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all: Modernize error wrapping (#8491)

Browse Source 
This replaces old style errors.Wrap with modern fmt.Errorf and removes
the (direct) dependency on github.com/pkg/errors. A couple of cases are
adjusted by hand as previously errors.Wrap(nil, ...) would return nil,
which is not what fmt.Errorf does.
This commit is contained in:
Jakob Borg 2022-08-16 10:01:49 +02:00 committed by GitHub
parent 75eeae0ee7
commit b10d106a55
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
23 changed files with 108 additions and 109 deletions
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2
cmd/syncthing/cli/config.go
View File

@ -8,11 +8,11 @@ package cli
import (
"encoding/json"
"errors"
"fmt"
"reflect"
"github.com/AudriusButkevicius/recli"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/config"
"github.com/urfave/cli"
)

6
cmd/syncthing/cli/main.go
View File

@ -8,6 +8,7 @@ package cli
import (
"bufio"
"errors"
"fmt"
"io"
"os"
@ -15,7 +16,6 @@ import (
"github.com/alecthomas/kong"
"github.com/flynn-archive/go-shlex"
"github.com/pkg/errors"
"github.com/urfave/cli"
"github.com/syncthing/syncthing/cmd/syncthing/cmdutil"
@ -51,7 +51,7 @@ func runInternal(c preCli, cliArgs []string) error {
// Not set as default above because the strings can be really long.
err := cmdutil.SetConfigDataLocationsFromFlags(c.HomeDir, c.ConfDir, c.DataDir)
if err != nil {
return errors.Wrap(err, "Command line options:")
return fmt.Errorf("Command line options: %w", err)
}
clientFactory := &apiClientFactory{
cfg: config.GUIConfiguration{
@ -124,7 +124,7 @@ func runInternal(c preCli, cliArgs []string) error {
for scanner.Scan() {
input, err := shlex.Split(scanner.Text())
if err != nil {
return errors.Wrap(err, "parsing input")
return fmt.Errorf("parsing input: %w", err)
}
if len(input) == 0 {
continue

3
cmd/syncthing/main.go
View File

@ -10,6 +10,7 @@ import (
"bytes"
"context"
"crypto/tls"
"errors"
"fmt"
"io"
"log"
@ -50,8 +51,6 @@ import (
"github.com/syncthing/syncthing/lib/svcutil"
"github.com/syncthing/syncthing/lib/syncthing"
"github.com/syncthing/syncthing/lib/upgrade"
"github.com/pkg/errors"
)
const (

2
go.mod
View File

@ -37,7 +37,7 @@ require (
github.com/miscreant/miscreant.go v0.0.0-20200214223636-26d376326b75
github.com/oschwald/geoip2-golang v1.5.0
github.com/pierrec/lz4/v4 v4.1.15
github.com/pkg/errors v0.9.1
github.com/pkg/errors v0.9.1 // indirect
github.com/prometheus/client_golang v1.12.2
github.com/prometheus/common v0.32.1 // indirect
github.com/prometheus/procfs v0.7.3 // indirect

7
lib/config/config.go
View File

@ -10,6 +10,7 @@ package config
import (
"encoding/json"
"encoding/xml"
"errors"
"fmt"
"io"
"net"
@ -19,8 +20,6 @@ import (
"strconv"
"strings"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/build"
"github.com/syncthing/syncthing/lib/fs"
"github.com/syncthing/syncthing/lib/protocol"
@ -116,13 +115,13 @@ func New(myID protocol.DeviceID) Configuration {
func (cfg *Configuration) ProbeFreePorts() error {
port, err := getFreePort("127.0.0.1", DefaultGUIPort)
if err != nil {
return errors.Wrap(err, "get free port (GUI)")
return fmt.Errorf("get free port (GUI): %w", err)
}
cfg.GUI.RawAddress = fmt.Sprintf("127.0.0.1:%d", port)
port, err = getFreePort("0.0.0.0", DefaultTCPPort)
if err != nil {
return errors.Wrap(err, "get free port (BEP)")
return fmt.Errorf("get free port (BEP): %w", err)
}
if port == DefaultTCPPort {
cfg.Options.RawListenAddresses = []string{"default"}

