syncthing/lib/config/config_test.go

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// Copyright (C) 2014 The Syncthing Authors.
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//
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// 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 https://mozilla.org/MPL/2.0/.
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package config
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import (
"bytes"
"context"
"encoding/json"
"encoding/xml"
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"fmt"
"io"
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"os"
"path/filepath"
"reflect"
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"runtime"
"sort"
"strings"
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"testing"
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"github.com/d4l3k/messagediff"
"github.com/syncthing/syncthing/lib/build"
"github.com/syncthing/syncthing/lib/events"
"github.com/syncthing/syncthing/lib/fs"
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"github.com/syncthing/syncthing/lib/protocol"
"github.com/syncthing/syncthing/lib/rand"
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)
var device1, device2, device3, device4 protocol.DeviceID
var testFs fs.Filesystem
func init() {
device1, _ = protocol.DeviceIDFromString("AIR6LPZ7K4PTTUXQSMUUCPQ5YWOEDFIIQJUG7772YQXXR5YD6AWQ")
device2, _ = protocol.DeviceIDFromString("GYRZZQB-IRNPV4Z-T7TC52W-EQYJ3TT-FDQW6MW-DFLMU42-SSSU6EM-FBK2VAY")
device3, _ = protocol.DeviceIDFromString("LGFPDIT-7SKNNJL-VJZA4FC-7QNCRKA-CE753K7-2BW5QDK-2FOZ7FR-FEP57QJ")
device4, _ = protocol.DeviceIDFromString("P56IOI7-MZJNU2Y-IQGDREY-DM2MGTI-MGL3BXN-PQ6W5BM-TBBZ4TJ-XZWICQ2")
testFs = fs.NewFilesystem(fs.FilesystemTypeFake, rand.String(32)+"?content=true")
loadTestFiles()
}
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func TestDefaultValues(t *testing.T) {
size, err := ParseSize("1%")
if err != nil {
t.Fatal(err)
}
expected := Configuration{
Version: CurrentVersion,
Folders: []FolderConfiguration{},
Options: OptionsConfiguration{
RawListenAddresses: []string{"default"},
RawGlobalAnnServers: []string{"default"},
GlobalAnnEnabled: true,
LocalAnnEnabled: true,
LocalAnnPort: 21027,
LocalAnnMCAddr: "[ff12::8384]:21027",
MaxSendKbps: 0,
MaxRecvKbps: 0,
ReconnectIntervalS: 60,
RelaysEnabled: true,
RelayReconnectIntervalM: 10,
StartBrowser: true,
NATEnabled: true,
NATLeaseM: 60,
NATRenewalM: 30,
NATTimeoutS: 10,
AutoUpgradeIntervalH: 12,
KeepTemporariesH: 24,
CacheIgnoredFiles: false,
ProgressUpdateIntervalS: 5,
LimitBandwidthInLan: false,
MinHomeDiskFree: Size{1, "%"},
URURL: "https://data.syncthing.net/newdata",
URInitialDelayS: 1800,
URPostInsecurely: false,
ReleasesURL: "https://upgrades.syncthing.net/meta.json",
AlwaysLocalNets: []string{},
OverwriteRemoteDevNames: false,
TempIndexMinBlocks: 10,
UnackedNotificationIDs: []string{"authenticationUserAndPassword"},
SetLowPriority: true,
CRURL: "https://crash.syncthing.net/newcrash",
CREnabled: true,
StunKeepaliveStartS: 180,
StunKeepaliveMinS: 20,
RawStunServers: []string{"default"},
AnnounceLANAddresses: true,
FeatureFlags: []string{},
ConnectionPriorityTCPLAN: 10,
ConnectionPriorityQUICLAN: 20,
ConnectionPriorityTCPWAN: 30,
ConnectionPriorityQUICWAN: 40,
ConnectionPriorityRelay: 50,
},
Defaults: Defaults{
Folder: FolderConfiguration{
FilesystemType: fs.FilesystemTypeBasic,
Path: "~",
Type: FolderTypeSendReceive,
Devices: []FolderDeviceConfiguration{{DeviceID: device1}},
RescanIntervalS: 3600,
FSWatcherEnabled: true,
FSWatcherDelayS: 10,
IgnorePerms: false,
AutoNormalize: true,
MinDiskFree: size,
Versioning: VersioningConfiguration{
CleanupIntervalS: 3600,
Params: map[string]string{},
},
MaxConflicts: 10,
WeakHashThresholdPct: 25,
MarkerName: ".stfolder",
MaxConcurrentWrites: 2,
XattrFilter: XattrFilter{
Entries: []XattrFilterEntry{},
MaxSingleEntrySize: 1024,
MaxTotalSize: 4096,
},
},
Device: DeviceConfiguration{
Addresses: []string{"dynamic"},
AllowedNetworks: []string{},
Compression: protocol.CompressionMetadata,
IgnoredFolders: []ObservedFolder{},
},
Ignores: Ignores{
Lines: []string{},
},
},
IgnoredDevices: []ObservedDevice{},
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}
expected.Devices = []DeviceConfiguration{expected.Defaults.Device.Copy()}
expected.Devices[0].DeviceID = device1
expected.Devices[0].Name, _ = os.Hostname()
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cfg := New(device1)
cfg.GUI = GUIConfiguration{}
cfg.LDAP = LDAPConfiguration{}
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if diff, equal := messagediff.PrettyDiff(expected, cfg); !equal {
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t.Errorf("Default config differs. Diff:\n%s", diff)
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}
}
func TestDeviceConfig(t *testing.T) {
for i := OldestHandledVersion; i <= CurrentVersion; i++ {
cfgFile := fmt.Sprintf("v%d.xml", i)
if _, err := testFs.Stat(cfgFile); os.IsNotExist(err) {
continue
}
testFs.RemoveAll(DefaultMarkerName)
wr, wrCancel, err := copyAndLoad(testFs, cfgFile, device1)
defer wrCancel()
if err != nil {
t.Fatal(err)
}
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_, err = testFs.Stat(DefaultMarkerName)
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if i < 6 && err != nil {
t.Fatal(err)
} else if i >= 6 && err == nil {
t.Fatal("Unexpected file")
}
cfg := wr.Wrapper.(*wrapper).cfg
expectedFolders := []FolderConfiguration{
{
ID: "test",
FilesystemType: fs.FilesystemTypeBasic,
Path: "testdata",
Devices: []FolderDeviceConfiguration{{DeviceID: device1}, {DeviceID: device4}},
Type: FolderTypeSendOnly,
RescanIntervalS: 600,
FSWatcherEnabled: false,
FSWatcherDelayS: 10,
Copiers: 0,
Hashers: 0,
AutoNormalize: true,
MinDiskFree: Size{1, "%"},
MaxConflicts: -1,
Versioning: VersioningConfiguration{
