Remove ToString0[T] usage to fix golangci-lint

.golangci.yml

@@ -1,54 +1,17 @@
-run:
-  timeout: 5m
-
 linters:
-  enable-all: true
-  disable:
-    - errcheck
-    - wrapcheck
-    - varnamelen
-    - stylecheck
-    - nonamedreturns
-    - nlreturn
-    - ireturn
-    - gomnd
-    - exhaustivestruct
-    - ifshort
-    - goerr113
-    - gochecknoglobals
-    - forcetypeassert
-    - exhaustruct
-    - exhaustive
-    - cyclop
-    - containedctx
-    - wsl
-    - nestif
-    - lll
-    - funlen
-    - goconst
-    - godot
-    - gocognit
-    - golint
-    - goimports
-    - gochecknoinits
-    - maligned
-    - tagliatelle
-    - gocyclo
-    - maintidx
-    - gocritic
-    - nakedret
+  disable-all: true
+  enable:
+    - gofumpt
+    - govet
+    - gci
+    - staticcheck
+    - paralleltest
 
 linters-settings:
-  revive:
-    rules:
-      - name: var-naming
-        disabled: true
-  govet:
-    enable-all: true
-    disable:
-      - composites
-      - fieldalignment
-      - shadow
-  gosec:
-    excludes:
-      - G404
+  gci:
+    sections:
+      - standard
+      - prefix(github.com/sagernet/)
+      - default
+  staticcheck:
+    go: '1.18'

cmd/sing-box/cmd_format.go

@@ -45,7 +45,7 @@ func formatConfiguration(cmd *cobra.Command, args []string) {
 		os.Stdout.WriteString(buffer.String() + "\n")
 		return
 	}
-	if bytes.Compare(configContent, buffer.Bytes()) == 0 {
+	if !bytes.Equal(configContent, buffer.Bytes()) {
 		return
 	}
 	output, err := os.Create(configPath)

common/dialer/serial.go

@@ -33,6 +33,7 @@ func ListenSerial(ctx context.Context, dialer N.Dialer, destination M.Socksaddr,
 		conn, err = dialer.ListenPacket(ctx, M.SocksaddrFromAddrPort(address, destination.Port))
 		if err != nil {
 			connErrors = append(connErrors, err)
+			continue
 		}
 		return conn, nil
 	}

common/domain/matcher_test.go

@@ -9,6 +9,7 @@ import (
 )
 
 func TestMatch(t *testing.T) {
+	t.Parallel()
 	r := require.New(t)
 	matcher := domain.NewMatcher([]string{"domain.com"}, []string{"suffix.com", ".suffix.org"})
 	r.True(matcher.Match("domain.com"))

common/geosite/writer.go

@@ -20,7 +20,7 @@ func Write(writer io.Writer, domains map[string][]Item) error {
 	for _, code := range keys {
 		index[code] = content.Len()
 		for _, domain := range domains[code] {
-			err := rw.WriteByte(content, byte(domain.Type))
+			err := rw.WriteByte(content, domain.Type)
 			if err != nil {
 				return err
 			}

common/iffmonitor/monitor_linux.go

@@ -36,6 +36,7 @@ func (m *monitor) Start() error {
 	if err != nil {
 		return err
 	}
+	go m.loopUpdate()
 	return nil
 }
 
@@ -72,9 +73,16 @@ func (m *monitor) checkUpdate() error {
 			continue
 		}
 
+		oldInterface := m.defaultInterfaceName
+		oldIndex := m.defaultInterfaceIndex
+
 		m.defaultInterfaceName = link.Attrs().Name
 		m.defaultInterfaceIndex = link.Attrs().Index
 
+		if oldInterface == m.defaultInterfaceName && oldIndex == m.defaultInterfaceIndex {
+			return nil
+		}
+
 		m.logger.Info("updated default interface ", m.defaultInterfaceName, ", index ", m.defaultInterfaceIndex)
 		return nil
 	}

common/sniff/quic_test.go

@@ -11,6 +11,7 @@ import (
 )
 
 func TestSniffQUICv1(t *testing.T) {
+	t.Parallel()
 	pkt, err := hex.DecodeString("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")
 	require.NoError(t, err)
 	metadata, err := sniff.QUICClientHello(context.Background(), pkt)

common/sniff/sniff.go

@@ -17,7 +17,7 @@ func PeekStream(ctx context.Context, reader io.Reader, sniffers ...StreamSniffer
 	for _, sniffer := range sniffers {
 		sniffMetadata, err := sniffer(ctx, reader)
 		if err != nil {
-			return nil, err
+			continue
 		}
 		return sniffMetadata, nil
 	}
@@ -28,7 +28,7 @@ func PeekPacket(ctx context.Context, packet []byte, sniffers ...PacketSniffer) (
 	for _, sniffer := range sniffers {
 		sniffMetadata, err := sniffer(ctx, packet)
 		if err != nil {
-			return nil, err
+			continue
 		}
 		return sniffMetadata, nil
 	}

dns/client_test.go

@@ -13,10 +13,10 @@ import (
 	N "github.com/sagernet/sing/common/network"
 