6
lib/connections/quic_dial.go
View File

@ -12,12 +12,12 @@ package connections
import (
"context"
"crypto/tls"
"fmt"
"net"
"net/url"
"time"
"github.com/lucas-clemente/quic-go"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/connections/registry"
@ -79,7 +79,7 @@ func (d *quicDialer) Dial(ctx context.Context, _ protocol.DeviceID, uri *url.URL
if createdConn != nil {
_ = createdConn.Close()
}
return internalConn{}, errors.Wrap(err, "dial")
return internalConn{}, fmt.Errorf("dial: %w", err)
}
stream, err := session.OpenStreamSync(ctx)
@ -89,7 +89,7 @@ func (d *quicDialer) Dial(ctx context.Context, _ protocol.DeviceID, uri *url.URL
if createdConn != nil {
_ = createdConn.Close()
}
return internalConn{}, errors.Wrap(err, "open stream")
return internalConn{}, fmt.Errorf("open stream: %w", err)
}
return newInternalConn(&quicTlsConn{session, stream, createdConn}, connTypeQUICClient, quicPriority), nil

3
lib/connections/relay_listen.go
View File

@ -9,12 +9,11 @@ package connections
import (
"context"
"crypto/tls"
"errors"
"net/url"
"sync"
"time"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/connections/registry"
"github.com/syncthing/syncthing/lib/dialer"

2
lib/connections/service.go
View File

@ -13,6 +13,7 @@ import (
"context"
"crypto/tls"
"crypto/x509"
"errors"
"fmt"
"math"
"net"
@ -37,7 +38,6 @@ import (
_ "github.com/syncthing/syncthing/lib/pmp"
_ "github.com/syncthing/syncthing/lib/upnp"
"github.com/pkg/errors"
"github.com/thejerf/suture/v4"
"golang.org/x/time/rate"
)

6
lib/model/folder.go
View File

@ -8,6 +8,7 @@ package model
import (
"context"
"errors"
"fmt"
"math/rand"
"path/filepath"
@ -15,8 +16,6 @@ import (
"sync/atomic"
"time"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/db"
"github.com/syncthing/syncthing/lib/events"
@ -317,7 +316,7 @@ func (f *folder) getHealthErrorAndLoadIgnores() error {
}
if f.Type != config.FolderTypeReceiveEncrypted {
if err := f.ignores.Load(".stignore"); err != nil && !fs.IsNotExist(err) {
return errors.Wrap(err, "loading ignores")
return fmt.Errorf("loading ignores: %w", err)
}
}
return nil
@ -1060,6 +1059,7 @@ func (f *folder) monitorWatch(ctx context.Context) {
l.Warnf("Filesystem watching (kqueue) is enabled on %v with a lot of files/directories, and that requires a lot of resources and might slow down your system significantly", f.Description())
}
case <-ctx.Done():
aggrCancel() // for good measure and keeping the linters happy
return
}
}