Params: map[string]string{},
},
WeakHashThresholdPct: 25,
MarkerName: DefaultMarkerName,
JunctionsAsDirs: true,
MaxConcurrentWrites: maxConcurrentWritesDefault,
XattrFilter: XattrFilter{
Entries: []XattrFilterEntry{},
},
},
}
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expectedDevices := []DeviceConfiguration{
{
DeviceID: device1,
Name: "node one",
Addresses: []string{"tcp://a"},
Compression: protocol.CompressionMetadata,
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
{
DeviceID: device4,
Name: "node two",
Addresses: []string{"tcp://b"},
Compression: protocol.CompressionMetadata,
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
}
expectedDeviceIDs := []protocol.DeviceID{device1, device4}
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if cfg.Version != CurrentVersion {
t.Errorf("%d: Incorrect version %d != %d", i, cfg.Version, CurrentVersion)
}
if diff, equal := messagediff.PrettyDiff(expectedFolders, cfg.Folders); !equal {
t.Errorf("%d: Incorrect Folders. Diff:\n%s\n%v", i, diff, cfg)
}
if diff, equal := messagediff.PrettyDiff(expectedDevices, cfg.Devices); !equal {
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t.Errorf("%d: Incorrect Devices. Diff:\n%s", i, diff)
}
if diff, equal := messagediff.PrettyDiff(expectedDeviceIDs, cfg.Folders[0].DeviceIDs()); !equal {
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t.Errorf("%d: Incorrect DeviceIDs. Diff:\n%s", i, diff)
}
}
}
func TestNoListenAddresses(t *testing.T) {
cfg, cfgCancel, err := copyAndLoad(testFs, "nolistenaddress.xml", device1)
defer cfgCancel()
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if err != nil {
t.Fatal(err)
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}
expected := []string{""}
actual := cfg.Options().RawListenAddresses
if diff, equal := messagediff.PrettyDiff(expected, actual); !equal {
t.Errorf("Unexpected RawListenAddresses. Diff:\n%s", diff)
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}
}
func TestOverriddenValues(t *testing.T) {
expected := OptionsConfiguration{
RawListenAddresses: []string{"tcp://:23000"},
RawGlobalAnnServers: []string{"udp4://syncthing.nym.se:22026"},
GlobalAnnEnabled: false,
LocalAnnEnabled: false,
LocalAnnPort: 42123,
LocalAnnMCAddr: "quux:3232",
MaxSendKbps: 1234,
MaxRecvKbps: 2341,
ReconnectIntervalS: 6000,
RelaysEnabled: false,
RelayReconnectIntervalM: 20,
StartBrowser: false,
NATEnabled: false,
NATLeaseM: 90,
NATRenewalM: 15,
NATTimeoutS: 15,
AutoUpgradeIntervalH: 24,
KeepTemporariesH: 48,
CacheIgnoredFiles: true,
ProgressUpdateIntervalS: 10,
LimitBandwidthInLan: true,
MinHomeDiskFree: Size{5.2, "%"},
URSeen: 8,
URAccepted: 4,
URURL: "https://localhost/newdata",
URInitialDelayS: 800,
URPostInsecurely: true,
ReleasesURL: "https://localhost/releases",
AlwaysLocalNets: []string{},
OverwriteRemoteDevNames: true,
TempIndexMinBlocks: 100,
UnackedNotificationIDs: []string{"asdfasdf"},
SetLowPriority: false,
CRURL: "https://localhost/newcrash",
CREnabled: false,
StunKeepaliveStartS: 9000,
StunKeepaliveMinS: 900,
RawStunServers: []string{"foo"},
FeatureFlags: []string{"feature"},
ConnectionPriorityTCPLAN: 40,
ConnectionPriorityQUICLAN: 45,
ConnectionPriorityTCPWAN: 50,
ConnectionPriorityQUICWAN: 55,
ConnectionPriorityRelay: 9000,
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}
expectedPath := "/media/syncthing"
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os.Unsetenv("STNOUPGRADE")
cfg, cfgCancel, err := copyAndLoad(testFs, "overridenvalues.xml", device1)
defer cfgCancel()
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if err != nil {
t.Error(err)
}
if diff, equal := messagediff.PrettyDiff(expected, cfg.Options()); !equal {
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t.Errorf("Overridden config differs. Diff:\n%s", diff)
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}
if path := cfg.DefaultFolder().Path; path != expectedPath {
t.Errorf("Default folder path is %v, expected %v", path, expectedPath)
}
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}
func TestDeviceAddressesDynamic(t *testing.T) {
name, _ := os.Hostname()
expected := map[protocol.DeviceID]DeviceConfiguration{
device1: {
DeviceID: device1,
Addresses: []string{"dynamic"},
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
device2: {
DeviceID: device2,
Addresses: []string{"dynamic"},
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
device3: {
DeviceID: device3,
Addresses: []string{"dynamic"},
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
device4: {
DeviceID: device4,
Name: name, // Set when auto created
Addresses: []string{"dynamic"},
Compression: protocol.CompressionMetadata,
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
}
cfg, cfgCancel, err := copyAndLoad(testFs, "deviceaddressesdynamic.xml", device4)
defer cfgCancel()
if err != nil {
t.Error(err)
}
actual := cfg.Devices()
if diff, equal := messagediff.PrettyDiff(expected, actual); !equal {
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t.Errorf("Devices differ. Diff:\n%s", diff)
}
}
func TestDeviceCompression(t *testing.T) {
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name, _ := os.Hostname()
expected := map[protocol.DeviceID]DeviceConfiguration{
device1: {
DeviceID: device1,
Addresses: []string{"dynamic"},
Compression: protocol.CompressionMetadata,
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
device2: {
DeviceID: device2,
Addresses: []string{"dynamic"},
Compression: protocol.CompressionMetadata,
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
device3: {
DeviceID: device3,
Addresses: []string{"dynamic"},
Compression: protocol.CompressionNever,
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
device4: {
DeviceID: device4,
Name: name, // Set when auto created
Addresses: []string{"dynamic"},
Compression: protocol.CompressionMetadata,
