSvc) getSystemVersion(w http.ResponseWriter, r *http.Request) {
 	})
 }
 
-func (s *apiSvc) getSystemDebug(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+func (s *apiService) getSystemDebug(w http.ResponseWriter, r *http.Request) {
 	names := l.Facilities()
 	enabled := l.FacilityDebugging()
 	sort.Strings(enabled)
-	json.NewEncoder(w).Encode(map[string]interface{}{
+	sendJSON(w, map[string]interface{}{
 		"facilities": names,
 		"enabled":    enabled,
 	})
 }
 
-func (s *apiSvc) postSystemDebug(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postSystemDebug(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/json; charset=utf-8")
 	q := r.URL.Query()
 	for _, f := range strings.Split(q.Get("enable"), ",") {
-		if f == "" {
+		if f == "" || l.ShouldDebug(f) {
 			continue
 		}
 		l.SetDebug(f, true)
 		l.Infof("Enabled debug data for %q", f)
 	}
 	for _, f := range strings.Split(q.Get("disable"), ",") {
-		if f == "" {
+		if f == "" || !l.ShouldDebug(f) {
 			continue
 		}
 		l.SetDebug(f, false)
@@ -413,7 +413,7 @@ func (s *apiSvc) postSystemDebug(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func (s *apiSvc) getDBBrowse(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getDBBrowse(w http.ResponseWriter, r *http.Request) {
 	qs := r.URL.Query()
 	folder := qs.Get("folder")
 	prefix := qs.Get("prefix")
@@ -424,14 +424,10 @@ func (s *apiSvc) getDBBrowse(w http.ResponseWriter, r *http.Request) {
 		levels = -1
 	}
 
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-
-	tree := s.model.GlobalDirectoryTree(folder, prefix, levels, dirsonly)
-
-	json.NewEncoder(w).Encode(tree)
+	sendJSON(w, s.model.GlobalDirectoryTree(folder, prefix, levels, dirsonly))
 }
 
-func (s *apiSvc) getDBCompletion(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getDBCompletion(w http.ResponseWriter, r *http.Request) {
 	var qs = r.URL.Query()
 	var folder = qs.Get("folder")
 	var deviceStr = qs.Get("device")
@@ -442,20 +438,15 @@ func (s *apiSvc) getDBCompletion(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	res := map[string]float64{
+	sendJSON(w, map[string]float64{
 		"completion": s.model.Completion(device, folder),
-	}
-
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(res)
+	})
 }
 
-func (s *apiSvc) getDBStatus(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getDBStatus(w http.ResponseWriter, r *http.Request) {
 	qs := r.URL.Query()
 	folder := qs.Get("folder")
-	res := folderSummary(s.cfg, s.model, folder)
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(res)
+	sendJSON(w, folderSummary(s.cfg, s.model, folder))
 }
 
 func folderSummary(cfg *config.Wrapper, m *model.Model, folder string) map[string]interface{} {
@@ -497,13 +488,13 @@ func folderSummary(cfg *config.Wrapper, m *model.Model, folder string) map[strin
 	return res
 }
 
-func (s *apiSvc) postDBOverride(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postDBOverride(w http.ResponseWriter, r *http.Request) {
 	var qs = r.URL.Query()
 	var folder = qs.Get("folder")
 	go s.model.Override(folder)
 }
 
-func (s *apiSvc) getDBNeed(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getDBNeed(w http.ResponseWriter, r *http.Request) {
 	qs := r.URL.Query()
 
 	folder := qs.Get("folder")
@@ -520,38 +511,29 @@ func (s *apiSvc) getDBNeed(w http.ResponseWriter, r *http.Request) {
 	progress, queued, rest, total := s.model.NeedFolderFiles(folder, page, perpage)
 
 	// Convert the struct to a more loose structure, and inject the size.
-	output := map[string]interface{}{
+	sendJSON(w, map[string]interface{}{
 		"progress": s.toNeedSlice(progress),
 		"queued":   s.toNeedSlice(queued),
 		"rest":     s.toNeedSlice(rest),
 		"total":    total,
 		"page":     page,
 		"perpage":  perpage,
-	}
-
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(output)
+	})
 }
 
-func (s *apiSvc) getSystemConnections(w http.ResponseWriter, r *http.Request) {
-	var res = s.model.ConnectionStats()
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(res)
+func (s *apiService) getSystemConnections(w http.ResponseWriter, r *http.Request) {
+	sendJSON(w, s.model.ConnectionStats())
 }
 
-func (s *apiSvc) getDeviceStats(w http.ResponseWriter, r *http.Request) {
-	var res = s.model.DeviceStatistics()
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(res)
+func (s *apiService) getDeviceStats(w http.ResponseWriter, r *http.Request) {
+	sendJSON(w, s.model.DeviceStatistics())
 }
 
-func (s *apiSvc) getFolderStats(w http.ResponseWriter, r *http.Request) {
-	var res = s.model.FolderStatistics()
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(res)
+func (s *apiService) getFolderStats(w http.ResponseWriter, r *http.Request) {
+	sendJSON(w, s.model.FolderStatistics())
 }
 
-func (s *apiSvc) getDBFile(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getDBFile(w http.ResponseWriter, r *http.Request) {
 	qs := r.URL.Query()
 	folder := qs.Get("folder")
 	file := qs.Get("file")
@@ -559,26 +541,25 @@ func (s *apiSvc) getDBFile(w http.ResponseWriter, r *http.Request) {
 	lf, _ := s.model.CurrentFolderFile(folder, file)
 
 	av := s.model.Availability(folder, file)
-	json.NewEncoder(w).Encode(map[string]interface{}{
+	sendJSON(w, map[string]interface{}{
 		"global":       jsonFileInfo(gf),
 		"local":        jsonFileInfo(lf),
 		"availability": av,
 	})
 }
 
-func (s *apiSvc) getSystemConfig(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(s.cfg.Raw())
+func (s *apiService) getSystemConfig(w http.ResponseWriter, r *http.Request) {
+	sendJSON(w, s.cfg.Raw())
 }
 
-func (s *apiSvc) postSystemConfig(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postSystemConfig(w http.ResponseWriter, r *http.Request) {
 	s.systemConfigMut.Lock()
 	defer s.systemConfigMut.Unlock()
 
 	to, err := config.ReadJSON(r.Body, myID)
 	if err != nil {
 		l.Warnln("decoding posted config:", err)
-		http.Error(w, err.Error(), 500)
+		http.Error(w, err.Error(), http.StatusBadRequest)
 		return
 	}
 
@@ -587,7 +568,7 @@ func (s *apiSvc) postSystemConfig(w http.ResponseWriter, r *http.Request) {
 			hash, err := bcrypt.GenerateFromPassword([]byte(to.GUI.Password), 0)
 			if err != nil {
 				l.Warnln("bcrypting password:", err)
-				http.Error(w, err.Error(), 500)
+				http.Error(w, err.Error(), http.StatusInternalServerError)
 				return
 			}
 
@@ -614,17 +595,16 @@ func (s *apiSvc) postSystemConfig(w http.ResponseWriter, r *http.Request) {
 	s.cfg.Save()
 }
 
-func (s *apiSvc) getSystemConfigInsync(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(map[string]bool{"configInSync": configInSync})
+func (s *apiService) getSystemConfigInsync(w http.ResponseWriter, r *http.Request) {
+	sendJSON(w, map[string]bool{"configInSync": configInSync})
 }
 
-func (s *apiSvc) postSystemRestart(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postSystemRestart(w http.ResponseWriter, r *http.Request) {
 	s.flushResponse(`{"ok": "restarting"}`, w)
 	go restart()
 }
 
-func (s *apiSvc) postSystemReset(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postSystemReset(w http.ResponseWriter, r *http.Request) {
 	var qs = r.URL.Query()
 	folder := qs.Get("folder")
 
@@ -650,12 +630,12 @@ func (s *apiSvc) postSystemReset(w http.ResponseWriter, r *http.Request) {
 	go restart()
 }
 
-func (s *apiSvc) postSystemShutdown(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postSystemShutdown(w http.ResponseWriter, r *http.Request) {
 	s.flushResponse(`{"ok": "shutting down"}`, w)
 	go shutdown()
 }
 
-func (s *apiSvc) flushResponse(resp string, w http.ResponseWriter) {
+func (s *apiService) flushResponse(resp string, w http.ResponseWriter) {
 	w.Write([]byte(resp + "\n"))
 	f := w.(http.Flusher)
 	f.Flush()
@@ -664,7 +644,7 @@ func (s *apiSvc) flushResponse(resp string, w http.ResponseWriter) {
 var cpuUsagePercent [10]float64 // The last ten seconds
 var cpuUsageLock = sync.NewRWMutex()
 
-func (s *apiSvc) getSystemStatus(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getSystemStatus(w http.ResponseWriter, r *http.Request) {
 	var m runtime.MemStats
 	runtime.ReadMemStats(&m)
 
@@ -688,12 +668,12 @@ func (s *apiSvc) getSystemStatus(w http.ResponseWriter, r *http.Request) {
 		res["discoveryMethods"] = discoMethods
 		res["discoveryErrors"] = discoErrors
 	}
-	if s.relaySvc != nil {
+	if s.relayService != nil {
 		res["relaysEnabled"] = true
 		relayClientStatus := make(map[string]bool)
 		relayClientLatency := make(map[string]int)
-		for _, relay := range s.relaySvc.Relays() {
-			latency, ok := s.relaySvc.RelayStatus(relay)
+		for _, relay := range s.relayService.Relays() {
+			latency, ok := s.relayService.RelayStatus(relay)
 			relayClientStatus[relay] = ok
 			relayClientLatency[relay] = int(latency / time.Millisecond)
 		}
@@ -711,39 +691,35 @@ func (s *apiSvc) getSystemStatus(w http.ResponseWriter, r *http.Request) {
 	res["uptime"] = int(time.Since(startTime).Seconds())
 	res["startTime"] = startTime
 
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(res)
+	sendJSON(w, res)
 }
 
-func (s *apiSvc) getSystemError(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(map[string][]logger.Line{
+func (s *apiService) getSystemError(w http.ResponseWriter, r *http.Request) {
+	sendJSON(w, map[string][]logger.Line{
 		"errors": s.guiErrors.Since(time.Time{}),
 	})
 }
 
-func (s *apiSvc) postSystemError(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postSystemError(w http.ResponseWriter, r *http.Request) {
 	bs, _ := ioutil.ReadAll(r.Body)
 	r.Body.Close()
 	l.Warnln(string(bs))
 }
 
-func (s *apiSvc) postSystemErrorClear(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postSystemErrorClear(w http.ResponseWriter, r *http.Request) {
 	s.guiErrors.Clear()
 }
 
-func (s *apiSvc) getSystemLog(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getSystemLog(w http.ResponseWriter, r *http.Request) {
 	q := r.URL.Query()
 	since, err := time.Parse(time.RFC3339, q.Get("since"))
 	l.Debugln(err)
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-
-	json.NewEncoder(w).Encode(map[string][]logger.Line{
+	sendJSON(w, map[string][]logger.Line{
 		"messages": s.systemLog.Since(since),
 	})
 }
 
-func (s *apiSvc) getSystemLogTxt(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getSystemLogTxt(w http.ResponseWriter, r *http.Request) {
 	q := r.URL.Query()
 	since, err := time.Parse(time.RFC3339, q.Get("since"))
 	l.Debugln(err)
@@ -754,7 +730,7 @@ func (s *apiSvc) getSystemLogTxt(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func (s *apiSvc) getSystemHTTPMetrics(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getSystemHTTPMetrics(w http.ResponseWriter, r *http.Request) {
 	stats := make(map[string]interface{})
 	metrics.Each(func(name string, intf interface{}) {
 		if m, ok := intf.(*metrics.StandardTimer); ok {
@@ -774,8 +750,7 @@ func (s *apiSvc) getSystemHTTPMetrics(w http.ResponseWriter, r *http.Request) {
 	w.Write(bs)
 }
 
-func (s *apiSvc) getSystemDiscovery(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+func (s *apiService) getSystemDiscovery(w http.ResponseWriter, r *http.Request) {
 	devices := make(map[string]discover.CacheEntry)
 
 	if s.discoverer != nil {
@@ -787,17 +762,15 @@ func (s *apiSvc) getSystemDiscovery(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	json.NewEncoder(w).Encode(devices)
+	sendJSON(w, devices)
 }
 
-func (s *apiSvc) getReport(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(reportData(s.cfg, s.model))
+func (s *apiService) getReport(w http.ResponseWriter, r *http.Request) {
+	sendJSON(w, reportData(s.cfg, s.model))
 }
 
-func (s *apiSvc) getDBIgnores(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getDBIgnores(w http.ResponseWriter, r *http.Request) {
 	qs := r.URL.Query()
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
 
 	ignores, patterns, err := s.model.GetIgnores(qs.Get("folder"))
 	if err != nil {
@@ -805,13 +778,13 @@ func (s *apiSvc) getDBIgnores(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	json.NewEncoder(w).Encode(map[string][]string{
+	sendJSON(w, map[string][]string{
 		"ignore":   ignores,
 		"patterns": patterns,
 	})
 }
 
-func (s *apiSvc) postDBIgnores(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postDBIgnores(w http.ResponseWriter, r *http.Request) {
 	qs := r.URL.Query()
 
 	var data map[string][]string
@@ -832,7 +805,7 @@ func (s *apiSvc) postDBIgnores(w http.ResponseWriter, r *http.Request) {
 	s.getDBIgnores(w, r)
 }
 
-func (s *apiSvc) getEvents(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getEvents(w http.ResponseWriter, r *http.Request) {
 	qs := r.URL.Query()
 	sinceStr := qs.Get("since")
 	limitStr := qs.Get("limit")
@@ -841,8 +814,6 @@ func (s *apiSvc) getEvents(w http.ResponseWriter, r *http.Request) {
 
 	s.fss.gotEventRequest()
 
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-
 	// Flush before blocking, to indicate that we've received the request
 	// and that it should not be retried.
 	f := w.(http.Flusher)
@@ -853,10 +824,10 @@ func (s *apiSvc) getEvents(w http.ResponseWriter, r *http.Request) {
 		evs = evs[len(evs)-limit:]
 	}
 
-	json.NewEncoder(w).Encode(evs)
+	sendJSON(w, evs)
 }
 
-func (s *apiSvc) getSystemUpgrade(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getSystemUpgrade(w http.ResponseWriter, r *http.Request) {
 	if noUpgrade {
 		http.Error(w, upgrade.ErrUpgradeUnsupported.Error(), 500)
 		return
@@ -872,38 +843,36 @@ func (s *apiSvc) getSystemUpgrade(w http.ResponseWriter, r *http.Request) {
 	res["newer"] = upgrade.CompareVersions(rel.Tag, Version) == upgrade.Newer
 	res["majorNewer"] = upgrade.CompareVersions(rel.Tag, Version) == upgrade.MajorNewer
 
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(res)
+	sendJSON(w, res)
 }
 
-func (s *apiSvc) getDeviceID(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getDeviceID(w http.ResponseWriter, r *http.Request) {
 	qs := r.URL.Query()
 	idStr := qs.Get("id")
 	id, err := protocol.DeviceIDFromString(idStr)
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+
 	if err == nil {
-		json.NewEncoder(w).Encode(map[string]string{
+		sendJSON(w, map[string]string{
 			"id": id.String(),
 		})
 	} else {
-		json.NewEncoder(w).Encode(map[string]string{
+		sendJSON(w, map[string]string{
 			"error": err.Error(),
 		})
 	}
 }
 
-func (s *apiSvc) getLang(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getLang(w http.ResponseWriter, r *http.Request) {
 	lang := r.Header.Get("Accept-Language")
 	var langs []string
 	for _, l := range strings.Split(lang, ",") {
 		parts := strings.SplitN(l, ";", 2)
 		langs = append(langs, strings.ToLower(strings.TrimSpace(parts[0])))
 	}
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(langs)
+	sendJSON(w, langs)
 }
 
-func (s *apiSvc) postSystemUpgrade(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postSystemUpgrade(w http.ResponseWriter, r *http.Request) {
 	rel, err := upgrade.LatestRelease(s.cfg.Options().ReleasesURL, Version)
 	if err != nil {
 		l.Warnln("getting latest release:", err)
@@ -925,7 +894,7 @@ func (s *apiSvc) postSystemUpgrade(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func (s *apiSvc) postSystemPause(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postSystemPause(w http.ResponseWriter, r *http.Request) {
 	var qs = r.URL.Query()
 	var deviceStr = qs.Get("device")
 
@@ -938,7 +907,7 @@ func (s *apiSvc) postSystemPause(w http.ResponseWriter, r *http.Request) {
 	s.model.PauseDevice(device)
 }
 
-func (s *apiSvc) postSystemResume(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postSystemResume(w http.ResponseWriter, r *http.Request) {
 	var qs = r.URL.Query()
 	var deviceStr = qs.Get("device")
 
@@ -951,7 +920,7 @@ func (s *apiSvc) postSystemResume(w http.ResponseWriter, r *http.Request) {
 	s.model.ResumeDevice(device)
 }
 
-func (s *apiSvc) postDBScan(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postDBScan(w http.ResponseWriter, r *http.Request) {
 	qs := r.URL.Query()
 	folder := qs.Get("folder")
 	if folder != "" {
@@ -971,13 +940,13 @@ func (s *apiSvc) postDBScan(w http.ResponseWriter, r *http.Request) {
 		errors := s.model.ScanFolders()
 		if len(errors) > 0 {
 			http.Error(w, "Error scanning folders", 500)
-			json.NewEncoder(w).Encode(errors)
+			sendJSON(w, errors)
 			return
 		}
 	}
 }
 
-func (s *apiSvc) postDBPrio(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) postDBPrio(w http.ResponseWriter, r *http.Request) {
 	qs := r.URL.Query()
 	folder := qs.Get("folder")
 	file := qs.Get("file")
@@ -985,7 +954,7 @@ func (s *apiSvc) postDBPrio(w http.ResponseWriter, r *http.Request) {
 	s.getDBNeed(w, r)
 }
 
-func (s *apiSvc) getQR(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getQR(w http.ResponseWriter, r *http.Request) {
 	var qs = r.URL.Query()
 	var text = qs.Get("text")
 	code, err := qr.Encode(text, qr.M)
@@ -998,7 +967,7 @@ func (s *apiSvc) getQR(w http.ResponseWriter, r *http.Request) {
 	w.Write(code.PNG())
 }
 
-func (s *apiSvc) getPeerCompletion(w http.ResponseWriter, r *http.Request) {
+func (s *apiService) getPeerCompletion(w http.ResponseWriter, r *http.Request) {
 	tot := map[string]float64{}
 	count := map[string]float64{}
 
@@ -1019,12 +988,10 @@ func (s *apiSvc) getPeerCompletion(w http.ResponseWriter, r *http.Request) {
 		comp[device] = int(tot[device] / count[device])
 	}
 
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
-	json.NewEncoder(w).Encode(comp)
+	sendJSON(w, comp)
 }
 
-func (s *apiSvc) getSystemBrowse(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+func (s *apiService) getSystemBrowse(w http.ResponseWriter, r *http.Request) {
 	qs := r.URL.Query()
 	current := qs.Get("current")
 	search, _ := osutil.ExpandTilde(current)
@@ -1043,7 +1010,8 @@ func (s *apiSvc) getSystemBrowse(w http.ResponseWriter, r *http.Request) {
 			}
 		}
 	}
-	json.NewEncoder(w).Encode(ret)
+
+	sendJSON(w, ret)
 }
 
 type embeddedStatic struct {
@@ -1129,7 +1097,7 @@ func (s embeddedStatic) mimeTypeForFile(file string) string {
 	}
 }
 
-func (s *apiSvc) toNeedSlice(fs []db.FileInfoTruncated) []jsonDBFileInfo {
+func (s *apiService) toNeedSlice(fs []db.FileInfoTruncated) []jsonDBFileInfo {
 	res := make([]jsonDBFileInfo, len(fs))
 	for i, f := range fs {
 		res[i] = jsonDBFileInfo(f)

cmd/syncthing/gui_csrf.go

@@ -17,9 +17,16 @@ import (
 	"github.com/syncthing/syncthing/lib/sync"
 )
 
+// csrfTokens is a list of valid tokens. It is sorted so that the most
+// recently used token is first in the list. New tokens are added to the front
+// of the list (as it is the most recently used at that time). The list is
+// pruned to a maximum of maxCsrfTokens, throwing away the least recently used
+// tokens.
 var csrfTokens []string
 var csrfMut = sync.NewMutex()
 
+const maxCsrfTokens = 25
+
 // Check for CSRF token on /rest/ URLs. If a correct one is not given, reject
 // the request with 403. For / and /index.html, set a new CSRF cookie if none
 // is currently set.
@@ -36,6 +43,7 @@ func csrfMiddleware(unique, prefix, apiKey string, next http.Handler) http.Handl
 		if !strings.HasPrefix(r.URL.Path, prefix) {
 			cookie, err := r.Cookie("CSRF-Token-" + unique)
 			if err != nil || !validCsrfToken(cookie.Value) {
+				httpl.Debugln("new CSRF cookie in response to request for", r.URL)
 				cookie = &http.Cookie{
 					Name:  "CSRF-Token-" + unique,
 					Value: newCsrfToken(),
@@ -47,7 +55,13 @@ func csrfMiddleware(unique, prefix, apiKey string, next http.Handler) http.Handl
 		}
 
 		if r.Method == "GET" {
-			// Allow GET requests unconditionally
+			// Allow GET requests unconditionally, but if we got the CSRF
+			// token cookie do the verification anyway so we keep the
+			// csrfTokens list sorted by recent usage. We don't care about the
+			// outcome of the validity check.
+			if cookie, err := r.Cookie("CSRF-Token-" + unique); err == nil {
+				validCsrfToken(cookie.Value)
+			}
 			next.ServeHTTP(w, r)
 			return
 		}
@@ -66,8 +80,15 @@ func csrfMiddleware(unique, prefix, apiKey string, next http.Handler) http.Handl
 func validCsrfToken(token string) bool {
 	csrfMut.Lock()
 	defer csrfMut.Unlock()
-	for _, t := range csrfTokens {
+	for i, t := range csrfTokens {
 		if t == token {
+			if i > 0 {
+				// Move this token to the head of the list. Copy the tokens at
+				// the front one step to the right and then replace the token
+				// at the head.
+				copy(csrfTokens[1:], csrfTokens[:i+1])
+				csrfTokens[0] = token
+			}
 			return true
 		}
 	}
@@ -78,9 +99,9 @@ func newCsrfToken() string {
 	token := randomString(32)
 
 	csrfMut.Lock()
-	csrfTokens = append(csrfTokens, token)
-	if len(csrfTokens) > 10 {
-		csrfTokens = csrfTokens[len(csrfTokens)-10:]
+	csrfTokens = append([]string{token}, csrfTokens...)
+	if len(csrfTokens) > maxCsrfTokens {
+		csrfTokens = csrfTokens[:maxCsrfTokens]
 	}
 	defer csrfMut.Unlock()
 

cmd/syncthing/gui_test.go

@@ -0,0 +1,42 @@
+// Copyright (C) 2016 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package main
+
+import "testing"
+
+func TestCSRFToken(t *testing.T) {
+	t1 := newCsrfToken()
+	t2 := newCsrfToken()
+
+	t3 := newCsrfToken()
+	if !validCsrfToken(t3) {
+		t.Fatal("t3 should be valid")
+	}
+
+	for i := 0; i < 250; i++ {
+		if i%5 == 0 {
+			// t1 and t2 should remain valid by virtue of us checking them now
+			// and then.
+			if !validCsrfToken(t1) {
+				t.Fatal("t1 should be valid at iteration", i)
+			}
+			if !validCsrfToken(t2) {
+				t.Fatal("t2 should be valid at iteration", i)
+			}
+		}
+
+		// The newly generated token is always valid
+		t4 := newCsrfToken()
+		if !validCsrfToken(t4) {
+			t.Fatal("t4 should be valid at iteration", i)
+		}
+	}
+
+	if validCsrfToken(t3) {
+		t.Fatal("t3 should have expired by now")
+	}
+}

cmd/syncthing/locations.go

@@ -48,7 +48,7 @@ var locations = map[locationEnum]string{
 	locKeyFile:       "${config}/key.pem",
 	locHTTPSCertFile: "${config}/https-cert.pem",
 	locHTTPSKeyFile:  "${config}/https-key.pem",
-	locDatabase:      "${config}/index-v0.11.0.db",
+	locDatabase:      "${config}/index-v0.13.0.db",
 	locLogFile:       "${config}/syncthing.log", // -logfile on Windows
 	locCsrfTokens:    "${config}/csrftokens.txt",
 	locPanicLog:      "${config}/panic-${timestamp}.log",

cmd/syncthing/main.go

@@ -19,6 +19,7 @@ import (
 	_ "net/http/pprof"
 	"net/url"
 	"os"
+	"os/signal"
 	"path/filepath"
 	"regexp"
 	"runtime"
@@ -26,6 +27,7 @@ import (
 	"sort"
 	"strconv"
 	"strings"
+	"syscall"
 	"time"
 
 	"github.com/syncthing/syncthing/lib/config"
@@ -49,7 +51,6 @@ import (
 var (
 	Version     = "unknown-dev"
 	Codename    = "Beryllium Bedbug"
-	BuildEnv    = "default"
 	BuildStamp  = "0"
 	BuildDate   time.Time
 	BuildHost   = "unknown"
@@ -108,20 +109,14 @@ func init() {
 	BuildDate = time.Unix(int64(stamp), 0)
 
 	date := BuildDate.UTC().Format("2006-01-02 15:04:05 MST")
-	LongVersion = fmt.Sprintf(`syncthing %s "%s" (%s %s-%s %s) %s@%s %s`, Version, Codename, runtime.Version(), runtime.GOOS, runtime.GOARCH, BuildEnv, BuildUser, BuildHost, date)
-
-	if os.Getenv("STTRACE") != "" {
-		logFlags = log.Ltime | log.Ldate | log.Lmicroseconds | log.Lshortfile
-	}
+	LongVersion = fmt.Sprintf(`syncthing %s "%s" (%s %s-%s) %s@%s %s`, Version, Codename, runtime.Version(), runtime.GOOS, runtime.GOARCH, BuildUser, BuildHost, date)
 }
 
 var (
-	myID     protocol.DeviceID
-	confDir  string
-	logFlags = log.Ltime
-	stop     = make(chan int)
-	cert     tls.Certificate
-	lans     []*net.IPNet
+	myID protocol.DeviceID
+	stop = make(chan int)
+	cert tls.Certificate
+	lans []*net.IPNet
 )
 
 const (
@@ -151,34 +146,38 @@ Development Settings
 The following environment variables modify syncthing's behavior in ways that
 are mostly useful for developers. Use with care.
 
- STGUIASSETS     Directory to load GUI assets from. Overrides compiled in
-                 assets.
+ STNODEFAULTFOLDER Don't create a default folder when starting for the first
+                   time.  This variable will be ignored anytime after the first
+                   run.
 
- STTRACE         A comma separated string of facilities to trace. The valid
-                 facility strings listed below.
+ STGUIASSETS       Directory to load GUI assets from. Overrides compiled in
+                   assets.
 
- STPROFILER      Set to a listen address such as "127.0.0.1:9090" to start the
-                 profiler with HTTP access.
+ STTRACE           A comma separated string of facilities to trace. The valid
+                   facility strings listed below.
 
- STCPUPROFILE    Write a CPU profile to cpu-$pid.pprof on exit.
+ STPROFILER        Set to a listen address such as "127.0.0.1:9090" to start the
+                   profiler with HTTP access.
 
- STHEAPPROFILE   Write heap profiles to heap-$pid-$timestamp.pprof each time
-                 heap usage increases.
+ STCPUPROFILE      Write a CPU profile to cpu-$pid.pprof on exit.
 
- STBLOCKPROFILE  Write block profiles to block-$pid-$timestamp.pprof every 20
-                 seconds.
+ STHEAPPROFILE     Write heap profiles to heap-$pid-$timestamp.pprof each time
+                   heap usage increases.
 
- STPERFSTATS     Write running performance statistics to perf-$pid.csv. Not
-                 supported on Windows.
+ STBLOCKPROFILE    Write block profiles to block-$pid-$timestamp.pprof every 20
+                   seconds.
 
- STNOUPGRADE     Disable automatic upgrades.
+ STPERFSTATS       Write running performance statistics to perf-$pid.csv. Not
+                   supported on Windows.
 
- GOMAXPROCS      Set the maximum number of CPU cores to use. Defaults to all
-                 available CPU cores.
+ STNOUPGRADE       Disable automatic upgrades.
 
- GOGC            Percentage of heap growth at which to trigger GC. Default is
-                 100. Lower numbers keep peak memory usage down, at the price
-                 of CPU usage (ie. performance).
+ GOMAXPROCS        Set the maximum number of CPU cores to use. Defaults to all
+                   available CPU cores.
+
+ GOGC              Percentage of heap growth at which to trigger GC. Default is
+                   100. Lower numbers keep peak memory usage down, at the price
+                   of CPU usage (ie. performance).
 
 
 Debugging Facilities
@@ -189,170 +188,189 @@ The following are valid values for the STTRACE variable:
 %s`
 )
 
-// Command line and environment options
+// Environment options
 var (
+	noUpgrade       = os.Getenv("STNOUPGRADE") != ""
+	innerProcess    = os.Getenv("STNORESTART") != "" || os.Getenv("STMONITORED") != ""
+	noDefaultFolder = os.Getenv("STNODEFAULTFOLDER") != ""
+)
+
+type RuntimeOptions struct {
+	confDir        string
 	reset          bool
 	showVersion    bool
 	doUpgrade      bool
 	doUpgradeCheck bool
 	upgradeTo      string
 	noBrowser      bool
-	noConsole      bool
+	browserOnly    bool
+	hideConsole    bool
 	logFile        string
 	auditEnabled   bool
 	verbose        bool
 	paused         bool
-	noRestart      = os.Getenv("STNORESTART") != ""
-	noUpgrade      = os.Getenv("STNOUPGRADE") != ""
-	profiler       = os.Getenv("STPROFILER")
-	guiAssets      = os.Getenv("STGUIASSETS")
-	cpuProfile     = os.Getenv("STCPUPROFILE") != ""
-	stRestarting   = os.Getenv("STRESTART") != ""
-	innerProcess   = os.Getenv("STNORESTART") != "" || os.Getenv("STMONITORED") != ""
-)
+	guiAddress     string
+	guiAPIKey      string
+	generateDir    string
+	noRestart      bool
+	profiler       string
+	assetDir       string
+	cpuProfile     bool
+	stRestarting   bool
+	logFlags       int
+}
 
-func main() {
-	if runtime.GOOS == "windows" {
-		// On Windows, we use a log file by default. Setting the -logfile flag
-		// to "-" disables this behavior.
-		flag.StringVar(&logFile, "logfile", "", "Log file name (use \"-\" for stdout)")
-
-		// We also add an option to hide the console window
-		flag.BoolVar(&noConsole, "no-console", false, "Hide console window")
-	} else {
-		flag.StringVar(&logFile, "logfile", "-", "Log file name (use \"-\" for stdout)")
+func defaultRuntimeOptions() RuntimeOptions {
+	options := RuntimeOptions{
+		noRestart:    os.Getenv("STNORESTART") != "",
+		profiler:     os.Getenv("STPROFILER"),
+		assetDir:     os.Getenv("STGUIASSETS"),
+		cpuProfile:   os.Getenv("STCPUPROFILE") != "",
+		stRestarting: os.Getenv("STRESTART") != "",
+		logFlags:     log.Ltime,
 	}
 
-	var guiAddress, guiAPIKey string
-	var generateDir string
-	flag.StringVar(&generateDir, "generate", "", "Generate key and config in specified dir, then exit")
-	flag.StringVar(&guiAddress, "gui-address", guiAddress, "Override GUI address")
-	flag.StringVar(&guiAPIKey, "gui-apikey", guiAPIKey, "Override GUI API key")
-	flag.StringVar(&confDir, "home", "", "Set configuration directory")
-	flag.IntVar(&logFlags, "logflags", logFlags, "Select information in log line prefix")
-	flag.BoolVar(&noBrowser, "no-browser", false, "Do not start browser")
-	flag.BoolVar(&noRestart, "no-restart", noRestart, "Do not restart; just exit")
-	flag.BoolVar(&reset, "reset", false, "Reset the database")
-	flag.BoolVar(&doUpgrade, "upgrade", false, "Perform upgrade")
-	flag.BoolVar(&doUpgradeCheck, "upgrade-check", false, "Check for available upgrade")
-	flag.BoolVar(&showVersion, "version", false, "Show version")
-	flag.StringVar(&upgradeTo, "upgrade-to", upgradeTo, "Force upgrade directly from specified URL")
-	flag.BoolVar(&auditEnabled, "audit", false, "Write events to audit file")
-	flag.BoolVar(&verbose, "verbose", false, "Print verbose log output")
-	flag.BoolVar(&paused, "paused", false, "Start with all devices paused")
+	if os.Getenv("STTRACE") != "" {
+		options.logFlags = log.Ltime | log.Ldate | log.Lmicroseconds | log.Lshortfile
+	}
+
+	if runtime.GOOS != "windows" {
+		// On non-Windows, we explicitly default to "-" which means stdout. On
+		// Windows, the blank options.logFile will later be replaced with the
+		// default path, unless the user has manually specified "-" or
+		// something else.
+		options.logFile = "-"
+	}
+
+	return options
+}
+
+func parseCommandLineOptions() RuntimeOptions {
+	options := defaultRuntimeOptions()
+
+	flag.StringVar(&options.generateDir, "generate", "", "Generate key and config in specified dir, then exit")
+	flag.StringVar(&options.guiAddress, "gui-address", options.guiAddress, "Override GUI address (e.g. \"http://192.0.2.42:8443\")")
+	flag.StringVar(&options.guiAPIKey, "gui-apikey", options.guiAPIKey, "Override GUI API key")
+	flag.StringVar(&options.confDir, "home", "", "Set configuration directory")
+	flag.IntVar(&options.logFlags, "logflags", options.logFlags, "Select information in log line prefix (see below)")
+	flag.BoolVar(&options.noBrowser, "no-browser", false, "Do not start browser")
+	flag.BoolVar(&options.browserOnly, "browser-only", false, "Open GUI in browser")
+	flag.BoolVar(&options.noRestart, "no-restart", options.noRestart, "Do not restart; just exit")
+	flag.BoolVar(&options.reset, "reset", false, "Reset the database")
+	flag.BoolVar(&options.doUpgrade, "upgrade", false, "Perform upgrade")
+	flag.BoolVar(&options.doUpgradeCheck, "upgrade-check", false, "Check for available upgrade")
+	flag.BoolVar(&options.showVersion, "version", false, "Show version")
+	flag.StringVar(&options.upgradeTo, "upgrade-to", options.upgradeTo, "Force upgrade directly from specified URL")
+	flag.BoolVar(&options.auditEnabled, "audit", false, "Write events to audit file")
+	flag.BoolVar(&options.verbose, "verbose", false, "Print verbose log output")
+	flag.BoolVar(&options.paused, "paused", false, "Start with all devices paused")
+	flag.StringVar(&options.logFile, "logfile", options.logFile, "Log file name (use \"-\" for stdout)")
+	if runtime.GOOS == "windows" {
+		// Allow user to hide the console window
+		flag.BoolVar(&options.hideConsole, "no-console", false, "Hide console window")
+	}
 
 	longUsage := fmt.Sprintf(extraUsage, baseDirs["config"], debugFacilities())
 	flag.Usage = usageFor(flag.CommandLine, usage, longUsage)
 	flag.Parse()
 
-	if guiAddress != "" {
+	return options
+}
+
+func main() {
+	options := parseCommandLineOptions()
+	l.SetFlags(options.logFlags)
+
+	if options.guiAddress != "" {
 		// The config picks this up from the environment.
-		os.Setenv("STGUIADDRESS", guiAddress)
+		os.Setenv("STGUIADDRESS", options.guiAddress)
 	}
-	if guiAPIKey != "" {
+	if options.guiAPIKey != "" {
 		// The config picks this up from the environment.
-		os.Setenv("STGUIAPIKEY", guiAPIKey)
+		os.Setenv("STGUIAPIKEY", options.guiAPIKey)
 	}
 
-	if noConsole {
+	if options.hideConsole {
 		osutil.HideConsole()
 	}
 
-	if confDir != "" {
+	if options.confDir != "" {
 		// Not set as default above because the string can be really long.
-		baseDirs["config"] = confDir
+		baseDirs["config"] = options.confDir
 	}
 
 	if err := expandLocations(); err != nil {
 		l.Fatalln(err)
 	}
 
-	if guiAssets == "" {
-		guiAssets = locations[locGUIAssets]
+	if options.logFile == "" {
+		// Blank means use the default logfile location. We must set this
+		// *after* expandLocations above.
+		options.logFile = locations[locLogFile]
 	}
 
-	if logFile == "" {
-		// Use the default log file location
-		logFile = locations[locLogFile]
+	if options.assetDir == "" {
+		// The asset dir is blank if STGUIASSETS wasn't set, in which case we
+		// should look for extra assets in the default place.
+		options.assetDir = locations[locGUIAssets]
 	}
 
-	if showVersion {
+	if options.showVersion {
 		fmt.Println(LongVersion)
 		return
 	}
 
-	l.SetFlags(logFlags)
-
-	if generateDir != "" {
-		generate(generateDir)
+	if options.browserOnly {
+		openGUI()
 		return
 	}
 
-	if info, err := os.Stat(baseDirs["config"]); err == nil && !info.IsDir() {
-		l.Fatalln("Config directory", baseDirs["config"], "is not a directory")
+	if options.generateDir != "" {
+		generate(options.generateDir)
+		return
 	}
 
 	// Ensure that our home directory exists.
 	ensureDir(baseDirs["config"], 0700)
 
-	if upgradeTo != "" {
-		err := upgrade.ToURL(upgradeTo)
+	if options.upgradeTo != "" {
+		err := upgrade.ToURL(options.upgradeTo)
 		if err != nil {
 			l.Fatalln("Upgrade:", err) // exits 1
 		}
-		l.Okln("Upgraded from", upgradeTo)
+		l.Okln("Upgraded from", options.upgradeTo)
 		return
 	}
 
-	if doUpgrade || doUpgradeCheck {
-		releasesURL := "https://api.github.com/repos/syncthing/syncthing/releases?per_page=30"
-		if cfg, _, err := loadConfig(locations[locConfigFile]); err == nil {
-			releasesURL = cfg.Options().ReleasesURL
-		}
-		rel, err := upgrade.LatestRelease(releasesURL, Version)
-		if err != nil {
-			l.Fatalln("Upgrade:", err) // exits 1
-		}
-
-		if upgrade.CompareVersions(rel.Tag, Version) <= 0 {
-			l.Infof("No upgrade available (current %q >= latest %q).", Version, rel.Tag)
-			os.Exit(exitNoUpgradeAvailable)
-		}
-
-		l.Infof("Upgrade available (current %q < latest %q)", Version, rel.Tag)
-
-		if doUpgrade {
-			// Use leveldb database locks to protect against concurrent upgrades
-			_, err = db.Open(locations[locDatabase])
-			if err != nil {
-				l.Infoln("Attempting upgrade through running Syncthing...")
-				err = upgradeViaRest()
-				if err != nil {
-					l.Fatalln("Upgrade:", err)
-				}
-				l.Okln("Syncthing upgrading")
-				return
-			}
-
-			err = upgrade.To(rel)
-			if err != nil {
-				l.Fatalln("Upgrade:", err) // exits 1
-			}
-			l.Okf("Upgraded to %q", rel.Tag)
-		}
-
+	if options.doUpgradeCheck {
+		checkUpgrade()
 		return
 	}
 
-	if reset {
+	if options.doUpgrade {
+		release := checkUpgrade()
+		performUpgrade(release)
+		return
+	}
+
+	if options.reset {
 		resetDB()
 		return
 	}
 