 	"github.com/stretchr/testify/require"
-	"golang.org/x/net/dns/dnsmessage"
 )
 
 func TestClient(t *testing.T) {
+	t.Parallel()
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
 	client := dns.NewClient(option.DNSClientOptions{})
 	dnsTransport := dns.NewTCPTransport(context.Background(), N.SystemDialer, log.NewNopLogger(), M.ParseSocksaddr("1.0.0.1:53"))
@@ -31,15 +31,3 @@ func TestClient(t *testing.T) {
 	require.NotEmpty(t, addresses, "no answers")
 	cancel()
 }
-
-func makeQuery() *dnsmessage.Message {
-	message := &dnsmessage.Message{}
-	message.Header.ID = 1
-	message.Header.RecursionDesired = true
-	message.Questions = append(message.Questions, dnsmessage.Question{
-		Name:  dnsmessage.MustNewName("google.com."),
-		Type:  dnsmessage.TypeA,
-		Class: dnsmessage.ClassINET,
-	})
-	return message
-}

dns/transport_https.go

@@ -63,11 +63,10 @@ func (t *HTTPSTransport) Exchange(ctx context.Context, message *dnsmessage.Messa
 		return nil, err
 	}
 	buffer.Truncate(len(rawMessage))
-	request, err := http.NewRequest(http.MethodPost, t.destination, bytes.NewReader(buffer.Bytes()))
+	request, err := http.NewRequestWithContext(ctx, http.MethodPost, t.destination, bytes.NewReader(buffer.Bytes()))
 	if err != nil {
 		return nil, err
 	}
-	request.WithContext(ctx)
 	request.Header.Set("content-type", dnsMimeType)
 	request.Header.Set("accept", dnsMimeType)
 

dns/transport_test.go

@@ -1,4 +1,4 @@
-package dns
+package dns_test
 
 import (
 	"context"
@@ -6,6 +6,7 @@ import (
 	"time"
 
 	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/dns"
 	"github.com/sagernet/sing-box/log"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
@@ -15,8 +16,9 @@ import (
 )
 
 func TestTCPDNS(t *testing.T) {
+	t.Parallel()
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	transport := NewTCPTransport(ctx, N.SystemDialer, log.NewNopLogger(), M.ParseSocksaddr("1.0.0.1:53"))
+	transport := dns.NewTCPTransport(ctx, N.SystemDialer, log.NewNopLogger(), M.ParseSocksaddr("1.0.0.1:53"))
 	response, err := transport.Exchange(ctx, makeQuery())
 	cancel()
 	require.NoError(t, err)
@@ -27,8 +29,9 @@ func TestTCPDNS(t *testing.T) {
 }
 
 func TestTLSDNS(t *testing.T) {
+	t.Parallel()
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	transport := NewTLSTransport(ctx, N.SystemDialer, log.NewNopLogger(), M.ParseSocksaddr("1.0.0.1:853"))
+	transport := dns.NewTLSTransport(ctx, N.SystemDialer, log.NewNopLogger(), M.ParseSocksaddr("1.0.0.1:853"))
 	response, err := transport.Exchange(ctx, makeQuery())
 	cancel()
 	require.NoError(t, err)
@@ -39,8 +42,9 @@ func TestTLSDNS(t *testing.T) {
 }
 
 func TestHTTPSDNS(t *testing.T) {
+	t.Parallel()
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	transport := NewHTTPSTransport(N.SystemDialer, "https://1.0.0.1:443/dns-query")
+	transport := dns.NewHTTPSTransport(N.SystemDialer, "https://1.0.0.1:443/dns-query")
 	response, err := transport.Exchange(ctx, makeQuery())
 	cancel()
 	require.NoError(t, err)
@@ -51,8 +55,9 @@ func TestHTTPSDNS(t *testing.T) {
 }
 
 func TestUDPDNS(t *testing.T) {
+	t.Parallel()
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	transport := NewUDPTransport(ctx, N.SystemDialer, log.NewNopLogger(), M.ParseSocksaddr("1.0.0.1:53"))
+	transport := dns.NewUDPTransport(ctx, N.SystemDialer, log.NewNopLogger(), M.ParseSocksaddr("1.0.0.1:53"))
 	response, err := transport.Exchange(ctx, makeQuery())
 	cancel()
 	require.NoError(t, err)
@@ -63,8 +68,9 @@ func TestUDPDNS(t *testing.T) {
 }
 
 func TestLocalDNS(t *testing.T) {
+	t.Parallel()
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	transport := NewLocalTransport()
+	transport := dns.NewLocalTransport()
 	response, err := transport.Lookup(ctx, "google.com", C.DomainStrategyAsIS)
 	cancel()
 	require.NoError(t, err)