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
}
cfg, cfgCancel, err := copyAndLoad(testFs, "devicecompression.xml", device4)
defer cfgCancel()
if err != nil {
t.Error(err)
}
actual := cfg.Devices()
if diff, equal := messagediff.PrettyDiff(expected, actual); !equal {
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t.Errorf("Devices differ. Diff:\n%s", diff)
}
}
func TestDeviceAddressesStatic(t *testing.T) {
name, _ := os.Hostname()
expected := map[protocol.DeviceID]DeviceConfiguration{
device1: {
DeviceID: device1,
Addresses: []string{"tcp://192.0.2.1", "tcp://192.0.2.2"},
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
device2: {
DeviceID: device2,
Addresses: []string{"tcp://192.0.2.3:6070", "tcp://[2001:db8::42]:4242"},
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
device3: {
DeviceID: device3,
Addresses: []string{"tcp://[2001:db8::44]:4444", "tcp://192.0.2.4:6090"},
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
device4: {
DeviceID: device4,
Name: name, // Set when auto created
Addresses: []string{"dynamic"},
Compression: protocol.CompressionMetadata,
AllowedNetworks: []string{},
IgnoredFolders: []ObservedFolder{},
},
}
cfg, cfgCancel, err := copyAndLoad(testFs, "deviceaddressesstatic.xml", device4)
defer cfgCancel()
if err != nil {
t.Error(err)
}
actual := cfg.Devices()
if diff, equal := messagediff.PrettyDiff(expected, actual); !equal {
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t.Errorf("Devices differ. Diff:\n%s", diff)
}
}
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func TestVersioningConfig(t *testing.T) {
cfg, cfgCancel, err := copyAndLoad(testFs, "versioningconfig.xml", device4)
defer cfgCancel()
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if err != nil {
t.Error(err)
}
vc := cfg.Folders()["test"].Versioning
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if vc.Type != "simple" {
t.Errorf(`vc.Type %q != "simple"`, vc.Type)
}
if l := len(vc.Params); l != 2 {
t.Errorf("len(vc.Params) %d != 2", l)
}
expected := map[string]string{
"foo": "bar",
"baz": "quux",
}
if diff, equal := messagediff.PrettyDiff(expected, vc.Params); !equal {
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t.Errorf("vc.Params differ. Diff:\n%s", diff)
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}
}
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func TestIssue1262(t *testing.T) {
if !build.IsWindows {
t.Skipf("path gets converted to absolute as part of the filesystem initialization on linux")
}
cfg, cfgCancel, err := copyAndLoad(testFs, "issue-1262.xml", device4)
defer cfgCancel()
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if err != nil {
t.Fatal(err)
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}
actual := cfg.Folders()["test"].Filesystem(nil).URI()
expected := `e:\`
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if actual != expected {
t.Errorf("%q != %q", actual, expected)
}
}
func TestIssue1750(t *testing.T) {
cfg, cfgCancel, err := copyAndLoad(testFs, "issue-1750.xml", device4)
defer cfgCancel()
if err != nil {
t.Fatal(err)
}
if cfg.Options().RawListenAddresses[0] != "tcp://:23000" {
t.Errorf("%q != %q", cfg.Options().RawListenAddresses[0], "tcp://:23000")
}
if cfg.Options().RawListenAddresses[1] != "tcp://:23001" {
t.Errorf("%q != %q", cfg.Options().RawListenAddresses[1], "tcp://:23001")
}
if cfg.Options().RawGlobalAnnServers[0] != "udp4://syncthing.nym.se:22026" {
t.Errorf("%q != %q", cfg.Options().RawGlobalAnnServers[0], "udp4://syncthing.nym.se:22026")
}
if cfg.Options().RawGlobalAnnServers[1] != "udp4://syncthing.nym.se:22027" {
t.Errorf("%q != %q", cfg.Options().RawGlobalAnnServers[1], "udp4://syncthing.nym.se:22027")
}
}
func TestFolderPath(t *testing.T) {
folder := FolderConfiguration{
Path: "~/tmp",
}
realPath := folder.Filesystem(nil).URI()
if !filepath.IsAbs(realPath) {
t.Error(realPath, "should be absolute")
}
if strings.Contains(realPath, "~") {
t.Error(realPath, "should not contain ~")
}
}
func TestFolderCheckPath(t *testing.T) {
tmpFs := fs.NewFilesystem(fs.FilesystemTypeFake, rand.String(16)+"?nostfolder=true")
_ = tmpFs.MkdirAll(filepath.Join("dir", ".stfolder"), 0o777)
testcases := []struct {
path string
err error
}{
{
path: ".",
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err: ErrMarkerMissing,
},
{
path: "does not exist",
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err: ErrPathMissing,
},
{
path: "dir",
err: nil,
},
}
for _, testcase := range testcases {
cfg := FolderConfiguration{
FilesystemType: fs.FilesystemTypeFake,
MarkerName: DefaultMarkerName,
}
if err := cfg.checkFilesystemPath(tmpFs, testcase.path); testcase.err != err {
t.Errorf("unexpected error in case; path: [%s] err [%s] expected err [%v]", testcase.path, err, testcase.err)
}
}
}
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func TestNewSaveLoad(t *testing.T) {
path := "temp.xml"
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os.Remove(path)
defer os.Remove(path)
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exists := func(path string) bool {
_, err := os.Stat(path)
return err == nil
}
intCfg := New(device1)
cfg := wrap(path, intCfg, device1)
defer cfg.stop()
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if exists(path) {
t.Error(path, "exists")
}
err := cfg.Save()
if err != nil {
t.Error(err)
}
if !exists(path) {
t.Error(path, "does not exist")
}
cfg2, err := load(path, device1)
defer cfg2.stop()
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if err != nil {
t.Error(err)
}
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if diff, equal := messagediff.PrettyDiff(cfg.RawCopy(), cfg2.RawCopy()); !equal {
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t.Errorf("Configs are not equal. Diff:\n%s", diff)
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}
}
func TestWindowsLineEndings(t *testing.T) {