47
lib/model/folder_sendrecv.go
View File

@ -8,6 +8,7 @@ package model
import (
"bytes"
"errors"
"fmt"
"io"
"path/filepath"
@ -16,8 +17,6 @@ import (
"strings"
"time"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/build"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/db"
@ -593,7 +592,7 @@ func (f *sendReceiveFolder) handleDir(file protocol.FileInfo, snap *db.Snapshot,
// Check that it is what we have in the database.
curFile, hasCurFile := snap.Get(protocol.LocalDeviceID, file.Name)
if err := f.scanIfItemChanged(file.Name, info, curFile, hasCurFile, scanChan); err != nil {
err = errors.Wrap(err, "handling dir")
err = fmt.Errorf("handling dir: %w", err)
f.newPullError(file.Name, err)
return
}
@ -647,13 +646,13 @@ func (f *sendReceiveFolder) handleDir(file protocol.FileInfo, snap *db.Snapshot,
if err = f.inWritableDir(mkdir, file.Name); err == nil {
dbUpdateChan <- dbUpdateJob{file, dbUpdateHandleDir}
} else {
f.newPullError(file.Name, errors.Wrap(err, "creating directory"))
f.newPullError(file.Name, fmt.Errorf("creating directory: %w", err))
}
return
// Weird error when stat()'ing the dir. Probably won't work to do
// anything else with it if we can't even stat() it.
case err != nil:
f.newPullError(file.Name, errors.Wrap(err, "checking file to be replaced"))
f.newPullError(file.Name, fmt.Errorf("checking file to be replaced: %w", err))
return
}
@ -675,7 +674,7 @@ func (f *sendReceiveFolder) checkParent(file string, scanChan chan<- string) boo
parent := filepath.Dir(file)
if err := osutil.TraversesSymlink(f.mtimefs, parent); err != nil {
f.newPullError(file, errors.Wrap(err, "checking parent dirs"))
f.newPullError(file, fmt.Errorf("checking parent dirs: %w", err))
return false
}
@ -700,7 +699,7 @@ func (f *sendReceiveFolder) checkParent(file string, scanChan chan<- string) boo
}
l.Debugf("%v creating parent directory of %v", f, file)
if err := f.mtimefs.MkdirAll(parent, 0755); err != nil {
f.newPullError(file, errors.Wrap(err, "creating parent dir"))
f.newPullError(file, fmt.Errorf("creating parent dir: %w", err))
return false
}
if f.Type != config.FolderTypeReceiveEncrypted {
@ -761,7 +760,7 @@ func (f *sendReceiveFolder) handleSymlink(file protocol.FileInfo, snap *db.Snaps
if err = f.inWritableDir(createLink, file.Name); err == nil {
dbUpdateChan <- dbUpdateJob{file, dbUpdateHandleSymlink}
} else {
f.newPullError(file.Name, errors.Wrap(err, "symlink create"))
f.newPullError(file.Name, fmt.Errorf("symlink create: %w", err))
}
}
@ -810,7 +809,7 @@ func (f *sendReceiveFolder) deleteDir(file protocol.FileInfo, snap *db.Snapshot,
defer func() {
if err != nil {
f.newPullError(file.Name, errors.Wrap(err, "delete dir"))
f.newPullError(file.Name, fmt.Errorf("delete dir: %w", err))
}
f.evLogger.Log(events.ItemFinished, map[string]interface{}{
"folder": f.folderID,
@ -860,7 +859,7 @@ func (f *sendReceiveFolder) deleteFileWithCurrent(file, cur protocol.FileInfo, h
defer func() {
if err != nil {
f.newPullError(file.Name, errors.Wrap(err, "delete file"))
f.newPullError(file.Name, fmt.Errorf("delete file: %w", err))
}
f.evLogger.Log(events.ItemFinished, map[string]interface{}{
"folder": f.folderID,
@ -1307,7 +1306,7 @@ func (f *sendReceiveFolder) copierRoutine(in <-chan copyBlocksState, pullChan ch
for _, block := range state.blocks {
select {
case <-f.ctx.Done():
state.fail(errors.Wrap(f.ctx.Err(), "folder stopped"))
state.fail(fmt.Errorf("folder stopped: %w", f.ctx.Err()))
break blocks
default:
}
@ -1336,7 +1335,7 @@ func (f *sendReceiveFolder) copierRoutine(in <-chan copyBlocksState, pullChan ch
err = f.limitedWriteAt(dstFd, buf, block.Offset)
if err != nil {
state.fail(errors.Wrap(err, "dst write"))
state.fail(fmt.Errorf("dst write: %w", err))
}
if offset == block.Offset {
state.copiedFromOrigin()
@ -1386,7 +1385,7 @@ func (f *sendReceiveFolder) copierRoutine(in <-chan copyBlocksState, pullChan ch
err = f.limitedWriteAt(dstFd, buf, block.Offset)
}
if err != nil {
state.fail(errors.Wrap(err, "dst write"))
state.fail(fmt.Errorf("dst write: %w", err))
}
if path == state.file.Name {
state.copiedFromOrigin()
@ -1536,7 +1535,7 @@ loop:
for {
select {
case <-f.ctx.Done():
state.fail(errors.Wrap(f.ctx.Err(), "folder stopped"))
state.fail(fmt.Errorf("folder stopped: %w", f.ctx.Err()))
break loop
default:
}
@ -1547,9 +1546,9 @@ loop:
found := activity.leastBusy(candidates)
if found == -1 {
if lastError != nil {
state.fail(errors.Wrap(lastError, "pull"))
state.fail(fmt.Errorf("pull: %w", lastError))
} else {
state.fail(errors.Wrap(errNoDevice, "pull"))
state.fail(fmt.Errorf("pull: %w", errNoDevice))
}
break
}
@ -1587,7 +1586,7 @@ loop:
// Save the block data we got from the cluster
err = f.limitedWriteAt(fd, buf, state.block.Offset)
if err != nil {
state.fail(errors.Wrap(err, "save"))
state.fail(fmt.Errorf("save: %w", err))
} else {
state.pullDone(state.block)
}
@ -1822,14 +1821,14 @@ func (f *sendReceiveFolder) moveForConflict(name, lastModBy string, scanChan cha
if isConflict(name) {
l.Infoln("Conflict for", name, "which is already a conflict copy; not copying again.")
if err := f.mtimefs.Remove(name); err != nil && !fs.IsNotExist(err) {
return errors.Wrap(err, contextRemovingOldItem)
return fmt.Errorf("%s: %w", contextRemovingOldItem, err)
}
return nil
}
if f.MaxConflicts == 0 {
if err := f.mtimefs.Remove(name); err != nil && !fs.IsNotExist(err) {
return errors.Wrap(err, contextRemovingOldItem)
return fmt.Errorf("%s: %w", contextRemovingOldItem, err)
}
return nil
}
@ -1888,7 +1887,9 @@ func (f *sendReceiveFolder) newPullError(path string, err error) {
// deleteItemOnDisk deletes the file represented by old that is about to be replaced by new.
func (f *sendReceiveFolder) deleteItemOnDisk(item protocol.FileInfo, snap *db.Snapshot, scanChan chan<- string) (err error) {
defer func() {
err = errors.Wrap(err, contextRemovingOldItem)
if err != nil {
err = fmt.Errorf("%s: %w", contextRemovingOldItem, err)
}
}()
switch {
@ -2056,7 +2057,7 @@ func (f *sendReceiveFolder) scanIfItemChanged(name string, stat fs.FileInfo, ite
// touching the item.
statItem, err := scanner.CreateFileInfo(stat, item.Name, f.mtimefs, f.SyncOwnership)
if err != nil {
return errors.Wrap(err, "comparing item on disk to db")
return fmt.Errorf("comparing item on disk to db: %w", err)
}
if !statItem.IsEquivalentOptional(item, protocol.FileInfoComparison{
@ -2122,10 +2123,10 @@ func (f *sendReceiveFolder) copyOwnershipFromParent(path string) error {
info, err := f.mtimefs.Lstat(filepath.Dir(path))
if err != nil {
return errors.Wrap(err, "copy owner from parent")
return fmt.Errorf("copy owner from parent: %w", err)
}
if err := f.mtimefs.Lchown(path, strconv.Itoa(info.Owner()), strconv.Itoa(info.Group())); err != nil {
return errors.Wrap(err, "copy owner from parent")
return fmt.Errorf("copy owner from parent: %w", err)
}
return nil
}