-	if noRestart {
-		syncthingMain()
+	if options.noRestart {
+		syncthingMain(options)
 	} else {
-		monitorMain()
+		monitorMain(options)
+	}
+}
+
+func openGUI() {
+	cfg, _ := loadConfig()
+	if cfg.GUI().Enabled {
+		openURL(cfg.GUI().URL())
+	} else {
+		l.Warnln("Browser: GUI is currently disabled")
 	}
 }
 
@@ -361,17 +379,7 @@ func generate(generateDir string) {
 	if err != nil {
 		l.Fatalln("generate:", err)
 	}
-
-	info, err := os.Stat(dir)
-	if err == nil && !info.IsDir() {
-		l.Fatalln(dir, "is not a directory")
-	}
-	if err != nil && os.IsNotExist(err) {
-		err = osutil.MkdirAll(dir, 0700)
-		if err != nil {
-			l.Fatalln("generate:", err)
-		}
-	}
+	ensureDir(dir, 0700)
 
 	certFile, keyFile := filepath.Join(dir, "cert.pem"), filepath.Join(dir, "key.pem")
 	cert, err := tls.LoadX509KeyPair(certFile, keyFile)
@@ -428,11 +436,46 @@ func debugFacilities() string {
 	return b.String()
 }
 
-func upgradeViaRest() error {
-	cfg, err := config.Load(locations[locConfigFile], protocol.LocalDeviceID)
+func checkUpgrade() upgrade.Release {
+	cfg, _ := loadConfig()
+	releasesURL := cfg.Options().ReleasesURL
+	release, err := upgrade.LatestRelease(releasesURL, Version)
 	if err != nil {
-		return err
+		l.Fatalln("Upgrade:", err)
 	}
+
+	if upgrade.CompareVersions(release.Tag, Version) <= 0 {
+		noUpgradeMessage := "No upgrade available (current %q >= latest %q)."
+		l.Infof(noUpgradeMessage, Version, release.Tag)
+		os.Exit(exitNoUpgradeAvailable)
+	}
+
+	l.Infof("Upgrade available (current %q < latest %q)", Version, release.Tag)
+	return release
+}
+
+func performUpgrade(release upgrade.Release) {
+	// Use leveldb database locks to protect against concurrent upgrades
+	_, err := db.Open(locations[locDatabase])
+	if err == nil {
+		err = upgrade.To(release)
+		if err != nil {
+			l.Fatalln("Upgrade:", err)
+		}
+		l.Okf("Upgraded to %q", release.Tag)
+	} else {
+		l.Infoln("Attempting upgrade through running Syncthing...")
+		err = upgradeViaRest()
+		if err != nil {
+			l.Fatalln("Upgrade:", err)
+		}
+		l.Okln("Syncthing upgrading")
+		os.Exit(exitUpgrading)
+	}
+}
+
+func upgradeViaRest() error {
+	cfg, _ := loadConfig()
 	target := cfg.GUI().URL()
 	r, _ := http.NewRequest("POST", target+"/rest/system/upgrade", nil)
 	r.Header.Set("X-API-Key", cfg.GUI().APIKey())
@@ -462,26 +505,28 @@ func upgradeViaRest() error {
 	return err
 }
 
-func syncthingMain() {
+func syncthingMain(runtimeOptions RuntimeOptions) {
+	setupSignalHandling()
+
 	// Create a main service manager. We'll add things to this as we go along.
 	// We want any logging it does to go through our log system.
-	mainSvc := suture.New("main", suture.Spec{
+	mainService := suture.New("main", suture.Spec{
 		Log: func(line string) {
 			l.Debugln(line)
 		},
 	})
-	mainSvc.ServeBackground()
+	mainService.ServeBackground()
 
 	// Set a log prefix similar to the ID we will have later on, or early log
 	// lines look ugly.
 	l.SetPrefix("[start] ")
 
-	if auditEnabled {
-		startAuditing(mainSvc)
+	if runtimeOptions.auditEnabled {
+		startAuditing(mainService)
 	}
 
-	if verbose {
-		mainSvc.Add(newVerboseSvc())
+	if runtimeOptions.verbose {
+		mainService.Add(newVerboseService())
 	}
 
 	errors := logger.NewRecorder(l, logger.LevelWarn, maxSystemErrors, 0)
@@ -527,44 +572,17 @@ func syncthingMain() {
 		"myID": myID.String(),
 	})
 
-	// Prepare to be able to save configuration
-
-	cfgFile := locations[locConfigFile]
-
-	// Load the configuration file, if it exists.
-	// If it does not, create a template.
-
-	cfg, myName, err := loadConfig(cfgFile)
-	if err != nil {
-		if os.IsNotExist(err) {
-			l.Infoln("No config file; starting with empty defaults")
-			myName, _ = os.Hostname()
-			newCfg := defaultConfig(myName)
-			cfg = config.Wrap(cfgFile, newCfg)
-			cfg.Save()
-			l.Infof("Edit %s to taste or use the GUI\n", cfgFile)
-		} else {
-			l.Fatalln("Loading config:", err)
-		}
-	}
-
-	if cfg.Raw().OriginalVersion != config.CurrentVersion {
-		l.Infoln("Archiving a copy of old config file format")
-		// Archive a copy
-		osutil.Rename(cfgFile, cfgFile+fmt.Sprintf(".v%d", cfg.Raw().OriginalVersion))
-		// Save the new version
-		cfg.Save()
-	}
+	cfg := loadOrCreateConfig()
 
 	if err := checkShortIDs(cfg); err != nil {
-		l.Fatalln("Short device IDs are in conflict. Unlucky!\n  Regenerate the device ID of one if the following:\n  ", err)
+		l.Fatalln("Short device IDs are in conflict. Unlucky!\n  Regenerate the device ID of one of the following:\n  ", err)
 	}
 
-	if len(profiler) > 0 {
+	if len(runtimeOptions.profiler) > 0 {
 		go func() {
-			l.Debugln("Starting profiler on", profiler)
+			l.Debugln("Starting profiler on", runtimeOptions.profiler)
 			runtime.SetBlockProfileRate(1)
-			err := http.ListenAndServe(profiler, nil)
+			err := http.ListenAndServe(runtimeOptions.profiler, nil)
 			if err != nil {
 				l.Fatalln(err)
 			}
@@ -620,6 +638,7 @@ func syncthingMain() {
 
 	dbFile := locations[locDatabase]
 	ldb, err := db.Open(dbFile)
+
 	if err != nil {
 		l.Fatalln("Cannot open database:", err, "- Is another copy of Syncthing already running?")
 	}
@@ -647,7 +666,7 @@ func syncthingMain() {
 		l.Infoln("Compacting database:", err)
 	}
 
-	m := model.NewModel(cfg, myID, myName, "syncthing", Version, ldb, protectedFiles)
+	m := model.NewModel(cfg, myID, myDeviceName(cfg), "syncthing", Version, ldb, protectedFiles)
 	cfg.Subscribe(m)
 
 	if t := os.Getenv("STDEADLOCKTIMEOUT"); len(t) > 0 {
@@ -659,7 +678,7 @@ func syncthingMain() {
 		m.StartDeadlockDetector(20 * time.Minute)
 	}
 
-	if paused {
+	if runtimeOptions.paused {
 		for device := range cfg.Devices() {
 			m.PauseDevice(device)
 		}
@@ -685,7 +704,7 @@ func syncthingMain() {
 		}
 	}
 
-	mainSvc.Add(m)
+	mainService.Add(m)
 
 	// The default port we announce, possibly modified by setupUPnP next.
 
@@ -706,33 +725,33 @@ func syncthingMain() {
 	// Start UPnP
 
 	if opts.UPnPEnabled {
-		upnpSvc := newUPnPSvc(cfg, addr.Port)
-		mainSvc.Add(upnpSvc)
+		upnpService := newUPnPService(cfg, addr.Port)
+		mainService.Add(upnpService)
 
 		// The external address tracker needs to know about the UPnP service
 		// so it can check for an external mapped port.
-		addrList = newAddressLister(upnpSvc, cfg)
+		addrList = newAddressLister(upnpService, cfg)
 	} else {
 		addrList = newAddressLister(nil, cfg)
 	}
 
 	// Start relay management
 
-	var relaySvc *relay.Svc
+	var relayService *relay.Service
 	if opts.RelaysEnabled && (opts.GlobalAnnEnabled || opts.RelayWithoutGlobalAnn) {
-		relaySvc = relay.NewSvc(cfg, tlsCfg)
-		mainSvc.Add(relaySvc)
+		relayService = relay.NewService(cfg, tlsCfg)
+		mainService.Add(relayService)
 	}
 
 	// Start discovery
 
 	cachedDiscovery := discover.NewCachingMux()
-	mainSvc.Add(cachedDiscovery)
+	mainService.Add(cachedDiscovery)
 
 	if cfg.Options().GlobalAnnEnabled {
 		for _, srv := range cfg.GlobalDiscoveryServers() {
 			l.Infoln("Using discovery server", srv)
-			gd, err := discover.NewGlobal(srv, cert, addrList, relaySvc)
+			gd, err := discover.NewGlobal(srv, cert, addrList, relayService)
 			if err != nil {
 				l.Warnln("Global discovery:", err)
 				continue
@@ -747,14 +766,14 @@ func syncthingMain() {
 
 	if cfg.Options().LocalAnnEnabled {
 		// v4 broadcasts
-		bcd, err := discover.NewLocal(myID, fmt.Sprintf(":%d", cfg.Options().LocalAnnPort), addrList, relaySvc)
+		bcd, err := discover.NewLocal(myID, fmt.Sprintf(":%d", cfg.Options().LocalAnnPort), addrList, relayService)
 		if err != nil {
 			l.Warnln("IPv4 local discovery:", err)
 		} else {
 			cachedDiscovery.Add(bcd, 0, 0, ipv4LocalDiscoveryPriority)
 		}
 		// v6 multicasts
-		mcd, err := discover.NewLocal(myID, cfg.Options().LocalAnnMCAddr, addrList, relaySvc)
+		mcd, err := discover.NewLocal(myID, cfg.Options().LocalAnnMCAddr, addrList, relayService)
 		if err != nil {
 			l.Warnln("IPv6 local discovery:", err)
 		} else {
@@ -764,14 +783,14 @@ func syncthingMain() {
 
 	// GUI
 
-	setupGUI(mainSvc, cfg, m, apiSub, cachedDiscovery, relaySvc, errors, systemLog)
+	setupGUI(mainService, cfg, m, apiSub, cachedDiscovery, relayService, errors, systemLog, runtimeOptions)
 
 	// Start connection management
 
-	connectionSvc := connections.NewConnectionSvc(cfg, myID, m, tlsCfg, cachedDiscovery, relaySvc, bepProtocolName, tlsDefaultCommonName, lans)
-	mainSvc.Add(connectionSvc)
+	connectionService := connections.NewConnectionService(cfg, myID, m, tlsCfg, cachedDiscovery, relayService, bepProtocolName, tlsDefaultCommonName, lans)
+	mainService.Add(connectionService)
 
-	if cpuProfile {
+	if runtimeOptions.cpuProfile {
 		f, err := os.Create(fmt.Sprintf("cpu-%d.pprof", os.Getpid()))
 		if err != nil {
 			log.Fatal(err)
@@ -829,17 +848,48 @@ func syncthingMain() {
 
 	code := <-stop
 
-	mainSvc.Stop()
+	mainService.Stop()
 
 	l.Okln("Exiting")
 
-	if cpuProfile {
+	if runtimeOptions.cpuProfile {
 		pprof.StopCPUProfile()
 	}
 
 	os.Exit(code)
 }
 
+func myDeviceName(cfg *config.Wrapper) string {
+	devices := cfg.Devices()
+	myName := devices[myID].Name
+	if myName == "" {
+		myName, _ = os.Hostname()
+	}
+	return myName
+}
+
+func setupSignalHandling() {
+	// Exit cleanly with "restarting" code on SIGHUP.
+
+	restartSign := make(chan os.Signal, 1)
+	sigHup := syscall.Signal(1)
+	signal.Notify(restartSign, sigHup)
+	go func() {
+		<-restartSign
+		stop <- exitRestarting
+	}()
+
+	// Exit with "success" code (no restart) on INT/TERM
+
+	stopSign := make(chan os.Signal, 1)
+	sigTerm := syscall.Signal(15)
+	signal.Notify(stopSign, os.Interrupt, sigTerm)
+	go func() {
+		<-stopSign
+		stop <- exitSuccess
+	}()
+}
+
 // printHashRate prints the hashing performance in MB/s, formatting it with
 // appropriate precision for the value, i.e. 182 MB/s, 18 MB/s, 1.8 MB/s, 0.18
 // MB/s.
@@ -856,47 +906,71 @@ func printHashRate() {
 	l.Infof("Single thread hash performance is ~%.*f MB/s", decimals, hashRate)
 }
 
-func loadConfig(cfgFile string) (*config.Wrapper, string, error) {
-	info, err := os.Stat(cfgFile)
-	if err != nil {
-		return nil, "", err
-	}
-	if !info.Mode().IsRegular() {
-		return nil, "", errors.New("configuration is not a file")
-	}
-
+func loadConfig() (*config.Wrapper, error) {
+	cfgFile := locations[locConfigFile]
 	cfg, err := config.Load(cfgFile, myID)
+
 	if err != nil {
-		return nil, "", err
+		l.Infoln("Error loading config file; using defaults for now")
+		myName, _ := os.Hostname()
+		newCfg := defaultConfig(myName)
+		cfg = config.Wrap(cfgFile, newCfg)
 	}
 
-	myCfg := cfg.Devices()[myID]
-	myName := myCfg.Name
-	if myName == "" {
-		myName, _ = os.Hostname()
-	}
-
-	return cfg, myName, nil
+	return cfg, err
 }
 
-func startAuditing(mainSvc *suture.Supervisor) {
+func loadOrCreateConfig() *config.Wrapper {
+	cfg, err := loadConfig()
+	if os.IsNotExist(err) {
+		cfg.Save()
+		l.Infof("Defaults saved. Edit %s to taste or use the GUI\n", cfg.ConfigPath())
+	} else if err != nil {
+		l.Fatalln("Config:", err)
+	}
+
+	if cfg.Raw().OriginalVersion != config.CurrentVersion {
+		err = archiveAndSaveConfig(cfg)
+		if err != nil {
+			l.Fatalln("Config archive:", err)
+		}
+	}
+
+	return cfg
+}
+
+func archiveAndSaveConfig(cfg *config.Wrapper) error {
+	// To prevent previous config from being cleaned up, quickly touch it too
+	now := time.Now()
+	_ = os.Chtimes(cfg.ConfigPath(), now, now) // May return error on Android etc; no worries
+
+	archivePath := cfg.ConfigPath() + fmt.Sprintf(".v%d", cfg.Raw().OriginalVersion)
+	l.Infoln("Archiving a copy of old config file format at:", archivePath)
+	if err := osutil.Rename(cfg.ConfigPath(), archivePath); err != nil {
+		return err
+	}
+
+	return cfg.Save()
+}
+
+func startAuditing(mainService *suture.Supervisor) {
 	auditFile := timestampedLoc(locAuditLog)
 	fd, err := os.OpenFile(auditFile, os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0600)
 	if err != nil {
 		l.Fatalln("Audit:", err)
 	}
 
-	auditSvc := newAuditSvc(fd)
-	mainSvc.Add(auditSvc)
+	auditService := newAuditService(fd)
+	mainService.Add(auditService)
 
 	// We wait for the audit service to fully start before we return, to
 	// ensure we capture all events from the start.
-	auditSvc.WaitForStart()
+	auditService.WaitForStart()
 
 	l.Infoln("Audit log in", auditFile)
 }
 
-func setupGUI(mainSvc *suture.Supervisor, cfg *config.Wrapper, m *model.Model, apiSub *events.BufferedSubscription, discoverer *discover.CachingMux, relaySvc *relay.Svc, errors, systemLog *logger.Recorder) {
+func setupGUI(mainService *suture.Supervisor, cfg *config.Wrapper, m *model.Model, apiSub *events.BufferedSubscription, discoverer *discover.CachingMux, relayService *relay.Service, errors, systemLog *logger.Recorder, runtimeOptions RuntimeOptions) {
 	guiCfg := cfg.GUI()
 
 	if !guiCfg.Enabled {
@@ -907,14 +981,14 @@ func setupGUI(mainSvc *suture.Supervisor, cfg *config.Wrapper, m *model.Model, a
 		l.Warnln("Insecure admin access is enabled.")
 	}
 
-	api, err := newAPISvc(myID, cfg, guiAssets, m, apiSub, discoverer, relaySvc, errors, systemLog)
+	api, err := newAPIService(myID, cfg, runtimeOptions.assetDir, m, apiSub, discoverer, relayService, errors, systemLog)
 	if err != nil {
 		l.Fatalln("Cannot start GUI:", err)
 	}
 	cfg.Subscribe(api)
-	mainSvc.Add(api)
+	mainService.Add(api)
 
-	if cfg.Options().StartBrowser && !noBrowser && !stRestarting {
+	if cfg.Options().StartBrowser && !runtimeOptions.noBrowser && !runtimeOptions.stRestarting {
 		// Can potentially block if the utility we are invoking doesn't
 		// fork, and just execs, hence keep it in it's own routine.
 		go openURL(guiCfg.URL())
@@ -922,18 +996,28 @@ func setupGUI(mainSvc *suture.Supervisor, cfg *config.Wrapper, m *model.Model, a
 }
 
 func defaultConfig(myName string) config.Configuration {
-	defaultFolder := config.NewFolderConfiguration("default", locations[locDefFolder])
-	defaultFolder.RescanIntervalS = 60
-	defaultFolder.MinDiskFreePct = 1
-	defaultFolder.Devices = []config.FolderDeviceConfiguration{{DeviceID: myID}}
-	defaultFolder.AutoNormalize = true
-	defaultFolder.MaxConflicts = -1
+	var defaultFolder config.FolderConfiguration
+
+	if !noDefaultFolder {
+		l.Infoln("Default folder created and/or linked to new config")
+
+		defaultFolder = config.NewFolderConfiguration("default", locations[locDefFolder])
+		defaultFolder.RescanIntervalS = 60
+		defaultFolder.MinDiskFreePct = 1
+		defaultFolder.Devices = []config.FolderDeviceConfiguration{{DeviceID: myID}}
+		defaultFolder.AutoNormalize = true
+		defaultFolder.MaxConflicts = -1
+	} else {
+		l.Infoln("We will skip creation of a default folder on first start since the proper envvar is set")
+	}
 
 	thisDevice := config.NewDeviceConfiguration(myID, myName)
 	thisDevice.Addresses = []string{"dynamic"}
 
 	newCfg := config.New(myID)
-	newCfg.Folders = []config.FolderConfiguration{defaultFolder}
+	if !noDefaultFolder {
+		newCfg.Folders = []config.FolderConfiguration{defaultFolder}
+	}
 	newCfg.Devices = []config.DeviceConfiguration{thisDevice}
 
 	port, err := getFreePort("127.0.0.1", 8384)
@@ -971,18 +1055,23 @@ func shutdown() {
 	stop <- exitSuccess
 }
 
-func ensureDir(dir string, mode int) {
-	fi, err := os.Stat(dir)
-	if os.IsNotExist(err) {
-		err := osutil.MkdirAll(dir, 0700)
-		if err != nil {
-			l.Fatalln(err)
-		}
-	} else if mode >= 0 && err == nil && int(fi.Mode()&0777) != mode {
-		err := os.Chmod(dir, os.FileMode(mode))
-		// This can fail on crappy filesystems, nothing we can do about it.
-		if err != nil {
-			l.Warnln(err)
+func ensureDir(dir string, mode os.FileMode) {
+	err := osutil.MkdirAll(dir, mode)
+	if err != nil {
+		l.Fatalln(err)
+	}
+
+	if fi, err := os.Stat(dir); err == nil {
+		// Apprently the stat may fail even though the mkdirall passed. If it
+		// does, we'll just assume things are in order and let other things
+		// fail (like loading or creating the config...).
+		currentMode := fi.Mode() & 0777
+		if currentMode != mode {
+			err := os.Chmod(dir, mode)
+			// This can fail on crappy filesystems, nothing we can do about it.
+			if err != nil {
+				l.Warnln(err)
+			}
 		}
 	}
 }
@@ -1080,12 +1169,13 @@ func autoUpgrade(cfg *config.Wrapper) {
 // suitable time after they have gone out of fashion.
 func cleanConfigDirectory() {
 	patterns := map[string]time.Duration{
-		"panic-*.log":    7 * 24 * time.Hour,  // keep panic logs for a week
-		"audit-*.log":    7 * 24 * time.Hour,  // keep audit logs for a week
-		"index":          14 * 24 * time.Hour, // keep old index format for two weeks
-		"config.xml.v*":  30 * 24 * time.Hour, // old config versions for a month
-		"*.idx.gz":       30 * 24 * time.Hour, // these should for sure no longer exist
-		"backup-of-v0.8": 30 * 24 * time.Hour, // these neither
+		"panic-*.log":      7 * 24 * time.Hour,  // keep panic logs for a week
+		"audit-*.log":      7 * 24 * time.Hour,  // keep audit logs for a week
+		"index":            14 * 24 * time.Hour, // keep old index format for two weeks
+		"index*.converted": 14 * 24 * time.Hour, // keep old converted indexes for two weeks
+		"config.xml.v*":    30 * 24 * time.Hour, // old config versions for a month
+		"*.idx.gz":         30 * 24 * time.Hour, // these should for sure no longer exist
+		"backup-of-v0.8":   30 * 24 * time.Hour, // these neither
 	}
 
 	for pat, dur := range patterns {

cmd/syncthing/monitor.go

@@ -34,13 +34,14 @@ const (
 	logFileMaxOpenTime    = time.Minute
 )
 
-func monitorMain() {
+func monitorMain(runtimeOptions RuntimeOptions) {
 	os.Setenv("STNORESTART", "yes")
 	os.Setenv("STMONITORED", "yes")
 	l.SetPrefix("[monitor] ")
 
 	var dst io.Writer = os.Stdout
 
+	logFile := runtimeOptions.logFile
 	if logFile != "-" {
 		var fileDst io.Writer = newAutoclosedFile(logFile, logFileAutoCloseDelay, logFileMaxOpenTime)
 
@@ -62,9 +63,12 @@ func monitorMain() {
 	args := os.Args
 	var restarts [countRestarts]time.Time
 
-	sign := make(chan os.Signal, 1)
-	sigTerm := syscall.Signal(0xf)
-	signal.Notify(sign, os.Interrupt, sigTerm, os.Kill)
+	stopSign := make(chan os.Signal, 1)
+	sigTerm := syscall.Signal(15)
+	signal.Notify(stopSign, os.Interrupt, sigTerm)
+	restartSign := make(chan os.Signal, 1)
+	sigHup := syscall.Signal(1)
+	signal.Notify(restartSign, sigHup)
 
 	for {
 		if t := time.Since(restarts[0]); t < loopThreshold {
@@ -124,12 +128,17 @@ func monitorMain() {
 		}()
 
 		select {
-		case s := <-sign:
+		case s := <-stopSign:
 			l.Infof("Signal %d received; exiting", s)
 			cmd.Process.Kill()
 			<-exit
 			return
 
+		case s := <-restartSign:
+			l.Infof("Signal %d received; restarting", s)
+			cmd.Process.Signal(sigHup)
+			err = <-exit
+
 		case err = <-exit:
 			if err == nil {
 				// Successful exit indicates an intentional shutdown

cmd/syncthing/summaryservice.go

@@ -16,9 +16,9 @@ import (
 	"github.com/thejerf/suture"
 )
 
-// The folderSummarySvc adds summary information events (FolderSummary and
+// The folderSummaryService adds summary information events (FolderSummary and
 // FolderCompletion) into the event stream at certain intervals.
-type folderSummarySvc struct {
+type folderSummaryService struct {
 	*suture.Supervisor
 
 	cfg       *config.Wrapper
@@ -35,9 +35,9 @@ type folderSummarySvc struct {
 	lastEventReqMut sync.Mutex
 }
 
-func newFolderSummarySvc(cfg *config.Wrapper, m *model.Model) *folderSummarySvc {
-	svc := &folderSummarySvc{
-		Supervisor:      suture.NewSimple("folderSummarySvc"),
+func newFolderSummaryService(cfg *config.Wrapper, m *model.Model) *folderSummaryService {
+	service := &folderSummaryService{
+		Supervisor:      suture.NewSimple("folderSummaryService"),
 		cfg:             cfg,
 		model:           m,
 		stop:            make(chan struct{}),
@@ -47,20 +47,20 @@ func newFolderSummarySvc(cfg *config.Wrapper, m *model.Model) *folderSummarySvc
 		lastEventReqMut: sync.NewMutex(),
 	}
 
-	svc.Add(serviceFunc(svc.listenForUpdates))
-	svc.Add(serviceFunc(svc.calculateSummaries))
+	service.Add(serviceFunc(service.listenForUpdates))
+	service.Add(serviceFunc(service.calculateSummaries))
 
-	return svc
+	return service
 }
 
-func (c *folderSummarySvc) Stop() {
+func (c *folderSummaryService) Stop() {
 	c.Supervisor.Stop()
 	close(c.stop)
 }
 
 // listenForUpdates subscribes to the event bus and makes note of folders that
 // need their data recalculated.
-func (c *folderSummarySvc) listenForUpdates() {
+func (c *folderSummaryService) listenForUpdates() {
 	sub := events.Default.Subscribe(events.LocalIndexUpdated | events.RemoteIndexUpdated | events.StateChanged)
 	defer events.Default.Unsubscribe(sub)
 
@@ -110,7 +110,7 @@ func (c *folderSummarySvc) listenForUpdates() {
 
 // calculateSummaries periodically recalculates folder summaries and
 // completion percentage, and sends the results on the event bus.
-func (c *folderSummarySvc) calculateSummaries() {
+func (c *folderSummaryService) calculateSummaries() {
 	const pumpInterval = 2 * time.Second
 	pump := time.NewTimer(pumpInterval)
 
@@ -139,7 +139,7 @@ func (c *folderSummarySvc) calculateSummaries() {
 
 // foldersToHandle returns the list of folders needing a summary update, and
 // clears the list.
-func (c *folderSummarySvc) foldersToHandle() []string {
+func (c *folderSummaryService) foldersToHandle() []string {
 	// We only recalculate summaries if someone is listening to events
 	// (a request to /rest/events has been made within the last
 	// pingEventInterval).
@@ -162,7 +162,7 @@ func (c *folderSummarySvc) foldersToHandle() []string {
 }
 
 // sendSummary send the summary events for a single folder
-func (c *folderSummarySvc) sendSummary(folder string) {
+func (c *folderSummaryService) sendSummary(folder string) {
 	// The folder summary contains how many bytes, files etc
 	// are in the folder and how in sync we are.
 	data := folderSummary(c.cfg, c.model, folder)
@@ -192,7 +192,7 @@ func (c *folderSummarySvc) sendSummary(folder string) {
 	}
 }
 
-func (c *folderSummarySvc) gotEventRequest() {
+func (c *folderSummaryService) gotEventRequest() {
 	c.lastEventReqMut.Lock()
 	c.lastEventReq = time.Now()
 	c.lastEventReqMut.Unlock()

cmd/syncthing/upnpservice.go

@@ -18,7 +18,7 @@ import (
 
 // The UPnP service runs a loop for discovery of IGDs (Internet Gateway
 // Devices) and setup/renewal of a port mapping.
-type upnpSvc struct {
+type upnpService struct {
 	cfg        *config.Wrapper
 	localPort  int
 	extPort    int
@@ -26,15 +26,15 @@ type upnpSvc struct {
 	stop       chan struct{}
 }
 
-func newUPnPSvc(cfg *config.Wrapper, localPort int) *upnpSvc {
-	return &upnpSvc{
+func newUPnPService(cfg *config.Wrapper, localPort int) *upnpService {
+	return &upnpService{
 		cfg:        cfg,
 		localPort:  localPort,
 		extPortMut: sync.NewMutex(),
 	}
 }
 
-func (s *upnpSvc) Serve() {
+func (s *upnpService) Serve() {
 	foundIGD := true
 	s.stop = make(chan struct{})
 
@@ -72,18 +72,18 @@ func (s *upnpSvc) Serve() {
 	}
 }
 
-func (s *upnpSvc) Stop() {
+func (s *upnpService) Stop() {
 	close(s.stop)
 }
 
-func (s *upnpSvc) ExternalPort() int {
+func (s *upnpService) ExternalPort() int {
 	s.extPortMut.Lock()
 	port := s.extPort
 	s.extPortMut.Unlock()
 	return port
 }
 
-func (s *upnpSvc) tryIGDs(igds []upnp.IGD, prevExtPort int) int {
+func (s *upnpService) tryIGDs(igds []upnp.IGD, prevExtPort int) int {
 	// Lets try all the IGDs we found and use the first one that works.
 	// TODO: Use all of them, and sort out the resulting mess to the
 	// discovery announcement code...
@@ -105,7 +105,7 @@ func (s *upnpSvc) tryIGDs(igds []upnp.IGD, prevExtPort int) int {
 	return 0
 }
 
-func (s *upnpSvc) tryIGD(igd upnp.IGD, suggestedPort int) (int, error) {
+func (s *upnpService) tryIGD(igd upnp.IGD, suggestedPort int) (int, error) {
 	var err error
 	leaseTime := s.cfg.Options().UPnPLeaseM * 60
 

cmd/syncthing/usage_report.go

@@ -13,7 +13,6 @@ import (
 	"crypto/tls"
 	"encoding/json"
 	"fmt"
-	"net"
 	"net/http"
 	"runtime"
 	"sort"
@@ -61,9 +60,9 @@ func (m *usageReportingManager) VerifyConfiguration(from, to config.Configuratio
 func (m *usageReportingManager) CommitConfiguration(from, to config.Configuration) bool {
 	if to.Options.URAccepted >= usageReportVersion && m.sup == nil {
 		// Usage reporting was turned on; lets start it.
-		svc := newUsageReportingService(m.cfg, m.model)
+		service := newUsageReportingService(m.cfg, m.model)
 		m.sup = suture.NewSimple("usageReporting")
-		m.sup.Add(svc)
+		m.sup.Add(service)
 		m.sup.ServeBackground()
 	} else if to.Options.URAccepted < usageReportVersion && m.sup != nil {
 		// Usage reporting was turned off
@@ -79,7 +78,7 @@ func (m *usageReportingManager) String() string {
 }
 
 // reportData returns the data to be sent in a usage report. It's used in
-// various places, so not part of the usageReportingSvc object.
+// various places, so not part of the usageReportingManager object.
 func reportData(cfg *config.Wrapper, m *model.Model) map[string]interface{} {
 	res := make(map[string]interface{})
 	res["urVersion"] = usageReportVersion
@@ -184,8 +183,6 @@ func reportData(cfg *config.Wrapper, m *model.Model) map[string]interface{} {
 	for _, addr := range cfg.Options().GlobalAnnServers {
 		if addr == "default" || addr == "default-v4" || addr == "default-v6" {
 			defaultAnnounceServersDNS++
-		} else if stringIn(addr, config.DefaultDiscoveryServersIP) {
-			defaultAnnounceServersIP++
 		} else {
 			otherAnnounceServers++
 		}
@@ -221,15 +218,6 @@ func reportData(cfg *config.Wrapper, m *model.Model) map[string]interface{} {
 	return res
 }
 
-func stringIn(needle string, haystack []string) bool {
-	for _, s := range haystack {
-		if needle == s {
-			return true
-		}
-	}
-	return false
-}
-
 type usageReportingService struct {
 	cfg   *config.Wrapper
 	model *model.Model
@@ -249,19 +237,14 @@ func (s *usageReportingService) sendUsageReport() error {
 	var b bytes.Buffer
 	json.NewEncoder(&b).Encode(d)
 
-	transp := &http.Transport{}
-	client := &http.Client{Transport: transp}
-	if BuildEnv == "android" {
-		// This works around the lack of DNS resolution on Android... :(
-		transp.Dial = func(network, addr string) (net.Conn, error) {
-			return dialer.Dial(network, "194.126.249.13:443")
-		}
-	}
-
-	if s.cfg.Options().URPostInsecurely {
-		transp.TLSClientConfig = &tls.Config{
-			InsecureSkipVerify: true,
-		}
+	client := &http.Client{
+		Transport: &http.Transport{
+			Dial:  dialer.Dial,
+			Proxy: http.ProxyFromEnvironment,
+			TLSClientConfig: &tls.Config{
+				InsecureSkipVerify: s.cfg.Options().URPostInsecurely,
+			},
+		},
 	}
 	_, err := client.Post(s.cfg.Options().URURL, "application/json", &b)
 	return err

cmd/syncthing/verboseservice.go

@@ -15,25 +15,31 @@ import (
 
 // The verbose logging service subscribes to events and prints these in
 // verbose format to the console using INFO level.
-type verboseSvc struct {
+type verboseService struct {
 	stop    chan struct{} // signals time to stop
 	started chan struct{} // signals startup complete
 }
 
-func newVerboseSvc() *verboseSvc {
-	return &verboseSvc{
+func newVerboseService() *verboseService {
+	return &verboseService{
 		stop:    make(chan struct{}),
 		started: make(chan struct{}),
 	}
 }
 
 // Serve runs the verbose logging service.
-func (s *verboseSvc) Serve() {
+func (s *verboseService) Serve() {
 	sub := events.Default.Subscribe(events.AllEvents)
 	defer events.Default.Unsubscribe(sub)
 
-	// We're ready to start processing events.
-	close(s.started)
+	select {
+	case <-s.started:
+		// The started channel has already been closed; do nothing.
+	default:
+		// This is the first time around. Indicate that we're ready to start
+		// processing events.
+		close(s.started)
+	}
 
 	for {
 		select {
@@ -49,17 +55,17 @@ func (s *verboseSvc) Serve() {
 }
 
 // Stop stops the verbose logging service.
-func (s *verboseSvc) Stop() {
+func (s *verboseService) Stop() {
 	close(s.stop)
 }
 
 // WaitForStart returns once the verbose logging service is ready to receive
 // events, or immediately if it's already running.
-func (s *verboseSvc) WaitForStart() {
+func (s *verboseService) WaitForStart() {
 	<-s.started
 }
 
-func (s *verboseSvc) formatEvent(ev events.Event) string {
+func (s *verboseService) formatEvent(ev events.Event) string {
 	switch ev.Type {
 	case events.Ping, events.DownloadProgress, events.LocalIndexUpdated:
 		// Skip
@@ -96,7 +102,7 @@ func (s *verboseSvc) formatEvent(ev events.Event) string {
 		return fmt.Sprintf("Rejected unshared folder %q from device %v", data["folder"], data["device"])
 
 	case events.ItemStarted:
-		data := ev.Data.(map[string]interface{})
+		data := ev.Data.(map[string]string)
 		return fmt.Sprintf("Started syncing %q / %q (%v %v)", data["folder"], data["item"], data["action"], data["type"])
 	case events.ItemFinished:
 		data := ev.Data.(map[string]interface{})

etc/linux-systemd/system/syncthing@.service

@@ -6,10 +6,9 @@ Wants=syncthing-inotify@.service
 
 [Service]
 User=%i
-Environment=STNORESTART=yes
-ExecStart=/usr/bin/syncthing -no-browser -logflags=0
+ExecStart=/usr/bin/syncthing -no-browser -no-restart -logflags=0
 Restart=on-failure
-SuccessExitStatus=2 3 4
+SuccessExitStatus=3 4
 RestartForceExitStatus=3 4
 
 [Install]

etc/linux-systemd/user/syncthing.service

@@ -5,10 +5,9 @@ After=network.target
 Wants=syncthing-inotify.service
 
 [Service]
-Environment=STNORESTART=yes
-ExecStart=/usr/bin/syncthing -no-browser -logflags=0
+ExecStart=/usr/bin/syncthing -no-browser -no-restart -logflags=0
 Restart=on-failure
-SuccessExitStatus=2 3 4
+SuccessExitStatus=3 4
 RestartForceExitStatus=3 4
 