if !build.IsWindows {
t.Skip("Windows specific")
}
dir := t.TempDir()
path := filepath.Join(dir, "config.xml")
os.Remove(path)
defer os.Remove(path)
intCfg := New(device1)
cfg := wrap(path, intCfg, device1)
defer cfg.stop()
if err := cfg.Save(); err != nil {
t.Error(err)
}
bs, err := os.ReadFile(path)
if err != nil {
t.Error(err)
}
unixLineEndings := bytes.Count(bs, []byte("\n"))
windowsLineEndings := bytes.Count(bs, []byte("\r\n"))
if unixLineEndings == 0 || windowsLineEndings != unixLineEndings {
t.Error("expected there to be a non-zero number of Windows line endings")
}
}
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func TestPrepare(t *testing.T) {
var cfg Configuration
if cfg.Folders != nil || cfg.Devices != nil || cfg.Options.RawListenAddresses != nil {
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t.Error("Expected nil")
}
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cfg.prepare(device1)
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if cfg.Folders == nil || cfg.Devices == nil || cfg.Options.RawListenAddresses == nil {
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t.Error("Unexpected nil")
}
}
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func TestCopy(t *testing.T) {
wrapper, wrapperCancel, err := copyAndLoad(testFs, "example.xml", device1)
defer wrapperCancel()
if err != nil {
t.Fatal(err)
}
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cfg := wrapper.RawCopy()
bsOrig, err := json.MarshalIndent(cfg, "", " ")
if err != nil {
t.Fatal(err)
}
copy := cfg.Copy()
cfg.Devices[0].Addresses[0] = "wrong"
cfg.Folders[0].Devices[0].DeviceID = protocol.DeviceID{0, 1, 2, 3}
cfg.Options.RawListenAddresses[0] = "wrong"
cfg.GUI.APIKey = "wrong"
bsChanged, err := json.MarshalIndent(cfg, "", " ")
if err != nil {
t.Fatal(err)
}
bsCopy, err := json.MarshalIndent(copy, "", " ")
if err != nil {
t.Fatal(err)
}
if bytes.Equal(bsOrig, bsChanged) {
t.Error("Config should have changed")
}
if !bytes.Equal(bsOrig, bsCopy) {
t.Error("Copy should be unchanged")
}
}
func TestPullOrder(t *testing.T) {
wrapper, wrapperCleanup, err := copyAndLoad(testFs, "pullorder.xml", device1)
defer wrapperCleanup()
if err != nil {
t.Fatal(err)
}
folders := wrapper.Folders()
expected := []struct {
name string
order PullOrder
}{
{"f1", PullOrderRandom}, // empty value, default
{"f2", PullOrderRandom}, // explicit
{"f3", PullOrderAlphabetic}, // explicit
{"f4", PullOrderRandom}, // unknown value, default
{"f5", PullOrderSmallestFirst}, // explicit
{"f6", PullOrderLargestFirst}, // explicit
{"f7", PullOrderOldestFirst}, // explicit
{"f8", PullOrderNewestFirst}, // explicit
}
// Verify values are deserialized correctly
for _, tc := range expected {
if actual := folders[tc.name].Order; actual != tc.order {
t.Errorf("Incorrect pull order for %q: %v != %v", tc.name, actual, tc.order)
}
}
// Serialize and deserialize again to verify it survives the transformation
buf := new(bytes.Buffer)
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cfg := wrapper.RawCopy()
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cfg.WriteXML(buf)
t.Logf("%s", buf.Bytes())
cfg, _, err = ReadXML(buf, device1)
if err != nil {
t.Fatal(err)
}
wrapper2 := wrap(wrapper.ConfigPath(), cfg, device1)
defer wrapper2.stop()
folders = wrapper2.Folders()
for _, tc := range expected {
if actual := folders[tc.name].Order; actual != tc.order {
t.Errorf("Incorrect pull order for %q: %v != %v", tc.name, actual, tc.order)
}
}
}
func TestLargeRescanInterval(t *testing.T) {
wrapper, wrapperCancel, err := copyAndLoad(testFs, "largeinterval.xml", device1)
defer wrapperCancel()
if err != nil {
t.Fatal(err)
}
if wrapper.Folders()["l1"].RescanIntervalS != MaxRescanIntervalS {
t.Error("too large rescan interval should be maxed out")
}
if wrapper.Folders()["l2"].RescanIntervalS != 0 {
t.Error("negative rescan interval should become zero")
}
}
func TestGUIConfigURL(t *testing.T) {
testcases := [][2]string{
{"192.0.2.42:8080", "http://192.0.2.42:8080/"},
{":8080", "http://127.0.0.1:8080/"},
{"0.0.0.0:8080", "http://127.0.0.1:8080/"},
{"127.0.0.1:8080", "http://127.0.0.1:8080/"},
{"127.0.0.2:8080", "http://127.0.0.2:8080/"},
{"[::]:8080", "http://[::1]:8080/"},
{"[2001::42]:8080", "http://[2001::42]:8080/"},
}
for _, tc := range testcases {
c := GUIConfiguration{
RawAddress: tc[0],
}
u := c.URL()
if u != tc[1] {
t.Errorf("Incorrect URL %s != %s for addr %s", u, tc[1], tc[0])
}
}
}
func TestGUIPasswordHash(t *testing.T) {
var c GUIConfiguration
testPass := "pass"
if err := c.HashAndSetPassword(testPass); err != nil {
t.Fatal(err)
}
if c.Password == testPass {
t.Error("Password hashing resulted in plaintext")
}
if err := c.CompareHashedPassword(testPass); err != nil {
t.Errorf("No match on same password: %v", err)
}
failPass := "different"
if err := c.CompareHashedPassword(failPass); err == nil {
t.Errorf("Match on different password: %v", err)
}
}
func TestDuplicateDevices(t *testing.T) {
// Duplicate devices should be removed
wrapper, wrapperCancel, err := copyAndLoad(testFs, "dupdevices.xml", device1)
defer wrapperCancel()
if err != nil {
t.Fatal(err)
}
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if l := len(wrapper.RawCopy().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)
}
}
func TestDuplicateFolders(t *testing.T) {
// Duplicate folders are a loading error
_, _Cancel, err := copyAndLoad(testFs, "dupfolders.xml", device1)
defer _Cancel()
if err == nil || !strings.Contains(err.Error(), errFolderIDDuplicate.Error()) {
t.Fatal(`Expected error to mention "duplicate folder ID":`, err)
}
}
func TestEmptyFolderPaths(t *testing.T) {
// Empty folder paths are not allowed at the loading stage, and should not
// get messed up by the prepare steps (e.g., become the current dir or
// get a slash added so that it becomes the root directory or similar).