10
lib/model/model.go
View File

@ -13,6 +13,7 @@ import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"net"
@ -24,7 +25,6 @@ import (
stdsync "sync"
"time"
"github.com/pkg/errors"
"github.com/thejerf/suture/v4"
"github.com/syncthing/syncthing/lib/build"
@ -1127,10 +1127,10 @@ func (m *model) handleIndex(deviceID protocol.DeviceID, folder string, fs []prot
if cfg, ok := m.cfg.Folder(folder); !ok || !cfg.SharedWith(deviceID) {
l.Infof("%v 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.", op, folder, deviceID)
return errors.Wrap(ErrFolderMissing, folder)
return fmt.Errorf("%s: %w", folder, ErrFolderMissing)
} else if cfg.Paused {
l.Debugf("%v for paused folder (ID %q) sent from device %q.", op, folder, deviceID)
return errors.Wrap(ErrFolderPaused, folder)
return fmt.Errorf("%s: %w", folder, ErrFolderPaused)
}
m.pmut.RLock()
@ -1142,7 +1142,7 @@ func (m *model) handleIndex(deviceID protocol.DeviceID, folder string, fs []prot
// connection
m.evLogger.Log(events.Failure, "index sender does not exist for connection on which indexes were received")
l.Debugf("%v for folder (ID %q) sent from device %q: missing index handler", op, folder, deviceID)
return errors.Wrap(errors.New("index handler missing"), folder)
return fmt.Errorf("index handler missing: %s", folder)
}
return indexHandler.ReceiveIndex(folder, fs, update, op)
@ -2123,7 +2123,7 @@ func (m *model) setIgnores(cfg config.FolderConfiguration, content []string) err
err := cfg.CheckPath()
if err == config.ErrPathMissing {
if err = cfg.CreateRoot(); err != nil {
return errors.Wrap(err, "failed to create folder root")
return fmt.Errorf("failed to create folder root: %w", err)
}
err = cfg.CheckPath()
}