 [Install]

gui/assets/css/overrides.css

@@ -245,7 +245,7 @@ ul.three-columns li, ul.two-columns li {
 
 /** Footer nav on small devices **/
 
-@media (max-width: 991px) {
+@media (max-width: 1199px) {
     body {
         padding-bottom: 0;
     }

gui/assets/lang/lang-bg.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "Устройство с това ID е вече добавено.",
     "A negative number of days doesn't make sense.": "Няма логика в задаването на отрицателен брой дни.",
     "A new major version may not be compatible with previous versions.": "Нова основна версия, която може да не е съвмеситима с предишни версии.",
     "API Key": "API Ключ",
@@ -151,6 +152,7 @@
     "Shared With": "Споделена с",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Идентификаторът на папката трябва да бъде еднакъв на всички устройства.",
     "Show ID": "Покажи идентификатора",
+    "Show QR": "Покажи QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Покажи вместо идентификатор на устройството в статус на клъстъра. Ще бъде предлагано на други комютри като име по подразбиране.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Покажи вместо идентификатор на устройството в статус на клъстъра. Ще бъде обновено с името по подразбиране изпратено от другия компютър.",
     "Shutdown": "Спри програмата",

gui/assets/lang/lang-ca.json

@@ -1,5 +1,6 @@
 {
-    "A negative number of days doesn't make sense.": "A negative number of days doesn't make sense.",
+    "A device with that ID is already added.": "A device with that ID is already added.",
+    "A negative number of days doesn't make sense.": "Un nombre negatiu de dies no té sentit.",
     "A new major version may not be compatible with previous versions.": "Una nova versió major pot ser incompatible amb versions anteriors.",
     "API Key": "Clau API",
     "About": "Sobre",
@@ -10,8 +11,8 @@
     "Add new folder?": "Afegir nova carpeta?",
     "Address": "Adreça",
     "Addresses": "Adreces",
-    "Advanced": "Advanced",
-    "Advanced Configuration": "Advanced Configuration",
+    "Advanced": "Avançat",
+    "Advanced Configuration": "Configuració Avançada",
     "All Data": "Totes les dades",
     "Allow Anonymous Usage Reporting?": "Permetre l'enviament anònim d'informes d'ús?",
     "Alphabetic": "Alfabètic",
@@ -19,11 +20,11 @@
     "Anonymous Usage Reporting": "Informe anònim d'ús",
     "Any devices configured on an introducer device will be added to this device as well.": "Qualsevol dispositiu configurat en un dispositiu introductor també s'afegirà a aquest dispositiu.",
     "Automatic upgrades": "Actualitzacions automàtiques",
-    "Be careful!": "Be careful!",
+    "Be careful!": "Ves amb compte!",
     "Bugs": "Bugs",
     "CPU Utilization": "Utilització del CPU",
     "Changelog": "Historial de canvis",
-    "Clean out after": "Clean out after",
+    "Clean out after": "Netejar després",
     "Close": "Tancar",
     "Command": "Comando",
     "Comment, when used at the start of a line": "Comentari quan és usat al principi d'una línia",
@@ -32,16 +33,16 @@
     "Copied from elsewhere": "Copiat d'un altre lloc",
     "Copied from original": "Copiat de l'original",
     "Copyright © 2015 the following Contributors:": "Copyright © 2015 els següents col·laboradors:",
-    "Danger!": "Danger!",
+    "Danger!": "Perill!",
     "Delete": "Esborrar",
-    "Deleted": "Deleted",
+    "Deleted": "Esborrat",
     "Device ID": "ID del dispositiu",
     "Device Identification": "Identificació del dispositiu",
     "Device Name": "Nom del dispositiu",
     "Device {%device%} ({%address%}) wants to connect. Add new device?": "El dispositiu {{device}} ({{address}}) vol conectar-se. Afegir nou dispositiu?",
     "Devices": "Dispositius",
     "Disconnected": "Desconnectat",
-    "Discovery": "Discovery",
+    "Discovery": "Descobriment",
     "Documentation": "Documentació",
     "Download Rate": "Tasca de descarrega",
     "Downloaded": "Descarregat",
@@ -51,18 +52,18 @@
     "Edit Folder": "Modificar carpeta",
     "Editing": "Modificant",
     "Enable UPnP": "Habilitat UPnP",
-    "Enter comma separated  (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.": "Enter comma separated  (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.",
+    "Enter comma separated  (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.": "Introdueix adreces separades per comes (\"tcp://ip:port\", \"tcp://host:port\") o \"dinàmic\" per realitzar descobriments automàtics de l'adreça.",
     "Enter ignore patterns, one per line.": "Introduex patrons a ignorar, un per línia.",
     "Error": "Error",
     "External File Versioning": "Versionat de fitxers extern",
-    "Failed Items": "Failed Items",
+    "Failed Items": "Elements fallats",
     "File Pull Order": "Ordre d'agafar fitxers",
     "File Versioning": "Versionat de Fitxers",
     "File permission bits are ignored when looking for changes. Use on FAT file systems.": "Els bits de permisos dels fitxers son ignorats quan es cerquen canvis. Utilitzar en sistemes de fitxers FAT.",
-    "Files are moved to .stversions folder when replaced or deleted by Syncthing.": "Files are moved to .stversions folder when replaced or deleted by Syncthing.",
+    "Files are moved to .stversions folder when replaced or deleted by Syncthing.": "Els fitxers són moguts a la carpeta .stversions quan són reemplaçats o esborrats per Syncthing.",
     "Files are moved to date stamped versions in a .stversions folder when replaced or deleted by Syncthing.": "Els fitxers es mouen amb l'estampat de la data a la carpeta .stversions quan son substituïts o esborrats per syncthing.",
     "Files are protected from changes made on other devices, but changes made on this device will be sent to the rest of the cluster.": "Els fitxers estan protegits de canvis fets per altres dispositius, però els canvis fets en aquest dispositiu seran enviats a la resta del cluster.",
-    "Folder": "Folder",
+    "Folder": "Carpeta",
     "Folder ID": "ID de carpeta",
     "Folder Master": "Carpeta mestre",
     "Folder Path": "Camí de carpeta",
@@ -76,12 +77,12 @@
     "Global Discovery Server": "Servidor de Descobriment Global",
     "Global State": "Estat global",
     "Help": "Ajuda",
-    "Home page": "Home page",
+    "Home page": "Pàgina d'inici",
     "Ignore": "Ignorar",
     "Ignore Patterns": "Patrons d'ignoració",
     "Ignore Permissions": "Ignora Permisos",
     "Incoming Rate Limit (KiB/s)": "Tasca Límit d'Entrada (KiB/s)",
-    "Incorrect configuration may damage your folder contents and render Syncthing inoperable.": "Incorrect configuration may damage your folder contents and render Syncthing inoperable.",
+    "Incorrect configuration may damage your folder contents and render Syncthing inoperable.": "Una configuració incorrecta pot malmetre els continguts de la teva carpeta i que Syncthing esdevingui inoperatiu.",
     "Introducer": "Introductor",
     "Inversion of the given condition (i.e. do not exclude)": "Inversió del patrò introduït",
     "Keep Versions": "Mantenir Versions",
@@ -91,11 +92,11 @@
     "Later": "Després",
     "Local Discovery": "Descobriment Local",
     "Local State": "Estat local",
-    "Local State (Total)": "Local State (Total)",
+    "Local State (Total)": "Estat local (Total)",
     "Major Upgrade": "Actualització major",
     "Maximum Age": "Antiguitat Màxima",
     "Metadata Only": "Només metadades",
-    "Minimum Free Disk Space": "Minimum Free Disk Space",
+    "Minimum Free Disk Space": "Espai de disc lliure mínim",
     "Move to top of queue": "Moure al primer de la cua",
     "Multi level wildcard (matches multiple directory levels)": "Caràcter comodí de nivell múltiple (aparella en carpetes de nivells múltiples)",
     "Never": "Mai",
@@ -108,37 +109,37 @@
     "OK": "OK",
     "Off": "Desactivar",
     "Oldest First": "Més antic primer",
-    "Options": "Options",
-    "Out of Sync": "Out of Sync",
+    "Options": "Opcions",
+    "Out of Sync": "Fora de sincronia",
     "Out of Sync Items": "Arxius encara no sincronitzats",
     "Outgoing Rate Limit (KiB/s)": "Tasca Límit de Sortida (KiB/s)",
     "Override Changes": "Sobreescriure Canvis",
     "Path to the folder on the local computer. Will be created if it does not exist. The tilde character (~) can be used as a shortcut for": "Ruta de la carpeta a l'equip local. Si no existeix serà creada. El caràcter (~) es pot fer servir com a drecera de",
     "Path where versions should be stored (leave empty for the default .stversions folder in the folder).": "Ruta on les versions s'haurien de guardar (deixa-ho buit per fer servir el directori .stversions per defecte a la carpeta)",
-    "Pause": "Pause",
-    "Paused": "Paused",
+    "Pause": "Pausa",
+    "Paused": "Pausat",
     "Please consult the release notes before performing a major upgrade.": "Si us plau consulta les notes de llançament abans de realitzar una actualització major.",
-    "Please set a GUI Authentication User and Password in the Settings dialog.": "Please set a GUI Authentication User and Password in the Settings dialog.",
+    "Please set a GUI Authentication User and Password in the Settings dialog.": "Si us plau, estableix un usuari i contrasenya al GUI a través del quadre de diàleg de configuració.",
     "Please wait": "Si-us-plau espera",
     "Preview": "Vista prèvia",
     "Preview Usage Report": "Vista Prèvia de l'Informe d'Ús",
     "Quick guide to supported patterns": "Guia ràpida per als possibles patrons",
     "RAM Utilization": "Utilització de la RAM",
     "Random": "Aleatori",
-    "Relayed via": "Relayed via",
-    "Relays": "Relays",
+    "Relayed via": "Retransmés a través",
+    "Relays": "Repetidors",
     "Release Notes": "Notes de llançament",
-    "Remove": "Remove",
+    "Remove": "Esborrar",
     "Rescan": "Re-escanejar",
     "Rescan All": "Re-escanejar tot",
     "Rescan Interval": "Interval de re-escaneig",
     "Restart": "Reiniciar",
     "Restart Needed": "És Necessari Reiniciar",
     "Restarting": "Reiniciant",
-    "Resume": "Resume",
+    "Resume": "Reprendre",
     "Reused": "Reutilitzat",
     "Save": "Guardar",
-    "Scan Time Remaining": "Scan Time Remaining",
+    "Scan Time Remaining": "Temps d'escanejat restant",
     "Scanning": "Escanejant",
     "Select the devices to share this folder with.": "Selecciona els dispositius en els quals compartir aquesta carpeta.",
     "Select the folders to share with this device.": "Selecciona la carpeta per a compartir en aquest dispositiu.",
@@ -151,6 +152,7 @@
     "Shared With": "Compartir Amb",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Breva identificació per a la carpeta. Té que ser la mateixa per tots els dispositius del cluster.",
     "Show ID": "Mostrar ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Mostrat en comptes del ID del Node en l'estat del cluster. Serà advertit als altres dispositius com un nom opcional per defecte.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Mostrat en comptes del ID del Node en l'estat del cluster. S'actualitzarà al nom del dispositiu si es deixa buit.",
     "Shutdown": "Apagar",
@@ -161,7 +163,7 @@
     "Source Code": "Codi Font",
     "Staggered File Versioning": "Versionat de Fitxers Esglaonat",
     "Start Browser": "Arrancar Navegador",
-    "Statistics": "Statistics",
+    "Statistics": "Estadístiques",
     "Stopped": "Aturat",
     "Support": "Suport",
     "Sync Protocol Listen Addresses": "Adreça d'escolta del Protocol Sync",
@@ -172,7 +174,7 @@
     "Syncthing is upgrading.": "Actualitzant syncthing.",
     "Syncthing seems to be down, or there is a problem with your Internet connection. Retrying…": "Synthing sembla parat, o hi ha algun problema amb la connexió a Internet. Reintentant...",
     "Syncthing seems to be experiencing a problem processing your request. Please refresh the page or restart Syncthing if the problem persists.": "Sembla ser que Syncthing està tinguent problemes per processar la teva petició. Si us plau, refresca la pàgina o reinicia Syncthing si el problema persisteix.",
-    "The Syncthing admin interface is configured to allow remote access without a password.": "The Syncthing admin interface is configured to allow remote access without a password.",
+    "The Syncthing admin interface is configured to allow remote access without a password.": "La interfície d'administració de Syncthing està configurada per permetre l'accés remot sense contrasenya.",
     "The aggregated statistics are publicly available at {%url%}.": "Les estadístiques agregades estan públicament disponibles a {{url}}.",
     "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "La configuració s'ha guardar però no s'ha activat. S'ha de reiniciar el synthing per activar la nova configuració.",
     "The device ID cannot be blank.": "El ID del dispositiu no pot estar en blanc.",
@@ -185,26 +187,26 @@
     "The folder ID must be unique.": "El ID de la carpeta ha de ser únic.",
     "The folder path cannot be blank.": "El camí a la carpeta no pot estar en blanc.",
     "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "Es fan servir els següents intervals: per la primera hora es manté una versió cada 30 segons, pel primer dia es manté una versió cada hora, pel primer cada 30 dies es manté una versió cada dia, fins el màxim d'antiguitat es manté una versió cada setmana.",
-    "The following items could not be synchronized.": "The following items could not be synchronized.",
+    "The following items could not be synchronized.": "Els següents elements no es poden sincronitzar.",
     "The maximum age must be a number and cannot be blank.": "La màxima antiguitat ha de ser un número i no pot estar en blanc.",
     "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "Temps màxim en mantenir una versió (en dies, si es deixa en 0 es mantenen les versions per sempre).",
-    "The minimum free disk space percentage must be a non-negative number between 0 and 100 (inclusive).": "The minimum free disk space percentage must be a non-negative number between 0 and 100 (inclusive).",
-    "The number of days must be a number and cannot be blank.": "The number of days must be a number and cannot be blank.",
-    "The number of days to keep files in the trash can. Zero means forever.": "The number of days to keep files in the trash can. Zero means forever.",
+    "The minimum free disk space percentage must be a non-negative number between 0 and 100 (inclusive).": "El percentatge d'espai de disc lliure mínim ha de ser un nombre positiu entre 0 i 100 (inclosos).",
+    "The number of days must be a number and cannot be blank.": "El nombre de dies ha de ser un número i no pot estar en blanc.",
+    "The number of days to keep files in the trash can. Zero means forever.": "El nombre de dies per guardar els fitxers a la paperera. Zero significa per sempre.",
     "The number of old versions to keep, per file.": "El nombre de versions antigues que es mantenen per fitxer.",
     "The number of versions must be a number and cannot be blank.": "El nombre de versions ha de ser un número i no es pot deixar en blanc.",
     "The path cannot be blank.": "El camí no pot estar en blanc.",
-    "The rate limit must be a non-negative number (0: no limit)": "The rate limit must be a non-negative number (0: no limit)",
+    "The rate limit must be a non-negative number (0: no limit)": "El límit de velocitat ha de ser un nombre positiu (0: sense límit)",
     "The rescan interval must be a non-negative number of seconds.": "El interval de re-escaneig ha der ser un nombre positiu de segons.",
-    "They are retried automatically and will be synced when the error is resolved.": "They are retried automatically and will be synced when the error is resolved.",
-    "This can easily give hackers access to read and change any files on your computer.": "This can easily give hackers access to read and change any files on your computer.",
+    "They are retried automatically and will be synced when the error is resolved.": "Són reintentats automàticament i seran sincronitzats quan l'error estigui resolt.",
+    "This can easily give hackers access to read and change any files on your computer.": "Això pot donar facilment accés a hackers per llegir i canviar qualsevol fitxer del teu ordinador.",
     "This is a major version upgrade.": "Aquesta és una actualització de versió major.",
-    "Trash Can File Versioning": "Trash Can File Versioning",
+    "Trash Can File Versioning": "Paperera de versionat de fitxers",
     "Unknown": "Desconegut",
     "Unshared": "No compartit",
     "Unused": "No usat",
     "Up to Date": "Actualitzat",
-    "Updated": "Updated",
+    "Updated": "Actualitzat",
     "Upgrade": "Actualització",
     "Upgrade To {%version%}": "Actualitzar a {{version}}",
     "Upgrading": "Actualitzant",
@@ -218,7 +220,7 @@
     "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "Quan s'afegeix una nova carpeta recorda que el ID d'aquesta s'utilitza per lligar repositoris entre els dispositius. Es distingeix entre majúscules i minúscules i ha de ser exactament iguals entre tots els dispositius.",
     "Yes": "Si",
     "You must keep at least one version.": "Has de mantenir com a mínim una versió.",
-    "days": "days",
+    "days": "dies",
     "full documentation": "documentació sencera",
     "items": "Elements",
     "{%device%} wants to share folder \"{%folder%}\".": "{{device}} vol compartir la carpeta \"{{folder}}\"."

gui/assets/lang/lang-ca@valencia.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "Un nombre negatiu de dies no té sentit.",
     "A new major version may not be compatible with previous versions.": "Una nova versión amb canvis importants pot no ser compatible amb versions prèvies.",
     "API Key": "Clau API",
@@ -10,8 +11,8 @@
     "Add new folder?": "Afegir nova carpeta?",
     "Address": "Direcció",
     "Addresses": "Direccions",
-    "Advanced": "Advanced",
-    "Advanced Configuration": "Advanced Configuration",
+    "Advanced": "Avançat",
+    "Advanced Configuration": "Configuració avançada",
     "All Data": "Totes les dades",
     "Allow Anonymous Usage Reporting?": "Permetre informes d'ús anònim?",
     "Alphabetic": "Alfabètic",
@@ -19,7 +20,7 @@
     "Anonymous Usage Reporting": "Informe d'ús anònim",
     "Any devices configured on an introducer device will be added to this device as well.": "Tots els dispositius configurats en un dispositiu presentador seràn afegits també a aquest dispositiu.",
     "Automatic upgrades": "Actualitzacions automàtiques",
-    "Be careful!": "Be careful!",
+    "Be careful!": "Tin precaució!",
     "Bugs": "Errors (Bugs)",
     "CPU Utilization": "Utilització de la CPU",
     "Changelog": "Registre de canvis",
@@ -32,7 +33,7 @@
     "Copied from elsewhere": "Copiat de qualsevol lloc",
     "Copied from original": "Copiat de l'original",
     "Copyright © 2015 the following Contributors:": "Copyright © 2015 els següents Col·laboradors:",
-    "Danger!": "Danger!",
+    "Danger!": "Perill!",
     "Delete": "Esborrar",
     "Deleted": "Esborrat",
     "Device ID": "ID del dispositiu",
@@ -41,7 +42,7 @@
     "Device {%device%} ({%address%}) wants to connect. Add new device?": "El dispositiu {{device}} ({{address}}) vol connectar-se. Afegir nou dispositiu?",
     "Devices": "Dispositius",
     "Disconnected": "Desconnectat",
-    "Discovery": "Discovery",
+    "Discovery": "Descobriment",
     "Documentation": "Documentació",
     "Download Rate": "Velocitat de descàrrega",
     "Downloaded": "Descarregat",
@@ -51,23 +52,23 @@
     "Edit Folder": "Editar carpeta",
     "Editing": "Editant",
     "Enable UPnP": "Activar UPnp",
-    "Enter comma separated  (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.": "Enter comma separated  (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.",
+    "Enter comma separated  (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.": "Introdueix adreces separades per coma (\"tcp://ip:port\", \"tcp://host:port\") o \"dynamic\" per a realitzar el descobriment automàtic de l'adreça.",
     "Enter ignore patterns, one per line.": "Introduïr patrons a ignorar, un per línia.",
     "Error": "Error",
     "External File Versioning": "Versionat extern de fitxers",
-    "Failed Items": "Failed Items",
+    "Failed Items": "Objectes fallits",
     "File Pull Order": "Ordre de fitxers del pull",
     "File Versioning": "Versionat de fitxer",
     "File permission bits are ignored when looking for changes. Use on FAT file systems.": "Els bits de permís del fitxer són ignorats quant es busquen els canvis. Utilitzar en sistemes de fitxers FAT.",
     "Files are moved to .stversions folder when replaced or deleted by Syncthing.": "Els arxius es menejen a la carpeta .stversions quant són substituïts o esborrats per Syncthing.",
     "Files are moved to date stamped versions in a .stversions folder when replaced or deleted by Syncthing.": "Els fitxers són canviats a versions amb indicació de data en una carpeta \".stversions\" quant són reemplaçats o esborrats per Syncthing.",
     "Files are protected from changes made on other devices, but changes made on this device will be sent to the rest of the cluster.": "Els fitxers són protegits dels canvis fets en altres dispositius, però els canvis fets en aquest dispositiu seràn enviats a la resta del grup (cluster).",
-    "Folder": "Folder",
+    "Folder": "Carpeta",
     "Folder ID": "ID de carpeta",
     "Folder Master": "Carpeta principal",
     "Folder Path": "Ruta de la carpeta",
     "Folders": "Carpetes",
-    "GUI": "GUI",
+    "GUI": "IGU (Interfície Gràfica d'Usuari)",
     "GUI Authentication Password": "Password d'autenticació de l'Interfície Gràfica d'Usuari (GUI)",
     "GUI Authentication User": "Autenticació de l'usuari de l'Interfície Gràfica d'Usuari (GUI)",
     "GUI Listen Addresses": "Direcció d'escolta de l'Interfície Gràfica d'Usuari (GUI)",
@@ -76,12 +77,12 @@
     "Global Discovery Server": "Servidor de descobriment global",
     "Global State": "Estat global",
     "Help": "Ajuda",
-    "Home page": "Home page",
+    "Home page": "Pàgina inicial",
     "Ignore": "Ignorar",
     "Ignore Patterns": "Patrons a ignorar",
     "Ignore Permissions": "Permisos a ignorar",
     "Incoming Rate Limit (KiB/s)": "Límit de descàrrega (KiB/s)",
-    "Incorrect configuration may damage your folder contents and render Syncthing inoperable.": "Incorrect configuration may damage your folder contents and render Syncthing inoperable.",
+    "Incorrect configuration may damage your folder contents and render Syncthing inoperable.": "La configuración incorrecta pot danyar el contingut de la teua carpeta i deixar Syncthing inoperatiu.",
     "Introducer": "Presentador",
     "Inversion of the given condition (i.e. do not exclude)": "Inversió de la condició donada (per exemple no excloure)",
     "Keep Versions": "Mantindre versions",
@@ -95,7 +96,7 @@
     "Major Upgrade": "Actualització important",
     "Maximum Age": "Edat màxima",
     "Metadata Only": "Sols metadades",
-    "Minimum Free Disk Space": "Minimum Free Disk Space",
+    "Minimum Free Disk Space": "Espai minim de disc lliure",
     "Move to top of queue": "Moure al principi de la cua",
     "Multi level wildcard (matches multiple directory levels)": "Comodí multinivell (coincideix amb múltiples nivells de directoris)",
     "Never": "Mai",
@@ -108,37 +109,37 @@
     "OK": "OK",
     "Off": "Off",
     "Oldest First": "El més vell primer",
-    "Options": "Options",
-    "Out of Sync": "Out of Sync",
+    "Options": "Opcions",
+    "Out of Sync": "Sense sincronització",
     "Out of Sync Items": "Dispositius sense sincronitzar",
     "Outgoing Rate Limit (KiB/s)": "Límit de pujada (KiB/s)",
     "Override Changes": "Sobreescriure els canvis",
     "Path to the folder on the local computer. Will be created if it does not exist. The tilde character (~) can be used as a shortcut for": "Ruta a la carpeta local en l'ordinador. Es crearà si no existeix. El caràcter tilde (~) es pot utilitzar com a drecera",
     "Path where versions should be stored (leave empty for the default .stversions folder in the folder).": "Ruta on les versions deurien estar emmagatzemades (deixar buit per a la carpeta .stversions en la carpeta).",
-    "Pause": "Pause",
-    "Paused": "Paused",
+    "Pause": "Pausa",
+    "Paused": "Pausat",
     "Please consult the release notes before performing a major upgrade.": "Per favor, consultar les notes de la versió abans de fer una actualització important.",
-    "Please set a GUI Authentication User and Password in the Settings dialog.": "Please set a GUI Authentication User and Password in the Settings dialog.",
+    "Please set a GUI Authentication User and Password in the Settings dialog.": "Per favor, estableix un usuari i password per a l'Interfície Gràfica d'Usuari en el menú d'Adjustos.",
     "Please wait": "Per favor, espere",
     "Preview": "Vista prèvia",
     "Preview Usage Report": "Informe d'ús de vista prèvia",
     "Quick guide to supported patterns": "Guía ràpida de patrons suportats",
     "RAM Utilization": "Utilització de la RAM",
     "Random": "Aleatori",
-    "Relayed via": "Relayed via",
-    "Relays": "Relays",
+    "Relayed via": "Transmitit via",
+    "Relays": "Transmissions",
     "Release Notes": "Notes de la versió",
-    "Remove": "Remove",
+    "Remove": "Eliminar",
     "Rescan": "Tornar a buscar",
     "Rescan All": "Tornar a buscar tot",
     "Rescan Interval": "Interval de nova busca",
     "Restart": "Reiniciar",
     "Restart Needed": "Reinici necesari",
     "Restarting": "Reiniciant",
-    "Resume": "Resume",
+    "Resume": "Continuar",
     "Reused": "Reutilitzat",
     "Save": "Gravar",
-    "Scan Time Remaining": "Scan Time Remaining",
+    "Scan Time Remaining": "Temps d'escaneig restant",
     "Scanning": "Rastrejant",
     "Select the devices to share this folder with.": "Selecciona els dispositius amb els que compartir aquesta carpeta.",
     "Select the folders to share with this device.": "Selecciona les carpetes per a compartir amb aquest dispositiu.",
@@ -151,6 +152,7 @@
     "Shared With": "Compartit amb",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Identificador curt per a la carpeta. Deu ser el mateix en tots els dispositius del grup (cluster).",
     "Show ID": "Mostrar ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Mostrat en lloc de l'ID del dispositiu en l'estat del grup (cluster). S'anunciarà als altres dispositius com el nom opcional per defecte.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Mostrat en lloc de l'ID del dispositiu en l'estat del grup (cluster). S'actualitzarà al nom que el dispositiu anuncia si es deixa buit.",
     "Shutdown": "Apagar",
@@ -161,7 +163,7 @@
     "Source Code": "Codi font",
     "Staggered File Versioning": "Versionat de fitxers escalonat",
     "Start Browser": "Iniciar navegador",
-    "Statistics": "Statistics",
+    "Statistics": "Estadístiques",
     "Stopped": "Parat",
     "Support": "Suport",
     "Sync Protocol Listen Addresses": "Direccions d'escolta del protocol de sincronització",
@@ -172,7 +174,7 @@
     "Syncthing is upgrading.": "Syncthing està actualitzant-se.",
     "Syncthing seems to be down, or there is a problem with your Internet connection. Retrying…": "Syncthing pareix apagat o hi ha un problema amb la connexió a Internet. Tornant a intentar...",
     "Syncthing seems to be experiencing a problem processing your request. Please refresh the page or restart Syncthing if the problem persists.": "Syncthing pareix que té un problema processant la seua sol·licitud. Per favor, refresque la pàgina o reinicie Syncthing si el problema persistix.",
-    "The Syncthing admin interface is configured to allow remote access without a password.": "The Syncthing admin interface is configured to allow remote access without a password.",
+    "The Syncthing admin interface is configured to allow remote access without a password.": "L'interfície d'administració de Syncthing està configurat per a permetre l'accés remot sense una contrasenya.",
     "The aggregated statistics are publicly available at {%url%}.": "Les estadístiques agregades estan disponibles públicament en {{url}}.",
     "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "La configuració ha sigut gravada però no activada. Syncthing deu reiniciar per tal d'activar la nova configuració.",
     "The device ID cannot be blank.": "L'ID del dispositiu no pot estar buida.",
@@ -185,19 +187,19 @@
     "The folder ID must be unique.": "L'ID de la carpeta deu ser única.",
     "The folder path cannot be blank.": "La ruta de la carpeta no pot estar buida.",
     "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "S'utilitzen els següents intervals: per a la primera hora es guarda una versió cada 30 segons, per al primer dia es guarda una versió cada hora, per als primers 30 dies es guarda una versió diaria, fins l'edat màxima es guarda una versió cada setmana.",
-    "The following items could not be synchronized.": "The following items could not be synchronized.",
+    "The following items could not be synchronized.": "Els següents objectes no s'han pogut sincronitzar.",
     "The maximum age must be a number and cannot be blank.": "L'edat màxima deu ser un nombre i no pot estar buida.",
     "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "El temps màxim per a guardar una versió (en dies, ficar 0 per a guardar les versions per a sempre).",
-    "The minimum free disk space percentage must be a non-negative number between 0 and 100 (inclusive).": "The minimum free disk space percentage must be a non-negative number between 0 and 100 (inclusive).",
+    "The minimum free disk space percentage must be a non-negative number between 0 and 100 (inclusive).": "El porcentatge d'espai mínim lliure en el disc deu ser un nombre no negatiu entre 0 i 100 (ambdós inclosos).",
     "The number of days must be a number and cannot be blank.": "El nombre de dies deu ser un nombre i no pot estar en blanc.",
     "The number of days to keep files in the trash can. Zero means forever.": "El nombre de dies per a mantindre els arxius a la paperera. Cero vol dir \"per a sempre\".",
     "The number of old versions to keep, per file.": "El nombre de versions antigues per a guardar, per cada fitxer.",
     "The number of versions must be a number and cannot be blank.": "El nombre de versions deu ser un nombre i no pot estar buit.",
     "The path cannot be blank.": "La ruta no pot estar buida.",
-    "The rate limit must be a non-negative number (0: no limit)": "The rate limit must be a non-negative number (0: no limit)",
+    "The rate limit must be a non-negative number (0: no limit)": "El llímit del ritme deu ser un nombre no negatiu (0: sense llímit)",
     "The rescan interval must be a non-negative number of seconds.": "L'interval de reescaneig deu ser un nombre positiu de segons.",
-    "They are retried automatically and will be synced when the error is resolved.": "They are retried automatically and will be synced when the error is resolved.",
-    "This can easily give hackers access to read and change any files on your computer.": "This can easily give hackers access to read and change any files on your computer.",
+    "They are retried automatically and will be synced when the error is resolved.": "Es reintenta automàticament i es sincronitzaràn quant el resolga l'error.",
+    "This can easily give hackers access to read and change any files on your computer.": "Açò pot donar accés fàcilment als hackers per a llegir i canviar qualsevol fitxer al teu ordinador.",
     "This is a major version upgrade.": "Aquesta és una actualització important de la versió.",
     "Trash Can File Versioning": "Versionat d'arxius de la paperera",
     "Unknown": "Desconegut",
@@ -218,7 +220,7 @@
     "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "Quant s'afig una nova carpeta, hi ha que tindre en compte que l'ID de la carpeta s'utilitza per a juntar les carpetes entre dispositius. Són sensibles a les majúscules i deuen coincidir exactament entre tots els dispositius.",
     "Yes": "Sí",
     "You must keep at least one version.": "Es deu mantindre al menys una versió.",
-    "days": "days",
+    "days": "dies",
     "full documentation": "Documentació completa",
     "items": "Elements",
     "{%device%} wants to share folder \"{%folder%}\".": "{{device}} vol compartit la carpeta \"{{folder}}\"."

gui/assets/lang/lang-cs.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "Přístroj s tímto ID je již přídán.",
     "A negative number of days doesn't make sense.": "Záporný počet dní nedává smysl.",
     "A new major version may not be compatible with previous versions.": "Nová důležitá verze nemusí být kompatibilní s předchozími verzemi.",
     "API Key": "API klíč",
@@ -151,6 +152,7 @@
     "Shared With": "Sdíleno s",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Krátký identifikátor tohoto adresáře. Musí být stejný na všech přístrojích v clusteru.",
     "Show ID": "Zobrazit ID",
+    "Show QR": "Zobrazit QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Zobrazeno místo ID přístroje na náhledu stavu clusteru. Bude odesíláno ostatním přístrojům jako výchozí jméno přístroje.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Zobrazeno místo ID přístroje na náhledu stavu clusteru. Pokud nebude vyplněno, bude nastaveno na jméno, které přístroj odesílá.",
     "Shutdown": "Vypnout",

gui/assets/lang/lang-da.json

@@ -0,0 +1,227 @@
+{
+    "A device with that ID is already added.": "A device with that ID is already added.",
+    "A negative number of days doesn't make sense.": "Et negativt antal dage giver ikke mening.",
+    "A new major version may not be compatible with previous versions.": "En ny versionsudgivelse er måske ikke kompatibel med tidligere versioner.",
+    "API Key": "API-nøgle",
+    "About": "Om",
+    "Actions": "Handlinger.",
+    "Add": "Tilføj",
+    "Add Device": "Tilføj enhed",
+    "Add Folder": "Tilføj mappe",
+    "Add new folder?": "Tilføj ny mappe",
+    "Address": "Adresse",
+    "Addresses": "Adresser",
+    "Advanced": "Avanceret",
+    "Advanced Configuration": "Avanceret konfiguration",
+    "All Data": "Alt data",
+    "Allow Anonymous Usage Reporting?": "Tillad anonym brugerstatistik?",
+    "Alphabetic": "Alfabetisk",
+    "An external command handles the versioning. It has to remove the file from the synced folder.": " ",
+    "Anonymous Usage Reporting": "Anonym brugerstatistik",
+    "Any devices configured on an introducer device will be added to this device as well.": "Alle enheder som er konfigueret som en introducerende enhed, vil også blive tilføjet til denne enhed.",
+    "Automatic upgrades": "Automatisk opdatering",
+    "Be careful!": "Vær forsigtig!",
+    "Bugs": "Fejl",
+    "CPU Utilization": "CPU-forbrug",
+    "Changelog": "Udgivelsesnoter",
+    "Clean out after": "Rens efter",
+    "Close": "Luk",
+    "Command": "Kommando",
+    "Comment, when used at the start of a line": "Kommentering som bruges i starten af en linje",
+    "Compression": "Anvend komprimering",
+    "Connection Error": "Tilslutnings fejl",
+    "Copied from elsewhere": "Kopieret fra et andet sted",
+    "Copied from original": "Kopieret fra originalen",
+    "Copyright © 2015 the following Contributors:": "Copyright © 2015 alle bidragsydere:",
+    "Danger!": "Fare!",
+    "Delete": "Slet",
+    "Deleted": "Slettet",
+    "Device ID": "Enheds-ID",
+    "Device Identification": "Enhedsidentifikation",
+    "Device Name": "Enhedsnavn",
+    "Device {%device%} ({%address%}) wants to connect. Add new device?": "Enheden {{device}} ({{address}}) ønsker at forbinde. Tilføj denne enhed?",
+    "Devices": "Enheder",
+    "Disconnected": "Ikke tilsluttet",
+    "Discovery": "Opslag",
+    "Documentation": "Dokumentation",
+    "Download Rate": "Downloadhastighed",
+    "Downloaded": "Downloadet",
+    "Downloading": "Downloader",
+    "Edit": "Rediger",
+    "Edit Device": "Rediger enhed",
+    "Edit Folder": "Rediger mappe",
+    "Editing": "Redigerer",
+    "Enable UPnP": "Anvend UPnP",
+    "Enter comma separated  (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.": "Angiv kommaseparerede adresser (\"tcp://ip:port\", \"tcp://host:port\") eller \"dynamic\" for at benytte automatisk opdagelse af adressen.",
+    "Enter ignore patterns, one per line.": "Vælg ignorer maske, én per linje.",
+    "Error": "Fejl",
+    "External File Versioning": "Ekstern fil-versionskontrol",
+    "Failed Items": "Mislykkede filer",
+    "File Pull Order": "Filhentnings rækkefølge",
+    "File Versioning": "Filversionering",
+    "File permission bits are ignored when looking for changes. Use on FAT file systems.": "Filtilladelses bits ignoreres når der søges efter ændringer. Bruges på FAT filsystemer.  ",
+    "Files are moved to .stversions folder when replaced or deleted by Syncthing.": "Filer flyttes til .stversions mappen når de erstattes eller slettes af Syncthing.",
+    "Files are moved to date stamped versions in a .stversions folder when replaced or deleted by Syncthing.": "Filer flyttes til data-stemplede versioner i en .stversions mappe når de erstattes eller slettes af Syncthing.",
+    "Files are protected from changes made on other devices, but changes made on this device will be sent to the rest of the cluster.": "Filer er beskyttet fra ændringer foretaget på andre enheder, men ændringerne på denne enhed vil blive sendt til alle andre tilknyttede enheder.",
+    "Folder": "Mappe",
+    "Folder ID": "Mappe-ID",
+    "Folder Master": "Mastermappe",
+    "Folder Path": "Mappesti",
+    "Folders": "Mapper",
+    "GUI": "GUI",
+    "GUI Authentication Password": "GUI-kodeord",
+    "GUI Authentication User": "GUI-brugernavn",
+    "GUI Listen Addresses": "GUI-lytteadresse",
+    "Generate": "Opret",
+    "Global Discovery": "Globalt opslag",
+    "Global Discovery Server": "Global opslagsserver",
+    "Global State": "Global tilstand",
+    "Help": "Hjælp",
+    "Home page": "Hjem",
+    "Ignore": "Ignorer",
+    "Ignore Patterns": "Ignoreringsmaske",
+    "Ignore Permissions": "Ignorér filrettigheder",
+    "Incoming Rate Limit (KiB/s)": "Indgående hastighedsbegrænsning (KiB/s)",
+    "Incorrect configuration may damage your folder contents and render Syncthing inoperable.": "Ukorrekt opsætning kan skade dine data og gøre Syncthing ude af stand til at fungere.",
+    "Introducer": "Introducerende enhed",
+    "Inversion of the given condition (i.e. do not exclude)": "Det omvendte (dvs. undlad ikke)",
+    "Keep Versions": "Behold versioner",
+    "Largest First": "Største først",
+    "Last File Received": "Sidste modtaget fil",
+    "Last seen": "Sidst set",
+    "Later": "Senere",
+    "Local Discovery": "Lokal opslag",
+    "Local State": "Lokal tilstand",
+    "Local State (Total)": "Lokal tilstand (total)",
+    "Major Upgrade": "Ny version",
+    "Maximum Age": "Maks alder",
+    "Metadata Only": "Kun metadata",
+    "Minimum Free Disk Space": "Mindst ledig diskplads",
+    "Move to top of queue": "Flyt til toppen af køen",
+    "Multi level wildcard (matches multiple directory levels)": "Flerniveau wildcard (matcher flere biblioteksniveauer)",
+    "Never": "Aldrig",
+    "New Device": "Ny enhed",
+    "New Folder": "Ny mappe",
+    "Newest First": "Nyeste først",
+    "No": "Nej",
+    "No File Versioning": "Ingen filversion",
+    "Notice": "OBS",
+    "OK": "OK",
+    "Off": "Slå fra",
+    "Oldest First": "Ældste først",
+    "Options": "Indstillinger",
+    "Out of Sync": "Ikke synkroniseret",
+    "Out of Sync Items": "Endnu ikke synkroniserede filer",
+    "Outgoing Rate Limit (KiB/s)": "Udgående hastighedsbegrænsning (KiB/s)",
+    "Override Changes": "Overskriv ændringer",
+    "Path to the folder on the local computer. Will be created if it does not exist. The tilde character (~) can be used as a shortcut for": "Sti til den lokale mappe. Vil blive oprettet hvis den ikke findes. Tilde tegnet (~) kan bruges som en forkortelse for",
+    "Path where versions should be stored (leave empty for the default .stversions folder in the folder).": "Sti hvor versioner skal gemmes (efterlad tom for default .stversions mappe)",
+    "Pause": "Pause",
+    "Paused": "Pauset",
+    "Please consult the release notes before performing a major upgrade.": "Tjek venligst udgivelsesnoterne før opgradering til en ny version.",
+    "Please set a GUI Authentication User and Password in the Settings dialog.": "Sæt vensligt en GUI bruger og kodeord i opsætningsdialogen.",
+    "Please wait": "Vent venligst",
+    "Preview": "Forhåndsvisning",
+    "Preview Usage Report": "Forhåndsvisning af forbrugsrapport",
+    "Quick guide to supported patterns": "Hurtig guide til supporteret mønstre",
+    "RAM Utilization": "RAM-forbrug",
+    "Random": "Tilfældig",
+    "Relayed via": "Passeret gennem",
+    "Relays": "Passager",
+    "Release Notes": "Udgivelsesnoter",
+    "Remove": "Fjern",
+    "Rescan": "Skan igen",
+    "Rescan All": "Skan alt igen",
+    "Rescan Interval": "Genskannings interval",
+    "Restart": "Genstart",
+    "Restart Needed": "Programmet kræver genstart",
+    "Restarting": "Genstarter",
+    "Resume": "Genoptag",
+    "Reused": "Genbrugt",
+    "Save": "Gem",
+    "Scan Time Remaining": "Tid tilbage af skanningen",
+    "Scanning": "Opdaterer",
+    "Select the devices to share this folder with.": "Vælg hvilke enheder du vil dele denne mappe med",
+    "Select the folders to share with this device.": "Vælg hvilke mapper du vil dele med denne enhed.",
+    "Settings": "Indstillinger",
+    "Share": "Del",
+    "Share Folder": "Delt mappe",
+    "Share Folders With Device": "Del mappe med enhed",
+    "Share With Devices": "Del med enhed",
+    "Share this folder?": "Del denne mappe",
+    "Shared With": "Delt med",
+    "Short identifier for the folder. Must be the same on all cluster devices.": "Kort navn for mappen. Skal være det samme på alle tilknyttede enheder.",
+    "Show ID": "Vis ID",
+    "Show QR": "Show QR",
+    "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Vist istedet for Enheds ID i klynge status. Vil blive vist på andre enheder som valgfrit standard navn.",
+    "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Vist istedet for Enheds ID i klynge status. Vil blive opdateret til det navn som enheden viser, hvis det ikke er udfyldt.",
+    "Shutdown": "Luk ned",
+    "Shutdown Complete": "Nedlukning fuldført",
+    "Simple File Versioning": "Simpel fil versioner",
+    "Single level wildcard (matches within a directory only)": "Enkeltnivau wildcard (matcher kun inden for en mapp)",
+    "Smallest First": "Mindste først",
+    "Source Code": "Kildekode",
+    "Staggered File Versioning": "Forskudte filversioner",
+    "Start Browser": "Start browser",
+    "Statistics": "Statistikker",
+    "Stopped": "Stoppet",
+    "Support": "Support",
+    "Sync Protocol Listen Addresses": "Lytteadresser for indgående forbindelser",
+    "Syncing": "Synkroniserer",
+    "Syncthing has been shut down.": "Syncthing er blevet lukket ned.",
+    "Syncthing includes the following software or portions thereof:": "Syncthing indeholder følgende software eller dele heraf:",
+    "Syncthing is restarting.": "Syncthing genstarter",
+    "Syncthing is upgrading.": "Syncthing opgraderer",
+    "Syncthing seems to be down, or there is a problem with your Internet connection. Retrying…": "Syncthing ser ud til at være stoppet eller oplever problemer med din internetforbindels. Prøver igen...",
+    "Syncthing seems to be experiencing a problem processing your request. Please refresh the page or restart Syncthing if the problem persists.": "Det ser ud til at Syncthiing har problemer med at udføre opgaven. Prøv at genopfriske siden eller genstarte Synching hvis problemet vedbliver.",
+    "The Syncthing admin interface is configured to allow remote access without a password.": "Syncthing administationsdelen er konfigureret til at blive fjernstyret uden kodeord.",
+    "The aggregated statistics are publicly available at {%url%}.": "Samlet statistik er offentligt tilgængelig på {{url}}.",
+    "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "Konfigurationen er gemt, men ikke aktiveret. Syncthing skal genstarte for at aktivere den nye konfiguration.",
+    "The device ID cannot be blank.": "Enhedens ID må ikke være tom.",
+    "The device ID to enter here can be found in the \"Edit > Show ID\" dialog on the other device. Spaces and dashes are optional (ignored).": "Enheds ID som som skal bruges her, kan du finde i \"Rediger > Vis ID\"-dialogen på den anden enhed. Mellemrum og bindestreg er valgfri (ignoreres).",
+    "The encrypted usage report is sent daily. It is used to track common platforms, folder sizes and app versions. If the reported data set is changed you will be prompted with this dialog again.": "Den krypterede forbrugsrapport sendes dagligt. Den benyttes til at spore anvendte platforme, mappestørrelser og versioner. Hvis det typen af opsamlet data ændres på et senere tidspunkt, vil du blive spurgt om tilladelse igen.",
+    "The entered device ID does not look valid. It should be a 52 or 56 character string consisting of letters and numbers, with spaces and dashes being optional.": "Det indtastede node ID ser ikke gyldigt ud. Det skal være en 52 eller 56 tegn streng, bestående af tal og bogstaver, eventuelt med mellemrum og bindestreger.",
+    "The first command line parameter is the folder path and the second parameter is the relative path in the folder.": "Den første kommandolinjeparameter er mappestien og den anden parameter er den relative sti til mappen.",
+    "The folder ID cannot be blank.": "Mappe-ID må ikke være tom",
+    "The folder ID must be a short identifier (64 characters or less) consisting of letters, numbers and the dot (.), dash (-) and underscode (_) characters only.": "Mappe-ID skal være en kort identificierende streng (64 karakterer eller mindre) bestående af bogstav-, tal-, punktum- (.), bindestreg- (-) og understregskarakteren (_).",
+    "The folder ID must be unique.": "Mappe-ID skal være unik",
+    "The folder path cannot be blank.": "Mappestien må ikke være tom",
+    "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "De følgende intervaller er brugt: i den første time, er en version gemt hvert 30. sekund, for første da er en version gemt hver time,  for de første 30 dage er en version gemt hver dag og indtil den maksimale periode er en version hver uge gemt.",
+    "The following items could not be synchronized.": "Følgende filer kunne ikke synkroniseres.",
+    "The maximum age must be a number and cannot be blank.": "Maks alder skal være et nummer og må ikke være tom",
+    "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "Maks tid gamle udgaver skal gemmes (i dage, sæt lig med 0 for at beholde gamle versioner for altid)",
+    "The minimum free disk space percentage must be a non-negative number between 0 and 100 (inclusive).": "Procentsatsen på den mindste ledige diskplads må ikke være negative og skal være mellem 0 og 100 (inklusiv).",
+    "The number of days must be a number and cannot be blank.": "Antallet af dage skal være et nummer og feltet må ikke være tomt",
+    "The number of days to keep files in the trash can. Zero means forever.": "Antal dage filer gemmes i skraldespanden. Nul betyder for evigt.",
+    "The number of old versions to keep, per file.": "Antallet af gamle versioner som gemmes, per fil.",
+    "The number of versions must be a number and cannot be blank.": "Antallet af versioner skal være et tal, og kan ikke være blankt.",
+    "The path cannot be blank.": "Stien må ikke være tom",
+    "The rate limit must be a non-negative number (0: no limit)": "Ratebegrænsningen må ikke være negative tal (0: ingen begrænsning)",
+    "The rescan interval must be a non-negative number of seconds.": "Genskanningsintervallet skal være et ikke-negativt antal sekunder",
+    "They are retried automatically and will be synced when the error is resolved.": "De prøves igen automatisk og vil blive synkroniseret når fejlen er løst.",
+    "This can easily give hackers access to read and change any files on your computer.": "Dette gør det nemt for hackere at få adgang til at læse og ændre filer på din computer.",
+    "This is a major version upgrade.": "Dette er en ny version",
+    "Trash Can File Versioning": "Skraldespand fil versioner",
+    "Unknown": "Ukendt",
+    "Unshared": "Ikke delt",
+    "Unused": "Ubrugt",
+    "Up to Date": "Fuldt opdateret",
+    "Updated": "Opdateret",
+    "Upgrade": "Upgradér",
+    "Upgrade To {%version%}": "Opgradér til {{version}}",
+    "Upgrading": "Opgradere",
+    "Upload Rate": "Uploadhastighed",
+    "Uptime": "Oppetid",
+    "Use HTTPS for GUI": "Anvend HTTPS til GUI adgang",
+    "Version": "Version",
+    "Versions Path": "Versions-sti",
+    "Versions are automatically deleted if they are older than the maximum age or exceed the number of files allowed in an interval.": "Versioner slettes automatisk, hvis de er ældre end den satte maksimum alder eller overstiger det tilladte antal filer i et interval.",
+    "When adding a new device, keep in mind that this device must be added on the other side too.": "Når der tilføjes en ny enhed, vær da opmærksom på, at denne enhed også skal tilføjes på den anden side.",
+    "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "Når der tilføjes en ny enhed, vær da opmærksom på at samme ID bruges til at forbinde mapperne på de forskellige enheder. Der er forskel på store og små bogstaver, og ID skal være fuldstændig identisk på alle enheder.",
+    "Yes": "Ja",
+    "You must keep at least one version.": "Du skal beholde mindst én version.",
+    "days": "dage",
+    "full documentation": "Fuld dokumentation",
+    "items": "poster",
+    "{%device%} wants to share folder \"{%folder%}\".": "{{device}} ønsker at dele mappen \"{{folder}}\". "
+}