_, _Cancel, err := copyAndLoad(testFs, "nopath.xml", device1)
defer _Cancel()
if err == nil || !strings.Contains(err.Error(), errFolderPathEmpty.Error()) {
t.Fatal("Expected error due to empty folder path, got", err)
}
}
func TestV14ListenAddressesMigration(t *testing.T) {
tcs := [][3][]string{
// Default listen plus default relays is now "default"
{
{"tcp://0.0.0.0:22000"},
{"dynamic+https://relays.syncthing.net/endpoint"},
{"default"},
},
// Default listen address without any relay addresses gets converted
// to just the listen address. It's easier this way, and frankly the
// user has gone to some trouble to get the empty string in the
// config to start with...
{
{"tcp://0.0.0.0:22000"}, // old listen addrs
{""}, // old relay addrs
{"tcp://0.0.0.0:22000"}, // new listen addrs
},
// Default listen plus non-default relays gets copied verbatim
{
{"tcp://0.0.0.0:22000"},
{"dynamic+https://other.example.com"},
{"tcp://0.0.0.0:22000", "dynamic+https://other.example.com"},
},
// Non-default listen plus default relays gets copied verbatim
{
{"tcp://1.2.3.4:22000"},
{"dynamic+https://relays.syncthing.net/endpoint"},
{"tcp://1.2.3.4:22000", "dynamic+https://relays.syncthing.net/endpoint"},
},
// Default stuff gets sucked into "default", the rest gets copied
{
{"tcp://0.0.0.0:22000", "tcp://1.2.3.4:22000"},
{"dynamic+https://relays.syncthing.net/endpoint", "relay://other.example.com"},
{"default", "tcp://1.2.3.4:22000", "relay://other.example.com"},
},
}
m := migration{14, migrateToConfigV14}
for _, tc := range tcs {
cfg := Configuration{
Version: 13,
Options: OptionsConfiguration{
RawListenAddresses: tc[0],
DeprecatedRelayServers: tc[1],
},
}
m.apply(&cfg)
if cfg.Version != 14 {
t.Error("Configuration was not converted")
}
sort.Strings(tc[2])
if !reflect.DeepEqual(cfg.Options.RawListenAddresses, tc[2]) {
t.Errorf("Migration error; actual %#v != expected %#v", cfg.Options.RawListenAddresses, tc[2])
}
}
}
func TestIgnoredDevices(t *testing.T) {
// Verify that ignored devices that are also present in the
// configuration are not in fact ignored.
wrapper, wrapperCancel, err := copyAndLoad(testFs, "ignoreddevices.xml", device1)
defer wrapperCancel()
if err != nil {
t.Fatal(err)
}
if wrapper.IgnoredDevice(device1) {
t.Errorf("Device %v should not be ignored", device1)
}
if !wrapper.IgnoredDevice(device3) {
t.Errorf("Device %v should be ignored", device3)
}
}
func TestIgnoredFolders(t *testing.T) {
// Verify that ignored folder that are also present in the
// configuration are not in fact ignored.
// Also, verify that folders that are shared with a device are not ignored.
wrapper, wrapperCancel, err := copyAndLoad(testFs, "ignoredfolders.xml", device1)
defer wrapperCancel()
if err != nil {
t.Fatal(err)
}
if wrapper.IgnoredFolder(device2, "folder1") {
t.Errorf("Device %v should not be ignored", device2)
}
if !wrapper.IgnoredFolder(device3, "folder1") {
t.Errorf("Device %v should be ignored", device3)
}
// Should be removed, hence not ignored.
if wrapper.IgnoredFolder(device4, "folder1") {
t.Errorf("Device %v should not be ignored", device4)
}
if !wrapper.IgnoredFolder(device2, "folder2") {
t.Errorf("Device %v should not be ignored", device2)
}
if !wrapper.IgnoredFolder(device3, "folder2") {
t.Errorf("Device %v should be ignored", device3)
}
// 2 for folder2, 1 for folder1, as non-existing device and device the folder is shared with is removed.
expectedIgnoredFolders := 3
for _, dev := range wrapper.Devices() {
expectedIgnoredFolders -= len(dev.IgnoredFolders)
}
if expectedIgnoredFolders != 0 {
t.Errorf("Left with %d ignored folders", expectedIgnoredFolders)
}
}
func TestGetDevice(t *testing.T) {
// Verify that the Device() call does the right thing
wrapper, wrapperCancel, err := copyAndLoad(testFs, "ignoreddevices.xml", device1)
defer wrapperCancel()
if err != nil {
t.Fatal(err)
}
// device1 is mentioned in the config
device, ok := wrapper.Device(device1)
if !ok {
t.Error(device1, "should exist")
}
if device.DeviceID != device1 {
t.Error("Should have returned", device1, "not", device.DeviceID)
}
// device3 is not
device, ok = wrapper.Device(device3)
if ok {
t.Error(device3, "should not exist")
}
if device.DeviceID == device3 {
t.Error("Should not returned ID", device3)
}
}
func TestSharesRemovedOnDeviceRemoval(t *testing.T) {
t.Skip("to fix: test hangs")
wrapper, wrapperCancel, err := copyAndLoad(testFs, "example.xml", device1)
defer wrapperCancel()
if err != nil {
t.Errorf("Failed: %s", err)
}
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raw := wrapper.RawCopy()
raw.Devices = raw.Devices[:len(raw.Devices)-1]
if len(raw.Folders[0].Devices) <= len(raw.Devices) {
t.Error("Should have less devices")
}
replace(t, wrapper, raw)
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raw = wrapper.RawCopy()
if len(raw.Folders[0].Devices) > len(raw.Devices) {
t.Error("Unexpected extra device")
}
}
func TestIssue4219(t *testing.T) {
// Adding a folder that was previously ignored should make it unignored.