2
lib/model/model_test.go
View File

@ -10,6 +10,7 @@ import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"math/rand"
@ -24,7 +25,6 @@ import (
"testing"
"time"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/build"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/db"

7
lib/model/sharedpullerstate.go
View File

@ -8,11 +8,10 @@ package model
import (
"encoding/binary"
"fmt"
"io"
"time"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/fs"
"github.com/syncthing/syncthing/lib/osutil"
"github.com/syncthing/syncthing/lib/protocol"
@ -177,12 +176,12 @@ func (s *sharedPullerState) tempFileInWritableDir(_ string) error {
// what the umask dictates.
if err := s.fs.Chmod(s.tempName, mode); err != nil {
return errors.Wrap(err, "setting perms on temp file")
return fmt.Errorf("setting perms on temp file: %w", err)
}
}
fd, err := s.fs.OpenFile(s.tempName, flags, mode)
if err != nil {
return errors.Wrap(err, "opening temp file")
return fmt.Errorf("opening temp file: %w", err)
}
// Hide the temporary file

2
lib/model/util.go
View File

@ -7,13 +7,13 @@
package model
import (
"errors"
"fmt"
"path/filepath"
"strings"
"sync"
"time"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/events"
"github.com/syncthing/syncthing/lib/fs"
"github.com/syncthing/syncthing/lib/ur"

15
lib/osutil/lowprio_linux.go
View File

@ -10,10 +10,9 @@
package osutil
import (
"fmt"
"os"
"syscall"
"github.com/pkg/errors"
)
const ioprioClassShift = 13
@ -82,20 +81,22 @@ func SetLowPriority() error {
// so we need this workaround...
if pgid, err := syscall.Getpgid(pidSelf); err != nil {
// This error really shouldn't happen
return errors.Wrap(err, "get process group")
return fmt.Errorf("get process group: %w", err)
} else if pgid != os.Getpid() {
// We are not process group leader. Elevate!
if err := syscall.Setpgid(pidSelf, 0); err != nil {
return errors.Wrap(err, "set process group")
return fmt.Errorf("set process group: %w", err)
}
}
if err := syscall.Setpriority(syscall.PRIO_PGRP, pidSelf, wantNiceLevel); err != nil {
return errors.Wrap(err, "set niceness")
return fmt.Errorf("set niceness: %w", err)
}
// Best effort, somewhere to the end of the scale (0 through 7 being the
// range).
err := ioprioSet(ioprioClassBE, 5)
return errors.Wrap(err, "set I/O priority") // wraps nil as nil
if err := ioprioSet(ioprioClassBE, 5); err != nil {
return fmt.Errorf("set I/O priority: %w", err)
}
return nil
}

9
lib/osutil/lowprio_unix.go
View File

@ -10,9 +10,8 @@
package osutil
import (
"fmt"
"syscall"
"github.com/pkg/errors"
)
// SetLowPriority lowers the process CPU scheduling priority, and possibly
@ -30,6 +29,8 @@ func SetLowPriority() error {
return nil
}
err := syscall.Setpriority(syscall.PRIO_PROCESS, pidSelf, wantNiceLevel)
return errors.Wrap(err, "set niceness") // wraps nil as nil
if err := syscall.Setpriority(syscall.PRIO_PROCESS, pidSelf, wantNiceLevel); err != nil {
return fmt.Errorf("set niceness: %w", err)
}
return nil
}