gui/assets/lang/lang-de.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "Ein Gerät mit dieser ID existiert bereits.",
     "A negative number of days doesn't make sense.": "Eine negative Anzahl von Tagen ergibt keinen Sinn.",
     "A new major version may not be compatible with previous versions.": "Die neue Hauptversion ist evtl. nicht mit vorherigen Versionen kompatibel.",
     "API Key": "API-Schlüssel",
@@ -151,6 +152,7 @@
     "Shared With": "Geteilt mit",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Kurze ID für das Verzeichnis. Muss auf allen Verbunds-Geräten gleich sein.",
     "Show ID": "ID anzeigen",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Wird anstatt der Geräte ID angezeigt. Wird als optionaler Gerätename an die anderen Clients im Cluster weitergegeben.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Wird auf diesem Gerät als Gerätename angezeigt und an die anderen Geräte im Geräte-Verbund weitergegeben. Wenn kein Gerätename anegegeben wird, wird der Name des entfernten Gerätes genommen.",
     "Shutdown": "Herunterfahren",

gui/assets/lang/lang-el.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "Δε βγάζει νόημα ένας αρνητικός αριθμός ημερών.",
     "A new major version may not be compatible with previous versions.": "Μια νέα σημαντική έκδοση μπορεί να μην είναι συμβατή με τις προηγούμενες εκδόσεις.",
     "API Key": "Κλειδί API",
@@ -151,6 +152,7 @@
     "Shared With": "Διαμοιράζεται με",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Σύντομη ταυτότητα για το φάκελο. Θα πρέπει να είναι η ίδια σε όλη τη συστάδα  συσκευών με τις οποίες διαμοιράζεται ο φάκελος αυτός.",
     "Show ID": "Εμφάνιση ταυτότητας",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Θα φαίνεται αντί για την ταυτότητα της συσκευής στην προβολή της κατάστασης ολόκληρης της συστάδας. Θα γνωστοποιείται σαν το προαιρετικό όνομα της συσκευής.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Θα φαίνεται αντί για την ταυτότητα της συσκευής στην προβολή της κατάστασης ολόκληρης της συστάδας. Θα ενημερώνεται αυτόματα αν αλλάξει το όνομα της συσκευής.",
     "Shutdown": "Απενεργοποίηση",

gui/assets/lang/lang-en-GB.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "A negative number of days doesn't make sense.",
     "A new major version may not be compatible with previous versions.": "A new major version may not be compatible with previous versions.",
     "API Key": "API Key",
@@ -151,6 +152,7 @@
     "Shared With": "Shared With",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Short identifier for the folder. Must be the same on all cluster devices.",
     "Show ID": "Show ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.",
     "Shutdown": "Shutdown",

gui/assets/lang/lang-en.json

@@ -1,4 +1,5 @@
 {
+   "A device with that ID is already added.": "A device with that ID is already added.",
    "A negative number of days doesn't make sense.": "A negative number of days doesn't make sense.",
    "A new major version may not be compatible with previous versions.": "A new major version may not be compatible with previous versions.",
    "API Key": "API Key",
@@ -50,6 +51,7 @@
    "Edit Device": "Edit Device",
    "Edit Folder": "Edit Folder",
    "Editing": "Editing",
+   "Enable Relaying": "Enable Relaying",
    "Enable UPnP": "Enable UPnP",
    "Enter comma separated  (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.": "Enter comma separated  (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.",
    "Enter ignore patterns, one per line.": "Enter ignore patterns, one per line.",
@@ -74,6 +76,7 @@
    "Generate": "Generate",
    "Global Discovery": "Global Discovery",
    "Global Discovery Server": "Global Discovery Server",
+   "Global Discovery Servers": "Global Discovery Servers",
    "Global State": "Global State",
    "Help": "Help",
    "Home page": "Home page",
@@ -125,6 +128,7 @@
    "Quick guide to supported patterns": "Quick guide to supported patterns",
    "RAM Utilization": "RAM Utilization",
    "Random": "Random",
+   "Relay Servers": "Relay Servers",
    "Relayed via": "Relayed via",
    "Relays": "Relays",
    "Release Notes": "Release Notes",
@@ -151,6 +155,7 @@
    "Shared With": "Shared With",
    "Short identifier for the folder. Must be the same on all cluster devices.": "Short identifier for the folder. Must be the same on all cluster devices.",
    "Show ID": "Show ID",
+   "Show QR": "Show QR",
    "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.",
    "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.",
    "Shutdown": "Shutdown",

gui/assets/lang/lang-es-ES.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "Un número negativo de días no tiene sentido.",
     "A new major version may not be compatible with previous versions.": "Una nueva versión con cambios importantes puede no ser compatible con versiones anteriores.",
     "API Key": "Clave del API",
@@ -151,6 +152,7 @@
     "Shared With": "Compartir con",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Identificador corto para la carpeta. Debe ser el mismo en todos los dispositivos del grupo (cluster).",
     "Show ID": "Mostrar ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Se muestra en lugar del ID del dispositivo en el estado del grupo (cluster). Se notificará a los otros dispositivos como nombre opcional por defecto.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Se muestra en lugar del ID del dispositivo en el estado del grupo (cluster). Se actualizará al nombre que el dispositivo anuncia si se deja vacío.",
     "Shutdown": "Apagar",

gui/assets/lang/lang-es.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "Un número negativo no tiene sentido",
     "A new major version may not be compatible with previous versions.": "Una versión mayor nueva puede ser incompatible con versiones anteriores.",
     "API Key": "Clave API",
@@ -151,6 +152,7 @@
     "Shared With": "Compartido con",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Identificador corto para el repositorio. Debe ser el mismo en todos los dispositivos del grupo.",
     "Show ID": "Mostrar ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Mostrado en lugar de la ID del dispositivo en el estado del grupo. Será sugerido a otros dispositivos como nombre predeterminado opcional.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Mostrado en lugar de la ID del dispositivo en el estado del grupo. Si se deja en blanco, será usado el nombre sugerido por el dispositivo.",
     "Shutdown": "Apagar",

gui/assets/lang/lang-fi.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "Negatiivinen määrä päiviä ei ole järjellinen.",
     "A new major version may not be compatible with previous versions.": "A new major version may not be compatible with previous versions.",
     "API Key": "API-avain",
@@ -151,6 +152,7 @@
     "Shared With": "Jaettu seuraavien kanssa",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Lyhyt tunniste kansiolle. Tämän tulee olla sama kaikilla ryhmän laitteilla.",
     "Show ID": "Näytä ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Näytetään ryhmän tiedoissa laitteen ID:n sijaan. Ilmoitetaan muille laitteille vaihtoehtoisena oletusnimenä.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Näytetään ryhmän tiedoissa laitteen ID:n sijaan. Tyhjä nimi päivitetään laitteen ilmoittamaksi nimeksi.",
     "Shutdown": "Sammuta",

gui/assets/lang/lang-fr-CA.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "Un nombre négatif de jours n'a pas de sens.",
     "A new major version may not be compatible with previous versions.": "Une nouvelle version majeure peut présenter des incompatibilités avec les versions antérieures.",
     "API Key": "Clé API",
@@ -151,6 +152,7 @@
     "Shared With": "Partagé avec",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Identifiant court du dossier. Il doit être le même sur l'ensemble des appareils du groupe.",
     "Show ID": "Montrer l'ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Affiché à la place de l'ID de l'appareil dans le groupe. Sera proposé aux autres appareils comme nom optionnel par défaut.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Affiché à la place de l'ID de l'appareil dans le groupe. Si laissé vide, il sera mis à jour par le nom proposé par l'appareil distant.",
     "Shutdown": "Éteindre",

gui/assets/lang/lang-fr.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "Une machine avec cet ID a déjà été ajoutée.",
     "A negative number of days doesn't make sense.": "Un nombre négatif de jours n'a pas de sens.",
     "A new major version may not be compatible with previous versions.": "Une nouvelle version majeure peut présenter des incompatibilités avec les versions antérieures.",
     "API Key": "Clé API",
@@ -151,6 +152,7 @@
     "Shared With": "Partagé avec",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Identifiant court du dossier. Il doit être le même sur l'ensemble des appareils du groupe.",
     "Show ID": "Montrer l'ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Affiché à la place de l'ID de l'appareil dans le groupe. Sera proposé aux autres appareils comme nom optionnel par défaut.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Affiché à la place de l'ID de l'appareil dans le groupe. Si laissé vide, il sera mis à jour par le nom proposé par l'appareil distant.",
     "Shutdown": "Éteindre",

gui/assets/lang/lang-fy.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "In negatyf tal dagen soe healwiis wêze.",
     "A new major version may not be compatible with previous versions.": "In nije, wichtige ferzje koe wol ris net te kombinearjen wêze mei foargeande ferzjes.",
     "API Key": "API-kaai",
@@ -68,9 +69,9 @@
     "Folder Path": "Map-paad",
     "Folders": "Mappen",
     "GUI": "GUI",
-    "GUI Authentication Password": "GUI-wachtwurd foar ferifikaasje",
-    "GUI Authentication User": "GUI-brûker foar ferifikaasje",
-    "GUI Listen Addresses": "GUI-harkadres",
+    "GUI Authentication Password": "Wachtwurd foar ferifikaasje yn GUI",
+    "GUI Authentication User": "Brûkers-ID foar ferifikaasje yn GUI",
+    "GUI Listen Addresses": "Harkadres foar GUI",
     "Generate": "Generearje",
     "Global Discovery": "Wrâldwide ûntdekking",
     "Global Discovery Server": "Wrâldwide ûntdekkingstsjinner",
@@ -151,8 +152,9 @@
     "Shared With": "Dielt mei",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Koart opskrift foar de map. Moat op alle apparaten itselde wêze.",
     "Show ID": "ID sjen litte",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Wurd ynstee fan apparaat-ID sjen litten by de bondeltastân. Wurd nei oare apparaten advertearre as in mooglike standertnamme.",
-    "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Wurd ynstee fan apparaat-ID sjen litten by de bondeltastân. As it leech litten wurd, wurd it fernijt nei de namme die it apparaat advertearret.",
+    "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Wurd yn de bondel-tastân sjen litten ynstee fan apparaat-ID. Wannear't leech litten wurd, wurd it fernijt nei de namme die it apparaat útstjoert.",
     "Shutdown": "Ofslute",
     "Shutdown Complete": "Ofsluten klear",
     "Simple File Versioning": "Ienfâldich triemferzjebehear",
@@ -160,7 +162,7 @@
     "Smallest First": "Lytste earst",
     "Source Code": "Boarnekoade",
     "Staggered File Versioning": "Sprieden triemferzjebehear",
-    "Start Browser": "Browser starte",
+    "Start Browser": "Browser iepenje wannear't Syncthing start",
     "Statistics": "Statistiken",
     "Stopped": "Stoppe",
     "Support": "Understeuning",

gui/assets/lang/lang-hu.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "Negatív számú nap nincs értelmezve.",
     "A new major version may not be compatible with previous versions.": "Az új főverzió nem kompatibilis az előző főverzióval.",
     "API Key": "API kulcs",
@@ -151,6 +152,7 @@
     "Shared With": "Megosztva ezekkel:",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Rövid azonosító. Minden megosztott eszközön azonosnak kell lennie.",
     "Show ID": "Azonosító mutatása",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Az eszköz azonosító helyett jelenik meg. A többi eszközön alapértelmezett névként használható. ",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Az eszköz azonosító helyett jelenik meg. Üresen hagyva az eszköz saját neve lesz használva ",
     "Shutdown": "Leállítás",

gui/assets/lang/lang-it.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "Un dispositivo con questo ID è già stato aggiunto.",
     "A negative number of days doesn't make sense.": "Un numero di giorni negativo non ha alcun senso.",
     "A new major version may not be compatible with previous versions.": "Una nuova versione principale potrebbe non essere compatibile con le versioni precedenti.",
     "API Key": "Chiave API",
@@ -151,6 +152,7 @@
     "Shared With": "Condiviso Con",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Breve identificatore della cartella. Deve essere lo stesso su tutti i dispositivi del cluster.",
     "Show ID": "Mostra ID",
+    "Show QR": "Mostra QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Visibile al posto dell'ID Dispositivo nello stato del cluster. Negli altri dispositivi verrà presentato come nome predefinito opzionale.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Visibile al posto dell'ID Dispositivo nello stato del cluster. Se viene lasciato vuoto, verrà utilizzato il nome proposto dal dispositivo.",
     "Shutdown": "Arresta",

gui/assets/lang/lang-ja.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "入力されたIDのデバイスはすでに追加されています。",
     "A negative number of days doesn't make sense.": "負の日数は指定できません。",
     "A new major version may not be compatible with previous versions.": "新しいメジャーバージョンは以前のバージョンと互換性がないかもしれません。",
     "API Key": "APIキー",
@@ -41,7 +42,7 @@
     "Device {%device%} ({%address%}) wants to connect. Add new device?": "デバイス {{device}} ({{address}}) が接続を求めています。新しいデバイスとして追加しますか?",
     "Devices": "デバイス",
     "Disconnected": "切断中",
-    "Discovery": "Discovery",
+    "Discovery": "ディスカバリーサーバー",
     "Documentation": "マニュアル",
     "Download Rate": "ダウンロード速度",
     "Downloaded": "ダウンロード済",
@@ -151,6 +152,7 @@
     "Shared With": "共有相手",
     "Short identifier for the folder. Must be the same on all cluster devices.": "このフォルダーの短い識別子。このフォルダーを共有する全てのデバイス上で同じである必要があります。",
     "Show ID": "IDを表示",
+    "Show QR": "QRコードを表示",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "クラスターステータスでデバイスIDの代わりに表示されます。他のデバイスに対してもデフォルトの名前として通知されます。",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "クラスターステータスでデバイスIDの代わりに表示されます。空欄の場合デバイスが名乗る名前に更新されます。",
     "Shutdown": "シャットダウン",

gui/assets/lang/lang-ko-KR.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "A negative number of days doesn't make sense.",
     "A new major version may not be compatible with previous versions.": "새로운 메이저 버전은 이전 버전과 호환되지 않을 수 있습니다.",
     "API Key": "API 키",
@@ -151,6 +152,7 @@
     "Shared With": "~와 공유",
     "Short identifier for the folder. Must be the same on all cluster devices.": "간단한 폴더 식별자입니다. 모든 장치에서 동일해야 합니다.",
     "Show ID": "내 기기 ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "장치에 대한 아이디로 표시됩니다. 옵션에 얻은 기본이름으로 다른장치에 통보합니다.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "아이디가 비어있는 경우 기본 값으로 다른 장치에 업데이트 됩니다.",
     "Shutdown": "종료",

gui/assets/lang/lang-lt.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "Įrenginys su tokiu ID jau yra pridėtas.",
     "A negative number of days doesn't make sense.": "Privalo būti teigiamas skaičius.",
     "A new major version may not be compatible with previous versions.": "Nauja versija gali būti nesuderinama su senomis versijomis.",
     "API Key": "API raktas",
@@ -151,6 +152,7 @@
     "Shared With": "Dalinamasi su",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Trumpas aplanko identifikatorius. Privalo būti toks pat visuose įrenginiuose.",
     "Show ID": "Rodyti ID",
+    "Show QR": "Rodyti QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Grupės būsenoje rodomas vietoje įrenginio vardo. Kiti įrenginiai matys kaip pasirinktinį vardą.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Grupės būsenoje rodomas vietoje įrenginio vardo. Bus atnaujintas į įrenginio vardą jei nieko neįrašysite.",
     "Shutdown": "Išjungti",

gui/assets/lang/lang-nb.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "En enhet med samme ID er allerede lagt til.",
     "A negative number of days doesn't make sense.": "Et negativt antall dager gir ikke mening.",
     "A new major version may not be compatible with previous versions.": "En ny hovedversjon er ikke nødvendigvis kompatibel med eldre versjoner.",
     "API Key": "API-nøkkel",
@@ -32,7 +33,7 @@
     "Copied from elsewhere": "Kopiert fra et annet sted",
     "Copied from original": "Kopiert fra original",
     "Copyright © 2015 the following Contributors:": "Opphavsrett © 2015 de følgende bidragsytere:",
-    "Danger!": "Danger!",
+    "Danger!": "Fare!",
     "Delete": "Slett",
     "Deleted": "Slettet",
     "Device ID": "Enhets ID",
@@ -68,8 +69,8 @@
     "Folder Path": "Mappeplassering",
     "Folders": "Mapper",
     "GUI": "grafisk brukergrensesnitt",
-    "GUI Authentication Password": "GUI Passord",
-    "GUI Authentication User": "GUI Bruker",
+    "GUI Authentication Password": "Passord for GUI-autenisering",
+    "GUI Authentication User": "Bruker for GUI-autenisering",
     "GUI Listen Addresses": "GUI Lytteadresse",
     "Generate": "Generer",
     "Global Discovery": "Global Søking",
@@ -118,7 +119,7 @@
     "Pause": "Oppholde",
     "Paused": "Oppholdt",
     "Please consult the release notes before performing a major upgrade.": "Se \"release notes\" før en hovedoppgradering utføres.",
-    "Please set a GUI Authentication User and Password in the Settings dialog.": "Please set a GUI Authentication User and Password in the Settings dialog.",
+    "Please set a GUI Authentication User and Password in the Settings dialog.": "Vennligst angi bruker og passord for GUI-autentisering i innstillingsvinduet.",
     "Please wait": "Vennligst vent",
     "Preview": "Forhåndsvisning",
     "Preview Usage Report": "Forhåndsvisning Av Datainnsamling",
@@ -129,17 +130,17 @@
     "Relays": "Reléer",
     "Release Notes": "Utgivelsesnotat",
     "Remove": "Fjern",
-    "Rescan": "Skann på nytt",
-    "Rescan All": "Skann alt på nytt",
-    "Rescan Interval": "Skanneintervall",
+    "Rescan": "Gjennomsøk på nytt",
+    "Rescan All": "Gjennomsøk alt på nytt",
+    "Rescan Interval": "Intervall for gjennomsøking",
     "Restart": "Omstart",
     "Restart Needed": "Omstart Kreves",
     "Restarting": "Starter På Ny",
     "Resume": "Gjenoppta",
     "Reused": "Gjenbrukt",
     "Save": "Lagre",
-    "Scan Time Remaining": "Scan Time Remaining",
-    "Scanning": "Skanner",
+    "Scan Time Remaining": "Gjenstående tid for gjennomsøking",
+    "Scanning": "Gjennomsøker",
     "Select the devices to share this folder with.": "Velg enhetene du vil dele denne mappen med.",
     "Select the folders to share with this device.": "Velg hvilke mapper som skal deles med denne enheten.",
     "Settings": "Innstillinger",
@@ -148,12 +149,13 @@
     "Share Folders With Device": "Del Mapper Med Enhet",
     "Share With Devices": "Del Med Enheter",
     "Share this folder?": "Dele denne mappen?",
-    "Shared With": "Delt Med",
+    "Shared With": "Delt med",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Kort kjennemerke på mappen. Må være det samme på alle enheter i en gruppe.",
     "Show ID": "Vis ID",
+    "Show QR": "Vis QR kode",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Vis i stedet for Eining ID i gruppestatus. Vil bli kringkastet til andre enheter som et valgfritt standardnavn.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Vist i stedet for Mappe-ID i gruppestatus. Vil bli oppdatert til navnet enheten kringkaster dersom tomt.",
-    "Shutdown": "Slå Av",
+    "Shutdown": "Avslutt",
     "Shutdown Complete": "Avslutning fullført",
     "Simple File Versioning": "Enkel Versjonskontroll",
     "Single level wildcard (matches within a directory only)": "Enkeltnivåsøk (søker kun i en mappe)",
@@ -172,7 +174,7 @@
     "Syncthing is upgrading.": "Syncthing oppgraderer.",
     "Syncthing seems to be down, or there is a problem with your Internet connection. Retrying…": "Syncthing ser ut til å være nede, eller så er det et problem med nettforbindelsen din. Prøver på ny …",
     "Syncthing seems to be experiencing a problem processing your request. Please refresh the page or restart Syncthing if the problem persists.": "Syncthing ser ut til å ha støtt på et problem under behandling av din forespørsel. Vennligst oppfrisk nettleseren eller start Syncthing på nytt dersom problemet vedvarer.",
-    "The Syncthing admin interface is configured to allow remote access without a password.": "The Syncthing admin interface is configured to allow remote access without a password.",
+    "The Syncthing admin interface is configured to allow remote access without a password.": "Grensesnittet for administrering av Syncthing er satt til å tillate ekstern tilgang uten et passord.",
     "The aggregated statistics are publicly available at {%url%}.": "Samlet statistikk er åpent tilgjengelig på {{url}}.",
     "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "Innstillingene har blitt lagret men ikke aktivert. Syncthing må starte på ny for å aktivere de nye innstillingene.",
     "The device ID cannot be blank.": "Enhets-ID kan ikke være tom.",
@@ -195,9 +197,9 @@
     "The number of versions must be a number and cannot be blank.": "Antall versjoner må være et tall og kan ikke være tomt.",
     "The path cannot be blank.": "Plasseringen kan ikke være tom.",
     "The rate limit must be a non-negative number (0: no limit)": "Hastighetsbegrensningen kan ikke være et negativt tall (0: ingen begrensing)",
-    "The rescan interval must be a non-negative number of seconds.": "Antall sekund i skanneintervallet kan ikke være negativt.",
+    "The rescan interval must be a non-negative number of seconds.": "Antall sekund for intervallet kan ikke være negativt.",
     "They are retried automatically and will be synced when the error is resolved.": "Disse hentes automatisk og vil synkroniseres når feilen er blitt utbedret.",
-    "This can easily give hackers access to read and change any files on your computer.": "This can easily give hackers access to read and change any files on your computer.",
+    "This can easily give hackers access to read and change any files on your computer.": "Dette kan lett gi hackere tilgang til å lese og endre alle filer på datamaskinen din.",
     "This is a major version upgrade.": "Dette er en hovedoppgradering",
     "Trash Can File Versioning": "Papirkurv Versjonskontroll",
     "Unknown": "Ukjent",
@@ -220,6 +222,6 @@
     "You must keep at least one version.": "Du må beholde minst én versjon",
     "days": "dager",
     "full documentation": "all dokumentasjon",
-    "items": "element",
+    "items": "elementer",
     "{%device%} wants to share folder \"{%folder%}\".": "{{device}} ønsker å dele mappen \"{{folder}}\"."
 }

gui/assets/lang/lang-nl.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "Een negatief aantal dagen is niet logisch.",
     "A new major version may not be compatible with previous versions.": "Een nieuwe major version is misschien niet compatibel met eerdere versies.",
     "API Key": "API-sleutel",
@@ -151,6 +152,7 @@
     "Shared With": "Gedeeld met",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Korte aanduiding voor deze map. Moet dezelfde zijn op alle apparaten in het cluster.",
     "Show ID": "Toon ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Wordt i.p.v. het apparaat-ID getoond in de clusterstatus. Deze naam wordt aan andere apparaten voorgesteld als optionele standaard naam.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Wordt in plaats van het apparaat-ID in de cluster status getoond. Zal geupdate worden naar de naam die het apparaat uitzend. ",
     "Shutdown": "Sluit af",

gui/assets/lang/lang-nn.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "Eit negativt tal dagar har ikkje meining.",
     "A new major version may not be compatible with previous versions.": "Ein ny hovudversjon er ikkje nødvendigvis kompatibel med eldre versjonar. ",
     "API Key": "API-nøkkel",
@@ -151,6 +152,7 @@
     "Shared With": "Delt Med",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Kort kjennemerke på mappa. Må vera det same på alle einingane i klyngja.",
     "Show ID": "Vis ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Vist i staden for einings-ID-en i klyngjestatusen. Vil verta kringkasta til dei andre einingane som eit valfritt standardnamn.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Vist i staden for mappe-ID-en i klyngjestatuses. Vil verta oppdatert til namnet eininga kringkastar dersom tomt.",
     "Shutdown": "Slå Av",

gui/assets/lang/lang-pl.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "Ujemna ilość dni nie ma sensu.",
     "A new major version may not be compatible with previous versions.": "Nowa wersja może być niekompatybilna z poprzednimi wersjami.",
     "API Key": "Klucz API",
@@ -151,6 +152,7 @@
     "Shared With": "Współdzielony z",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Krótki identyfikator folderu. Musi być taki sam na wszystkich urządzeniach.",
     "Show ID": "Pokaż ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Pokazane w statusie zamiast ID urządzenia.Zostanie wysłane do innych urządzeń jako opcjonalna domyślna nazwa.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Pokazane w statusie zamiast ID urządzenia. Zostanie zaktualizowane do nazwy urządzenia jeżeli pozostanie puste.",
     "Shutdown": "Wyłącz",

gui/assets/lang/lang-pt-BR.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "Um dispositivo com este ID já foi adicionado.",
     "A negative number of days doesn't make sense.": "Um número negativo de dias não faz sentido.",
     "A new major version may not be compatible with previous versions.": "Uma nova versão principal pode não ser compatível com versões anteriores.",
     "API Key": "Chave da API",
@@ -151,6 +152,7 @@
     "Shared With": "Compartilhada com",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Identificador curto para a pasta. Deve ser igual em todos os dispositivos.",
     "Show ID": "Mostrar ID",
+    "Show QR": "Exibir QR Code",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Mostrado no lugar do ID do dispositivo no indicador de estado do grupo. Será divulgado aos outros dispositivos como um nome opcional e pré-definido.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Mostrado no lugar do ID do dispositivo no indicador de estado do grupo. Será atualizado para o nome que o dispositivo divulga, caso seja deixado em branco.",
     "Shutdown": "Desligar",

gui/assets/lang/lang-pt-PT.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "Já tinha sido adicionado um dispositivo com esse ID.",
     "A negative number of days doesn't make sense.": "Um número negativo de dias não faz sentido.",
     "A new major version may not be compatible with previous versions.": "Uma nova versão principal pode não ser compatível com versões anteriores.",
     "API Key": "Chave da API",
@@ -118,7 +119,7 @@
     "Pause": "Pausar",
     "Paused": "Em pausa",
     "Please consult the release notes before performing a major upgrade.": "Consulte as notas de lançamento antes de fazer uma actualização importante.",
-    "Please set a GUI Authentication User and Password in the Settings dialog.": "Por favor, defina um utilizador e senha de autenticação na interface gráfica, nas configurações.",
+    "Please set a GUI Authentication User and Password in the Settings dialog.": "Por favor, defina um utilizador e senha de autenticação para a interface gráfica, nas configurações.",
     "Please wait": "Aguarde",
     "Preview": "Previsão",
     "Preview Usage Report": "Pré-visualizar relatório de utilização",
@@ -151,6 +152,7 @@
     "Shared With": "Partilhada com",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Identificador curto para a pasta. Tem que ser igual em todos os dispositivos do grupo.",
     "Show ID": "Mostrar ID",
+    "Show QR": "Mostrar QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Apresentado ao invés do ID do dispositivo no indicador de estado do grupo. Será divulgado aos outros dispositivos como um nome pré-definido opcional.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Apresentado ao invés do ID do dispositivo no indicador de estado do grupo. Será actualizado para o nome que o dispositivo divulga, se for deixado em branco.",
     "Shutdown": "Desligar",

gui/assets/lang/lang-ro-RO.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "A negative number of days doesn't make sense.",
     "A new major version may not be compatible with previous versions.": "A new major version may not be compatible with previous versions.",
     "API Key": "Cheie API",
@@ -151,6 +152,7 @@
     "Shared With": "Împarte Cu",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Identificator scurt al fișierului. Trebuie să fie același pe toate mașinile. ",
     "Show ID": "Arată ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Vizibil în locul ID-ului dispozitivului într-un grup. Va fi sugerat celorlalte dispozitive ca nume opţional. ",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Vizibil în locul ID-ului dispozitivului într-un grup. Va fi înlocuit de numele sugerat de dispozitiv daca nu este completat. ",
     "Shutdown": "Opreşte",

gui/assets/lang/lang-ru.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "Устройство с таким ID уже добавлено.",
     "A negative number of days doesn't make sense.": "Отрицательное число дней не имеет значения.",
     "A new major version may not be compatible with previous versions.": "Новое обновление основной версии может быть несовместимо с предыдущими версиями.",
     "API Key": "Ключ API",
@@ -138,7 +139,7 @@
     "Resume": "Возобновить",
     "Reused": "Повторно использовано",
     "Save": "Сохранить",
-    "Scan Time Remaining": "Scan Time Remaining",
+    "Scan Time Remaining": "Оставшееся время сканирования",
     "Scanning": "Сканирование",
     "Select the devices to share this folder with.": "Выберите устройства, для которых будет доступна эта папка.",
     "Select the folders to share with this device.": "Выберите папку для предоставления доступа данному устройству",
@@ -151,6 +152,7 @@
     "Shared With": "Доступ предоставлен",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Короткий идентификатор папки. Должен быть одинаковым на всех устройствах кластера.",
     "Show ID": "Показать ID",
+    "Show QR": "Показать QR-код",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Отображается вместо ID устройства в статусе группы. Будет разослан другим устройствам в качестве имени по умолчанию.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Отображается вместо ID устройства в статусе группы. Если поле не заполнено, то будет установлено имя, передаваемое этим устройством.",
     "Shutdown": "Выключить",

gui/assets/lang/lang-sv.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "Negativt antal dagar är inte troligt.",
     "A new major version may not be compatible with previous versions.": "En ny huvudversion kan eventuellt vara inkompatibel med tidigare versioner.",
     "API Key": "API-nyckel",
@@ -151,6 +152,7 @@
     "Shared With": "Delad med",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Kort identifieringssträng för katalogen. Måste vara samma på alla enheter i klustret.",
     "Show ID": "Visa ID",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Visas i stället för enhets-ID. Skickas till andra enheter som namn på denna enhet.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Visas i stället för enhets-ID. Sätts till namnet på den andra enheten vid första anslutning om det lämnas tomt.",
     "Shutdown": "Stäng av",