r := bytes.NewReader([]byte(`{
"devices": [
{
"deviceID": "GYRZZQB-IRNPV4Z-T7TC52W-EQYJ3TT-FDQW6MW-DFLMU42-SSSU6EM-FBK2VAY",
"ignoredFolders": [
{
"id": "t1"
},
{
"id": "abcd123"
}
]
},
{
"deviceID": "LGFPDIT-7SKNNJL-VJZA4FC-7QNCRKA-CE753K7-2BW5QDK-2FOZ7FR-FEP57QJ",
"ignoredFolders": [
{
"id": "t1"
},
{
"id": "abcd123"
}
]
}
],
"folders": [
{
"id": "abcd123",
"path": "testdata",
"devices":[
{"deviceID": "GYRZZQB-IRNPV4Z-T7TC52W-EQYJ3TT-FDQW6MW-DFLMU42-SSSU6EM-FBK2VAY"}
]
}
],
"remoteIgnoredDevices": [
{
"deviceID": "GYRZZQB-IRNPV4Z-T7TC52W-EQYJ3TT-FDQW6MW-DFLMU42-SSSU6EM-FBK2VAY"
}
]
}`))
myID := protocol.LocalDeviceID
cfg, err := ReadJSON(r, myID)
if err != nil {
t.Fatal(err)
}
if len(cfg.IgnoredDevices) != 0 { // 1 gets removed
t.Errorf("There should be zero ignored devices, not %d", len(cfg.IgnoredDevices))
}
ignoredFolders := 0
for _, dev := range cfg.Devices {
ignoredFolders += len(dev.IgnoredFolders)
}
if ignoredFolders != 3 { // 1 gets removed
t.Errorf("There should be three ignored folders, not %d", ignoredFolders)
}
w := wrap("/tmp/cfg", cfg, myID)
defer w.stop()
if !w.IgnoredFolder(device2, "t1") {
t.Error("Folder device2 t1 should be ignored")
}
if !w.IgnoredFolder(device3, "t1") {
t.Error("Folder device3 t1 should be ignored")
}
if w.IgnoredFolder(device2, "abcd123") {
t.Error("Folder device2 abcd123 should not be ignored")
}
if !w.IgnoredFolder(device3, "abcd123") {
t.Error("Folder device3 abcd123 should be ignored")
}
}
func TestInvalidDeviceIDRejected(t *testing.T) {
// This test verifies that we properly reject invalid device IDs when
// deserializing a JSON config.
cases := []struct {
id string
ok bool
}{
// a genuine device ID
{"GYRZZQB-IRNPV4Z-T7TC52W-EQYJ3TT-FDQW6MW-DFLMU42-SSSU6EM-FBK2VAY", true},
// incorrect check digit
{"GYRZZQB-IRNPV4A-T7TC52W-EQYJ3TT-FDQW6MW-DFLMU42-SSSU6EM-FBK2VAY", false},
// missing digit
{"GYRZZQB-IRNPV4Z-T7TC52W-EQYJ3TT-FDQW6MW-DFLMU42-SSSU6EM-FBK2VA", false},
// clearly broken
{"invalid", false},
// accepted as the empty device ID for historical reasons...
{"", true},
}
for _, tc := range cases {
cfg := defaultConfigAsMap()
// Change the device ID of the first device to "invalid". Fast and loose
// with the type assertions as we know what the JSON decoder returns.
devs := cfg["devices"].([]interface{})
dev0 := devs[0].(map[string]interface{})
dev0["deviceID"] = tc.id
devs[0] = dev0
invalidJSON, err := json.Marshal(cfg)
if err != nil {
t.Fatal(err)
}
_, err = ReadJSON(bytes.NewReader(invalidJSON), device1)
if tc.ok && err != nil {
t.Errorf("unexpected error for device ID %q: %v", tc.id, err)
} else if !tc.ok && err == nil {
t.Errorf("device ID %q, expected error but got nil", tc.id)
}
}
}
func TestInvalidFolderIDRejected(t *testing.T) {
// This test verifies that we properly reject invalid folder IDs when
// deserializing a JSON config.
cases := []struct {
id string
ok bool
}{
// a reasonable folder ID
{"foo", true},
// empty is not OK
{"", false},
}
for _, tc := range cases {
cfg := defaultConfigAsMap()
// Change the folder ID of the first folder to the empty string.
// Fast and loose with the type assertions as we know what the JSON
// decoder returns.