11
lib/osutil/lowprio_windows.go
View File

@ -7,7 +7,8 @@
package osutil
import (
"github.com/pkg/errors"
"fmt"
"golang.org/x/sys/windows"
)
@ -16,10 +17,12 @@ import (
func SetLowPriority() error {
handle, err := windows.GetCurrentProcess()
if err != nil {
return errors.Wrap(err, "get process handle")
return fmt.Errorf("get process handle: %w", err)
}
defer windows.CloseHandle(handle)
err = windows.SetPriorityClass(handle, windows.BELOW_NORMAL_PRIORITY_CLASS)
return errors.Wrap(err, "set priority class") // wraps nil as nil
if err := windows.SetPriorityClass(handle, windows.BELOW_NORMAL_PRIORITY_CLASS); err != nil {
return fmt.Errorf("set priority class: %w", err)
}
return nil
}

28
lib/protocol/protocol.go
View File

@ -15,6 +15,7 @@ import (
"context"
"crypto/sha256"
"encoding/binary"
"errors"
"fmt"
"io"
"net"
@ -24,7 +25,6 @@ import (
"time"
lz4 "github.com/pierrec/lz4/v4"
"github.com/pkg/errors"
)
const (
@ -499,7 +499,7 @@ func (c *rawConnection) readMessageAfterHeader(hdr Header, fourByteBuf []byte) (
// First comes a 4 byte message length
if _, err := io.ReadFull(c.cr, fourByteBuf[:4]); err != nil {
return nil, errors.Wrap(err, "reading message length")
return nil, fmt.Errorf("reading message length: %w", err)
}
msgLen := int32(binary.BigEndian.Uint32(fourByteBuf))
if msgLen < 0 {
@ -513,7 +513,7 @@ func (c *rawConnection) readMessageAfterHeader(hdr Header, fourByteBuf []byte) (
buf := BufferPool.Get(int(msgLen))
if _, err := io.ReadFull(c.cr, buf); err != nil {
BufferPool.Put(buf)
return nil, errors.Wrap(err, "reading message")
return nil, fmt.Errorf("reading message: %w", err)
}
// ... which might be compressed
@ -526,7 +526,7 @@ func (c *rawConnection) readMessageAfterHeader(hdr Header, fourByteBuf []byte) (
decomp, err := lz4Decompress(buf)
BufferPool.Put(buf)
if err != nil {
return nil, errors.Wrap(err, "decompressing message")
return nil, fmt.Errorf("decompressing message: %w", err)
}
buf = decomp
@ -543,7 +543,7 @@ func (c *rawConnection) readMessageAfterHeader(hdr Header, fourByteBuf []byte) (
}
if err := msg.Unmarshal(buf); err != nil {
BufferPool.Put(buf)
return nil, errors.Wrap(err, "unmarshalling message")
return nil, fmt.Errorf("unmarshalling message: %w", err)
}
BufferPool.Put(buf)
@ -554,7 +554,7 @@ func (c *rawConnection) readHeader(fourByteBuf []byte) (Header, error) {
// First comes a 2 byte header length
if _, err := io.ReadFull(c.cr, fourByteBuf[:2]); err != nil {
return Header{}, errors.Wrap(err, "reading length")
return Header{}, fmt.Errorf("reading length: %w", err)
}
hdrLen := int16(binary.BigEndian.Uint16(fourByteBuf))
if hdrLen < 0 {
@ -566,14 +566,14 @@ func (c *rawConnection) readHeader(fourByteBuf []byte) (Header, error) {
buf := BufferPool.Get(int(hdrLen))
if _, err := io.ReadFull(c.cr, buf); err != nil {
BufferPool.Put(buf)
return Header{}, errors.Wrap(err, "reading header")
return Header{}, fmt.Errorf("reading header: %w", err)
}
var hdr Header
err := hdr.Unmarshal(buf)
BufferPool.Put(buf)
if err != nil {
return Header{}, errors.Wrap(err, "unmarshalling header")
return Header{}, fmt.Errorf("unmarshalling header: %w", err)
}
return hdr, nil
@ -594,7 +594,7 @@ func (c *rawConnection) handleIndexUpdate(im IndexUpdate) error {
func checkIndexConsistency(fs []FileInfo) error {
for _, f := range fs {
if err := checkFileInfoConsistency(f); err != nil {
return errors.Wrapf(err, "%q", f.Name)
return fmt.Errorf("%q: %w", f.Name, err)
}
}
return nil
@ -757,7 +757,7 @@ func (c *rawConnection) writeMessage(msg message) error {
// Message
if _, err := msg.MarshalTo(buf[2+hdrSize+4:]); err != nil {
return errors.Wrap(err, "marshalling message")
return fmt.Errorf("marshalling message: %w", err)
}
if c.shouldCompressMessage(msg) {
@ -771,7 +771,7 @@ func (c *rawConnection) writeMessage(msg message) error {
binary.BigEndian.PutUint16(buf, uint16(hdrSize))
// Header
if _, err := hdr.MarshalTo(buf[2:]); err != nil {
return errors.Wrap(err, "marshalling header")
return fmt.Errorf("marshalling header: %w", err)
}
// Message length
binary.BigEndian.PutUint32(buf[2+hdrSize:], uint32(size))
@ -780,7 +780,7 @@ func (c *rawConnection) writeMessage(msg message) error {
l.Debugf("wrote %d bytes on the wire (2 bytes length, %d bytes header, 4 bytes message length, %d bytes message), err=%v", n, hdrSize, size, err)
if err != nil {
return errors.Wrap(err, "writing message")
return fmt.Errorf("writing message: %w", err)
}
return nil
}
@ -817,7 +817,7 @@ func (c *rawConnection) writeCompressedMessage(msg message, marshaled []byte) (o
binary.BigEndian.PutUint16(buf, uint16(hdrSize))
// Header
if _, err := hdr.MarshalTo(buf[2:]); err != nil {
return true, errors.Wrap(err, "marshalling header")
return true, fmt.Errorf("marshalling header: %w", err)
}
// Message length
binary.BigEndian.PutUint32(buf[2+hdrSize:], uint32(compressedSize))
@ -825,7 +825,7 @@ func (c *rawConnection) writeCompressedMessage(msg message, marshaled []byte) (o
n, err := c.cw.Write(buf[:totSize])
l.Debugf("wrote %d bytes on the wire (2 bytes length, %d bytes header, 4 bytes message length, %d bytes message (%d uncompressed)), err=%v", n, hdrSize, compressedSize, len(marshaled), err)
if err != nil {
return true, errors.Wrap(err, "writing message")
return true, fmt.Errorf("writing message: %w", err)
}
return true, nil
}