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/goccy/go-json v0.9.8
 	github.com/logrusorgru/aurora v2.0.3+incompatible
 	github.com/oschwald/maxminddb-golang v1.9.0
-	github.com/sagernet/sing v0.0.0-20220709090827-3e39af603559
+	github.com/sagernet/sing v0.0.0-20220710135805-84be1c5eb67a
 	github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/cobra v1.5.0

go.sum

@@ -25,8 +25,8 @@ github.com/oschwald/maxminddb-golang v1.9.0/go.mod h1:TK+s/Z2oZq0rSl4PSeAEoP0bgm
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/sagernet/sing v0.0.0-20220709090827-3e39af603559 h1:o5/fAARzVV2PkEDzjOct1FRUdWVw7hPDFYY8drulH50=
-github.com/sagernet/sing v0.0.0-20220709090827-3e39af603559/go.mod h1:3ZmoGNg/nNJTyHAZFNRSPaXpNIwpDvyIiAUd0KIWV5c=
+github.com/sagernet/sing v0.0.0-20220710135805-84be1c5eb67a h1:1SquyxA41EGvKGBrhj/HQkj4zhteThBPRFvJby0k2HE=
+github.com/sagernet/sing v0.0.0-20220710135805-84be1c5eb67a/go.mod h1:3ZmoGNg/nNJTyHAZFNRSPaXpNIwpDvyIiAUd0KIWV5c=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649 h1:whNDUGOAX5GPZkSy4G3Gv9QyIgk5SXRyjkRuP7ohF8k=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649/go.mod h1:MuyT+9fEPjvauAv0fSE0a6Q+l0Tv2ZrAafTkYfnxBFw=
 github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=

inbound/dns.go

@@ -101,7 +101,5 @@ func NewDNSPacketConnection(ctx context.Context, router adapter.Router, logger l
 }
 
 func formatDNSQuestion(question dnsmessage.Question) string {
-	domain := question.Name.String()
-	domain = domain[:len(domain)-1]
 	return string(question.Name.Data[:question.Name.Length-1]) + " " + question.Type.String()[4:] + " " + question.Class.String()[5:]
 }

option/inbound.go

@@ -145,7 +145,7 @@ type ShadowsocksDestination struct {
 
 type TunInboundOptions struct {
 	InterfaceName string        `json:"interface_name,omitempty"`
-	MTU           uint32        `json:"mtu,omitempty,omitempty"`
+	MTU           uint32        `json:"mtu,omitempty"`
 	Inet4Address  *ListenPrefix `json:"inet4_address,omitempty"`
 	Inet6Address  *ListenPrefix `json:"inet6_address,omitempty"`
 	AutoRoute     bool          `json:"auto_route,omitempty"`

outbound/http.go

@@ -43,9 +43,6 @@ func (h *HTTP) DialContext(ctx context.Context, network string, destination M.So
 }
 
 func (h *HTTP) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	ctx, metadata := adapter.AppendContext(ctx)
-	metadata.Outbound = h.tag
-	metadata.Destination = destination
 	return nil, os.ErrInvalid
 }
 

route/router.go

@@ -414,7 +414,7 @@ func (r *Router) RouteConnection(ctx context.Context, conn net.Conn, metadata ad
 			return err
 		}
 		metadata.DestinationAddresses = addresses
-		r.dnsLogger.WithContext(ctx).Info("resolved [", strings.Join(common.Map(metadata.DestinationAddresses, F.ToString0[netip.Addr]), " "), "]")
+		r.dnsLogger.WithContext(ctx).Info("resolved [", strings.Join(F.MapToString(metadata.DestinationAddresses), " "), "]")
 	}
 	detour := r.match(ctx, metadata, r.defaultOutboundForConnection)
 	if !common.Contains(detour.Network(), C.NetworkTCP) {
@@ -456,7 +456,7 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
 			return err
 		}
 		metadata.DestinationAddresses = addresses
-		r.dnsLogger.WithContext(ctx).Info("resolved [", strings.Join(common.Map(metadata.DestinationAddresses, F.ToString0[netip.Addr]), " "), "]")
+		r.dnsLogger.WithContext(ctx).Info("resolved [", strings.Join(F.MapToString(metadata.DestinationAddresses), " "), "]")
 	}
 	detour := r.match(ctx, metadata, r.defaultOutboundForPacketConnection)
 	if !common.Contains(detour.Network(), C.NetworkUDP) {