devs := cfg["folders"].([]interface{})
dev0 := devs[0].(map[string]interface{})
dev0["id"] = tc.id
devs[0] = dev0
invalidJSON, err := json.Marshal(cfg)
if err != nil {
t.Fatal(err)
}
_, err = ReadJSON(bytes.NewReader(invalidJSON), device1)
if tc.ok && err != nil {
t.Errorf("unexpected error for folder ID %q: %v", tc.id, err)
} else if !tc.ok && err == nil {
t.Errorf("folder ID %q, expected error but got nil", tc.id)
}
}
}
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func TestFilterURLSchemePrefix(t *testing.T) {
cases := []struct {
before []string
prefix string
after []string
}{
{[]string{}, "kcp", []string{}},
{[]string{"tcp://foo"}, "kcp", []string{"tcp://foo"}},
{[]string{"kcp://foo"}, "kcp", []string{}},
{[]string{"tcp6://foo", "kcp6://foo"}, "kcp", []string{"tcp6://foo"}},
{[]string{"kcp6://foo", "tcp6://foo"}, "kcp", []string{"tcp6://foo"}},
{
[]string{"tcp://foo", "tcp4://foo", "kcp://foo", "kcp4://foo", "banana://foo", "banana4://foo", "banananas!"},
"kcp",
[]string{"tcp://foo", "tcp4://foo", "banana://foo", "banana4://foo", "banananas!"},
},
}
for _, tc := range cases {
res := filterURLSchemePrefix(tc.before, tc.prefix)
if !reflect.DeepEqual(res, tc.after) {
t.Errorf("filterURLSchemePrefix => %q, expected %q", res, tc.after)
}
}
}
func TestDeviceConfigObservedNotNil(t *testing.T) {
cfg := Configuration{
Devices: []DeviceConfiguration{
{},
},
}
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cfg.prepare(device1)
for _, dev := range cfg.Devices {
if dev.IgnoredFolders == nil {
t.Errorf("Ignored folders nil")
}
}
}
func TestRemoveDeviceWithEmptyID(t *testing.T) {
cfg := Configuration{
Devices: []DeviceConfiguration{
{
Name: "foo",
},
},
Folders: []FolderConfiguration{
{
ID: "foo",
Path: "testdata",
Devices: []FolderDeviceConfiguration{{}},
},
},
}
cfg.prepare(device1)
if len(cfg.Devices) != 1 {
t.Error("Expected one device")
} else if cfg.Devices[0].DeviceID != device1 {
t.Error("Expected device with empty ID to be removed from config:", cfg.Devices)
}
if len(cfg.Folders[0].Devices) != 1 {
t.Error("Expected one device in folder")
} else if cfg.Folders[0].Devices[0].DeviceID != device1 {
t.Error("Expected device with empty ID to be removed from folder")
}
}
func TestMaxConcurrentFolders(t *testing.T) {
cases := []struct {
input int
output int
}{
{input: -42, output: 0},
{input: -1, output: 0},
{input: 0, output: runtime.GOMAXPROCS(-1)},
{input: 1, output: 1},
{input: 42, output: 42},
}
for _, tc := range cases {
opts := OptionsConfiguration{RawMaxFolderConcurrency: tc.input}
res := opts.MaxFolderConcurrency()
if res != tc.output {
t.Errorf("Wrong MaxFolderConcurrency, %d => %d, expected %d", tc.input, res, tc.output)
}
}
}
func adjustDeviceConfiguration(cfg *DeviceConfiguration, id protocol.DeviceID, name string) {
cfg.DeviceID = id
cfg.Name = name
}
func adjustFolderConfiguration(cfg *FolderConfiguration, id, label string, fsType fs.FilesystemType, path string) {
cfg.ID = id
cfg.Label = label
cfg.FilesystemType = fsType
cfg.Path = path
}
// defaultConfigAsMap returns a valid default config as a JSON-decoded
// map[string]interface{}. This is useful to override random elements and
// re-encode into JSON.
func defaultConfigAsMap() map[string]interface{} {
cfg := New(device1)
dev := cfg.Defaults.Device.Copy()
adjustDeviceConfiguration(&dev, device2, "name")
cfg.Devices = append(cfg.Devices, dev)
folder := cfg.Defaults.Folder.Copy()
adjustFolderConfiguration(&folder, "default", "default", fs.FilesystemTypeBasic, "/tmp")
cfg.Folders = append(cfg.Folders, folder)
bs, err := json.Marshal(cfg)
if err != nil {
// can't happen
panic(err)
}
var tmp map[string]interface{}
if err := json.Unmarshal(bs, &tmp); err != nil {
// can't happen
panic(err)
}
return tmp
}
func copyToTmp(fs fs.Filesystem, path string) (string, error) {
orig, err := fs.Open(path)
if err != nil {
return "", err
}
defer orig.Close()
temp, err := fs.Create("syncthing-configTest-" + rand.String(6))
if err != nil {
return "", err
}
defer temp.Close()
if _, err := io.Copy(temp, orig); err != nil {
return "", err
}
return temp.Name(), nil
}
func copyAndLoad(fs fs.Filesystem, path string, myID protocol.DeviceID) (*testWrapper, func(), error) {
temp, err := copyToTmp(fs, path)
if err != nil {
return nil, func() {}, err
}
wrapper, err := loadTest(fs, temp, myID)
if err != nil {
return nil, func() {}, err
}
return wrapper, func() {
fs.Remove(temp)
wrapper.stop()
}, nil
}
func loadTest(fs fs.Filesystem, path string, myID protocol.DeviceID) (*testWrapper, error) {
cfg, _, err := loadWrapTest(fs, path, myID, events.NoopLogger)
if err != nil {
return nil, err
}
return startWrapper(cfg), nil
}
func loadWrapTest(fs fs.Filesystem, path string, myID protocol.DeviceID, evLogger events.Logger) (Wrapper, int, error) {
fd, err := fs.Open(path)
if err != nil {
return nil, 0, err
}
defer fd.Close()
cfg, originalVersion, err := ReadXML(fd, myID)
if err != nil {
return nil, 0, err
}
return Wrap(filepath.Join(testFs.URI(), path), cfg, myID, evLogger), originalVersion, nil
}
func load(path string, myID protocol.DeviceID) (*testWrapper, error) {
cfg, _, err := Load(path, myID, events.NoopLogger)
if err != nil {
return nil, err
}
return startWrapper(cfg), nil
}
func wrap(path string, cfg Configuration, myID protocol.DeviceID) *testWrapper {
wrapper := Wrap(path, cfg, myID, events.NoopLogger)
return startWrapper(wrapper)
}
type testWrapper struct {
Wrapper
cancel context.CancelFunc
done chan struct{}
}
func (w *testWrapper) stop() {
w.cancel()
<-w.done
}
func startWrapper(wrapper Wrapper) *testWrapper {
tw := &testWrapper{
Wrapper: wrapper,
done: make(chan struct{}),
}
ctx, cancel := context.WithCancel(context.Background())
tw.cancel = cancel
go func() {
wrapper.Serve(ctx)
close(tw.done)
}()
return tw
}
func TestInternalVersioningConfiguration(t *testing.T) {
// Verify that the versioning configuration XML serializes to something
// reasonable.
cfg := New(device1)
folder := cfg.Defaults.Folder.Copy()
adjustFolderConfiguration(&folder, "default", "default", fs.FilesystemTypeBasic, "/tmp")
cfg.Folders = append(cfg.Folders, folder)
cfg.Folders[0].Versioning = VersioningConfiguration{
Type: "foo",
Params: map[string]string{"bar": "baz"},
CleanupIntervalS: 42,
}
// These things should all be present in the serialized version.