gui/assets/lang/lang-tr.json

@@ -0,0 +1,227 @@
+{
+    "A device with that ID is already added.": "Bu ID'yi taşıyan cihaz zaten eklendi.",
+    "A negative number of days doesn't make sense.": "Eksi gün sayısı mantıklı bir ifade değil.",
+    "A new major version may not be compatible with previous versions.": "Yeni birincil sürümler önceki sürümlerle uyumlu olmayabilir.",
+    "API Key": "API Anahtarı",
+    "About": "Hakkında",
+    "Actions": "Eylemler",
+    "Add": "Ekle",
+    "Add Device": "Cihaz Ekle",
+    "Add Folder": "Klasör Ekle",
+    "Add new folder?": "Yeni klasör ekle?",
+    "Address": "Adres",
+    "Addresses": "Adresler",
+    "Advanced": "Gelişmiş Düzey",
+    "Advanced Configuration": "Gelişmiş Yapılandırma",
+    "All Data": "Bütün Veriler",
+    "Allow Anonymous Usage Reporting?": "Anonim kullanımın raporlanmasına izin veriyor musun ?",
+    "Alphabetic": "Alfabetik",
+    "An external command handles the versioning. It has to remove the file from the synced folder.": "Sürümlendirme işlemini harici bir komut yürütüyor. Dosyayı eşzamanlama klasöründen kaldırmak zorunda.",
+    "Anonymous Usage Reporting": "Anonim Kullanım Raporlama",
+    "Any devices configured on an introducer device will be added to this device as well.": "Tanıtıcı bir cihazda yapılandırılan cihazlar bu cihaza da eklenecektir.",
+    "Automatic upgrades": "Otomatik güncellemeler",
+    "Be careful!": "Dikkatli Ol!",
+    "Bugs": "Hatalar",
+    "CPU Utilization": "İşlemci Kullanımı",
+    "Changelog": "Değişim Günlüğü",
+    "Clean out after": "Clean out after",
+    "Close": "Kapat",
+    "Command": "Komut",
+    "Comment, when used at the start of a line": "Satır başında kullanıldığında açıklama özelliği taşır",
+    "Compression": "Sıkıştırma",
+    "Connection Error": "Bağlantı hatası",
+    "Copied from elsewhere": "Başka bir yerden kopyalanmış",
+    "Copied from original": "Aslından kopyalanmış",
+    "Copyright © 2015 the following Contributors:": "Telif Hakkı © 2015 katkıda bulunanlar:",
+    "Danger!": "Tehlike!",
+    "Delete": "Sil",
+    "Deleted": "Silindi",
+    "Device ID": "Cihaz ID",
+    "Device Identification": "Cihaz Kimliği",
+    "Device Name": "Cihaz Adı",
+    "Device {%device%} ({%address%}) wants to connect. Add new device?": "Cihaz {{device}} ({{address}}) bağlanmak istiyor. Yeni cihaz ekle?",
+    "Devices": "Cihazlar",
+    "Disconnected": "Bağlantı Kesik",
+    "Discovery": "Discovery",
+    "Documentation": "Belgeleme",
+    "Download Rate": "İndirme Hızı",
+    "Downloaded": "İndirilmiş",
+    "Downloading": "İndiriliyor",
+    "Edit": "Düzenle",
+    "Edit Device": "Cihaz Düzenle",
+    "Edit Folder": "Klasör Düzenle",
+    "Editing": "Düzenleniyor",
+    "Enable UPnP": "UPnP Etkinleştir",
+    "Enter comma separated  (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.": "Adreslerin keşfinin otomatik olarak gerçekleştirilmesi için ya adresleri virgülle ayırarak  (\"tcp://ip:port\", \"tcp://host:port\") girin, ya da \"dynamic\" kelimesini girin.",
+    "Enter ignore patterns, one per line.": "Yoksayılacak/ihmal edilecek kalıp dizilerini her satıra bir tane olacak şekilde girin.",
+    "Error": "Hata",
+    "External File Versioning": "Harici Dosya Sürümlendirme",
+    "Failed Items": "Başarısız olunan Öğeler",
+    "File Pull Order": "File Pull Order",
+    "File Versioning": "Dosya Sürümlendirme",
+    "File permission bits are ignored when looking for changes. Use on FAT file systems.": "Değişimleri yoklarken dosya izin bilgilerini ihmal et. FAT dosya sistemlerinde kullanın.",
+    "Files are moved to .stversions folder when replaced or deleted by Syncthing.": "Dosyalar Syncthing tarafından yeri değiştirildiğinde ya da silindiğinde .stversions klasörüne taşınır.",
+    "Files are moved to date stamped versions in a .stversions folder when replaced or deleted by Syncthing.": "Dosyalar Syncthing tarafından yeri değiştirildiğinde ya da silindiğinde, tarih damgalı sürümleri .stversions klasörüne taşınır.",
+    "Files are protected from changes made on other devices, but changes made on this device will be sent to the rest of the cluster.": "Dosyalar diğer cihazlarda yapılan değişikliklerden korunur, ancak bu cihazdaki değişiklikler kümedeki diğer cihazlara gönderilir.",
+    "Folder": "Klasör",
+    "Folder ID": "Klasör ID",
+    "Folder Master": "Ana Klasör",
+    "Folder Path": "Klasör Yolu",
+    "Folders": "Klasörler",
+    "GUI": "GUI / Kullanıcı Grafik Arayüzü",
+    "GUI Authentication Password": "GUI Kimlik Doğrulaması için Kullanıcı Parolası",
+    "GUI Authentication User": "GUI Kimlik Doğrulaması için Kullanıcı Adı",
+    "GUI Listen Addresses": "GUI Dinleme/Bağlantı Adresleri",
+    "Generate": "Oluştur",
+    "Global Discovery": "Küresel Discovery",
+    "Global Discovery Server": "Küresel Discovery Sunucusu",
+    "Global State": "Küresel Durum",
+    "Help": "Yardım",
+    "Home page": "Ana Sayfa",
+    "Ignore": "Yoksay",
+    "Ignore Patterns": "Kalıpları Yoksay",
+    "Ignore Permissions": "İzinleri yoksay",
+    "Incoming Rate Limit (KiB/s)": "İndirme Oranı Limiti (KiB/s)",
+    "Incorrect configuration may damage your folder contents and render Syncthing inoperable.": "Yanlış yapılandırma klasör içeriğine zarar verebilir ve Syncthing'i çalışamaz hale getirebilir.",
+    "Introducer": "Tanıtıcı",
+    "Inversion of the given condition (i.e. do not exclude)": "Verilen koşulun ters çevirilmesi (örneğin: yok sayma)",
+    "Keep Versions": "Sürümleri Tut",
+    "Largest First": "En büyük olan önce",
+    "Last File Received": "Alınan Son Dosya",
+    "Last seen": "Son Görülen",
+    "Later": "Sonra",
+    "Local Discovery": "Yerel Discovery",
+    "Local State": "Yerel Durum",
+    "Local State (Total)": "Yerel Durum (Toplamı)",
+    "Major Upgrade": "Birincil Yükseltme",
+    "Maximum Age": "Azami Süre",
+    "Metadata Only": "Sadece Üstveri",
+    "Minimum Free Disk Space": "Minimum Boş Disk Alanı",
+    "Move to top of queue": "Kuyruğun başına taşı",
+    "Multi level wildcard (matches multiple directory levels)": "Çoklu düzey wildcard (çok sayıda dizin düzeyinde eşleşme)",
+    "Never": "Asla",
+    "New Device": "Yeni Cihaz",
+    "New Folder": "Yeni Klasör",
+    "Newest First": "En yeni olan önce",
+    "No": "Hayır",
+    "No File Versioning": "Dosya Sürümlendirmesi Yok",
+    "Notice": "Uyarı",
+    "OK": "Tamam",
+    "Off": "Kapalı",
+    "Oldest First": "En eski olan önce",
+    "Options": "Seçenekler",
+    "Out of Sync": "Eşzamanlama Dışı",
+    "Out of Sync Items": "Eşzamanlama dışında kalan Öğeler",
+    "Outgoing Rate Limit (KiB/s)": "Yükleme hız sınırı (KB/sn)",
+    "Override Changes": "Değişiklikleri Geçersiz kıl",
+    "Path to the folder on the local computer. Will be created if it does not exist. The tilde character (~) can be used as a shortcut for": "Yerel bilgisayardaki klasöre ulaşım yolu. Klasör yoksa yaratılacak. Tilde (~) karakterinin kısayol olarak kullanılabileceği yol",
+    "Path where versions should be stored (leave empty for the default .stversions folder in the folder).": "Sürümlerin saklanması gereken klasör yolu (öntanımlı .stversions klasörü için boş bırakın)",
+    "Pause": "Duraklat",
+    "Paused": "Duraklatıldı",
+    "Please consult the release notes before performing a major upgrade.": "Birincil bir yükseltme gerçekleştirmeden önce lütfen sürüm notlarını tetkik edin.",
+    "Please set a GUI Authentication User and Password in the Settings dialog.": "GUI üzerinden Kimlik Doğrulaması yapmak için Ayarlar penceresinde Kullanıcı ve Parola tanımlayın lütfen.",
+    "Please wait": "Lütfen Bekleyin",
+    "Preview": "Önizleme",
+    "Preview Usage Report": "Kullanım raporunu gözden geçir",
+    "Quick guide to supported patterns": "Desteklenen kalıplar için hızlı rehber",
+    "RAM Utilization": "RAM Kullanımı",
+    "Random": "Rastgele",
+    "Relayed via": "Relayed via",
+    "Relays": "Relays",
+    "Release Notes": "Sürüm Notları",
+    "Remove": "Kaldır",
+    "Rescan": "Tekrar Tara",
+    "Rescan All": "Tümünü Tekrar Tara",
+    "Rescan Interval": "Tarama Aralığı",
+    "Restart": "Yeniden Başlat",
+    "Restart Needed": "Yeniden başlatma gereklidir",
+    "Restarting": "Yeniden başlatılıyor",
+    "Resume": "Devam Et/Sürdür",
+    "Reused": "Yeniden Kullanılan",
+    "Save": "Kaydet",
+    "Scan Time Remaining": "Kalan Tarama Zamanı",
+    "Scanning": "Taranıyor",
+    "Select the devices to share this folder with.": "Bu klasörü paylaşacağın cihazları seç.",
+    "Select the folders to share with this device.": "Bu cihazla paylaşılacak klasörleri seç.",
+    "Settings": "Ayarlar",
+    "Share": "Paylaş",
+    "Share Folder": "Paylaşım Klasörü",
+    "Share Folders With Device": "Klasörü Cihazla Paylaş",
+    "Share With Devices": "Cihazlar İle Paylaş",
+    "Share this folder?": "Bu klasörü paylaşmak istiyor musun?",
+    "Shared With": "Paylaşılan düğümler",
+    "Short identifier for the folder. Must be the same on all cluster devices.": "Klasörü için kısa tanımlayıcı. Tüm küme cihazlarda aynı olmalıdır.",
+    "Show ID": "ID Göster",
+    "Show QR": "Show QR",
+    "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Küme durumunda Cihaz ID yerine bunu göster. Varsayılan isim isteğe bağlı olarak diğer cihazlara ilan edilecektir.",
+    "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Küme durumunda Cihaz ID yerine bunu göster. Eğer düğüm ismi boş bırakılırsa düğüm ismi güncellenip ilan edilecektir.",
+    "Shutdown": "Kapat",
+    "Shutdown Complete": "Kapatma İşlemi Tamamlandı",
+    "Simple File Versioning": "Basit Dosya Sürümlendirme",
+    "Single level wildcard (matches within a directory only)": "Tekli düzey wildcard (sadece bir dizin içinde eşleşme)",
+    "Smallest First": "En küçük olan önce",
+    "Source Code": "Kaynak Kodu",
+    "Staggered File Versioning": "Aşamalı Dosya Sürümlendirme",
+    "Start Browser": "Tarayıcıyı Başlat",
+    "Statistics": "İstatistikler",
+    "Stopped": "Durduruldu",
+    "Support": "Destek",
+    "Sync Protocol Listen Addresses": "Sync Protokol Dinleme Adresleri",
+    "Syncing": "Eşzamanlama gerçekleştiriliyor",
+    "Syncthing has been shut down.": "Syncthing kapatıldı",
+    "Syncthing includes the following software or portions thereof:": "Syncthing aşağıdaki yazılımları veya bunların bölümlerini içermektedir:",
+    "Syncthing is restarting.": "Syncthing yeniden başlatılıyor.",
+    "Syncthing is upgrading.": "Syncthing yükseltiliyor.",
+    "Syncthing seems to be down, or there is a problem with your Internet connection. Retrying…": "Syncthing uygulaması çökmüş olabilir, veya internet bağlantınızda bir sorun var. Tekrar deniyor....",
+    "Syncthing seems to be experiencing a problem processing your request. Please refresh the page or restart Syncthing if the problem persists.": "Syncthing isteminizi işleme alırken bir sorunla karşılaştı. Lütfen sayfanızı yenileyin veya sorun devam ediyorsa Syncthing'i yeniden başlatın.",
+    "The Syncthing admin interface is configured to allow remote access without a password.": "Syncthing yönetici arayüzü parolasız olarak uzaktan erişime izin verilecek şekilde yapılandırıldı.",
+    "The aggregated statistics are publicly available at {%url%}.": "Toplanan halka açık istatistiklere ulaşabileceğiniz adres {{url}}.",
+    "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "Yapılandırma kaydedildi ancak etkinleştirilmedi. Etkinleştirmek için Syncthing yeniden başlatılmalı.",
+    "The device ID cannot be blank.": "Cihaz ID boş olamaz.",
+    "The device ID to enter here can be found in the \"Edit > Show ID\" dialog on the other device. Spaces and dashes are optional (ignored).": "Buraya girilecek cihaz ID'si diğer düğümde \"Düzenle > ID Göster\" menüsünden bulunabilir. Boşluk ve kısa çizginin olup olmaması önemli değildir. (İhmal edilir)",
+    "The encrypted usage report is sent daily. It is used to track common platforms, folder sizes and app versions. If the reported data set is changed you will be prompted with this dialog again.": "Şifrelenmiş kullanım bilgisi günlük olarak gönderilir. Platform, klasör büyüklüğü ve uygulama sürümü hakkında bilgi toplanır. Toplanan bilgi çeşidi değişecek olursa, sizden tekrar onay istenecek.",
+    "The entered device ID does not look valid. It should be a 52 or 56 character string consisting of letters and numbers, with spaces and dashes being optional.": "Girilen cihaz ID'si geçerli gibi gözükmüyor. 52 ya da 56 karakter uzunluğunda, harf ve rakamlardan oluşmalı. Boşlukların ve kısa çizgilerin olup olmaması önemli değildir.",
+    "The first command line parameter is the folder path and the second parameter is the relative path in the folder.": "İlk komut satırı parametresi klasör yoludur; ikinci parametre ise klasördeki göreceli yoldur. ",
+    "The folder ID cannot be blank.": "Klasör ID boş olamaz.",
+    "The folder ID must be a short identifier (64 characters or less) consisting of letters, numbers and the dot (.), dash (-) and underscode (_) characters only.": "Klasör ID uzun olmamalı (64 karakter ya da daha az). Sadece harf, rakam, nokta (.), kısa çizgi (-) ve alt çizgi (_) kullanabilirsiniz.",
+    "The folder ID must be unique.": "Klasör ID benzersiz olmalıdır.",
+    "The folder path cannot be blank.": "Klasör dizini boş bırakılamaz.",
+    "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "Kullanılan zaman aralıkları: ilk bir saat zarfında her 30 saniyede bir, ilk gün zarfında saatte bir, ilk 30 gün zarfında her gün, azami süreye kadar geçen zamanda ise her hafta yeni bir sürüm değeri oluşturulur/tutulur.",
+    "The following items could not be synchronized.": "Aşağıdaki öğelerin eşzamanlama işlemi gerçekleştirilemedi.",
+    "The maximum age must be a number and cannot be blank.": "Azami süre tanımı boş bırakılmamalı ve bir sayı olarak tanımlanmalıdır.",
+    "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "Bir sürümün tutulması için belirlenen azami süre (sürümleri sürekli olarak tutabilmek için 0 değeri atayın)",
+    "The minimum free disk space percentage must be a non-negative number between 0 and 100 (inclusive).": "Minimum boş disk alanı yüzde olarak 0 ve 100 (dahil) arasında kalan pozitif bir sayıyla tanımlanmalıdır.",
+    "The number of days must be a number and cannot be blank.": "Gün sayısı sayı olarak tanımlanmalıdır ve boş bırakılamaz.",
+    "The number of days to keep files in the trash can. Zero means forever.": "Dosyaları çöp kutusunda tutma süresini tanımlayan gün sayısı. Sıfır devamlı/sürekli anlamına gelir.",
+    "The number of old versions to keep, per file.": "Dosya başına saklanacak/tutulacak eski sürüm sayısı.",
+    "The number of versions must be a number and cannot be blank.": "Sürümlerin sayısı sayı olmalı ve boş bırakılamaz.",
+    "The path cannot be blank.": "Dizin yolu boş bırakılamaz.",
+    "The rate limit must be a non-negative number (0: no limit)": "Hız sınırı pozitif bir sayı olmalıdır. (0: sınırsız)",
+    "The rescan interval must be a non-negative number of seconds.": "Tarama zaman aralığı, saniye cinsinden negatif olmayan bir sayı olmalıdır.",
+    "They are retried automatically and will be synced when the error is resolved.": "Otomatik olarak yeniden deneniyor; hata giderildiğinde eşzamanlama gerçekleştirilecek.",
+    "This can easily give hackers access to read and change any files on your computer.": "Hacker'ların bilgisayarındaki dosyaları okuma ve değiştirme yetkisine kolayca erişebilmelerini sağlayabilir.",
+    "This is a major version upgrade.": "Birincil sürüm yükseltmesidir.",
+    "Trash Can File Versioning": "Çöp Kutusu Dosya Sürümleme",
+    "Unknown": "Bilinmiyor",
+    "Unshared": "Paylaşılmayan",
+    "Unused": "Kullanılmayan",
+    "Up to Date": "Güncel",
+    "Updated": "Güncellendi",
+    "Upgrade": "Sürüm Yükseltme",
+    "Upgrade To {%version%}": "{{version}} sürümüne yükselt",
+    "Upgrading": "Yükseltiliyor",
+    "Upload Rate": "Yükleme hızı",
+    "Uptime": "Etkin Hizmet Süresi",
+    "Use HTTPS for GUI": "GUI için HTTPS kullan",
+    "Version": "Sürüm",
+    "Versions Path": "Sürüm Dizin Yolu",
+    "Versions are automatically deleted if they are older than the maximum age or exceed the number of files allowed in an interval.": "Sürümler, tanımlı azami süre veya belirlenen zaman aralığı için izin verilen dosya sayısı aşılmışsa kendiliğinden silinir.",
+    "When adding a new device, keep in mind that this device must be added on the other side too.": "Yeni bir cihaz eklendiğinde, bu cihazın karşı tarafa da eklenmesi gerektiğini unutmayın.",
+    "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "Yeni bir klasör eklendiğinde, Klasör ID'nin klasörleri cihazlar arasında bağlantılandırmak için kullanıldığını unutmayın. Klasör ID'ler büyük - küçük harf duyarlıdır ve bütün cihazlarda tamı tamına eşleşmelidir.",
+    "Yes": "Evet",
+    "You must keep at least one version.": "En az bir sürümü tutmalısınız.",
+    "days": "günler",
+    "full documentation": "belgelendirme içeriğinin tümü",
+    "items": "öğeler",
+    "{%device%} wants to share folder \"{%folder%}\".": "{{device}}  \"{{folder}}\" klasörünü paylaşmak istiyor."
+}

gui/assets/lang/lang-uk.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "Пристрій з таким ID вже додано.",
     "A negative number of days doesn't make sense.": "Від'ємна кількість днів немає сенсу.",
     "A new major version may not be compatible with previous versions.": "Нова мажорна версія може бути несумісною із попередніми версіями.",
     "API Key": "API ключ",
@@ -151,6 +152,7 @@
     "Shared With": "Доступно для",
     "Short identifier for the folder. Must be the same on all cluster devices.": "Короткий ідентифікатор для директорії. Має бути однаковим на усіх  пристроях кластеру.",
     "Show ID": "Показати ID",
+    "Show QR": "Показати QR-код",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Показується замість ID пристрою в статусі кластера. Буде розголошено іншим вузлам як опціональне типове ім’я.",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Показується замість ID пристрою в статусі кластера. Буде оновлено ім’ям, яке розголошене пристроєм, якщо залишити порожнім.",
     "Shutdown": "Вимкнути",

gui/assets/lang/lang-vi.json

@@ -0,0 +1,227 @@
+{
+    "A device with that ID is already added.": "A device with that ID is already added.",
+    "A negative number of days doesn't make sense.": "Số ngày không thể âm.",
+    "A new major version may not be compatible with previous versions.": "Phiên bản quan trọng mới có thể sẽ không tương thích với các bản cũ.",
+    "API Key": "Khoá API",
+    "About": "Thông tin về",
+    "Actions": "Hành động",
+    "Add": "Thêm",
+    "Add Device": "Thêm thiết bị",
+    "Add Folder": "Thêm thư mục",
+    "Add new folder?": "Thêm thư mục mới?",
+    "Address": "Địa chỉ",
+    "Addresses": "Các địa chỉ",
+    "Advanced": "Nâng cao",
+    "Advanced Configuration": "Cấu hình nâng cao",
+    "All Data": "Tất cả dữ liệu",
+    "Allow Anonymous Usage Reporting?": "Cho phép báo cáo sử dụng ẩn danh?",
+    "Alphabetic": "A-Z",
+    "An external command handles the versioning. It has to remove the file from the synced folder.": "Một lệnh ngoại vi xử lý việc phiên bản hoá. Nó phải loại bỏ tập tin này khỏi thư mục đã đồng bộ.",
+    "Anonymous Usage Reporting": "Báo cáo sử dụng ẩn danh",
+    "Any devices configured on an introducer device will be added to this device as well.": "Bất kỳ thiết bị nào liên kết với thiết bị giới thiệu cũng sẽ được thêm vào.",
+    "Automatic upgrades": "Cập nhật tự động",
+    "Be careful!": "Cẩn thận!",
+    "Bugs": "Lỗi",
+    "CPU Utilization": "Mức sử dụng CPU",
+    "Changelog": "Lược sử thay đổi",
+    "Clean out after": "Dọn dẹp sau",
+    "Close": "Đóng",
+    "Command": "Lệnh",
+    "Comment, when used at the start of a line": "Bình luận, khi dùng trước đầu dòng",
+    "Compression": "Nén",
+    "Connection Error": "Lỗi kết nối",
+    "Copied from elsewhere": "Đã sao chép từ nơi khác",
+    "Copied from original": "Đã sao chép từ nguồn",
+    "Copyright © 2015 the following Contributors:": "Bản quyền © 2015 theo các nhà cộng tác sau:",
+    "Danger!": "Nguy hiểm!",
+    "Delete": "Xoá",
+    "Deleted": "Đã xoá",
+    "Device ID": "ID thiết bị",
+    "Device Identification": "Danh tính thiết bị",
+    "Device Name": "Tên thiết bị",
+    "Device {%device%} ({%address%}) wants to connect. Add new device?": "Thiết bị {{thiết bị}} ({{địa chỉ}}) muốn kết nối. Thêm thiết bị mới?",
+    "Devices": "Các thiết bị",
+    "Disconnected": "Đã ngắt kết nối",
+    "Discovery": "Dò tìm",
+    "Documentation": "Tài liệu",
+    "Download Rate": "Tốc độ tải xuống",
+    "Downloaded": "Đã tải xuống",
+    "Downloading": "Đang tải xuống",
+    "Edit": "Chỉnh sửa",
+    "Edit Device": "Chỉnh sửa thiết bị",
+    "Edit Folder": "Chỉnh sửa thư mục",
+    "Editing": "Đang chỉnh sửa",
+    "Enable UPnP": "Bật UPnP",
+    "Enter comma separated  (\"tcp://ip:port\", \"tcp://host:port\") addresses or \"dynamic\" to perform automatic discovery of the address.": "Nhập dấu phẩy ngăn cách các địa chỉ (\"tcp://ip:port\", \"tcp://host:port\")  hoặc \"dynamic\" để tiến hành dò tìm địa chỉ tự động.",
+    "Enter ignore patterns, one per line.": "Nhập quy luật bỏ qua, từng dòng một.",
+    "Error": "Lỗi",
+    "External File Versioning": "Phiên bản hoá tập tin ngoại vi",
+    "Failed Items": "Các nội dung bị lỗi",
+    "File Pull Order": "Thứ tự pull tập tin",
+    "File Versioning": "Phiên bản hoá tập tin",
+    "File permission bits are ignored when looking for changes. Use on FAT file systems.": "Các phần tử giấy phép tập tin sẽ được bỏ qua khi tìm kiếm thay đổi. Dùng trên hệ thống tập tin FAT.",
+    "Files are moved to .stversions folder when replaced or deleted by Syncthing.": "Các tập tin sẽ được chuyển tới thư mục .stversions khi bị thay thế hoặc xoá bởi Syncthing.",
+    "Files are moved to date stamped versions in a .stversions folder when replaced or deleted by Syncthing.": "Các tập tin sẽ được chuyển tới các phiên bản được đánh dấu ngày tháng trong thư mục .stversions khi bị thay thế hoặc xoá bởi Syncthing.",
+    "Files are protected from changes made on other devices, but changes made on this device will be sent to the rest of the cluster.": "Các tập tin sẽ được bảo vệ khỏi những thay đổi trên các thiết bị khác, nhưng những thay đổi trên thiết bị này sẽ được chuyển tới những máy còn lại trong cụm.",
+    "Folder": "Thư mục",
+    "Folder ID": "ID thư mục",
+    "Folder Master": "Thư mục chính",
+    "Folder Path": "Đường dẫn thư mục",
+    "Folders": "Các thư mục",
+    "GUI": "GUI",
+    "GUI Authentication Password": "Mật khẩu xác minh GUI",
+    "GUI Authentication User": "Người dùng xác minh GUI",
+    "GUI Listen Addresses": "Các địa chỉ lắng nghe GUI",
+    "Generate": "Tạo mới",
+    "Global Discovery": "Dò tìm toàn cầu",
+    "Global Discovery Server": "Máy chủ dò tìm toàn cầu",
+    "Global State": "Hiện trạng toàn cầu",
+    "Help": "Trợ giúp",
+    "Home page": "Trang chủ",
+    "Ignore": "Bỏ qua",
+    "Ignore Patterns": "Bỏ qua các quy luật",
+    "Ignore Permissions": "Bỏ qua các giấy phép ",
+    "Incoming Rate Limit (KiB/s)": "Giới hạn tốc độ đầu vào (KiB/s)",
+    "Incorrect configuration may damage your folder contents and render Syncthing inoperable.": "Cấu hình không đúng có thể gây mất mát nội dung và khiến Syncthing dừng hoạt động.",
+    "Introducer": "Thiết bị giới thiệu",
+    "Inversion of the given condition (i.e. do not exclude)": "Đảo ngược điều kiện cho trước (ví dụ: không được loại trừ)",
+    "Keep Versions": "Giữ các phiên bản",
+    "Largest First": "Lớn nhất trước tiên",
+    "Last File Received": "Tập tin nhận cuối cùng",
+    "Last seen": "Thấy lần cuối",
+    "Later": "Để sau",
+    "Local Discovery": "Dò tìm cục bộ",
+    "Local State": "Trạng thái cục bộ",
+    "Local State (Total)": "Trạng thái cục bộ (Tổng)",
+    "Major Upgrade": "Bản nâng cấp quan trọng",
+    "Maximum Age": "Thời hạn tối đa",
+    "Metadata Only": "Chỉ siêu dữ liệu",
+    "Minimum Free Disk Space": "Dung lượng ổ đĩa trống tối thiểu",
+    "Move to top of queue": "Chuyển đến đầu hàng chờ",
+    "Multi level wildcard (matches multiple directory levels)": "Ký tự thay thế đa cấp (phù hợp với đa cấp độ thư mục)",
+    "Never": "Không bao giờ",
+    "New Device": "Thiết bị mới",
+    "New Folder": "Thư mục mới",
+    "Newest First": "Mới nhất đầu tiên",
+    "No": "Không",
+    "No File Versioning": "Không phiên bản hoá tập tin",
+    "Notice": "Chú ý",
+    "OK": "OK",
+    "Off": "Tắt",
+    "Oldest First": "Cũ nhất đầu tiên",
+    "Options": "Tuỳ chọn",
+    "Out of Sync": "Mất đồng bộ",
+    "Out of Sync Items": "Các nội dung mất đồng bộ",
+    "Outgoing Rate Limit (KiB/s)": "Giới hạn tốc độ đầu ra (KiB/s)",
+    "Override Changes": "Ghi đè các thay đổi",
+    "Path to the folder on the local computer. Will be created if it does not exist. The tilde character (~) can be used as a shortcut for": "Đường dẫn đến thư mục trên máy tính cục bộ. Sẽ tạo mới nếu chưa có sẵn. Dấu ngã (~) có thể được dùng làm lối tắt",
+    "Path where versions should be stored (leave empty for the default .stversions folder in the folder).": "Đường dẫn nơi các phiên bản được lưu trữ (để trống cho thư mục mặc định .stversions).",
+    "Pause": "Tạm dừng",
+    "Paused": "Đã tạm dừng",
+    "Please consult the release notes before performing a major upgrade.": "Hãy xem kỹ lược sử phát hành trước khi tiến hành bản cập nhật quan trọng.",
+    "Please set a GUI Authentication User and Password in the Settings dialog.": "Hãy thiết lập tên người dùng và mật khẩu xác minh GUI trong hộp thoại Cài đặt.",
+    "Please wait": "Xin chờ",
+    "Preview": "Xem trước",
+    "Preview Usage Report": "Xem trước báo cáo sử dụng",
+    "Quick guide to supported patterns": "Hướng dẫn sơ lược về các quy luật được hỗ trợ",
+    "RAM Utilization": "Mức sử dụng RAM",
+    "Random": "Ngẫu nhiên",
+    "Relayed via": "Chuyển tiếp qua",
+    "Relays": "Các máy chuyển tiếp",
+    "Release Notes": "Lược sử phát hành",
+    "Remove": "Loại bỏ",
+    "Rescan": "Quét lại",
+    "Rescan All": "Quét lại tất cả",
+    "Rescan Interval": "Khoảng cách thời gian quét lại",
+    "Restart": "Khởi động lại",
+    "Restart Needed": "Cần khởi động lại",
+    "Restarting": "Đang khởi động lại",
+    "Resume": "Tiếp tục",
+    "Reused": "Đã dùng lại",
+    "Save": "Sao lưu",
+    "Scan Time Remaining": "Thời gian quét còn lại",
+    "Scanning": "Đang quét",
+    "Select the devices to share this folder with.": "Chọn các thiết bị để chia sẻ thư mục này.",
+    "Select the folders to share with this device.": "Chọn các thư mục để chia sẻ với thiết bị này.",
+    "Settings": "Cài đặt",
+    "Share": "Chia sẻ",
+    "Share Folder": "Chia sẻ thư mục",
+    "Share Folders With Device": "Chia sẻ các thư mục với thiết bị",
+    "Share With Devices": "Chia sẻ với các thiết bị",
+    "Share this folder?": "Chia sẻ thư mục này?",
+    "Shared With": "Đã chia sẻ với",
+    "Short identifier for the folder. Must be the same on all cluster devices.": "Tên tắt cho thư mục. Phải trùng khớp trên tất cả thiết bị trong cụm.",
+    "Show ID": "Hiển thị ID",
+    "Show QR": "Show QR",
+    "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "Hiển thị thay cho ID thiết bị trong trạng thái cụm. Sẽ được giới thiệu đến các thiết bị khác như tên mặc định tuỳ chọn.",
+    "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "Hiển thị thay cho ID thiết bị trong trạng thái cụm. Nếu để trống sẽ được cập nhật thành tên mà thiết bị giới thiệu.",
+    "Shutdown": "Đóng",
+    "Shutdown Complete": "Hoàn tất đóng",
+    "Simple File Versioning": "Phiên bản hoá tập tin dạng đơn giản",
+    "Single level wildcard (matches within a directory only)": "Ký tự thay thế đơn cấp (phù hợp với chỉ một thư mục)",
+    "Smallest First": "Nhỏ nhất đầu tiên",
+    "Source Code": "Mã nguồn",
+    "Staggered File Versioning": "Phiên bản hoá tập tin theo thời gian",
+    "Start Browser": "Mở trình duyệt",
+    "Statistics": "Thống kê",
+    "Stopped": "Đã dừng",
+    "Support": "Hỗ trợ",
+    "Sync Protocol Listen Addresses": "Đồng bộ các địa chỉ lắng nghe giao thức",
+    "Syncing": "Đang đồng bộ",
+    "Syncthing has been shut down.": "Đã đóng Syncthing.",
+    "Syncthing includes the following software or portions thereof:": "Syncthing bao gồm phần mềm hoặc các phần tử của phần mềm sau:",
+    "Syncthing is restarting.": "Syncthing đang khởi động lại.",
+    "Syncthing is upgrading.": "Syncthing đang nâng cấp.",
+    "Syncthing seems to be down, or there is a problem with your Internet connection. Retrying…": "Có vẻ như Syncthing đang bị nghẽn hoặc là mạng của bạn có vấn đề. Đang thử lại...",
+    "Syncthing seems to be experiencing a problem processing your request. Please refresh the page or restart Syncthing if the problem persists.": "Có vẻ như Syncthing đang gặp phải vấn đề khi xử lý yêu cầu của bạn. Xin làm mới trang hoặc khởi động lại Syncthing nếu vấn đề vẫn còn tiếp diễn.",
+    "The Syncthing admin interface is configured to allow remote access without a password.": "Giao diện quản trị của Syncthing được cấu hình nhằm cho phép truy cập từ xa không cần mật mã.",
+    "The aggregated statistics are publicly available at {%url%}.": "Thống kê tổng hợp được đăng công khai trên {{url}}.",
+    "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "Cấu hình đã được lưu nhưng chưa được kích hoạt. Syncthing phải khởi động lại để kích hoạt cấu hình mới. ",
+    "The device ID cannot be blank.": "ID thiết bị không thể trống.",
+    "The device ID to enter here can be found in the \"Edit > Show ID\" dialog on the other device. Spaces and dashes are optional (ignored).": "ID thiết bị cần nhập có thể được tìm thấy trong hộp thoại \"Chỉnh sửa > Hiển thị ID\" trên thiết bị kia. Khoảng trắng và gạch ngang là tuỳ chọn (bỏ qua).",
+    "The encrypted usage report is sent daily. It is used to track common platforms, folder sizes and app versions. If the reported data set is changed you will be prompted with this dialog again.": "Báo cáo sử dụng đã mã khoá sẽ được gửi đi hằng ngày. Nó được dùng để thu thập số liệu về các hệ điều hành phổ biến, kích cỡ thư mục và phiên bản ứng dụng. Nếu bộ dữ liệu báo cáo có thay đổi, bạn sẽ được nhắc nhở thông qua hộp thoại này.",
+    "The entered device ID does not look valid. It should be a 52 or 56 character string consisting of letters and numbers, with spaces and dashes being optional.": "ID thiết bị đã nhập không hợp lệ. Nó phải là một chuỗi từ 52 đến 56 ký tự, bao gồm chữ cái và các con số, với khoảng trắng và gạch ngang là tuỳ chọn.",
+    "The first command line parameter is the folder path and the second parameter is the relative path in the folder.": "Tham số dòng lệnh đầu tiên là đường dẫn thư mục và tham số thứ hai là đường dẫn tương đối trong thư mục.",
+    "The folder ID cannot be blank.": "ID thư mục không thể trống.",
+    "The folder ID must be a short identifier (64 characters or less) consisting of letters, numbers and the dot (.), dash (-) and underscode (_) characters only.": "ID thư mục phải là một tên tắt (64 ký tự hoặc ít hơn) chỉ bao gồm chữ cái, các con số và dấu chấm (.), gạch ngang (-) và gạch chân (_).",
+    "The folder ID must be unique.": "ID thư mục phải là duy nhất.",
+    "The folder path cannot be blank.": "Đường dẫn thư mục không thể trống.",
+    "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "Các khoảng thời gian sau đây được sử dụng: một phiên bản, trong giờ đầu tiên, được giữ lại mỗi 30 giây, trong ngày đầu tiên là mỗi giờ, trong 30 ngày đầu tiên là mỗi ngày, cho đến khi thời hạn tối đa mỗi phiên bản được giữ lại là mỗi tuần. ",
+    "The following items could not be synchronized.": "Những nội dung sau không thể đồng bộ được.",
+    "The maximum age must be a number and cannot be blank.": "Thời hạn tối đa phải là một con số và không thể để trống.",
+    "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "Thời gian tối đa phiên bản được giữ lại (tính bằng ngày, từ 0 đến mãi mãi).",
+    "The minimum free disk space percentage must be a non-negative number between 0 and 100 (inclusive).": "Phần trăm dung lượng ổ đĩa còn trống tối thiểu phải là một số không âm (trong khoảng) từ 0 đến 100.",
+    "The number of days must be a number and cannot be blank.": "Số ngày phải là một con số và không thể để trống.",
+    "The number of days to keep files in the trash can. Zero means forever.": "Số ngày giữ tập tin trong thùng rác. Số 0 nghĩa là mãi mãi.",
+    "The number of old versions to keep, per file.": "Số phiên bản cũ cần giữ, với mỗi tập tin.",
+    "The number of versions must be a number and cannot be blank.": "Số phiên bản phải là một con số và không thể để trống.",
+    "The path cannot be blank.": "Đường dẫn không thể trống.",
+    "The rate limit must be a non-negative number (0: no limit)": "Giới hạn tốc độ phải là một số không âm (0: không giới hạn)",
+    "The rescan interval must be a non-negative number of seconds.": "Khoảng thời gian quét lại phải là một số giây không âm. ",
+    "They are retried automatically and will be synced when the error is resolved.": "Chúng sẽ được tự động thử lại và đồng bộ khi lỗi được khắc phục.",
+    "This can easily give hackers access to read and change any files on your computer.": "Thao tác này có thể khiến tin tặc truy cập để đọc và thay đổi bất kỳ tập tin nào trên máy tính của bạn một cách dễ dàng.",
+    "This is a major version upgrade.": "Đây là bản nâng cấp quan trọng.",
+    "Trash Can File Versioning": "Phiên bản hoá tập tin trong thùng rác",
+    "Unknown": "Không biết",
+    "Unshared": "Chưa chia sẻ",
+    "Unused": "Chưa sử dụng",
+    "Up to Date": "Đã cập nhật",
+    "Updated": "Đã cập nhật",
+    "Upgrade": "Nâng cấp",
+    "Upgrade To {%version%}": "Nâng cấp lên {{phiên bản}}",
+    "Upgrading": "Đang nâng cấp",
+    "Upload Rate": "Tốc độ tải lên",
+    "Uptime": "Thời gian hoạt động",
+    "Use HTTPS for GUI": "Sử dụng HTTPS cho GUI",
+    "Version": "Phiên bản",
+    "Versions Path": "Đường dẫn các phiên bản",
+    "Versions are automatically deleted if they are older than the maximum age or exceed the number of files allowed in an interval.": "Các phiên bản sẽ tự động được xoá nếu chúng cũ hơn thời hạn tối đa hoặc vượt quá số tập tin cho phép trong một khoảng thời gian.",
+    "When adding a new device, keep in mind that this device must be added on the other side too.": "Khi thêm một thiết bị mới, hãy nhớ rằng thiết bị này cũng được thêm vào máy khác.",
+    "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "Khi thêm một thư mục mới, hãy nhớ rằng ID thư mục được dùng để gắn kết thư mục giữa các thiết bị với nhau. Chúng phải chính xác từng chữ, cả viết hoa và thường giữa tất cả thiết bị.",
+    "Yes": "Có",
+    "You must keep at least one version.": "Bạn phải giữ ít nhất một phiên bản.",
+    "days": "ngày",
+    "full documentation": "tài liệu đầy đủ",
+    "items": "các nội dung",
+    "{%device%} wants to share folder \"{%folder%}\".": "{{thiết bị}} muốn chia sẻ thư mục \"{{thư mục}}\"."
+}

gui/assets/lang/lang-zh-CN.json

@@ -1,5 +1,6 @@
 {
-    "A negative number of days doesn't make sense.": "天数不能为负。",
+    "A device with that ID is already added.": "您已添加过该设备",
+    "A negative number of days doesn't make sense.": "天数不能为负",
     "A new major version may not be compatible with previous versions.": "重大更新可能与之前的版本之间无法兼容",
     "API Key": "API Key",
     "About": "关于",
@@ -20,7 +21,7 @@
     "Any devices configured on an introducer device will be added to this device as well.": "在介绍人设备上被添加的其它设备，也将会被添加到本机。",
     "Automatic upgrades": "自动升级",
     "Be careful!": "小心！",
-    "Bugs": "Bug汇报",
+    "Bugs": "问题回报",
     "CPU Utilization": "CPU使用率",
     "Changelog": "更新日志",
     "Clean out after": "在该时间后清除：",
@@ -68,12 +69,12 @@
     "Folder Path": "文件夹路径",
     "Folders": "文件夹",
     "GUI": "图形界面",
-    "GUI Authentication Password": "登陆web管理页面的密码",
-    "GUI Authentication User": "登陆web管理页面的用户名",
-    "GUI Listen Addresses": "web管理页面监听地址",
+    "GUI Authentication Password": "图形管理界面密码",
+    "GUI Authentication User": "图形管理界面用户名",
+    "GUI Listen Addresses": "图形管理界面监听地址",
     "Generate": "生成",
     "Global Discovery": "在互联网上寻找设备\n",
-    "Global Discovery Server": "用以在互联网上寻找设备的Announce服务器地址",
+    "Global Discovery Server": "全球发现服务器",
     "Global State": "全局状态",
     "Help": "帮助",
     "Home page": "主页",
@@ -138,7 +139,7 @@
     "Resume": "恢复",
     "Reused": "复用",
     "Save": "保存",
-    "Scan Time Remaining": "Scan Time Remaining",
+    "Scan Time Remaining": "扫描剩余时间",
     "Scanning": "扫描中",
     "Select the devices to share this folder with.": "选择将本文件夹共享给哪些设备",
     "Select the folders to share with this device.": "选择与该设备共享的文件夹。",
@@ -150,7 +151,8 @@
     "Share this folder?": "是否共享该文件夹？",
     "Shared With": "共享给",
     "Short identifier for the folder. Must be the same on all cluster devices.": "文件夹的别名。必须在所有设备上保持一致。",
-    "Show ID": "显示设备标示",
+    "Show ID": "显示设备标识",
+    "Show QR": "显示二维码",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "在设备丛中，显示该名称，而不是设备标识。亦会作为一个可选的默认名称被发送到其他设备。",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "在设备丛中，将会显示本名称，而不是设备标识。如果设置为空，则会使用目标设备提供的默认名称。",
     "Shutdown": "关闭 Syncthing",
@@ -172,7 +174,7 @@
     "Syncthing is upgrading.": "Syncthing 正在升级",
     "Syncthing seems to be down, or there is a problem with your Internet connection. Retrying…": "Syncthing 似乎关闭了，或者您的网络连接存在故障。重试中...",
     "Syncthing seems to be experiencing a problem processing your request. Please refresh the page or restart Syncthing if the problem persists.": "Syncthing 在处理您的请求时似乎遇到了问题。如果问题持续，请刷新页面，或重启 Syncthing。",
-    "The Syncthing admin interface is configured to allow remote access without a password.": "The Syncthing admin interface is configured to allow remote access without a password.",
+    "The Syncthing admin interface is configured to allow remote access without a password.": "当前配置允许在不使用密码的情况下远程访问 Syncthing 管理界面",
     "The aggregated statistics are publicly available at {%url%}.": "全局统计公布于 {{url}}",
     "The configuration has been saved but not activated. Syncthing must restart to activate the new configuration.": "设置已经保存，但是还未生效。Syncthing 需要重启以启用新的设置。",
     "The device ID cannot be blank.": "设备标识不能为空",
@@ -184,7 +186,7 @@
     "The folder ID must be a short identifier (64 characters or less) consisting of letters, numbers and the dot (.), dash (-) and underscode (_) characters only.": "文件夹标识不得长于 64 字符，且仅能包含字母、数字、半角句号（.）、横线（-）和下划线（_）。",
     "The folder ID must be unique.": "文件夹标识不得重复",
     "The folder path cannot be blank.": "文件夹路径不能为空",
-    "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "保留的历史版本会满足以下条件：最近一小时内的历史版本，更新间隔小于30秒的仅保留一份。最近一天内的历史版本，更新间隔小于1小时的仅保留一份。最近一个月内的历史版本，更新间隔小于1天的仅保留一份。距离现在超过一个月且小于最长保留时间的，更新间隔小于1周的仅保留一份。",
+    "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "保留的历史版本会遵循以下条件：最近一小时内的历史版本，更新间隔小于三十秒的仅保留一份。最近一天内的历史版本，更新间隔小于一小时的仅保留一份。最近一个月内的历史版本，更新间隔小于一天的仅保留一份。距离现在超过一个月且小于最长保留时间的，更新间隔小于一周的仅保留一份。",
     "The following items could not be synchronized.": "下列项目无法被同步。",
     "The maximum age must be a number and cannot be blank.": "最长保留时间必须为数字，且不能为空。",
     "The maximum time to keep a version (in days, set to 0 to keep versions forever).": "历史版本保留的最长天数，0为永久保存",
@@ -197,8 +199,8 @@
     "The rate limit must be a non-negative number (0: no limit)": "传输速度限制为非负整数（0 表示不限制）",
     "The rescan interval must be a non-negative number of seconds.": "扫描间隔单位为秒，且不能为负数。",
     "They are retried automatically and will be synced when the error is resolved.": "系统将会自动重试，当错误被解决时，它们将会被同步。",
-    "This can easily give hackers access to read and change any files on your computer.": "This can easily give hackers access to read and change any files on your computer.",
-    "This is a major version upgrade.": "这是一个重大版本更新。",
+    "This can easily give hackers access to read and change any files on your computer.": "这会让骇客能够轻而易举地访问及修改您的文件",
+    "This is a major version upgrade.": "这是一个重大版本更新",
     "Trash Can File Versioning": "回收站式版本控制",
     "Unknown": "未知",
     "Unshared": "未共享",
@@ -210,14 +212,14 @@
     "Upgrading": "升级中",
     "Upload Rate": "上传速度",
     "Uptime": "已启动",
-    "Use HTTPS for GUI": "使用HTTPS连接web管理页面",
+    "Use HTTPS for GUI": "使用加密连接到图形管理页面",
     "Version": "版本",
     "Versions Path": "历史版本路径",
     "Versions are automatically deleted if they are older than the maximum age or exceed the number of files allowed in an interval.": "超过最长保留时间，或者不满足下列条件的历史版本，将会被删除。",
     "When adding a new device, keep in mind that this device must be added on the other side too.": "若您在本机添加新设备，记住您也必须在这个设备上添加本机。",
     "When adding a new folder, keep in mind that the Folder ID is used to tie folders together between devices. They are case sensitive and must match exactly between all devices.": "若你添加了新文件夹，记住文件夹标识是用以在不同设备间建立联系的。在不同设备间拥有相同标识的文件夹将会被同步。且文件夹标识大小写敏感。",
     "Yes": "是",
-    "You must keep at least one version.": "您必须保留至少一个版本。",
+    "You must keep at least one version.": "您必须保留至少一个版本",
     "days": "天",
     "full documentation": "完整文档",
     "items": "条目",