route/rule.go

@@ -222,7 +222,7 @@ func (r *DefaultRule) Outbound() string {
 }
 
 func (r *DefaultRule) String() string {
-	return strings.Join(common.Map(r.allItems, F.ToString0[RuleItem]), " ")
+	return strings.Join(F.MapToString(r.allItems), " ")
 }
 
 var _ adapter.Rule = (*LogicalRule)(nil)
@@ -310,5 +310,5 @@ func (r *LogicalRule) String() string {
 	case C.LogicalTypeOr:
 		op = "||"
 	}
-	return "logical(" + strings.Join(common.Map(r.rules, F.ToString0[*DefaultRule]), " "+op+" ") + ")"
+	return "logical(" + strings.Join(F.MapToString(r.rules), " "+op+" ") + ")"
 }

route/rule_cidr.go

@@ -5,7 +5,6 @@ import (
 	"strings"
 
 	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
 	F "github.com/sagernet/sing/common/format"
 )
@@ -70,7 +69,7 @@ func (r *IPCIDRItem) String() string {
 	if pLen == 1 {
 		description += r.prefixes[0].String()
 	} else {
-		description += "[" + strings.Join(common.Map(r.prefixes, F.ToString0[netip.Prefix]), " ") + "]"
+		description += "[" + strings.Join(F.MapToString(r.prefixes), " ") + "]"
 	}
 	return description
 }

route/rule_dns.go

@@ -183,7 +183,7 @@ func (r *DefaultDNSRule) Outbound() string {
 }
 
 func (r *DefaultDNSRule) String() string {
-	return strings.Join(common.Map(r.allItems, F.ToString0[RuleItem]), " ")
+	return strings.Join(F.MapToString(r.allItems), " ")
 }
 
 var _ adapter.Rule = (*LogicalRule)(nil)
@@ -271,5 +271,5 @@ func (r *LogicalDNSRule) String() string {
 	case C.LogicalTypeOr:
 		op = "||"
 	}
-	return "logical(" + strings.Join(common.Map(r.rules, F.ToString0[*DefaultDNSRule]), " "+op+" ") + ")"
+	return "logical(" + strings.Join(F.MapToString(r.rules), " "+op+" ") + ")"
 }

route/rule_geosite.go

@@ -26,7 +26,7 @@ func NewGeositeItem(router adapter.Router, logger log.Logger, codes []string) *G
 }
 
 func (r *GeositeItem) Update() error {
-	var matchers []adapter.Rule
+	matchers := make([]adapter.Rule, 0, len(r.codes))
 	for _, code := range r.codes {
 		matcher, err := r.router.LoadGeosite(code)
 		if err != nil {

route/rule_port.go

@@ -4,7 +4,6 @@ import (
 	"strings"
 
 	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing/common"
 	F "github.com/sagernet/sing/common/format"
 )
 
@@ -47,7 +46,7 @@ func (r *PortItem) String() string {
 	if pLen == 1 {
 		description += F.ToString(r.ports[0])
 	} else {
-		description += "[" + strings.Join(common.Map(r.ports, F.ToString0[uint16]), " ") + "]"
+		description += "[" + strings.Join(F.MapToString(r.ports), " ") + "]"
 	}
 	return description
 }

test/go.mod

@@ -5,7 +5,7 @@ go 1.18
 require (
 	github.com/docker/docker v20.10.17+incompatible
 	github.com/docker/go-connections v0.4.0
-	github.com/sagernet/sing v0.0.0-20220709090827-3e39af603559
+	github.com/sagernet/sing v0.0.0-20220710135805-84be1c5eb67a
 	github.com/sagernet/sing-box v0.0.0
 	github.com/sirupsen/logrus v1.8.1
 	github.com/stretchr/testify v1.8.0

test/go.sum

@@ -52,8 +52,8 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/sagernet/sing v0.0.0-20220709090827-3e39af603559 h1:o5/fAARzVV2PkEDzjOct1FRUdWVw7hPDFYY8drulH50=
-github.com/sagernet/sing v0.0.0-20220709090827-3e39af603559/go.mod h1:3ZmoGNg/nNJTyHAZFNRSPaXpNIwpDvyIiAUd0KIWV5c=
+github.com/sagernet/sing v0.0.0-20220710135805-84be1c5eb67a h1:1SquyxA41EGvKGBrhj/HQkj4zhteThBPRFvJby0k2HE=
+github.com/sagernet/sing v0.0.0-20220710135805-84be1c5eb67a/go.mod h1:3ZmoGNg/nNJTyHAZFNRSPaXpNIwpDvyIiAUd0KIWV5c=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649 h1:whNDUGOAX5GPZkSy4G3Gv9QyIgk5SXRyjkRuP7ohF8k=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649/go.mod h1:MuyT+9fEPjvauAv0fSE0a6Q+l0Tv2ZrAafTkYfnxBFw=
 github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=