expected := []string{
`<versioning type="foo">`,
`<param key="bar" val="baz"`,
`<cleanupIntervalS>42<`,
`</versioning>`,
}
bs, err := xml.MarshalIndent(cfg, "", " ")
if err != nil {
t.Fatal(err)
}
for _, exp := range expected {
if !strings.Contains(string(bs), exp) {
t.Logf("%s", bs)
t.Fatal("bad serializion of versioning parameters")
}
}
}
func TestReceiveEncryptedFolderFixed(t *testing.T) {
cfg := Configuration{
Folders: []FolderConfiguration{
{
ID: "foo",
Path: "testdata",
Type: FolderTypeReceiveEncrypted,
DisableTempIndexes: false,
IgnorePerms: false,
},
},
}
cfg.prepare(device1)
if len(cfg.Folders) != 1 {
t.Fatal("Expected one folder")
}
f := cfg.Folders[0]
if !f.DisableTempIndexes {
t.Error("DisableTempIndexes should be true")
}
if !f.IgnorePerms {
t.Error("IgnorePerms should be true")
}
}
func TestXattrFilter(t *testing.T) {
cases := []struct {
in []string
filter []XattrFilterEntry
out []string
}{
{in: nil, filter: nil, out: nil},
{in: []string{"foo", "bar", "baz"}, filter: nil, out: []string{"foo", "bar", "baz"}},
{
in: []string{"foo", "bar", "baz"},
filter: []XattrFilterEntry{{Match: "b*", Permit: true}},
out: []string{"bar", "baz"},
},
{
in: []string{"foo", "bar", "baz"},
filter: []XattrFilterEntry{{Match: "b*", Permit: false}, {Match: "*", Permit: true}},
out: []string{"foo"},
},
{
in: []string{"foo", "bar", "baz"},
filter: []XattrFilterEntry{{Match: "yoink", Permit: true}},
out: []string{},
},
}
for _, tc := range cases {
f := XattrFilter{Entries: tc.filter}
var out []string
for _, s := range tc.in {
if f.Permit(s) {
out = append(out, s)
}
}
if fmt.Sprint(out) != fmt.Sprint(tc.out) {
t.Errorf("Filter.Apply(%v, %v) == %v, expected %v", tc.in, tc.filter, out, tc.out)
}
}
}
func TestUntrustedIntroducer(t *testing.T) {
fd, err := os.Open("testdata/untrustedintroducer.xml")
if err != nil {
t.Fatal(err)
}
cfg, _, err := ReadXML(fd, device1)
if err != nil {
t.Fatal(err)
}
if len(cfg.Devices) != 2 {
// ourselves and the remote in the config
t.Fatal("Expected two devices")
}
// Check that the introducer and auto-accept flags were negated
var foundUntrusted protocol.DeviceID
for _, d := range cfg.Devices {
if d.Name == "untrusted" {
foundUntrusted = d.DeviceID
if !d.Untrusted {
t.Error("untrusted device should be untrusted")
}
if d.Introducer {
t.Error("untrusted device should not be an introducer")
}
if d.AutoAcceptFolders {
t.Error("untrusted device should not auto-accept folders")
}
}
}
if foundUntrusted.Equals(protocol.EmptyDeviceID) {
t.Error("untrusted device not found")
}
// Folder A has the device added without a password, which is not permitted
folderA := cfg.FolderMap()["a"]
for _, dev := range folderA.Devices {
if dev.DeviceID == foundUntrusted {
t.Error("untrusted device should not be in folder A")
}
}
// Folder B has the device added with a password, this is just a sanity check
folderB := cfg.FolderMap()["b"]
found := false
for _, dev := range folderB.Devices {
if dev.DeviceID == foundUntrusted {
found = true
if dev.EncryptionPassword == "" {
t.Error("untrusted device should have a password in folder B")
}
}
}
if !found {
t.Error("untrusted device not found in folder B")
}
}
// Verify that opening a config with myID == protocol.EmptyDeviceID doesn't add that ID to the config.
// Done in various places where config is needed, but the device ID isn't known.
func TestLoadEmptyDeviceID(t *testing.T) {
temp, err := copyToTmp(testFs, "example.xml")
if err != nil {
t.Fatal(err)
}
fd, err := testFs.Open(temp)
if err != nil {
t.Fatal(err)
}
defer fd.Close()
cfg, _, err := ReadXML(fd, protocol.EmptyDeviceID)
if err != nil {
t.Fatal(err)
}
for _, devCfg := range cfg.Devices {
if devCfg.DeviceID == protocol.EmptyDeviceID {
t.Fatal("Device with empty ID")
}
}
for _, folderCfg := range cfg.Folders {
for _, devCfg := range folderCfg.Devices {
if devCfg.DeviceID == protocol.EmptyDeviceID {
t.Fatalf("Device with empty ID in folder %v", folderCfg.Description())
}
}
}
}
func loadTestFiles() {
entries, err := os.ReadDir("testdata")
if err != nil {
return
}
for _, e := range entries {
handleFile(e.Name())
}
}
func handleFile(name string) {
fd, err := testFs.Create(name)
if err != nil {
return
}
origin, _ := os.ReadFile(filepath.Join("testdata", name))
fd.Write(origin)
fd.Close()
}
func TestCopyMatching(t *testing.T) {
type Nested struct {
A int
}
type Test struct {
CopyA int
CopyB []string
CopyC Nested
CopyD *Nested
NoCopy int `restart:"true"`
}
from := Test{
CopyA: 1,
CopyB: []string{"friend", "foe"},
CopyC: Nested{
A: 2,
},
CopyD: &Nested{
A: 3,
},
NoCopy: 4,
}
to := Test{
CopyA: 11,
CopyB: []string{"foot", "toe"},
CopyC: Nested{
A: 22,
},
CopyD: &Nested{
A: 33,
},
NoCopy: 44,
}
// Copy empty fields
copyMatchingTag(&from, &to, "restart", func(v string) bool {
return v != "true"
})
if to.CopyA != 1 {
t.Error("CopyA")
}
if len(to.CopyB) != 2 || to.CopyB[0] != "friend" || to.CopyB[1] != "foe" {
t.Error("CopyB")
}
if to.CopyC.A != 2 {
t.Error("CopyC")
}
if to.CopyD.A != 3 {
t.Error("CopyC")
}
if to.NoCopy != 44 {
t.Error("NoCopy")
}
}