gui/assets/lang/lang-zh-TW.json

@@ -1,4 +1,5 @@
 {
+    "A device with that ID is already added.": "A device with that ID is already added.",
     "A negative number of days doesn't make sense.": "一個負的天數並不合理。",
     "A new major version may not be compatible with previous versions.": "一個新的主要版本可能與以前的版本並不相容。",
     "API Key": "API 金鑰",
@@ -151,6 +152,7 @@
     "Shared With": "與誰共享",
     "Short identifier for the folder. Must be the same on all cluster devices.": "資料夾的簡短識別字。必須在叢集內所有的裝置上皆相同。",
     "Show ID": "顯示識別碼",
+    "Show QR": "Show QR",
     "Shown instead of Device ID in the cluster status. Will be advertised to other devices as an optional default name.": "代替裝置識別碼顯示在叢集狀態中。這段文字將會廣播到其他的裝置作為一個可選的預設名稱。",
     "Shown instead of Device ID in the cluster status. Will be updated to the name the device advertises if left empty.": "代替裝置識別碼顯示在叢集狀態中。本欄若未填寫則將被更新為此裝置所廣播的名稱。",
     "Shutdown": "關閉",

gui/assets/lang/prettyprint.js

@@ -1 +1 @@
-var langPrettyprint = {"bg":"Bulgarian","ca":"Catalan","ca@valencia":"Catalan (Valencian)","cs":"Czech","de":"German","el":"Greek","en":"English","en-GB":"English (United Kingdom)","es":"Spanish","es-ES":"Spanish (Spain)","fi":"Finnish","fr":"French","fr-CA":"French (Canada)","fy":"Western Frisian","hu":"Hungarian","it":"Italian","ja":"Japanese","ko-KR":"Korean (Korea)","lt":"Lithuanian","nb":"Norwegian Bokmål","nl":"Dutch","nn":"Norwegian Nynorsk","pl":"Polish","pt-BR":"Portuguese (Brazil)","pt-PT":"Portuguese (Portugal)","ro-RO":"Romanian (Romania)","ru":"Russian","sv":"Swedish","uk":"Ukrainian","zh-CN":"Chinese (China)","zh-TW":"Chinese (Taiwan)"}
+var langPrettyprint = {"bg":"Bulgarian","ca":"Catalan","ca@valencia":"Catalan (Valencian)","cs":"Czech","da":"Danish","de":"German","el":"Greek","en":"English","en-GB":"English (United Kingdom)","es":"Spanish","es-ES":"Spanish (Spain)","fi":"Finnish","fr":"French","fr-CA":"French (Canada)","fy":"Western Frisian","hu":"Hungarian","it":"Italian","ja":"Japanese","ko-KR":"Korean (Korea)","lt":"Lithuanian","nb":"Norwegian Bokmål","nl":"Dutch","nn":"Norwegian Nynorsk","pl":"Polish","pt-BR":"Portuguese (Brazil)","pt-PT":"Portuguese (Portugal)","ro-RO":"Romanian (Romania)","ru":"Russian","sv":"Swedish","tr":"Turkish","uk":"Ukrainian","vi":"Vietnamese","zh-CN":"Chinese (China)","zh-TW":"Chinese (Taiwan)"}

gui/assets/lang/valid-langs.js

@@ -1 +1 @@
-var validLangs = ["bg","ca","ca@valencia","cs","de","el","en","en-GB","es","es-ES","fi","fr","fr-CA","fy","hu","it","ja","ko-KR","lt","nb","nl","nn","pl","pt-BR","pt-PT","ro-RO","ru","sv","uk","zh-CN","zh-TW"]
+var validLangs = ["bg","ca","ca@valencia","cs","da","de","el","en","en-GB","es","es-ES","fi","fr","fr-CA","fy","hu","it","ja","ko-KR","lt","nb","nl","nn","pl","pt-BR","pt-PT","ro-RO","ru","sv","tr","uk","vi","zh-CN","zh-TW"]

gui/index.html

@@ -15,6 +15,7 @@
   <meta name="description" content="">
   <meta name="author" content="">
   <link rel="shortcut icon" href="assets/img/favicon.png">
+  <link rel="mask-icon" href="assets/img/safari-pinned-tab.svg" color="#0882c8">
 
   <title ng-bind="thisDeviceName() + ' | Syncthing'"></title>
   <link href="vendor/bootstrap/css/bootstrap.min.css" rel="stylesheet">
@@ -51,7 +52,7 @@
           <a href="#" class="dropdown-toggle" data-toggle="dropdown"><span class="fa fa-cog"></span>&nbsp;<span translate>Actions</span> <span class="caret"></span></a>
           <ul class="dropdown-menu">
             <li><a href="" ng-click="editSettings()"><span class="fa fa-fw fa-cog"></span>&nbsp;<span translate>Settings</span></a></li>
-            <li><a href="" ng-click="idDevice()"><span class="fa fa-fw fa-qrcode"></span>&nbsp;<span translate>Show ID</span></a></li>
+            <li><a href="" ng-click="idDevice(thisDevice())"><span class="fa fa-fw fa-qrcode"></span>&nbsp;<span translate>Show ID</span></a></li>
             <li class="divider"></li>
             <li><a href="" ng-click="shutdown()"><span class="fa fa-fw fa-power-off"></span>&nbsp;<span translate>Shutdown</span></a></li>
             <li><a href="" ng-click="restart()"><span class="fa fa-fw fa-refresh"></span>&nbsp;<span translate>Restart</span></a></li>
@@ -121,21 +122,22 @@
         <div class="panel panel-warning">
           <div class="panel-heading">
             <h3 class="panel-title">
-              <identicon data-value="device"></identicon>&nbsp;<span translate>New Device</span>
+              <identicon data-value="device"></identicon>
+              <span translate>New Device</span>
+              <span class="pull-right">{{ event.time | date:"yyyy-MM-dd HH:mm:ss" }}</span>
             </h3>
           </div>
           <div class="panel-body">
             <p>
-              <small>{{ event.time | date:"yyyy-MM-dd HH:mm:ss" }}:</small>
               <span translate translate-value-device="{{ device }}" translate-value-address="{{ event.data.address }}">
                 Device {%device%} ({%address%}) wants to connect. Add new device?
-              <span>
+              </span>
             </p>
           </div>
           <div class="panel-footer clearfix">
             <div class="pull-right">
-              <button type="button" class="btn btn-sm btn-success" ng-click="addNewDeviceID(device)">
-                <span class="fa fa-check"></span>&nbsp;<span translate>Add</span>
+              <button type="button" class="btn btn-sm btn-success" ng-click="addDevice(device)">
+                <span class="fa fa-plus"></span>&nbsp;<span translate>Add Device</span>
               </button>
               <button type="button" class="btn btn-sm btn-danger" ng-click="ignoreRejectedDevice(device)">
                 <span class="fa fa-times"></span>&nbsp;<span translate>Ignore</span>
@@ -158,11 +160,11 @@
             <h3 class="panel-title"><span class="fa fa-folder"></span>
               <span translate ng-if="!folders[event.data.folder]">New Folder</span>
               <span translate ng-if="folders[event.data.folder]">Share Folder</span>
+              <span class="pull-right">{{ event.time | date:"yyyy-MM-dd HH:mm:ss" }}</span>
             </h3>
           </div>
           <div class="panel-body">
             <p>
-              <small>{{ event.time | date:"yyyy-MM-dd HH:mm:ss" }}:</small>
               <span translate translate-value-device="{{ deviceName(findDevice(event.data.device)) }}" translate-value-folder="{{ event.data.folder }}">
                 {%device%} wants to share folder "{%folder%}".
               </span>

gui/syncthing/core/aboutModalView.html

@@ -15,6 +15,7 @@
         <li class="auto-generated">Aaron Bieber</li>
         <li class="auto-generated">Adam Piggott</li>
         <li class="auto-generated">Alexander Graf</li>
+        <li class="auto-generated">Anderson Mesquita</li>
         <li class="auto-generated">Andrew Dunham</li>
         <li class="auto-generated">Antony Male</li>
         <li class="auto-generated">Arthur Axel fREW Schmidt</li>
@@ -46,6 +47,7 @@
         <li class="auto-generated">Francois-Xavier Gsell</li>
         <li class="auto-generated">Frank Isemann</li>
         <li class="auto-generated">Gilli Sigurdsson</li>
+        <li class="auto-generated">Jaakko Hannikainen</li>
         <li class="auto-generated">Jacek Szafarkiewicz</li>
         <li class="auto-generated">Jake Peterson</li>
         <li class="auto-generated">Jakob Borg</li>
@@ -56,6 +58,7 @@
         <li class="auto-generated">Johan Vromans</li>
         <li class="auto-generated">Karol Różycki</li>
         <li class="auto-generated">Ken'ichi Kamada</li>
+        <li class="auto-generated">Kevin Allen</li>
         <li class="auto-generated">Lode Hoste</li>
         <li class="auto-generated">Lord Landon Agahnim</li>
         <li class="auto-generated">Marc Laporte</li>
@@ -66,6 +69,7 @@
         <li class="auto-generated">Michael Jephcote</li>
         <li class="auto-generated">Michael Ploujnikov</li>
         <li class="auto-generated">Michael Tilli</li>
+        <li class="auto-generated">Nate Morrison</li>
         <li class="auto-generated">Pascal Jungblut</li>
         <li class="auto-generated">Peter Hoeg</li>
         <li class="auto-generated">Philippe Schommers</li>
@@ -84,6 +88,7 @@
         <li class="auto-generated">Veeti Paananen</li>
         <li class="auto-generated">Victor Buinsky</li>
         <li class="auto-generated">Vil Brekin</li>
+        <li class="auto-generated">William A. Kennington III</li>
         <li class="auto-generated">Yannic A.</li>
       </ul>
     </div>

gui/syncthing/core/syncthingController.js

@@ -353,6 +353,7 @@ angular.module('syncthing.core')
             $scope.config = config;
             $scope.config.options._listenAddressStr = $scope.config.options.listenAddress.join(', ');
             $scope.config.options._globalAnnounceServersStr = $scope.config.options.globalAnnounceServers.join(', ');
+            $scope.config.options._relayServersStr = $scope.config.options.relayServers.join(', ');
 
             $scope.devices = $scope.config.devices;
             $scope.devices.forEach(function (deviceCfg) {
@@ -890,7 +891,7 @@ angular.module('syncthing.core')
                 $scope.config.options = angular.copy($scope.tmpOptions);
                 $scope.config.gui = angular.copy($scope.tmpGUI);
 
-                ['listenAddress', 'globalAnnounceServers'].forEach(function (key) {
+                ['listenAddress', 'globalAnnounceServers', 'relayServers'].forEach(function (key) {
                     $scope.config.options[key] = $scope.config.options["_" + key + "Str"].split(/[ ,]+/).map(function (x) {
                         return x.trim();
                     });
@@ -966,17 +967,20 @@ angular.module('syncthing.core')
             $('#editDevice').modal();
         };
 
-        $scope.idDevice = function () {
+        $scope.idDevice = function (deviceCfg) {
+            $scope.currentDevice = deviceCfg;
+            $('#editDevice').modal('hide');
             $('#idqr').modal('show');
         };
 
-        $scope.addDevice = function () {
-            $http.get(urlbase + '/system/discovery')
+        $scope.addDevice = function (deviceID) {
+            return $http.get(urlbase + '/system/discovery')
                 .success(function (registry) {
                     $scope.discovery = registry;
                 })
                 .then(function () {
                     $scope.currentDevice = {
+                        deviceID: deviceID,
                         _addressesStr: 'dynamic',
                         compression: 'metadata',
                         introducer: false,
@@ -1016,18 +1020,7 @@ angular.module('syncthing.core')
         $scope.saveDevice = function () {
             $('#editDevice').modal('hide');
             $scope.saveDeviceConfig($scope.currentDevice);
-        };
-
-        $scope.addNewDeviceID = function (device) {
-            var deviceCfg = {
-                deviceID: device,
-                _addressesStr: 'dynamic',
-                compression: 'metadata',
-                introducer: false,
-                selectedFolders: {}
-            };
-            $scope.saveDeviceConfig(deviceCfg);
-            $scope.dismissDeviceRejection(device);
+            $scope.dismissDeviceRejection($scope.currentDevice.deviceID);
         };
 
         $scope.saveDeviceConfig = function (deviceCfg) {
@@ -1208,7 +1201,7 @@ angular.module('syncthing.core')
             };
             $scope.currentFolder.rescanIntervalS = 60;
             $scope.currentFolder.minDiskFreePct = 1;
-            $scope.currentFolder.maxConflicts = -1;
+            $scope.currentFolder.maxConflicts = 10;
             $scope.currentFolder.order = "random";
             $scope.currentFolder.fileVersioningSelector = "none";
             $scope.currentFolder.trashcanClean = 0;
@@ -1230,7 +1223,7 @@ angular.module('syncthing.core')
                 selectedDevices: {},
                 rescanIntervalS: 60,
                 minDiskFreePct: 1,
-                maxConflicts: -1,
+                maxConflicts: 10,
                 order: "random",
                 fileVersioningSelector: "none",
                 trashcanClean: 0,
@@ -1521,6 +1514,9 @@ angular.module('syncthing.core')
                 '386': '32 bit',
                 'amd64': '64 bit',
                 'arm': 'ARM',
+                'arm64': 'AArch64',
+                'ppc64': 'PowerPC',
+                'ppc64le': 'PowerPC (LE)',
             }[$scope.version.arch] || $scope.version.arch;
 
             return $scope.version.version + ', ' + os + ' (' + arch + ')';

gui/syncthing/core/validDeviceidDirective.js

@@ -15,6 +15,15 @@ angular.module('syncthing.core')
                                 ctrl.$setValidity('validDeviceid', true);
                             }
                         });
+                        //Prevents user from adding a duplicate ID
+                        var matches = scope.devices.filter(function (n) {
+                            return n.deviceID == viewValue;
+                        }).length;
+                        if (matches > 0) {
+                            ctrl.$setValidity('unique', false);
+                        } else {
+                            ctrl.$setValidity('unique', true);
+                        }
                     }
                     return viewValue;
                 });

gui/syncthing/device/editDeviceModalView.html

@@ -21,6 +21,7 @@
               <span translate ng-show="!editingExisting && (deviceEditor.deviceID.$valid || deviceEditor.deviceID.$pristine)">When adding a new device, keep in mind that this device must be added on the other side too.</span>
               <span translate ng-if="deviceEditor.deviceID.$error.required && deviceEditor.deviceID.$dirty">The device ID cannot be blank.</span>
               <span translate ng-if="deviceEditor.deviceID.$error.validDeviceid && deviceEditor.deviceID.$dirty">The entered device ID does not look valid. It should be a 52 or 56 character string consisting of letters and numbers, with spaces and dashes being optional.</span>
+              <span translate ng-if="deviceEditor.deviceID.$error.unique && deviceEditor.deviceID.$dirty">A device with that ID is already added.</span>
             </p>
           </div>
           <div class="form-group">
@@ -75,6 +76,9 @@
         <button type="button" class="btn btn-primary btn-sm" ng-click="saveDevice()" ng-disabled="deviceEditor.$invalid">
           <span class="fa fa-check"></span>&nbsp;<span translate>Save</span>
         </button>
+        <button type="button" class="btn btn-default btn-sm" ng-click="idDevice(currentDevice)" ng-if="editingExisting || deviceEditor.deviceID.$valid">
+          <span class="fa fa-qrcode"></span>&nbsp;<span translate>Show QR</span>
+        </button>
         <button type="button" class="btn btn-default btn-sm" data-dismiss="modal">
           <span class="fa fa-times"></span>&nbsp;<span translate>Close</span>
         </button>

gui/syncthing/device/idqrModalView.html

@@ -1,4 +1,4 @@
-<modal id="idqr" status="info" icon="qrcode" title="{{'Device Identification' | translate}} - {{deviceName(thisDevice())}}" large="yes" close="yes">
-  <div class="well well-sm text-monospace text-center" select-on-click>{{myID}}</div>
-  <img ng-if="myID" class="center-block img-thumbnail" ng-src="qr/?text={{myID}}"/>
+<modal id="idqr" status="info" icon="qrcode" title="{{'Device Identification' | translate}} - {{deviceName(currentDevice)}}" large="yes" close="yes">
+  <div class="well well-sm text-monospace text-center" select-on-click>{{currentDevice.deviceID}}</div>
+  <img ng-if="currentDevice.deviceID" class="center-block img-thumbnail" ng-src="qr/?text={{currentDevice.deviceID}}"/>
 </modal>

gui/syncthing/settings/settingsModalView.html

@@ -13,10 +13,12 @@
               <label translate for="DeviceName">Device Name</label>
               <input id="DeviceName" class="form-control" type="text" ng-model="tmpOptions.deviceName">
             </div>
+
             <div class="form-group">
               <label translate for="ListenAddressStr">Sync Protocol Listen Addresses</label>
               <input id="ListenAddressStr" class="form-control" type="text" ng-model="tmpOptions._listenAddressStr">
             </div>
+
             <div class="form-group" ng-class="{'has-error': settingsEditor.MaxRecvKbps.$invalid && settingsEditor.MaxRecvKbps.$dirty}">
               <label translate for="MaxRecvKbps">Incoming Rate Limit (KiB/s)</label>
               <input id="MaxRecvKbps" name="MaxRecvKbps" class="form-control" type="number" ng-model="tmpOptions.maxRecvKbps" min="0">
@@ -24,6 +26,7 @@
                 <span translate ng-if="settingsEditor.MaxRecvKbps.$error.min && settingsEditor.MaxRecvKbps.$dirty">The rate limit must be a non-negative number (0: no limit)</span>
               </p>
             </div>
+
             <div class="form-group" ng-class="{'has-error': settingsEditor.MaxSendKbps.$invalid && settingsEditor.MaxSendKbps.$dirty}">
               <label translate for="MaxSendKbps">Outgoing Rate Limit (KiB/s)</label>
               <input id="MaxSendKbps" name="MaxSendKbps" class="form-control" type="number" ng-model="tmpOptions.maxSendKbps" min="0">
@@ -31,40 +34,53 @@
                 <span translate ng-if="settingsEditor.MaxSendKbps.$error.min && settingsEditor.MaxSendKbps.$dirty">The rate limit must be a non-negative number (0: no limit)</span>
               </p>
             </div>
-            <div class="col-md-6">
-              <div class="form-group">
-                <div class="checkbox">
-                  <label>
-                    <input id="UPnPEnabled" type="checkbox" ng-model="tmpOptions.upnpEnabled"> <span translate>Enable UPnP</span>
-                  </label>
+
+            <div class="row">
+              <div class="col-md-6">
+                <div class="form-group">
+                  <div class="checkbox">
+                    <label>
+                      <input id="UPnPEnabled" type="checkbox" ng-model="tmpOptions.upnpEnabled"> <span translate>Enable UPnP</span>
+                    </label>
+                  </div>
                 </div>
               </div>
-              <div class="form-group">
-                <div class="checkbox">
-                  <label>
-                    <input id="GlobalAnnEnabled" type="checkbox" ng-model="tmpOptions.globalAnnounceEnabled"> <span translate>Global Discovery</span>
-                  </label>
-                </div>
-              </div>
-            </div>
-            <div class="col-md-6">
-              <div class="form-group">
-                <div class="checkbox">
-                  <label ng-if="upgradeInfo">
-                    <input id="AutoUpgradeEnabled" type="checkbox" ng-model="tmpOptions.autoUpgradeEnabled"> <span translate>Automatic upgrades</span>
-                  </label>
-                </div>
-              </div>
-              <div class="form-group">
-                <div class="checkbox">
-                  <label>
-                    <input id="LocalAnnEnabled" type="checkbox" ng-model="tmpOptions.localAnnounceEnabled"> <span translate>Local Discovery</span>
-                  </label>
+              <div class="col-md-6">
+                <div class="form-group">
+                  <div class="checkbox">
+                    <label>
+                      <input id="LocalAnnEnabled" type="checkbox" ng-model="tmpOptions.localAnnounceEnabled"> <span translate>Local Discovery</span>
+                    </label>
+                  </div>
                 </div>
               </div>
             </div>
+
             <div class="form-group">
-              <label translate for="GlobalAnnServersStr">Global Discovery Server</label>
+              <div class="checkbox">
+                <label>
+                  <input id="RelaysEnabled" type="checkbox" ng-model="tmpOptions.relaysEnabled"> <span translate>Enable Relaying</span>
+                </label>
+              </div>
+            </div>
+
+            <div class="clearfix"></div>
+            <div class="form-group">
+              <label translate for="RelayServersStr">Relay Servers</label>
+              <input ng-disabled="!tmpOptions.relaysEnabled" id="RelayServersStr" class="form-control" type="text" ng-model="tmpOptions._relayServersStr">
+            </div>
+
+            <div class="form-group">
+              <div class="checkbox">
+                <label>
+                  <input id="GlobalAnnEnabled" type="checkbox" ng-model="tmpOptions.globalAnnounceEnabled"> <span translate>Global Discovery</span>
+                </label>
+              </div>
+            </div>
+
+            <div class="clearfix"></div>
+            <div class="form-group">
+              <label translate for="GlobalAnnServersStr">Global Discovery Servers</label>
               <input ng-disabled="!tmpOptions.globalAnnounceEnabled" id="GlobalAnnServersStr" class="form-control" type="text" ng-model="tmpOptions._globalAnnounceServersStr">
             </div>
           </div>
@@ -103,6 +119,13 @@
                 </label>
               </div>
             </div>
+            <div class="form-group" ng-if="upgradeInfo">
+              <div class="checkbox">
+                <label>
+                  <input id="AutoUpgradeEnabled" type="checkbox" ng-model="tmpOptions.autoUpgradeEnabled"> <span translate>Automatic upgrades</span>
+                </label>
+              </div>
+            </div>
 
             <hr />
 

lib/config/config.go

@@ -48,17 +48,6 @@ var (
 	// DefaultDiscoveryServers should be substituted when the configuration
 	// contains <globalAnnounceServer>default</globalAnnounceServer>.
 	DefaultDiscoveryServers = append(DefaultDiscoveryServersV4, DefaultDiscoveryServersV6...)
-
-	// DefaultDiscoveryServersIP is used by the usage reporting.
-	// XXX: Detect Android, and use this is we still don't have working DNS?
-	DefaultDiscoveryServersIP = []string{
-		"https://194.126.249.5/?id=SR7AARM-TCBUZ5O-VFAXY4D-CECGSDE-3Q6IZ4G-XG7AH75-OBIXJQV-QJ6NLQA",
-		"https://45.55.230.38/?id=AQEHEO2-XOS7QRA-X2COH5K-PO6OPVA-EWOSEGO-KZFMD32-XJ4ZV46-CUUVKAS",
-		"https://128.199.95.124/?id=VK6HNJ3-VVMM66S-HRVWSCR-IXEHL2H-U4AQ4MW-UCPQBWX-J2L2UBK-NVZRDQZ",
-		"https://[2001:470:28:4d6::5]/?id=SR7AARM-TCBUZ5O-VFAXY4D-CECGSDE-3Q6IZ4G-XG7AH75-OBIXJQV-QJ6NLQA",
-		"https://[2604:a880:800:10::182:a001]/?id=AQEHEO2-XOS7QRA-X2COH5K-PO6OPVA-EWOSEGO-KZFMD32-XJ4ZV46-CUUVKAS",
-		"https://[2400:6180:0:d0::d9:d001]/?id=VK6HNJ3-VVMM66S-HRVWSCR-IXEHL2H-U4AQ4MW-UCPQBWX-J2L2UBK-NVZRDQZ",
-	}
 )
 
 func New(myID protocol.DeviceID) Configuration {
@@ -210,6 +199,9 @@ func (cfg *Configuration) prepare(myID protocol.DeviceID) {
 		existingDevices[myID] = true
 	}
 
+	// Ensure that the device list is free from duplicates
+	cfg.Devices = ensureNoDuplicateDevices(cfg.Devices)
+
 	sort.Sort(DeviceConfigurationList(cfg.Devices))
 	// Ensure that any loose devices are not present in the wrong places
 	// Ensure that there are no duplicate devices
@@ -217,7 +209,7 @@ func (cfg *Configuration) prepare(myID protocol.DeviceID) {
 	for i := range cfg.Folders {
 		cfg.Folders[i].Devices = ensureDevicePresent(cfg.Folders[i].Devices, myID)
 		cfg.Folders[i].Devices = ensureExistingDevices(cfg.Folders[i].Devices, existingDevices)
-		cfg.Folders[i].Devices = ensureNoDuplicates(cfg.Folders[i].Devices)
+		cfg.Folders[i].Devices = ensureNoDuplicateFolderDevices(cfg.Folders[i].Devices)
 		sort.Sort(FolderDeviceConfigurationList(cfg.Folders[i].Devices))
 	}
 
@@ -419,7 +411,25 @@ loop:
 	return devices[0:count]
 }
 
-func ensureNoDuplicates(devices []FolderDeviceConfiguration) []FolderDeviceConfiguration {
+func ensureNoDuplicateFolderDevices(devices []FolderDeviceConfiguration) []FolderDeviceConfiguration {
+	count := len(devices)
+	i := 0
+	seenDevices := make(map[protocol.DeviceID]bool)
+loop:
+	for i < count {
+		id := devices[i].DeviceID
+		if _, ok := seenDevices[id]; ok {
+			devices[i] = devices[count-1]
+			count--
+			continue loop
+		}
+		seenDevices[id] = true
+		i++
+	}
+	return devices[0:count]
+}
+
+func ensureNoDuplicateDevices(devices []DeviceConfiguration) []DeviceConfiguration {
 	count := len(devices)
 	i := 0
 	seenDevices := make(map[protocol.DeviceID]bool)

lib/config/config_test.go

@@ -592,3 +592,29 @@ func TestGUIConfigURL(t *testing.T) {
 		}
 	}
 }
+
+func TestRemoveDuplicateDevicesFolders(t *testing.T) {
+	wrapper, err := Load("testdata/duplicates.xml", device1)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// All folders are loaded, but the duplicate ones are disabled.
+	if l := len(wrapper.Raw().Folders); l != 3 {
+		t.Errorf("Incorrect number of folders, %d != 3", l)
+	}
+	for i, f := range wrapper.Raw().Folders {
+		if f.ID == "f1" && f.Invalid == "" {
+			t.Errorf("Folder %d (%q) is not set invalid", i, f.ID)
+		}
+	}
+
+	if l := len(wrapper.Raw().Devices); l != 3 {
+		t.Errorf("Incorrect number of devices, %d != 3", l)
+	}
+
+	f := wrapper.Folders()["f2"]
+	if l := len(f.Devices); l != 2 {
+		t.Errorf("Incorrect number of folder devices, %d != 2", l)
+	}
+}

lib/config/guiconfiguration.go

@@ -44,7 +44,7 @@ func (c GUIConfiguration) Address() string {
 }
 
 func (c GUIConfiguration) UseTLS() bool {
-	if override := os.Getenv("STGUIADDRESS"); override != "" {
+	if override := os.Getenv("STGUIADDRESS"); override != "" && strings.HasPrefix(override, "http") {
 		return strings.HasPrefix(override, "https:")
 	}
 	return c.RawUseTLS

lib/config/testdata/duplicates.xml

@@ -0,0 +1,33 @@
+<configuration version="12">
+    <device id="AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR">
+        <address>192.0.2.1</address>
+        <address>192.0.2.2</address>
+    </device>
+    <device id="GYRZZQBIRNPV4T7TC52WEQYJ3TFDQW6MWDFLMU4SSSU6EMFBK2VA">
+        <address>192.0.2.3:6070</address>
+        <address>[2001:db8::42]:4242</address>
+    </device>
+    <device id="LGFPDIT7SKNNJVJZA4FC7QNCRKCE753K72BW5QD2FOZ7FRFEP57Q">
+        <address>[2001:db8::44]:4444</address>
+        <address>192.0.2.4:6090</address>
+    </device>
+    <device id="AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR">
+        <!-- duplicate, will be removed -->
+        <address>192.0.2.5</address>
+    </device>
+    <folder id="f1" directory="testdata/">
+        <!-- duplicate, will be disabled -->
+        <device id="AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR"></device>
+        <device id="GYRZZQBIRNPV4T7TC52WEQYJ3TFDQW6MWDFLMU4SSSU6EMFBK2VA"></device>
+    </folder>
+    <folder id="f1" directory="testdata/">
+        <!-- duplicate, will be disabled -->
+        <device id="AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR"></device>
+    </folder>
+    <folder id="f2" directory="testdata/">
+        <device id="AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR"></device>
+        <device id="GYRZZQBIRNPV4T7TC52WEQYJ3TFDQW6MWDFLMU4SSSU6EMFBK2VA"></device>
+        <!-- duplicate device, will be removed -->
+        <device id="AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR"></device>
+    </folder>
+</configuration>

lib/connections/connections.go

@@ -42,9 +42,9 @@ type Model interface {
 	IsPaused(remoteID protocol.DeviceID) bool
 }
 
-// The connection service listens on TLS and dials configured unconnected
+// The connection connectionService listens on TLS and dials configured unconnected
 // devices. Successful connections are handed to the model.
-type connectionSvc struct {
+type connectionService struct {
 	*suture.Supervisor
 	cfg                  *config.Wrapper
 	myID                 protocol.DeviceID
@@ -52,7 +52,7 @@ type connectionSvc struct {
 	tlsCfg               *tls.Config
 	discoverer           discover.Finder
 	conns                chan model.IntermediateConnection
-	relaySvc             *relay.Svc
+	relayService         *relay.Service
 	bepProtocolName      string
 	tlsDefaultCommonName string
 	lans                 []*net.IPNet
@@ -66,16 +66,16 @@ type connectionSvc struct {
 	relaysEnabled bool
 }
 
-func NewConnectionSvc(cfg *config.Wrapper, myID protocol.DeviceID, mdl Model, tlsCfg *tls.Config, discoverer discover.Finder, relaySvc *relay.Svc,
+func NewConnectionService(cfg *config.Wrapper, myID protocol.DeviceID, mdl Model, tlsCfg *tls.Config, discoverer discover.Finder, relayService *relay.Service,
 	bepProtocolName string, tlsDefaultCommonName string, lans []*net.IPNet) suture.Service {
-	svc := &connectionSvc{
-		Supervisor:           suture.NewSimple("connectionSvc"),
+	service := &connectionService{
+		Supervisor:           suture.NewSimple("connectionService"),
 		cfg:                  cfg,
 		myID:                 myID,
 		model:                mdl,
 		tlsCfg:               tlsCfg,
 		discoverer:           discoverer,
-		relaySvc:             relaySvc,
+		relayService:         relayService,
 		conns:                make(chan model.IntermediateConnection),
 		bepProtocolName:      bepProtocolName,
 		tlsDefaultCommonName: tlsDefaultCommonName,
@@ -85,20 +85,20 @@ func NewConnectionSvc(cfg *config.Wrapper, myID protocol.DeviceID, mdl Model, tl
 		relaysEnabled:  cfg.Options().RelaysEnabled,
 		lastRelayCheck: make(map[protocol.DeviceID]time.Time),
 	}
-	cfg.Subscribe(svc)
+	cfg.Subscribe(service)
 
-	if svc.cfg.Options().MaxSendKbps > 0 {
-		svc.writeRateLimit = ratelimit.NewBucketWithRate(float64(1000*svc.cfg.Options().MaxSendKbps), int64(5*1000*svc.cfg.Options().MaxSendKbps))
+	if service.cfg.Options().MaxSendKbps > 0 {
+		service.writeRateLimit = ratelimit.NewBucketWithRate(float64(1000*service.cfg.Options().MaxSendKbps), int64(5*1000*service.cfg.Options().MaxSendKbps))
 	}
-	if svc.cfg.Options().MaxRecvKbps > 0 {
-		svc.readRateLimit = ratelimit.NewBucketWithRate(float64(1000*svc.cfg.Options().MaxRecvKbps), int64(5*1000*svc.cfg.Options().MaxRecvKbps))
+	if service.cfg.Options().MaxRecvKbps > 0 {
+		service.readRateLimit = ratelimit.NewBucketWithRate(float64(1000*service.cfg.Options().MaxRecvKbps), int64(5*1000*service.cfg.Options().MaxRecvKbps))
 	}
 
 	// There are several moving parts here; one routine per listening address
 	// to handle incoming connections, one routine to periodically attempt
 	// outgoing connections, one routine to the the common handling
 	// regardless of whether the connection was incoming or outgoing.
-	// Furthermore, a relay service which handles incoming requests to connect
+	// Furthermore, a relay connectionService which handles incoming requests to connect
 	// via the relays.
 	//
 	// TODO: Clean shutdown, and/or handling config changes on the fly. We
@@ -106,8 +106,8 @@ func NewConnectionSvc(cfg *config.Wrapper, myID protocol.DeviceID, mdl Model, tl
 	// not new listen addresses and we don't support disconnecting devices
 	// that are removed and so on...
 