5
lib/relay/client/static.go
View File

@ -5,13 +5,12 @@ package client
import (
"context"
"crypto/tls"
"errors"
"fmt"
"net"
"net/url"
"time"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/dialer"
syncthingprotocol "github.com/syncthing/syncthing/lib/protocol"
"github.com/syncthing/syncthing/lib/relay/protocol"
@ -213,7 +212,7 @@ func performHandshakeAndValidation(conn *tls.Conn, uri *url.URL) error {
if relayIDs != "" {
relayID, err := syncthingprotocol.DeviceIDFromString(relayIDs)
if err != nil {
return errors.Wrap(err, "relay address contains invalid verification id")
return fmt.Errorf("relay address contains invalid verification id: %w", err)
}
certs := cs.PeerCertificates

11
lib/syncthing/utils.go
View File

@ -8,12 +8,11 @@ package syncthing
import (
"crypto/tls"
"errors"
"fmt"
"io"
"os"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/db/backend"
"github.com/syncthing/syncthing/lib/events"
@ -93,17 +92,17 @@ func LoadConfigAtStartup(path string, cert tls.Certificate, evLogger events.Logg
if fs.IsNotExist(err) {
cfg, err = DefaultConfig(path, myID, evLogger, noDefaultFolder, skipPortProbing)
if err != nil {
return nil, errors.Wrap(err, "failed to generate default config")
return nil, fmt.Errorf("failed to generate default config: %w", err)
}
err = cfg.Save()
if err != nil {
return nil, errors.Wrap(err, "failed to save default config")
return nil, fmt.Errorf("failed to save default config: %w", err)
}
l.Infof("Default config saved. Edit %s to taste (with Syncthing stopped) or use the GUI", cfg.ConfigPath())
} else if err == io.EOF {
return nil, errors.New("failed to load config: unexpected end of file. Truncated or empty configuration?")
} else if err != nil {
return nil, errors.Wrap(err, "failed to load config")
return nil, fmt.Errorf("failed to load config: %w", err)
}
if originalVersion != config.CurrentVersion {
@ -115,7 +114,7 @@ func LoadConfigAtStartup(path string, cert tls.Certificate, evLogger events.Logg
}
err = archiveAndSaveConfig(cfg, originalVersion)
if err != nil {
return nil, errors.Wrap(err, "config archive")
return nil, fmt.Errorf("config archive: %w", err)
}
}