-	svc.Add(serviceFunc(svc.connect))
-	for _, addr := range svc.cfg.Options().ListenAddress {
+	service.Add(serviceFunc(service.connect))
+	for _, addr := range service.cfg.Options().ListenAddress {
 		uri, err := url.Parse(addr)
 		if err != nil {
 			l.Infoln("Failed to parse listen address:", addr, err)
@@ -122,20 +122,20 @@ func NewConnectionSvc(cfg *config.Wrapper, myID protocol.DeviceID, mdl Model, tl
 
 		l.Debugln("listening on", uri)
 
-		svc.Add(serviceFunc(func() {
-			listener(uri, svc.tlsCfg, svc.conns)
+		service.Add(serviceFunc(func() {
+			listener(uri, service.tlsCfg, service.conns)
 		}))
 	}
-	svc.Add(serviceFunc(svc.handle))
+	service.Add(serviceFunc(service.handle))
 
-	if svc.relaySvc != nil {
-		svc.Add(serviceFunc(svc.acceptRelayConns))
+	if service.relayService != nil {
+		service.Add(serviceFunc(service.acceptRelayConns))
 	}
 
-	return svc
+	return service
 }
 
-func (s *connectionSvc) handle() {
+func (s *connectionService) handle() {
 next:
 	for c := range s.conns {
 		cs := c.Conn.ConnectionState()
@@ -257,15 +257,18 @@ next:
 	}
 }
 
-func (s *connectionSvc) connect() {
+func (s *connectionService) connect() {
 	delay := time.Second
 	for {
+		l.Debugln("Reconnect loop")
 	nextDevice:
 		for deviceID, deviceCfg := range s.cfg.Devices() {
 			if deviceID == s.myID {
 				continue
 			}
 
+			l.Debugln("Reconnect loop for", deviceID)
+
 			if s.model.IsPaused(deviceID) {
 				continue
 			}
@@ -277,6 +280,7 @@ func (s *connectionSvc) connect() {
 			relaysEnabled := s.relaysEnabled
 			s.mut.RUnlock()
 			if connected && ok && ct.IsDirect() {
+				l.Debugln("Already connected to", deviceID, "via", ct.String())
 				continue
 			}
 
@@ -284,6 +288,7 @@ func (s *connectionSvc) connect() {
 
 			for _, addr := range addrs {
 				if conn := s.connectDirect(deviceID, addr); conn != nil {
+					l.Debugln("Connecting to", deviceID, "via", addr, "succeeded")
 					if connected {
 						s.model.Close(deviceID, fmt.Errorf("switching connections"))
 					}
@@ -292,6 +297,7 @@ func (s *connectionSvc) connect() {
 					}
 					continue nextDevice
 				}
+				l.Debugln("Connecting to", deviceID, "via", addr, "failed")
 			}
 
 			// Only connect via relays if not already connected
@@ -300,6 +306,7 @@ func (s *connectionSvc) connect() {
 			// wait up to RelayReconnectIntervalM to connect again.
 			// Also, do not try relays if we are explicitly told not to.
 			if connected || len(relays) == 0 || !relaysEnabled {
+				l.Debugln("Not connecting via relay", connected, len(relays) == 0, !relaysEnabled)
 				continue nextDevice
 			}
 
@@ -307,19 +314,21 @@ func (s *connectionSvc) connect() {
 			if last, ok := s.lastRelayCheck[deviceID]; ok && time.Since(last) < reconIntv {
 				l.Debugln("Skipping connecting via relay to", deviceID, "last checked at", last)
 				continue nextDevice
-			} else {
-				l.Debugln("Trying relay connections to", deviceID, relays)
 			}
 
+			l.Debugln("Trying relay connections to", deviceID, relays)
+
 			s.lastRelayCheck[deviceID] = time.Now()
 
 			for _, addr := range relays {
 				if conn := s.connectViaRelay(deviceID, addr); conn != nil {
+					l.Debugln("Connecting to", deviceID, "via", addr, "succeeded")
 					s.conns <- model.IntermediateConnection{
 						conn, model.ConnectionTypeRelayDial,
 					}
 					continue nextDevice
 				}
+				l.Debugln("Connecting to", deviceID, "via", addr, "failed")
 			}
 		}
 
@@ -331,7 +340,7 @@ func (s *connectionSvc) connect() {
 	}
 }
 
-func (s *connectionSvc) resolveAddresses(deviceID protocol.DeviceID, inAddrs []string) (addrs []string, relays []discover.Relay) {
+func (s *connectionService) resolveAddresses(deviceID protocol.DeviceID, inAddrs []string) (addrs []string, relays []discover.Relay) {
 	for _, addr := range inAddrs {
 		if addr == "dynamic" {
 			if s.discoverer != nil {
@@ -347,7 +356,7 @@ func (s *connectionSvc) resolveAddresses(deviceID protocol.DeviceID, inAddrs []s
 	return
 }
 
-func (s *connectionSvc) connectDirect(deviceID protocol.DeviceID, addr string) *tls.Conn {
+func (s *connectionService) connectDirect(deviceID protocol.DeviceID, addr string) *tls.Conn {
 	uri, err := url.Parse(addr)
 	if err != nil {
 		l.Infoln("Failed to parse connection url:", addr, err)
@@ -370,7 +379,7 @@ func (s *connectionSvc) connectDirect(deviceID protocol.DeviceID, addr string) *
 	return conn
 }
 
-func (s *connectionSvc) connectViaRelay(deviceID protocol.DeviceID, addr discover.Relay) *tls.Conn {
+func (s *connectionService) connectViaRelay(deviceID protocol.DeviceID, addr discover.Relay) *tls.Conn {
 	uri, err := url.Parse(addr.URL)
 	if err != nil {
 		l.Infoln("Failed to parse relay connection url:", addr, err)
@@ -409,9 +418,9 @@ func (s *connectionSvc) connectViaRelay(deviceID protocol.DeviceID, addr discove
 	return tc
 }
 
-func (s *connectionSvc) acceptRelayConns() {
+func (s *connectionService) acceptRelayConns() {
 	for {
-		conn := s.relaySvc.Accept()
+		conn := s.relayService.Accept()
 		s.conns <- model.IntermediateConnection{
 			Conn: conn,
 			Type: model.ConnectionTypeRelayAccept,
@@ -419,7 +428,7 @@ func (s *connectionSvc) acceptRelayConns() {
 	}
 }
 
-func (s *connectionSvc) shouldLimit(addr net.Addr) bool {
+func (s *connectionService) shouldLimit(addr net.Addr) bool {
 	if s.cfg.Options().LimitBandwidthInLan {
 		return true
 	}
@@ -436,11 +445,11 @@ func (s *connectionSvc) shouldLimit(addr net.Addr) bool {
 	return !tcpaddr.IP.IsLoopback()
 }
 
-func (s *connectionSvc) VerifyConfiguration(from, to config.Configuration) error {
+func (s *connectionService) VerifyConfiguration(from, to config.Configuration) error {
 	return nil
 }
 
-func (s *connectionSvc) CommitConfiguration(from, to config.Configuration) bool {
+func (s *connectionService) CommitConfiguration(from, to config.Configuration) bool {
 	s.mut.Lock()
 	s.relaysEnabled = to.Options.RelaysEnabled
 	s.mut.Unlock()

lib/connections/connections_tcp.go

@@ -23,6 +23,7 @@ func init() {
 }
 
 func tcpDialer(uri *url.URL, tlsCfg *tls.Config) (*tls.Conn, error) {
+	// Check that there is a port number in uri.Host, otherwise add one.
 	host, port, err := net.SplitHostPort(uri.Host)
 	if err != nil && strings.HasPrefix(err.Error(), "missing port") {
 		// addr is on the form "1.2.3.4"
@@ -32,13 +33,9 @@ func tcpDialer(uri *url.URL, tlsCfg *tls.Config) (*tls.Conn, error) {
 		uri.Host = net.JoinHostPort(host, "22000")
 	}
 
-	raddr, err := net.ResolveTCPAddr("tcp", uri.Host)
-	if err != nil {
-		l.Debugln(err)
-		return nil, err
-	}
-
-	conn, err := dialer.Dial(raddr.Network(), raddr.String())
+	// Don't try to resolve the address before dialing. The dialer may be a
+	// proxy, and we should let the proxy do the resolving in that case.
+	conn, err := dialer.Dial("tcp", uri.Host)
 	if err != nil {
 		l.Debugln(err)
 		return nil, err

lib/db/.gitignore

@@ -1 +1,2 @@
+!*.zip
 testdata/*.db

lib/db/blockmap.go

@@ -4,16 +4,9 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at http://mozilla.org/MPL/2.0/.
 
-// Package db provides a set type to track local/remote files with newness
-// checks. We must do a certain amount of normalization in here. We will get
-// fed paths with either native or wire-format separators and encodings
-// depending on who calls us. We transform paths to wire-format (NFC and
-// slashes) on the way to the database, and transform to native format
-// (varying separator and encoding) on the way back out.
 package db
 
 import (
-	"bytes"
 	"encoding/binary"
 	"fmt"
 
@@ -30,10 +23,10 @@ const maxBatchSize = 256 << 10
 
 type BlockMap struct {
 	db     *Instance
-	folder string
+	folder uint32
 }
 
-func NewBlockMap(db *Instance, folder string) *BlockMap {
+func NewBlockMap(db *Instance, folder uint32) *BlockMap {
 	return &BlockMap{
 		db:     db,
 		folder: folder,
@@ -123,7 +116,7 @@ func (m *BlockMap) Discard(files []protocol.FileInfo) error {
 // Drop block map, removing all entries related to this block map from the db.
 func (m *BlockMap) Drop() error {
 	batch := new(leveldb.Batch)
-	iter := m.db.NewIterator(util.BytesPrefix(m.blockKeyInto(nil, nil, "")[:1+64]), nil)
+	iter := m.db.NewIterator(util.BytesPrefix(m.blockKeyInto(nil, nil, "")[:keyPrefixLen+keyFolderLen]), nil)
 	defer iter.Release()
 	for iter.Next() {
 		if batch.Len() > maxBatchSize {
@@ -173,12 +166,13 @@ func (f *BlockFinder) String() string {
 func (f *BlockFinder) Iterate(folders []string, hash []byte, iterFn func(string, string, int32) bool) bool {
 	var key []byte
 	for _, folder := range folders {
-		key = blockKeyInto(key, hash, folder, "")
+		folderID := f.db.folderIdx.ID([]byte(folder))
+		key = blockKeyInto(key, hash, folderID, "")
 		iter := f.db.NewIterator(util.BytesPrefix(key), nil)
 		defer iter.Release()
 
 		for iter.Next() && iter.Error() == nil {
-			folder, file := fromBlockKey(iter.Key())
+			file := blockKeyName(iter.Key())
 			index := int32(binary.BigEndian.Uint32(iter.Value()))
 			if iterFn(folder, osutil.NativeFilename(file), index) {
 				return true
@@ -194,48 +188,41 @@ func (f *BlockFinder) Fix(folder, file string, index int32, oldHash, newHash []b
 	buf := make([]byte, 4)
 	binary.BigEndian.PutUint32(buf, uint32(index))
 
+	folderID := f.db.folderIdx.ID([]byte(folder))
 	batch := new(leveldb.Batch)
-	batch.Delete(blockKeyInto(nil, oldHash, folder, file))
-	batch.Put(blockKeyInto(nil, newHash, folder, file), buf)
+	batch.Delete(blockKeyInto(nil, oldHash, folderID, file))
+	batch.Put(blockKeyInto(nil, newHash, folderID, file), buf)
 	return f.db.Write(batch, nil)
 }
 
 // m.blockKey returns a byte slice encoding the following information:
 //	   keyTypeBlock (1 byte)
-//	   folder (64 bytes)
+//	   folder (4 bytes)
 //	   block hash (32 bytes)
 //	   file name (variable size)
-func blockKeyInto(o, hash []byte, folder, file string) []byte {
-	reqLen := 1 + 64 + 32 + len(file)
+func blockKeyInto(o, hash []byte, folder uint32, file string) []byte {
+	reqLen := keyPrefixLen + keyFolderLen + keyHashLen + len(file)
 	if cap(o) < reqLen {
 		o = make([]byte, reqLen)
 	} else {
 		o = o[:reqLen]
 	}
 	o[0] = KeyTypeBlock
-	copy(o[1:], []byte(folder))
-	for i := len(folder); i < 64; i++ {
-		o[1+i] = 0
-	}
-	copy(o[1+64:], []byte(hash))
-	copy(o[1+64+32:], []byte(file))
+	binary.BigEndian.PutUint32(o[keyPrefixLen:], folder)
+	copy(o[keyPrefixLen+keyFolderLen:], []byte(hash))
+	copy(o[keyPrefixLen+keyFolderLen+keyHashLen:], []byte(file))
 	return o
 }
 
-func fromBlockKey(data []byte) (string, string) {
-	if len(data) < 1+64+32+1 {
+// blockKeyName returns the file name from the block key
+func blockKeyName(data []byte) string {
+	if len(data) < keyPrefixLen+keyFolderLen+keyHashLen+1 {
 		panic("Incorrect key length")
 	}
 	if data[0] != KeyTypeBlock {
 		panic("Incorrect key type")
 	}
 
-	file := string(data[1+64+32:])
-
-	slice := data[1 : 1+64]
-	izero := bytes.IndexByte(slice, 0)
-	if izero > -1 {
-		return string(slice[:izero]), file
-	}
-	return string(slice), file
+	file := string(data[keyPrefixLen+keyFolderLen+keyHashLen:])
+	return file
 }

lib/db/blockmap_test.go

@@ -10,6 +10,7 @@ import (
 	"testing"
 
 	"github.com/syncthing/syncthing/lib/protocol"
+	"github.com/syndtr/goleveldb/leveldb/util"
 )
 
 func genBlocks(n int) []protocol.BlockInfo {
@@ -55,7 +56,7 @@ func setup() (*Instance, *BlockFinder) {
 }
 
 func dbEmpty(db *Instance) bool {
-	iter := db.NewIterator(nil, nil)
+	iter := db.NewIterator(util.BytesPrefix([]byte{KeyTypeBlock}), nil)
 	defer iter.Release()
 	if iter.Next() {
 		return false
@@ -70,7 +71,7 @@ func TestBlockMapAddUpdateWipe(t *testing.T) {
 		t.Fatal("db not empty")
 	}
 
-	m := NewBlockMap(db, "folder1")
+	m := NewBlockMap(db, db.folderIdx.ID([]byte("folder1")))
 
 	f3.Flags |= protocol.FlagDirectory
 
@@ -152,8 +153,8 @@ func TestBlockMapAddUpdateWipe(t *testing.T) {
 func TestBlockFinderLookup(t *testing.T) {
 	db, f := setup()
 
-	m1 := NewBlockMap(db, "folder1")
-	m2 := NewBlockMap(db, "folder2")
+	m1 := NewBlockMap(db, db.folderIdx.ID([]byte("folder1")))
+	m2 := NewBlockMap(db, db.folderIdx.ID([]byte("folder2")))
 
 	err := m1.Add([]protocol.FileInfo{f1})
 	if err != nil {
@@ -221,7 +222,7 @@ func TestBlockFinderFix(t *testing.T) {
 		return true
 	}
 
-	m := NewBlockMap(db, "folder1")
+	m := NewBlockMap(db, db.folderIdx.ID([]byte("folder1")))
 	err := m.Add([]protocol.FileInfo{f1})
 	if err != nil {
 		t.Fatal(err)

lib/db/leveldb.go

@@ -42,6 +42,8 @@ const (
 	KeyTypeDeviceStatistic
 	KeyTypeFolderStatistic
 	KeyTypeVirtualMtime
+	KeyTypeFolderIdx
+	KeyTypeDeviceIdx
 )
 
 type fileVersion struct {

lib/db/leveldb_convert.go

@@ -0,0 +1,114 @@
+// Copyright (C) 2015 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package db
+
+import (
+	"bytes"
+
+	"github.com/syndtr/goleveldb/leveldb"
+)
+
+// convertKeyFormat converts from the v0.12 to the v0.13 database format, to
+// avoid having to do rescan. The change is in the key format for folder
+// labels, so we basically just iterate over the database rewriting keys as
+// necessary.
+func convertKeyFormat(from, to *leveldb.DB) error {
+	l.Infoln("Converting database key format")
+	blocks, files, globals, unchanged := 0, 0, 0, 0
+
+	dbi := newDBInstance(to)
+	i := from.NewIterator(nil, nil)
+	for i.Next() {
+		key := i.Key()
+		switch key[0] {
+		case KeyTypeBlock:
+			folder, file := oldFromBlockKey(key)
+			folderIdx := dbi.folderIdx.ID([]byte(folder))
+			hash := key[1+64:]
+			newKey := blockKeyInto(nil, hash, folderIdx, file)
+			if err := to.Put(newKey, i.Value(), nil); err != nil {
+				return err
+			}
+			blocks++
+
+		case KeyTypeDevice:
+			newKey := dbi.deviceKey(oldDeviceKeyFolder(key), oldDeviceKeyDevice(key), oldDeviceKeyName(key))
+			if err := to.Put(newKey, i.Value(), nil); err != nil {
+				return err
+			}
+			files++
+
+		case KeyTypeGlobal:
+			newKey := dbi.globalKey(oldGlobalKeyFolder(key), oldGlobalKeyName(key))
+			if err := to.Put(newKey, i.Value(), nil); err != nil {
+				return err
+			}
+			globals++
+
+		case KeyTypeVirtualMtime:
+			// Cannot be converted, we drop it instead :(
+
+		default:
+			if err := to.Put(key, i.Value(), nil); err != nil {
+				return err
+			}
+			unchanged++
+		}
+	}
+
+	l.Infof("Converted %d blocks, %d files, %d globals (%d unchanged).", blocks, files, globals, unchanged)
+
+	return nil
+}
+
+func oldDeviceKeyFolder(key []byte) []byte {
+	folder := key[1 : 1+64]
+	izero := bytes.IndexByte(folder, 0)
+	if izero < 0 {
+		return folder
+	}
+	return folder[:izero]
+}
+
+func oldDeviceKeyDevice(key []byte) []byte {
+	return key[1+64 : 1+64+32]
+}
+
+func oldDeviceKeyName(key []byte) []byte {
+	return key[1+64+32:]
+}
+
+func oldGlobalKeyName(key []byte) []byte {
+	return key[1+64:]
+}
+
+func oldGlobalKeyFolder(key []byte) []byte {
+	folder := key[1 : 1+64]
+	izero := bytes.IndexByte(folder, 0)
+	if izero < 0 {
+		return folder
+	}
+	return folder[:izero]
+}
+
+func oldFromBlockKey(data []byte) (string, string) {
+	if len(data) < 1+64+32+1 {
+		panic("Incorrect key length")
+	}
+	if data[0] != KeyTypeBlock {
+		panic("Incorrect key type")
+	}
+
+	file := string(data[1+64+32:])
+
+	slice := data[1 : 1+64]
+	izero := bytes.IndexByte(slice, 0)
+	if izero > -1 {
+		return string(slice[:izero]), file
+	}
+	return string(slice), file
+}

lib/db/leveldb_convert_test.go

@@ -0,0 +1,136 @@
+// Copyright (C) 2015 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package db
+
+import (
+	"archive/zip"
+	"io"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/syndtr/goleveldb/leveldb"
+)
+
+func TestLabelConversion(t *testing.T) {
+	os.RemoveAll("testdata/oldformat.db")
+	defer os.RemoveAll("testdata/oldformat.db")
+	os.RemoveAll("testdata/newformat.db")
+	defer os.RemoveAll("testdata/newformat.db")
+
+	if err := unzip("testdata/oldformat.db.zip", "testdata"); err != nil {
+		t.Fatal(err)
+	}
+
+	odb, err := leveldb.OpenFile("testdata/oldformat.db", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ldb, err := leveldb.OpenFile("testdata/newformat.db", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if err = convertKeyFormat(odb, ldb); err != nil {
+		t.Fatal(err)
+	}
+	ldb.Close()
+	odb.Close()
+
+	inst, err := Open("testdata/newformat.db")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	fs := NewFileSet("default", inst)
+	files, deleted, _ := fs.GlobalSize()
+	if files+deleted != 953 {
+		// Expected number of global entries determined by
+		// ../../bin/stindex testdata/oldformat.db/ | grep global | grep -c default
+		t.Errorf("Conversion error, global list differs (%d != 953)", files+deleted)
+	}
+
+	files, deleted, _ = fs.LocalSize()
+	if files+deleted != 953 {
+		t.Errorf("Conversion error, device list differs (%d != 953)", files+deleted)
+	}
+
+	f := NewBlockFinder(inst)
+	// [block] F:"default" H:1c25dea9003cc16216e2a22900be1ec1cc5aaf270442904e2f9812c314e929d8 N:"f/f2/f25f1b3e6e029231b933531b2138796d" I:3
+	h := []byte{0x1c, 0x25, 0xde, 0xa9, 0x00, 0x3c, 0xc1, 0x62, 0x16, 0xe2, 0xa2, 0x29, 0x00, 0xbe, 0x1e, 0xc1, 0xcc, 0x5a, 0xaf, 0x27, 0x04, 0x42, 0x90, 0x4e, 0x2f, 0x98, 0x12, 0xc3, 0x14, 0xe9, 0x29, 0xd8}
+	found := 0
+	f.Iterate([]string{"default"}, h, func(folder, file string, idx int32) bool {
+		if folder == "default" && file == filepath.FromSlash("f/f2/f25f1b3e6e029231b933531b2138796d") && idx == 3 {
+			found++
+		}
+		return true
+	})
+	if found != 1 {
+		t.Errorf("Found %d blocks instead of expected 1", found)
+	}
+
+	inst.Close()
+}
+
+func unzip(src, dest string) error {
+	r, err := zip.OpenReader(src)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err := r.Close(); err != nil {
+			panic(err)
+		}
+	}()
+
+	os.MkdirAll(dest, 0755)
+
+	// Closure to address file descriptors issue with all the deferred .Close() methods
+	extractAndWriteFile := func(f *zip.File) error {
+		rc, err := f.Open()
+		if err != nil {
+			return err
+		}
+		defer func() {
+			if err := rc.Close(); err != nil {
+				panic(err)
+			}
+		}()
+
+		path := filepath.Join(dest, f.Name)
+
+		if f.FileInfo().IsDir() {
+			os.MkdirAll(path, f.Mode())
+		} else {
+			f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
+			if err != nil {
+				return err
+			}
+			defer func() {
+				if err := f.Close(); err != nil {
+					panic(err)
+				}
+			}()
+
+			_, err = io.Copy(f, rc)
+			if err != nil {
+				return err
+			}
+		}
+		return nil
+	}
+
+	for _, f := range r.File {
+		err := extractAndWriteFile(f)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

lib/db/leveldb_dbinstance.go

@@ -8,11 +8,15 @@ package db
 
 import (
 	"bytes"
+	"encoding/binary"
 	"os"
+	"path/filepath"
 	"sort"
 	"strings"
 
+	"github.com/syncthing/syncthing/lib/osutil"
 	"github.com/syncthing/syncthing/lib/protocol"
+	"github.com/syncthing/syncthing/lib/sync"
 	"github.com/syndtr/goleveldb/leveldb"
 	"github.com/syndtr/goleveldb/leveldb/errors"
 	"github.com/syndtr/goleveldb/leveldb/iterator"
@@ -25,14 +29,33 @@ type deletionHandler func(t readWriteTransaction, folder, device, name []byte, d
 
 type Instance struct {
 	*leveldb.DB
+	folderIdx *smallIndex
+	deviceIdx *smallIndex
 }
 
+const (
+	keyPrefixLen = 1
+	keyFolderLen = 4 // indexed
+	keyDeviceLen = 4 // indexed
+	keyHashLen   = 32
+)
+
 func Open(file string) (*Instance, error) {
 	opts := &opt.Options{
 		OpenFilesCacheCapacity: 100,
 		WriteBuffer:            4 << 20,
 	}
 
+	if _, err := os.Stat(file); os.IsNotExist(err) {
+		// The file we are looking to open does not exist. This may be the
+		// first launch so we should look for an old version and try to
+		// convert it.
+		if err := checkConvertDatabase(file); err != nil {
+			l.Infoln("Converting old database:", err)
+			l.Infoln("Will rescan from scratch.")
+		}
+	}
+
 	db, err := leveldb.OpenFile(file, opts)
 	if leveldbIsCorrupted(err) {
 		db, err = leveldb.RecoverFile(file, opts)
@@ -60,9 +83,12 @@ func OpenMemory() *Instance {
 }
 
 func newDBInstance(db *leveldb.DB) *Instance {
-	return &Instance{
+	i := &Instance{
 		DB: db,
 	}
+	i.folderIdx = newSmallIndex(i, []byte{KeyTypeFolderIdx})
+	i.deviceIdx = newSmallIndex(i, []byte{KeyTypeDeviceIdx})
+	return i
 }
 
 func (db *Instance) Compact() error {
@@ -72,13 +98,10 @@ func (db *Instance) Compact() error {
 func (db *Instance) genericReplace(folder, device []byte, fs []protocol.FileInfo, localSize, globalSize *sizeTracker, deleteFn deletionHandler) int64 {
 	sort.Sort(fileList(fs)) // sort list on name, same as in the database
 
-	start := db.deviceKey(folder, device, nil)                            // before all folder/device files
-	limit := db.deviceKey(folder, device, []byte{0xff, 0xff, 0xff, 0xff}) // after all folder/device files
-
 	t := db.newReadWriteTransaction()
 	defer t.close()
 
-	dbi := t.NewIterator(&util.Range{Start: start, Limit: limit}, nil)
+	dbi := t.NewIterator(util.BytesPrefix(db.deviceKey(folder, device, nil)[:keyPrefixLen+keyFolderLen+keyDeviceLen]), nil)
 	defer dbi.Release()
 
 	moreDb := dbi.Next()
@@ -237,13 +260,10 @@ func (db *Instance) updateFiles(folder, device []byte, fs []protocol.FileInfo, l
 }
 
 func (db *Instance) withHave(folder, device []byte, truncate bool, fn Iterator) {
-	start := db.deviceKey(folder, device, nil)                            // before all folder/device files
-	limit := db.deviceKey(folder, device, []byte{0xff, 0xff, 0xff, 0xff}) // after all folder/device files
-
 	t := db.newReadOnlyTransaction()
 	defer t.close()
 
-	dbi := t.NewIterator(&util.Range{Start: start, Limit: limit}, nil)
+	dbi := t.NewIterator(util.BytesPrefix(db.deviceKey(folder, device, nil)[:keyPrefixLen+keyFolderLen+keyDeviceLen]), nil)
 	defer dbi.Release()
 
 	for dbi.Next() {
@@ -258,13 +278,10 @@ func (db *Instance) withHave(folder, device []byte, truncate bool, fn Iterator)
 }
 
 func (db *Instance) withAllFolderTruncated(folder []byte, fn func(device []byte, f FileInfoTruncated) bool) {
-	start := db.deviceKey(folder, nil, nil)                                                  // before all folder/device files
-	limit := db.deviceKey(folder, protocol.LocalDeviceID[:], []byte{0xff, 0xff, 0xff, 0xff}) // after all folder/device files
-
 	t := db.newReadWriteTransaction()
 	defer t.close()
 
-	dbi := t.NewIterator(&util.Range{Start: start, Limit: limit}, nil)
+	dbi := t.NewIterator(util.BytesPrefix(db.deviceKey(folder, nil, nil)[:keyPrefixLen+keyFolderLen]), nil)
 	defer dbi.Release()
 
 	for dbi.Next() {
@@ -359,7 +376,10 @@ func (db *Instance) withGlobal(folder, prefix []byte, truncate bool, fn Iterator
 			l.Debugf("vl.versions[0].device: %x", vl.versions[0].device)
 			l.Debugf("name: %q (%x)", name, name)
 			l.Debugf("fk: %q", fk)
-			l.Debugf("fk: %x %x %x", fk[1:1+64], fk[1+64:1+64+32], fk[1+64+32:])
+			l.Debugf("fk: %x %x %x",
+				fk[keyPrefixLen:keyPrefixLen+keyFolderLen],
+				fk[keyPrefixLen+keyFolderLen:keyPrefixLen+keyFolderLen+keyDeviceLen],
+				fk[keyPrefixLen+keyFolderLen+keyDeviceLen:])
 			panic(err)
 		}
 
@@ -403,13 +423,10 @@ func (db *Instance) availability(folder, file []byte) []protocol.DeviceID {
 }
 
 func (db *Instance) withNeed(folder, device []byte, truncate bool, fn Iterator) {
-	start := db.globalKey(folder, nil)
-	limit := db.globalKey(folder, []byte{0xff, 0xff, 0xff, 0xff})
-
 	t := db.newReadOnlyTransaction()
 	defer t.close()
 
-	dbi := t.NewIterator(&util.Range{Start: start, Limit: limit}, nil)
+	dbi := t.NewIterator(util.BytesPrefix(db.globalKey(folder, nil)[:keyPrefixLen+keyFolderLen]), nil)
 	defer dbi.Release()
 
 	var fk []byte
@@ -546,9 +563,7 @@ func (db *Instance) checkGlobals(folder []byte, globalSize *sizeTracker) {
 	t := db.newReadWriteTransaction()
 	defer t.close()
 
-	start := db.globalKey(folder, nil)
-	limit := db.globalKey(folder, []byte{0xff, 0xff, 0xff, 0xff})
-	dbi := t.NewIterator(&util.Range{Start: start, Limit: limit}, nil)
+	dbi := t.NewIterator(util.BytesPrefix(db.globalKey(folder, nil)[:keyPrefixLen+keyFolderLen]), nil)
 	defer dbi.Release()
 
 	var fk []byte
@@ -598,71 +613,72 @@ func (db *Instance) checkGlobals(folder []byte, globalSize *sizeTracker) {
 
 // deviceKey returns a byte slice encoding the following information:
 //	   keyTypeDevice (1 byte)
-//	   folder (64 bytes)
-//	   device (32 bytes)
+//	   folder (4 bytes)
+//	   device (4 bytes)
 //	   name (variable size)
 func (db *Instance) deviceKey(folder, device, file []byte) []byte {
 	return db.deviceKeyInto(nil, folder, device, file)
 }
 
 func (db *Instance) deviceKeyInto(k []byte, folder, device, file []byte) []byte {
-	reqLen := 1 + 64 + 32 + len(file)
+	reqLen := keyPrefixLen + keyFolderLen + keyDeviceLen + len(file)
 	if len(k) < reqLen {
 		k = make([]byte, reqLen)
 	}
 	k[0] = KeyTypeDevice
-	if len(folder) > 64 {
-		panic("folder name too long")
-	}
-	copy(k[1:], []byte(folder))
-	copy(k[1+64:], device[:])
-	copy(k[1+64+32:], []byte(file))
+	binary.BigEndian.PutUint32(k[keyPrefixLen:], db.folderIdx.ID(folder))
+	binary.BigEndian.PutUint32(k[keyPrefixLen+keyFolderLen:], db.deviceIdx.ID(device))
+	copy(k[keyPrefixLen+keyFolderLen+keyDeviceLen:], []byte(file))
 	return k[:reqLen]
 }
 
+// deviceKeyName returns the device ID from the key
 func (db *Instance) deviceKeyName(key []byte) []byte {
-	return key[1+64+32:]
+	return key[keyPrefixLen+keyFolderLen+keyDeviceLen:]
 }
 
+// deviceKeyFolder returns the folder name from the key
 func (db *Instance) deviceKeyFolder(key []byte) []byte {
-	folder := key[1 : 1+64]
-	izero := bytes.IndexByte(folder, 0)
-	if izero < 0 {
-		return folder
+	folder, ok := db.folderIdx.Val(binary.BigEndian.Uint32(key[keyPrefixLen:]))
+	if !ok {
+		panic("bug: lookup of nonexistent folder ID")
 	}
-	return folder[:izero]
+	return folder
 }
 
+// deviceKeyDevice returns the device ID from the key
 func (db *Instance) deviceKeyDevice(key []byte) []byte {
-	return key[1+64 : 1+64+32]
+	device, ok := db.deviceIdx.Val(binary.BigEndian.Uint32(key[keyPrefixLen+keyFolderLen:]))
+	if !ok {
+		panic("bug: lookup of nonexistent device ID")
+	}
+	return device
 }
 
 // globalKey returns a byte slice encoding the following information:
 //	   keyTypeGlobal (1 byte)
-//	   folder (64 bytes)
+//	   folder (4 bytes)
 //	   name (variable size)
 func (db *Instance) globalKey(folder, file []byte) []byte {
-	k := make([]byte, 1+64+len(file))
+	k := make([]byte, keyPrefixLen+keyFolderLen+len(file))
 	k[0] = KeyTypeGlobal
-	if len(folder) > 64 {
-		panic("folder name too long")
-	}
-	copy(k[1:], []byte(folder))
-	copy(k[1+64:], []byte(file))
+	binary.BigEndian.PutUint32(k[keyPrefixLen:], db.folderIdx.ID(folder))
+	copy(k[keyPrefixLen+keyFolderLen:], []byte(file))
 	return k
 }
 
+// globalKeyName returns the filename from the key
 func (db *Instance) globalKeyName(key []byte) []byte {
-	return key[1+64:]
+	return key[keyPrefixLen+keyFolderLen:]
 }
 
+// globalKeyFolder returns the folder name from the key
 func (db *Instance) globalKeyFolder(key []byte) []byte {
-	folder := key[1 : 1+64]
-	izero := bytes.IndexByte(folder, 0)
-	if izero < 0 {
-		return folder
+	folder, ok := db.folderIdx.Val(binary.BigEndian.Uint32(key[keyPrefixLen:]))
+	if !ok {
+		panic("bug: lookup of nonexistent folder ID")
 	}
-	return folder[:izero]
+	return folder
 }
 
 func unmarshalTrunc(bs []byte, truncate bool) (FileIntf, error) {
@@ -692,3 +708,132 @@ func leveldbIsCorrupted(err error) bool {
 
 	return false
 }
+
+// checkConvertDatabase tries to convert an existing old (v0.11) database to
+// new (v0.13) format.
+func checkConvertDatabase(dbFile string) error {
+	oldLoc := filepath.Join(filepath.Dir(dbFile), "index-v0.11.0.db")
+	if _, err := os.Stat(oldLoc); os.IsNotExist(err) {
+		// The old database file does not exist; that's ok, continue as if
+		// everything succeeded.
+		return nil
+	} else if err != nil {
+		// Any other error is weird.
+		return err
+	}
+
+	// There exists a database in the old format. We run a one time
+	// conversion from old to new.
+
+	fromDb, err := leveldb.OpenFile(oldLoc, nil)
+	if err != nil {
+		return err
+	}
+
+	toDb, err := leveldb.OpenFile(dbFile, nil)
+	if err != nil {
+		return err
+	}
+
+	err = convertKeyFormat(fromDb, toDb)
+	if err != nil {
+		return err
+	}
+
+	err = toDb.Close()
+	if err != nil {
+		return err
+	}
+
+	// We've done this one, we don't want to do it again (if the user runs
+	// -reset or so). We don't care too much about errors any more at this stage.
+	fromDb.Close()
+	osutil.Rename(oldLoc, oldLoc+".converted")
+
+	return nil
+}
+
+// A smallIndex is an in memory bidirectional []byte to uint32 map. It gives
+// fast lookups in both directions and persists to the database. Don't use for
+// storing more items than fit comfortably in RAM.
+type smallIndex struct {
+	db     *Instance
+	prefix []byte
+	id2val map[uint32]string
+	val2id map[string]uint32
+	nextID uint32
+	mut    sync.Mutex
+}
+
+func newSmallIndex(db *Instance, prefix []byte) *smallIndex {
+	idx := &smallIndex{
+		db:     db,
+		prefix: prefix,
+		id2val: make(map[uint32]string),
+		val2id: make(map[string]uint32),
+		mut:    sync.NewMutex(),
+	}
+	idx.load()
+	return idx
+}
+
+// load iterates over the prefix space in the database and populates the in
+// memory maps.
+func (i *smallIndex) load() {
+	tr := i.db.newReadOnlyTransaction()
+	it := tr.NewIterator(util.BytesPrefix(i.prefix), nil)
+	for it.Next() {
+		val := string(it.Value())
+		id := binary.BigEndian.Uint32(it.Key()[len(i.prefix):])
+		i.id2val[id] = val
+		i.val2id[val] = id
+		if id >= i.nextID {
+			i.nextID = id + 1
+		}
+	}
+	it.Release()
+	tr.close()
+}
+
+// ID returns the index number for the given byte slice, allocating a new one
+// and persisting this to the database if necessary.
+func (i *smallIndex) ID(val []byte) uint32 {
+	i.mut.Lock()
+	// intentionally avoiding defer here as we want this call to be as fast as
+	// possible in the general case (folder ID already exists). The map lookup
+	// with the conversion of []byte to string is compiler optimized to not
+	// copy the []byte, which is why we don't assign it to a temp variable
+	// here.
+	if id, ok := i.val2id[string(val)]; ok {
+		i.mut.Unlock()
+		return id
+	}
+
+	id := i.nextID
+	i.nextID++
+
+	valStr := string(val)
+	i.val2id[valStr] = id
+	i.id2val[id] = valStr
+
+	key := make([]byte, len(i.prefix)+8) // prefix plus uint32 id
+	copy(key, i.prefix)
+	binary.BigEndian.PutUint32(key[len(i.prefix):], id)
+	i.db.Put(key, val, nil)
+
+	i.mut.Unlock()
+	return id
+}
+
+// Val returns the value for the given index number, or (nil, false) if there
+// is no such index number.
+func (i *smallIndex) Val(id uint32) ([]byte, bool) {
+	i.mut.Lock()
+	val, ok := i.id2val[id]
+	i.mut.Unlock()
+	if !ok {
+		return nil, false
+	}
+
+	return []byte(val), true
+}

lib/db/leveldb_test.go

@@ -16,7 +16,9 @@ func TestDeviceKey(t *testing.T) {
 	dev := []byte("device67890123456789012345678901")
 	name := []byte("name")
 
-	db := &Instance{}
+	db := OpenMemory()
+	db.folderIdx.ID(fld)
+	db.deviceIdx.ID(dev)
 
 	key := db.deviceKey(fld, dev, name)
 
@@ -38,7 +40,8 @@ func TestGlobalKey(t *testing.T) {
 	fld := []byte("folder6789012345678901234567890123456789012345678901234567890123")
 	name := []byte("name")
 
-	db := &Instance{}
+	db := OpenMemory()
+	db.folderIdx.ID(fld)
 
 	key := db.globalKey(fld, name)
 

lib/db/set.go

@@ -97,7 +97,7 @@ func NewFileSet(folder string, db *Instance) *FileSet {
 		localVersion: make(map[protocol.DeviceID]int64),
 		folder:       folder,
 		db:           db,
-		blockmap:     NewBlockMap(db, folder),
+		blockmap:     NewBlockMap(db, db.folderIdx.ID([]byte(folder))),
 		mutex:        sync.NewMutex(),
 	}
 
@@ -244,7 +244,7 @@ func DropFolder(db *Instance, folder string) {
 	db.dropFolder([]byte(folder))
 	bm := &BlockMap{
 		db:     db,
-		folder: folder,
+		folder: db.folderIdx.ID([]byte(folder)),
 	}
 	bm.Drop()
 	NewVirtualMtimeRepo(db, folder).Drop()

lib/db/virtualmtime.go

@@ -7,6 +7,7 @@
 package db
 
 import (
+	"encoding/binary"
 	"fmt"
 	"time"
 )
@@ -24,10 +25,12 @@ type VirtualMtimeRepo struct {
 }
 
 func NewVirtualMtimeRepo(ldb *Instance, folder string) *VirtualMtimeRepo {
-	prefix := string(KeyTypeVirtualMtime) + folder
+	var prefix [5]byte // key type + 4 bytes folder idx number
+	prefix[0] = KeyTypeVirtualMtime
+	binary.BigEndian.PutUint32(prefix[1:], ldb.folderIdx.ID([]byte(folder)))
 
 	return &VirtualMtimeRepo{
-		ns: NewNamespacedKV(ldb, prefix),
+		ns: NewNamespacedKV(ldb, string(prefix[:])),
 	}
 }
 

lib/discover/cache.go

@@ -26,7 +26,7 @@ type CachingMux struct {
 	*suture.Supervisor
 	finders []cachedFinder
 	caches  []*cache
-	mut     sync.Mutex
+	mut     sync.RWMutex
 }
 
 // A cachedFinder is a Finder with associated cache timeouts.
@@ -54,7 +54,7 @@ type cachedError interface {
 func NewCachingMux() *CachingMux {
 	return &CachingMux{
 		Supervisor: suture.NewSimple("discover.cachingMux"),
-		mut:        sync.NewMutex(),
+		mut:        sync.NewRWMutex(),
 	}
 }
 
@@ -65,8 +65,8 @@ func (m *CachingMux) Add(finder Finder, cacheTime, negCacheTime time.Duration, p
 	m.caches = append(m.caches, newCache())
 	m.mut.Unlock()
 
-	if svc, ok := finder.(suture.Service); ok {
-		m.Supervisor.Add(svc)
+	if service, ok := finder.(suture.Service); ok {
+		m.Supervisor.Add(service)
 	}
 }
 
@@ -75,7 +75,7 @@ func (m *CachingMux) Add(finder Finder, cacheTime, negCacheTime time.Duration, p
 func (m *CachingMux) Lookup(deviceID protocol.DeviceID) (direct []string, relays []Relay, err error) {
 	var pdirect []prioritizedAddress
 
-	m.mut.Lock()
+	m.mut.RLock()
 	for i, finder := range m.finders {
 		if cacheEntry, ok := m.caches[i].Get(deviceID); ok {
 			// We have a cache entry. Lets see what it says.
@@ -129,7 +129,7 @@ func (m *CachingMux) Lookup(deviceID protocol.DeviceID) (direct []string, relays
 			m.caches[i].Set(deviceID, entry)
 		}
 	}
-	m.mut.Unlock()
+	m.mut.RUnlock()
 
 	direct = uniqueSortedAddrs(pdirect)
 	relays = uniqueSortedRelays(relays)
@@ -149,12 +149,12 @@ func (m *CachingMux) Error() error {
 }
 
 func (m *CachingMux) ChildErrors() map[string]error {
-	m.mut.Lock()
 	children := make(map[string]error, len(m.finders))
+	m.mut.RLock()
 	for _, f := range m.finders {
 		children[f.String()] = f.Error()
 	}
-	m.mut.Unlock()
+	m.mut.RUnlock()
 	return children
 }
 
@@ -163,7 +163,7 @@ func (m *CachingMux) Cache() map[protocol.DeviceID]CacheEntry {
 	// children's caches.
 	res := make(map[protocol.DeviceID]CacheEntry)
 
-	m.mut.Lock()
+	m.mut.RLock()
 	for i := range m.finders {
 		// Each finder[i] has a corresponding cache at cache[i]. Go through it
 		// and populate the total, if it's newer than what's already in there.
@@ -183,7 +183,7 @@ func (m *CachingMux) Cache() map[protocol.DeviceID]CacheEntry {
 			}
 		}
 	}
-	m.mut.Unlock()
+	m.mut.RUnlock()
 
 	return res
 }

lib/discover/cache_test.go

@@ -91,3 +91,55 @@ func (f *fakeDiscovery) String() string {
 func (f *fakeDiscovery) Cache() map[protocol.DeviceID]CacheEntry {
 	return nil
 }
+
+func TestCacheSlowLookup(t *testing.T) {
+	c := NewCachingMux()
+	c.ServeBackground()
+	defer c.Stop()
+
+	// Add a slow discovery service.
+
+	started := make(chan struct{})
+	f1 := &slowDiscovery{time.Second, started}
+	c.Add(f1, time.Minute, 0, 0)
+
+	// Start a lookup, which will take at least a second
+
+	t0 := time.Now()
+	go c.Lookup(protocol.LocalDeviceID)
+	<-started // The slow lookup method has been called so we're inside the lock
+
+	// It should be possible to get ChildErrors while it's running
+
+	c.ChildErrors()
+
+	// Only a small amount of time should have passed, not the full second
+
+	diff := time.Since(t0)
+	if diff > 500*time.Millisecond {
+		t.Error("ChildErrors was blocked for", diff)
+	}
+}
+
+type slowDiscovery struct {
+	delay   time.Duration
+	started chan struct{}
+}
+
+func (f *slowDiscovery) Lookup(deviceID protocol.DeviceID) (direct []string, relays []Relay, err error) {
+	close(f.started)
+	time.Sleep(f.delay)
+	return nil, nil, nil
+}
+
+func (f *slowDiscovery) Error() error {
+	return nil
+}
+
+func (f *slowDiscovery) String() string {
+	return "fake"
+}
+
+func (f *slowDiscovery) Cache() map[protocol.DeviceID]CacheEntry {
+	return nil
+}

lib/model/model.go

@@ -520,11 +520,7 @@ func (m *Model) Index(deviceID protocol.DeviceID, folder string, fs []protocol.F
 	l.Debugf("IDX(in): %s %q: %d files", deviceID, folder, len(fs))
 
 	if !m.folderSharedWith(folder, deviceID) {
-		events.Default.Log(events.FolderRejected, map[string]string{
-			"folder": folder,
-			"device": deviceID.String(),
-		})
-		l.Infof("Unexpected folder ID %q sent from device %q; ensure that the folder exists and that this device is selected under \"Share With\" in the folder configuration.", folder, deviceID)
+		l.Debugf("Unexpected folder ID %q sent from device %q; ensure that the folder exists and that this device is selected under \"Share With\" in the folder configuration.", folder, deviceID)
 		return
 	}
 
@@ -566,7 +562,7 @@ func (m *Model) IndexUpdate(deviceID protocol.DeviceID, folder string, fs []prot
 	l.Debugf("%v IDXUP(in): %s / %q: %d files", m, deviceID, folder, len(fs))
 
 	if !m.folderSharedWith(folder, deviceID) {
-		l.Infof("Update for unexpected folder ID %q sent from device %q; ensure that the folder exists and that this device is selected under \"Share With\" in the folder configuration.", folder, deviceID)
+		l.Debugf("Update for unexpected folder ID %q sent from device %q; ensure that the folder exists and that this device is selected under \"Share With\" in the folder configuration.", folder, deviceID)
 		return
 	}
 
@@ -596,6 +592,10 @@ func (m *Model) IndexUpdate(deviceID protocol.DeviceID, folder string, fs []prot
 func (m *Model) folderSharedWith(folder string, deviceID protocol.DeviceID) bool {
 	m.fmut.RLock()
 	defer m.fmut.RUnlock()
+	return m.folderSharedWithUnlocked(folder, deviceID)
+}
+
+func (m *Model) folderSharedWithUnlocked(folder string, deviceID protocol.DeviceID) bool {
 	for _, nfolder := range m.deviceFolders[deviceID] {
 		if nfolder == folder {
 			return true
@@ -629,6 +629,37 @@ func (m *Model) ClusterConfig(deviceID protocol.DeviceID, cm protocol.ClusterCon
 
 	m.pmut.Unlock()
 
+	// Check the peer device's announced folders against our own. Emits events
+	// for folders that we don't expect (unknown or not shared).
+
+	m.fmut.Lock()
+nextFolder:
+	for _, folder := range cm.Folders {
+		cfg := m.folderCfgs[folder.ID]
+
+		if _, err := protocol.HashAlgorithmFromFlagBits(folder.Flags); err != nil {
+			// The hash algorithm failed to deserialize, so it's not SHA256
+			// (the only acceptable algorithm).
+			l.Warnf("Device %v: %v", deviceID, err)
+			cfg.Invalid = err.Error() + " from " + deviceID.String()
+			m.cfg.SetFolder(cfg)
+			if srv := m.folderRunners[folder.ID]; srv != nil {
+				srv.setError(fmt.Errorf(cfg.Invalid))
+			}
+			continue nextFolder
+		}
+
+		if !m.folderSharedWithUnlocked(folder.ID, deviceID) {
+			events.Default.Log(events.FolderRejected, map[string]string{
+				"folder": folder.ID,
+				"device": deviceID.String(),
+			})
+			l.Infof("Unexpected folder ID %q sent from device %q; ensure that the folder exists and that this device is selected under \"Share With\" in the folder configuration.", folder.ID, deviceID)
+			continue
+		}
+	}
+	m.fmut.Unlock()
+
 	events.Default.Log(events.DeviceConnected, event)
 
 	l.Infof(`Device %s client is "%s %s" named "%s"`, deviceID, cm.ClientName, cm.ClientVersion, cm.DeviceName)
@@ -893,6 +924,10 @@ func (m *Model) GetIgnores(folder string) ([]string, []string, error) {
 		return lines, nil, fmt.Errorf("Folder %s does not exist", folder)
 	}
 
+	if !cfg.HasMarker() {
+		return lines, nil, fmt.Errorf("Folder %s stopped", folder)
+	}
+
 	fd, err := os.Open(filepath.Join(cfg.Path(), ".stignore"))
 	if err != nil {
 		if os.IsNotExist(err) {
@@ -1128,10 +1163,16 @@ func (m *Model) updateLocals(folder string, fs []protocol.FileInfo) {
 	m.fmut.RUnlock()
 	files.Update(protocol.LocalDeviceID, fs)
 
+	filenames := make([]string, len(fs))
+	for i, file := range fs {
+		filenames[i] = file.Name
+	}
+
 	events.Default.Log(events.LocalIndexUpdated, map[string]interface{}{
-		"folder":  folder,
-		"items":   len(fs),
-		"version": files.LocalVersion(protocol.LocalDeviceID),
+		"folder":    folder,
+		"items":     len(fs),
+		"filenames": filenames,
+		"version":   files.LocalVersion(protocol.LocalDeviceID),
 	})
 }
 
@@ -1753,8 +1794,11 @@ func (m *Model) CheckFolderHealth(id string) error {
 			// Check for free space, if it isn't a master folder. We aren't
 			// going to change the contents of master folders, so we don't
 			// care about the amount of free space there.
-			if free, errDfp := osutil.DiskFreePercentage(folder.Path()); errDfp == nil && free < folder.MinDiskFreePct {
-				err = errors.New("insufficient free space")
+			diskFreeP, errDfp := osutil.DiskFreePercentage(folder.Path())
+			if errDfp == nil && diskFreeP < folder.MinDiskFreePct {
+				diskFreeBytes, _ := osutil.DiskFreeBytes(folder.Path())
+				str := fmt.Sprintf("insufficient free space (%d MiB, %.2f%%)", diskFreeBytes/1024/1024, diskFreeP)
+				err = errors.New(str)
 			}
 		}
 	} else {

lib/model/model_test.go

@@ -514,13 +514,11 @@ func TestIgnores(t *testing.T) {
 		t.Error("No error")
 	}
 
+	// Invalid path, marker should be missing, hence returns an error.
 	m.AddFolder(config.FolderConfiguration{ID: "fresh", RawPath: "XXX"})
 	ignores, _, err = m.GetIgnores("fresh")
-	if err != nil {
-		t.Error(err)
-	}
-	if len(ignores) > 0 {
-		t.Errorf("Expected no ignores, got: %v", ignores)
+	if err == nil {
+		t.Error("No error")
 	}
 }
 

lib/model/rwfolder.go

@@ -14,6 +14,7 @@ import (
 	"os"
 	"path/filepath"
 	"sort"
+	"strings"
 	"time"
 
 	"github.com/syncthing/syncthing/lib/config"
@@ -79,19 +80,20 @@ type rwFolder struct {
 	progressEmitter  *ProgressEmitter
 	virtualMtimeRepo *db.VirtualMtimeRepo
 
-	folder       string
-	dir          string
-	scanIntv     time.Duration
-	versioner    versioner.Versioner
-	ignorePerms  bool
-	copiers      int
-	pullers      int
-	shortID      uint64
-	order        config.PullOrder
-	maxConflicts int
-	sleep        time.Duration
-	pause        time.Duration
-	allowSparse  bool
+	folder         string
+	dir            string
+	scanIntv       time.Duration
+	versioner      versioner.Versioner
+	ignorePerms    bool
+	copiers        int
+	pullers        int
+	shortID        uint64
+	order          config.PullOrder
+	maxConflicts   int
+	sleep          time.Duration
+	pause          time.Duration
+	allowSparse    bool
+	checkFreeSpace bool
 
 	stop        chan struct{}
 	queue       *jobQueue
@@ -117,16 +119,17 @@ func newRWFolder(m *Model, shortID uint64, cfg config.FolderConfiguration) *rwFo
 		progressEmitter:  m.progressEmitter,
 		virtualMtimeRepo: db.NewVirtualMtimeRepo(m.db, cfg.ID),
 
-		folder:       cfg.ID,
-		dir:          cfg.Path(),
-		scanIntv:     time.Duration(cfg.RescanIntervalS) * time.Second,
-		ignorePerms:  cfg.IgnorePerms,
-		copiers:      cfg.Copiers,
-		pullers:      cfg.Pullers,
-		shortID:      shortID,
-		order:        cfg.Order,
-		maxConflicts: cfg.MaxConflicts,
-		allowSparse:  !cfg.DisableSparseFiles,
+		folder:         cfg.ID,
+		dir:            cfg.Path(),
+		scanIntv:       time.Duration(cfg.RescanIntervalS) * time.Second,
+		ignorePerms:    cfg.IgnorePerms,
+		copiers:        cfg.Copiers,
+		pullers:        cfg.Pullers,
+		shortID:        shortID,
+		order:          cfg.Order,
+		maxConflicts:   cfg.MaxConflicts,
+		allowSparse:    !cfg.DisableSparseFiles,
+		checkFreeSpace: cfg.MinDiskFreePct != 0,
 
 		stop:        make(chan struct{}),
 		queue:       newJobQueue(),
@@ -967,23 +970,11 @@ func (p *rwFolder) handleFile(file protocol.FileInfo, copyChan chan<- copyBlocks
 		}
 	}
 
-	if free, err := osutil.DiskFreeBytes(p.dir); err == nil && free < file.Size() {
-		l.Warnf(`Folder "%s": insufficient disk space in %s for %s: have %.2f MiB, need %.2f MiB`, p.folder, p.dir, file.Name, float64(free)/1024/1024, float64(file.Size())/1024/1024)
-		p.newError(file.Name, errors.New("insufficient space"))
-		return
-	}
-
-	events.Default.Log(events.ItemStarted, map[string]string{
-		"folder": p.folder,
-		"item":   file.Name,
-		"type":   "file",
-		"action": "update",
-	})
-
 	scanner.PopulateOffsets(file.Blocks)
 
 	reused := 0
 	var blocks []protocol.BlockInfo
+	var blocksSize int64
 
 	// Check for an old temporary file which might have some blocks we could
 	// reuse.
@@ -1003,6 +994,7 @@ func (p *rwFolder) handleFile(file protocol.FileInfo, copyChan chan<- copyBlocks
 			_, ok := existingBlocks[block.String()]
 			if !ok {
 				blocks = append(blocks, block)
+				blocksSize += int64(block.Size)
 			}
 		}
 
@@ -1017,8 +1009,24 @@ func (p *rwFolder) handleFile(file protocol.FileInfo, copyChan chan<- copyBlocks
 		}
 	} else {
 		blocks = file.Blocks
+		blocksSize = file.Size()
 	}
 
+	if p.checkFreeSpace {
+		if free, err := osutil.DiskFreeBytes(p.dir); err == nil && free < blocksSize {
+			l.Warnf(`Folder "%s": insufficient disk space in %s for %s: have %.2f MiB, need %.2f MiB`, p.folder, p.dir, file.Name, float64(free)/1024/1024, float64(blocksSize)/1024/1024)
+			p.newError(file.Name, errors.New("insufficient space"))
+			return
+		}
+	}
+
+	events.Default.Log(events.ItemStarted, map[string]string{
+		"folder": p.folder,
+		"item":   file.Name,
+		"type":   "file",
+		"action": "update",
+	})
+
 	s := sharedPullerState{
 		file:        file,
 		folder:      p.folder,
@@ -1486,6 +1494,14 @@ func removeDevice(devices []protocol.DeviceID, device protocol.DeviceID) []proto
 }
 
 func (p *rwFolder) moveForConflict(name string) error {
+	if strings.Contains(filepath.Base(name), ".sync-conflict-") {
+		l.Infoln("Conflict for", name, "which is already a conflict copy; not copying again.")
+		if err := osutil.Remove(name); err != nil && !os.IsNotExist(err) {
+			return err
+		}
+		return nil
+	}
+
 	if p.maxConflicts == 0 {
 		if err := osutil.Remove(name); err != nil && !os.IsNotExist(err) {
 			return err

lib/model/rwfolder_test.go

@@ -42,6 +42,40 @@ var blocks = []protocol.BlockInfo{
 
 var folders = []string{"default"}
 
+func setUpFile(filename string, blockNumbers []int) protocol.FileInfo {
+	// Create existing file
+	existingBlocks := make([]protocol.BlockInfo, len(blockNumbers))
+	for i := range blockNumbers {
+		existingBlocks[i] = blocks[blockNumbers[i]]
+	}
+
+	return protocol.FileInfo{
+		Name:     filename,
+		Flags:    0,
+		Modified: 0,
+		Blocks:   existingBlocks,
+	}
+}
+
+func setUpModel(file protocol.FileInfo) *Model {
+	db := db.OpenMemory()
+	model := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
+	model.AddFolder(defaultFolderConfig)
+	// Update index
+	model.updateLocals("default", []protocol.FileInfo{file})
+	return model
+}
+
+func setUpRwFolder(model *Model) rwFolder {
+	return rwFolder{
+		folder:    "default",
+		dir:       "testdata",
+		model:     model,
+		errors:    make(map[string]string),
+		errorsMut: sync.NewMutex(),
+	}
+}
+
 // Layout of the files: (indexes from the above array)
 // 12345678 - Required file
 // 02005008 - Existing file (currently in the index)
@@ -52,35 +86,13 @@ func TestHandleFile(t *testing.T) {
 	// Copy: 2, 5, 8
 	// Pull: 1, 3, 4, 6, 7
 
-	// Create existing file
-	existingFile := protocol.FileInfo{
-		Name:     "filex",
-		Flags:    0,
-		Modified: 0,
-		Blocks: []protocol.BlockInfo{
-			blocks[0], blocks[2], blocks[0], blocks[0],
-			blocks[5], blocks[0], blocks[0], blocks[8],
-		},
-	}
-
-	// Create target file
+	existingBlocks := []int{0, 2, 0, 0, 5, 0, 0, 8}
+	existingFile := setUpFile("filex", existingBlocks)
 	requiredFile := existingFile
 	requiredFile.Blocks = blocks[1:]
 
-	db := db.OpenMemory()
-	m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
-	m.AddFolder(defaultFolderConfig)
-	// Update index
-	m.updateLocals("default", []protocol.FileInfo{existingFile})
-
-	p := rwFolder{
-		folder:    "default",
-		dir:       "testdata",
-		model:     m,
-		errors:    make(map[string]string),
-		errorsMut: sync.NewMutex(),
-	}
-
+	m := setUpModel(existingFile)
+	p := setUpRwFolder(m)
 	copyChan := make(chan copyBlocksState, 1)
 
 	p.handleFile(requiredFile, copyChan, nil)
@@ -108,35 +120,13 @@ func TestHandleFileWithTemp(t *testing.T) {
 	// Copy: 5, 8
 	// Pull: 1, 6
 
-	// Create existing file
-	existingFile := protocol.FileInfo{
-		Name:     "file",
-		Flags:    0,
-		Modified: 0,
-		Blocks: []protocol.BlockInfo{
-			blocks[0], blocks[2], blocks[0], blocks[0],
-			blocks[5], blocks[0], blocks[0], blocks[8],
-		},
-	}
-
-	// Create target file
+	existingBlocks := []int{0, 2, 0, 0, 5, 0, 0, 8}
+	existingFile := setUpFile("file", existingBlocks)
 	requiredFile := existingFile
 	requiredFile.Blocks = blocks[1:]
 
-	db := db.OpenMemory()
-	m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
-	m.AddFolder(defaultFolderConfig)
-	// Update index
-	m.updateLocals("default", []protocol.FileInfo{existingFile})
-
-	p := rwFolder{
-		folder:    "default",
-		dir:       "testdata",
-		model:     m,
-		errors:    make(map[string]string),
-		errorsMut: sync.NewMutex(),
-	}
-
+	m := setUpModel(existingFile)
+	p := setUpRwFolder(m)
 	copyChan := make(chan copyBlocksState, 1)
 
 	p.handleFile(requiredFile, copyChan, nil)
@@ -169,47 +159,14 @@ func TestCopierFinder(t *testing.T) {
 		t.Error(err)
 	}
 
-	// Create existing file
-	existingFile := protocol.FileInfo{
-		Name:     defTempNamer.TempName("file"),
-		Flags:    0,
-		Modified: 0,
-		Blocks: []protocol.BlockInfo{
-			blocks[0], blocks[2], blocks[3], blocks[4],
-			blocks[0], blocks[0], blocks[7], blocks[0],
-		},
-	}
-
-	// Create target file
+	existingBlocks := []int{0, 2, 3, 4, 0, 0, 7, 0}
+	existingFile := setUpFile(defTempNamer.TempName("file"), existingBlocks)
 	requiredFile := existingFile
 	requiredFile.Blocks = blocks[1:]
 	requiredFile.Name = "file2"
 
-	db := db.OpenMemory()
-	m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
-	m.AddFolder(defaultFolderConfig)
-	// Update index
-	m.updateLocals("default", []protocol.FileInfo{existingFile})
-
-	iterFn := func(folder, file string, index int32) bool {
-		return true
-	}
-
-	// Verify that the blocks we say exist on file, really exist in the db.
-	for _, idx := range []int{2, 3, 4, 7} {
-		if m.finder.Iterate(folders, blocks[idx].Hash, iterFn) == false {
-			t.Error("Didn't find block")
-		}
-	}
-
-	p := rwFolder{
-		folder:    "default",
-		dir:       "testdata",
-		model:     m,
-		errors:    make(map[string]string),
-		errorsMut: sync.NewMutex(),
-	}
-
+	m := setUpModel(existingFile)
+	p := setUpRwFolder(m)
 	copyChan := make(chan copyBlocksState)
 	pullChan := make(chan pullBlockState, 4)
 	finisherChan := make(chan *sharedPullerState, 1)
@@ -262,24 +219,9 @@ func TestCopierCleanup(t *testing.T) {
 		return true
 	}
 
-	db := db.OpenMemory()
-	m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
-	m.AddFolder(defaultFolderConfig)
-
 	// Create a file
-	file := protocol.FileInfo{
-		Name:     "test",
-		Flags:    0,
-		Modified: 0,
-		Blocks:   []protocol.BlockInfo{blocks[0]},
-	}
-
-	// Add file to index
-	m.updateLocals("default", []protocol.FileInfo{file})
-
-	if !m.finder.Iterate(folders, blocks[0].Hash, iterFn) {
-		t.Error("Expected block not found")
-	}
+	file := setUpFile("test", []int{0})
+	m := setUpModel(file)
 
 	file.Blocks = []protocol.BlockInfo{blocks[1]}
 	file.Version = file.Version.Update(protocol.LocalDeviceID.Short())
@@ -311,19 +253,10 @@ func TestCopierCleanup(t *testing.T) {
 // Make sure that the copier routine hashes the content when asked, and pulls
 // if it fails to find the block.
 func TestLastResortPulling(t *testing.T) {
-	db := db.OpenMemory()
-	m := NewModel(defaultConfig, protocol.LocalDeviceID, "device", "syncthing", "dev", db, nil)
-	m.AddFolder(defaultFolderConfig)
-
 	// Add a file to index (with the incorrect block representation, as content
 	// doesn't actually match the block list)
-	file := protocol.FileInfo{
-		Name:     "empty",
-		Flags:    0,
-		Modified: 0,
-		Blocks:   []protocol.BlockInfo{blocks[0]},
-	}
-	m.updateLocals("default", []protocol.FileInfo{file})
+	file := setUpFile("empty", []int{0})
+	m := setUpModel(file)
 
 	// Pretend that we are handling a new file of the same content but
 	// with a different name (causing to copy that particular block)
@@ -333,18 +266,7 @@ func TestLastResortPulling(t *testing.T) {
 		return true
 	}
 
-	// Check that that particular block is there
-	if !m.finder.Iterate(folders, blocks[0].Hash, iterFn) {
-		t.Error("Expected block not found")
-	}
-
-	p := rwFolder{
-		folder:    "default",
-		dir:       "testdata",
-		model:     m,
-		errors:    make(map[string]string),
-		errorsMut: sync.NewMutex(),
-	}
+	p := setUpRwFolder(m)
 
 	copyChan := make(chan copyBlocksState)
 	pullChan := make(chan pullBlockState, 1)
@@ -374,15 +296,7 @@ func TestLastResortPulling(t *testing.T) {
 }
 
 func TestDeregisterOnFailInCopy(t *testing.T) {
-	file := protocol.FileInfo{
-		Name:     "filex",
-		Flags:    0,
-		Modified: 0,
-		Blocks: []protocol.BlockInfo{
-			blocks[0], blocks[2], blocks[0], blocks[0],
-			blocks[5], blocks[0], blocks[0], blocks[8],
-		},
-	}
+	file := setUpFile("filex", []int{0, 2, 0, 0, 5, 0, 0, 8})
 	defer os.Remove("testdata/" + defTempNamer.TempName("filex"))
 
 	db := db.OpenMemory()
@@ -467,15 +381,7 @@ func TestDeregisterOnFailInCopy(t *testing.T) {
 }
 
 func TestDeregisterOnFailInPull(t *testing.T) {
-	file := protocol.FileInfo{
-		Name:     "filex",
-		Flags:    0,
-		Modified: 0,
-		Blocks: []protocol.BlockInfo{
-			blocks[0], blocks[2], blocks[0], blocks[0],
-			blocks[5], blocks[0], blocks[0], blocks[8],
-		},
-	}
+	file := setUpFile("filex", []int{0, 2, 0, 0, 5, 0, 0, 8})
 	defer os.Remove("testdata/" + defTempNamer.TempName("filex"))
 
 	db := db.OpenMemory()

lib/osutil/lan.go

@@ -4,8 +4,6 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this file,
 // You can obtain one at http://mozilla.org/MPL/2.0/.
 
-// +build !windows
-
 package osutil
 
 import (

lib/osutil/lan_windows.go

@@ -1,83 +0,0 @@
-// Copyright (C) 2015 The Syncthing Authors.
-//
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this file,
-// You can obtain one at http://mozilla.org/MPL/2.0/.
-
-// +build windows
-
-package osutil
-
-import (
-	"net"
-	"os"
-	"strings"
-	"syscall"
-	"unsafe"
-)
-
-// Modified version of:
-// http://stackoverflow.com/questions/23529663/how-to-get-all-addresses-and-masks-from-local-interfaces-in-go
-// v4 only!
-
-func getAdapterList() (*syscall.IpAdapterInfo, error) {
-	b := make([]byte, 10240)
-	l := uint32(len(b))
-	a := (*syscall.IpAdapterInfo)(unsafe.Pointer(&b[0]))
-	// TODO(mikio): GetAdaptersInfo returns IP_ADAPTER_INFO that
-	// contains IPv4 address list only. We should use another API
-	// for fetching IPv6 stuff from the kernel.
-	err := syscall.GetAdaptersInfo(a, &l)
-	if err == syscall.ERROR_BUFFER_OVERFLOW {
-		b = make([]byte, l)
-		a = (*syscall.IpAdapterInfo)(unsafe.Pointer(&b[0]))
-		err = syscall.GetAdaptersInfo(a, &l)
-	}
-	if err != nil {
-		return nil, os.NewSyscallError("GetAdaptersInfo", err)
-	}
-	return a, nil
-}
-
-func GetLans() ([]*net.IPNet, error) {
-	ifaces, err := net.Interfaces()
-	if err != nil {
-		return nil, err
-	}
-
-	nets := make([]*net.IPNet, 0, len(ifaces))
-
-	aList, err := getAdapterList()
-	if err != nil {
-		return nil, err
-	}
-
-	for _, ifi := range ifaces {
-		for ai := aList; ai != nil; ai = ai.Next {
-			index := ai.Index
-
-			if ifi.Index == int(index) {
-				ipl := &ai.IpAddressList
-				for ; ipl != nil; ipl = ipl.Next {
-					ipStr := strings.Trim(string(ipl.IpAddress.String[:]), "\x00")
-					maskStr := strings.Trim(string(ipl.IpMask.String[:]), "\x00")
-					ip := net.ParseIP(ipStr)
-					maskip := net.ParseIP(maskStr)
-					if ip.IsUnspecified() || maskip.IsUnspecified() {
-						continue
-					}
-					nets = append(nets, &net.IPNet{
-						IP: ip,
-						Mask: net.IPv4Mask(
-							maskip[net.IPv6len-net.IPv4len],
-							maskip[net.IPv6len-net.IPv4len+1],
-							maskip[net.IPv6len-net.IPv4len+2],
-							maskip[net.IPv6len-net.IPv4len+3],
-						),
-					})
-				}
-			}
-		}
-	}
-	return nets, err
-}

lib/protocol/hashalgorithm.go

@@ -0,0 +1,54 @@
+// Copyright (C) 2016 The Protocol Authors.
+
+package protocol
+
+import "fmt"
+
+type HashAlgorithm int
+
+const (
+	SHA256 HashAlgorithm = iota
+)
+
+func (h HashAlgorithm) String() string {
+	switch h {
+	case SHA256:
+		return "sha256"
+	default:
+		return "unknown"
+	}
+}
+
+// FlagBits returns the bits that we should or into the folder flag field to
+// indicate the hash algorithm.
+func (h HashAlgorithm) FlagBits() uint32 {
+	switch h {
+	case SHA256:
+		return FolderHashSHA256 << FolderHashShiftBits
+	default:
+		panic("unknown hash algorithm")
+	}
+}
+
+func (h *HashAlgorithm) UnmarshalText(bs []byte) error {
+	switch string(bs) {
+	case "sha256":
+		*h = SHA256
+		return nil
+	}
+	return fmt.Errorf("Unknown hash algorithm %q", string(bs))
+}
+
+func (h *HashAlgorithm) MarshalText() ([]byte, error) {
+	return []byte(h.String()), nil
+}
+
+func HashAlgorithmFromFlagBits(flags uint32) (HashAlgorithm, error) {
+	algo := flags >> FolderHashShiftBits & FolderHashMask
+	switch algo {
+	case FolderHashSHA256:
+		return SHA256, nil
+	default:
+		return 0, fmt.Errorf("Unknown hash algorithm %d", algo)
+	}
+}

lib/protocol/hashalgorithm_test.go

@@ -0,0 +1,35 @@
+// Copyright (C) 2016 The Protocol Authors.
+
+package protocol
+
+import "testing"
+
+/*
+   0                   1                   2                   3
+    0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+   |                       Reserved                  | Hash  |D|P|R|
+   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
+func TestHashAlgorithmFromFlagBits(t *testing.T) {
+	// SHA256 is algorithm zero, shifted three bits to the left (for clarity,
+	// I know it doesn't actually do anything).
+
+	sha256 := uint32(0 << 3)
+
+	h, err := HashAlgorithmFromFlagBits(sha256)
+	if err != nil {
+		t.Error(err)
+	}
+	if h != SHA256 {
+		t.Error("Zero should have unmarshalled as SHA256")
+	}
+
+	// Any other algorithm is unknown
+	unknown := uint32(1 << 3)
+
+	_, err = HashAlgorithmFromFlagBits(unknown)
+	if err == nil {
+		t.Error("Unknown algo should not have unmarshalled")
+	}
+}

lib/protocol/protocol.go

@@ -66,6 +66,13 @@ const (
 	FlagFolderReadOnly     uint32 = 1 << 0
 	FlagFolderIgnorePerms         = 1 << 1
 	FlagFolderIgnoreDelete        = 1 << 2
+
+	// The folder hash algorithm IDs, to be put in the flags field by shifting
+	// left FolderHashShiftBits
+	FolderHashSHA256 = 0
+	// ... 1 through 15 currently reserved
+	FolderHashMask      = 15
+	FolderHashShiftBits = 3
 )
 
 // ClusterConfigMessage.Folders.Devices flags

lib/protocol/protocol_test.go

@@ -34,7 +34,6 @@ func TestMain(m *testing.M) {
 }
 
 func TestHeaderFunctions(t *testing.T) {
-	t.Parallel()
 	f := func(ver, id, typ int) bool {
 		ver = int(uint(ver) % 16)
 		id = int(uint(id) % 4096)
@@ -49,7 +48,6 @@ func TestHeaderFunctions(t *testing.T) {
 }
 
 func TestHeaderLayout(t *testing.T) {
-	t.Parallel()
 	var e, a uint32
 
 	// Version are the first four bits
@@ -75,7 +73,6 @@ func TestHeaderLayout(t *testing.T) {
 }
 
 func TestPing(t *testing.T) {
-	t.Parallel()
 	ar, aw := io.Pipe()
 	br, bw := io.Pipe()
 
@@ -95,7 +92,6 @@ func TestPing(t *testing.T) {
 }
 
 func TestVersionErr(t *testing.T) {
-	t.Parallel()
 	m0 := newTestModel()
 	m1 := newTestModel()
 
@@ -123,7 +119,6 @@ func TestVersionErr(t *testing.T) {
 }
 
 func TestTypeErr(t *testing.T) {
-	t.Parallel()
 	m0 := newTestModel()
 	m1 := newTestModel()
 
@@ -151,7 +146,6 @@ func TestTypeErr(t *testing.T) {
 }
 
 func TestClose(t *testing.T) {
-	t.Parallel()
 	m0 := newTestModel()
 	m1 := newTestModel()
 
@@ -187,7 +181,6 @@ func TestClose(t *testing.T) {
 }
 
 func TestElementSizeExceededNested(t *testing.T) {
-	t.Parallel()
 	m := ClusterConfigMessage{
 		ClientName: "longstringlongstringlongstringinglongstringlongstringlonlongstringlongstringlon",
 	}
@@ -198,7 +191,6 @@ func TestElementSizeExceededNested(t *testing.T) {
 }
 
 func TestMarshalIndexMessage(t *testing.T) {
-	t.Parallel()
 	f := func(m1 IndexMessage) bool {
 		for i, f := range m1.Files {
 			m1.Files[i].CachedSize = 0
@@ -219,7 +211,6 @@ func TestMarshalIndexMessage(t *testing.T) {
 }
 
 func TestMarshalRequestMessage(t *testing.T) {
-	t.Parallel()
 	f := func(m1 RequestMessage) bool {
 		return testMarshal(t, "request", &m1, &RequestMessage{})
 	}
@@ -230,7 +221,6 @@ func TestMarshalRequestMessage(t *testing.T) {
 }
 
 func TestMarshalResponseMessage(t *testing.T) {
-	t.Parallel()
 	f := func(m1 ResponseMessage) bool {
 		if len(m1.Data) == 0 {
 			m1.Data = nil
@@ -244,7 +234,6 @@ func TestMarshalResponseMessage(t *testing.T) {
 }
 
 func TestMarshalClusterConfigMessage(t *testing.T) {
-	t.Parallel()
 	f := func(m1 ClusterConfigMessage) bool {
 		return testMarshal(t, "clusterconfig", &m1, &ClusterConfigMessage{})
 	}
@@ -255,7 +244,6 @@ func TestMarshalClusterConfigMessage(t *testing.T) {
 }
 
 func TestMarshalCloseMessage(t *testing.T) {
-	t.Parallel()
 	f := func(m1 CloseMessage) bool {
 		return testMarshal(t, "close", &m1, &CloseMessage{})
 	}

lib/relay/client/static.go

@@ -88,7 +88,6 @@ func (c *staticClient) Serve() {
 
 	l.Debugln(c, "joined", c.conn.RemoteAddr(), "via", c.conn.LocalAddr())
 
-	defer c.cleanup()
 	c.mut.Lock()
 	c.connected = true
 	c.mut.Unlock()
@@ -110,10 +109,10 @@ func (c *staticClient) Serve() {
 			case protocol.Ping:
 				if err := protocol.WriteMessage(c.conn, protocol.Pong{}); err != nil {
 					l.Infoln("Relay write:", err)
-					return
-
+					c.disconnect()
+				} else {
+					l.Debugln(c, "sent pong")
 				}
-				l.Debugln(c, "sent pong")
 
 			case protocol.SessionInvitation:
 				ip := net.IP(msg.Address)
@@ -124,24 +123,38 @@ func (c *staticClient) Serve() {
 
 			case protocol.RelayFull:
 				l.Infoln("Disconnected from relay due to it becoming full.")
-				return
+				c.disconnect()
 
 			default:
 				l.Infoln("Relay: protocol error: unexpected message %v", msg)
-				return
+				c.disconnect()
 			}
 
 		case <-c.stop:
 			l.Debugln(c, "stopping")
-			return
+			c.disconnect()
 
+		// We always exit via this branch of the select, to make sure the
+		// the reader routine exits.
 		case err := <-errors:
-			l.Infoln("Relay received:", err)
+			close(errors)
+			close(messages)
+			c.mut.Lock()
+			if c.connected {
+				c.conn.Close()
+				c.connected = false
+				l.Infoln("Relay received:", err)
+			}
+			if c.closeInvitationsOnFinish {
+				close(c.invitations)
+				c.invitations = make(chan protocol.SessionInvitation)
+			}
+			c.mut.Unlock()
 			return
 
 		case <-timeout.C:
 			l.Debugln(c, "timed out")
-			return
+			c.disconnect()
 		}
 	}
 }
@@ -200,9 +213,6 @@ func (c *staticClient) connect() error {
 	c.mut.Unlock()
 
 	conn := tls.Client(tcpConn, c.config)
-	if err = conn.Handshake(); err != nil {
-		return err
-	}
 
 	if err := conn.SetDeadline(time.Now().Add(c.connectTimeout)); err != nil {
 		conn.Close()
@@ -218,13 +228,9 @@ func (c *staticClient) connect() error {
 	return nil
 }
 
-func (c *staticClient) cleanup() {
-	l.Debugln(c, "cleaning up")
+func (c *staticClient) disconnect() {
+	l.Debugln(c, "disconnecting")
 	c.mut.Lock()
-	if c.closeInvitationsOnFinish {
-		close(c.invitations)
-		c.invitations = make(chan protocol.SessionInvitation)
-	}
 	c.connected = false
 	c.mut.Unlock()
 

lib/relay/relay.go

@@ -26,7 +26,7 @@ const (
 	eventBroadcasterCheckInterval = 10 * time.Second
 )
 
-type Svc struct {
+type Service struct {
 	*suture.Supervisor
 	cfg    *config.Wrapper
 	tlsCfg *tls.Config
@@ -38,11 +38,11 @@ type Svc struct {
 	conns       chan *tls.Conn
 }
 
-func NewSvc(cfg *config.Wrapper, tlsCfg *tls.Config) *Svc {
+func NewService(cfg *config.Wrapper, tlsCfg *tls.Config) *Service {
 	conns := make(chan *tls.Conn)
 
-	svc := &Svc{
-		Supervisor: suture.New("Svc", suture.Spec{
+	service := &Service{
+		Supervisor: suture.New("Service", suture.Spec{
 			Log: func(log string) {
 				l.Debugln(log)
 			},
@@ -61,28 +61,28 @@ func NewSvc(cfg *config.Wrapper, tlsCfg *tls.Config) *Svc {
 	}
 
 	rcfg := cfg.Raw()
-	svc.CommitConfiguration(rcfg, rcfg)
-	cfg.Subscribe(svc)
+	service.CommitConfiguration(rcfg, rcfg)
+	cfg.Subscribe(service)
 
 	receiver := &invitationReceiver{
 		tlsCfg:      tlsCfg,
 		conns:       conns,
-		invitations: svc.invitations,
+		invitations: service.invitations,
 		stop:        make(chan struct{}),
 	}
 
 	eventBc := &eventBroadcaster{
-		svc:  svc,
-		stop: make(chan struct{}),
+		Service: service,
+		stop:    make(chan struct{}),
 	}
 
-	svc.Add(receiver)
-	svc.Add(eventBc)
+	service.Add(receiver)
+	service.Add(eventBc)
 
-	return svc
+	return service
 }
 
-func (s *Svc) VerifyConfiguration(from, to config.Configuration) error {
+func (s *Service) VerifyConfiguration(from, to config.Configuration) error {
 	for _, addr := range to.Options.RelayServers {
 		_, err := url.Parse(addr)
 		if err != nil {
@@ -92,7 +92,7 @@ func (s *Svc) VerifyConfiguration(from, to config.Configuration) error {
 	return nil
 }
 
-func (s *Svc) CommitConfiguration(from, to config.Configuration) bool {
+func (s *Service) CommitConfiguration(from, to config.Configuration) bool {
 	existing := make(map[string]*url.URL, len(to.Options.RelayServers))
 
 	for _, addr := range to.Options.RelayServers {
@@ -112,7 +112,7 @@ func (s *Svc) CommitConfiguration(from, to config.Configuration) bool {
 			l.Debugln("Connecting to relay", uri)
 			c, err := client.NewClient(uri, s.tlsCfg.Certificates, s.invitations, 10*time.Second)
 			if err != nil {
-				l.Debugln("Failed to connect to relay", uri, err)
+				l.Infoln("Failed to connect to relay", uri, err)
 				continue
 			}
 			s.tokens[key] = s.Add(c)
@@ -142,7 +142,7 @@ type Status struct {
 }
 
 // Relays return the list of relays that currently have an OK status.
-func (s *Svc) Relays() []string {
+func (s *Service) Relays() []string {
 	if s == nil {
 		// A nil client does not have a status, really. Yet we may be called
 		// this way, for raisins...
@@ -162,7 +162,7 @@ func (s *Svc) Relays() []string {
 }
 
 // RelayStatus returns the latency and OK status for a given relay.
-func (s *Svc) RelayStatus(uri string) (time.Duration, bool) {
+func (s *Service) RelayStatus(uri string) (time.Duration, bool) {
 	if s == nil {
 		// A nil client does not have a status, really. Yet we may be called
 		// this way, for raisins...
@@ -182,7 +182,7 @@ func (s *Svc) RelayStatus(uri string) (time.Duration, bool) {
 }
 
 // Accept returns a new *tls.Conn. The connection is already handshaken.
-func (s *Svc) Accept() *tls.Conn {
+func (s *Service) Accept() *tls.Conn {
 	return <-s.conns
 }
 
@@ -234,8 +234,8 @@ func (r *invitationReceiver) Stop() {
 // no way to get the event feed directly from the relay lib. This may be
 // something to revisit later, possibly.
 type eventBroadcaster struct {
-	svc  *Svc
-	stop chan struct{}
+	Service *Service
+	stop    chan struct{}
 }
 
 func (e *eventBroadcaster) Serve() {
@@ -247,7 +247,7 @@ func (e *eventBroadcaster) Serve() {
 	for {
 		select {
 		case <-timer.C:
-			curOKRelays := e.svc.Relays()
+			curOKRelays := e.Service.Relays()
 
 			changed := len(curOKRelays) != len(prevOKRelays)
 			if !changed {