22
lib/tlsutil/tlsutil.go
View File

@ -14,13 +14,13 @@ import (
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"errors"
"fmt"
"math/big"
"net"
"os"
"time"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/rand"
)
@ -90,7 +90,7 @@ func SecureDefaultWithTLS12() *tls.Config {
func generateCertificate(commonName string, lifetimeDays int) (*pem.Block, *pem.Block, error) {
priv, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
if err != nil {
return nil, nil, errors.Wrap(err, "generate key")
return nil, nil, fmt.Errorf("generate key: %w", err)
}
notBefore := time.Now().Truncate(24 * time.Hour)
@ -117,13 +117,13 @@ func generateCertificate(commonName string, lifetimeDays int) (*pem.Block, *pem.
derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, publicKey(priv), priv)
if err != nil {
return nil, nil, errors.Wrap(err, "create cert")
return nil, nil, fmt.Errorf("create cert: %w", err)
}
certBlock := &pem.Block{Type: "CERTIFICATE", Bytes: derBytes}
keyBlock, err := pemBlockForKey(priv)
if err != nil {
return nil, nil, errors.Wrap(err, "save key")
return nil, nil, fmt.Errorf("save key: %w", err)
}
return certBlock, keyBlock, nil
@ -138,24 +138,24 @@ func NewCertificate(certFile, keyFile string, commonName string, lifetimeDays in
certOut, err := os.Create(certFile)
if err != nil {
return tls.Certificate{}, errors.Wrap(err, "save cert")
return tls.Certificate{}, fmt.Errorf("save cert: %w", err)
}
if err = pem.Encode(certOut, certBlock); err != nil {
return tls.Certificate{}, errors.Wrap(err, "save cert")
return tls.Certificate{}, fmt.Errorf("save cert: %w", err)
}
if err = certOut.Close(); err != nil {
return tls.Certificate{}, errors.Wrap(err, "save cert")
return tls.Certificate{}, fmt.Errorf("save cert: %w", err)
}
keyOut, err := os.OpenFile(keyFile, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
if err != nil {
return tls.Certificate{}, errors.Wrap(err, "save key")
return tls.Certificate{}, fmt.Errorf("save key: %w", err)
}
if err = pem.Encode(keyOut, keyBlock); err != nil {
return tls.Certificate{}, errors.Wrap(err, "save key")
return tls.Certificate{}, fmt.Errorf("save key: %w", err)
}
if err = keyOut.Close(); err != nil {
return tls.Certificate{}, errors.Wrap(err, "save key")
return tls.Certificate{}, fmt.Errorf("save key: %w", err)
}
return tls.X509KeyPair(pem.EncodeToMemory(certBlock), pem.EncodeToMemory(keyBlock))

3
lib/upnp/upnp.go
View File

@ -37,6 +37,7 @@ import (
"bytes"
"context"
"encoding/xml"
"errors"
"fmt"
"io"
"net"
@ -46,8 +47,6 @@ import (
"sync"
"time"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/build"
"github.com/syncthing/syncthing/lib/dialer"
"github.com/syncthing/syncthing/lib/nat"

8
lib/versioner/util.go
View File

@ -8,14 +8,14 @@ package versioner
import (
"context"
"errors"
"fmt"
"path/filepath"
"regexp"
"sort"
"strings"
"time"
"github.com/pkg/errors"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/fs"
"github.com/syncthing/syncthing/lib/osutil"
@ -200,11 +200,11 @@ func restoreFile(method fs.CopyRangeMethod, src, dst fs.Filesystem, filePath str
case info.IsSymlink():
// Remove existing symlinks (as we don't want to archive them)
if err := dst.Remove(filePath); err != nil {
return errors.Wrap(err, "removing existing symlink")
return fmt.Errorf("removing existing symlink: %w", err)
}
case info.IsRegular():
if err := archiveFile(method, dst, src, filePath, tagger); err != nil {
return errors.Wrap(err, "archiving existing file")
return fmt.Errorf("archiving existing file: %w", err)
}
default:
panic("bug: unknown item type")