Add codeql-analysis.yml (#505)

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,51 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ main, dev/codeql ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ main ]
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'go' ]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

.github/workflows/release.yml

@@ -121,7 +121,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: ^1.17
+          go-version: ^1.16
 
       - name: Get project dependencies
         run: go mod download

README.md

@@ -44,7 +44,6 @@
   - [Netch (NetFilter & TUN/TAP)](https://github.com/NetchX/Netch)
 - Android
   - [v2rayNG](https://github.com/2dust/v2rayNG)
-  - [AnXray](https://github.com/XTLS/AnXray)
   - [Kitsunebi](https://github.com/rurirei/Kitsunebi/tree/release_xtls)
 - iOS / Mac
   - [Shadowrocket](https://apps.apple.com/app/shadowrocket/id932747118)

app/dispatcher/default.go

@@ -179,7 +179,7 @@ func (d *DefaultDispatcher) getLink(ctx context.Context) (*transport.Link, *tran
 func shouldOverride(ctx context.Context, result SniffResult, request session.SniffingRequest, destination net.Destination) bool {
 	domain := result.Domain()
 	for _, d := range request.ExcludeForDomain {
-		if strings.ToLower(domain) == d {
+		if domain == d {
 			return false
 		}
 	}

app/dns/server.go

@@ -22,6 +22,7 @@ import (
 	"github.com/xtls/xray-core/features"
 	"github.com/xtls/xray-core/features/dns"
 	"github.com/xtls/xray-core/features/routing"
+	"github.com/xtls/xray-core/transport/internet"
 )
 
 // Server is a DNS rely server.
@@ -306,7 +307,7 @@ func (s *Server) queryIPTimeout(idx int, client Client, domain string, option dn
 			Tag: s.tag,
 		})
 	}
-
+	ctx = internet.ContextWithLookupDomain(ctx, domain)
 	ips, err := client.QueryIP(ctx, domain, option)
 	cancel()
 
@@ -347,6 +348,7 @@ func (s *Server) LookupIP(domain string, option dns.IPOption) ([]net.IP, error)
 	if domain == "" {
 		return nil, newError("empty domain name")
 	}
+	domain = strings.ToLower(domain)
 
 	// normalize the FQDN form query
 	if strings.HasSuffix(domain, ".") {

app/dns/server_test.go

@@ -101,8 +101,8 @@ func (*staticHandler) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
 			rr, _ := dns.NewRR("localhost-b. IN A 127.0.0.4")
 			ans.Answer = append(ans.Answer, rr)
 
-		case q.Name == "Mijia\\ Cloud." && q.Qtype == dns.TypeA:
+		case q.Name == "mijia\\ cloud." && q.Qtype == dns.TypeA:
-			rr, _ := dns.NewRR("Mijia\\ Cloud. IN A 127.0.0.1")
+			rr, _ := dns.NewRR("mijia\\ cloud. IN A 127.0.0.1")
 			ans.Answer = append(ans.Answer, rr)
 		}
 	}

app/dns/udpns.go

@@ -2,6 +2,7 @@ package dns
 
 import (
 	"context"
+	"github.com/xtls/xray-core/transport/internet"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -191,7 +192,7 @@ func (s *ClassicNameServer) sendQuery(ctx context.Context, domain string, option
 		if inbound := session.InboundFromContext(ctx); inbound != nil {
 			udpCtx = session.ContextWithInbound(udpCtx, inbound)
 		}
-
+		udpCtx = internet.ContextWithLookupDomain(udpCtx, internet.LookupDomainFromContext(ctx))
 		udpCtx = session.ContextWithContent(udpCtx, &session.Content{
 			Protocol: "dns",
 		})

app/router/condition.go

@@ -66,24 +66,6 @@ type DomainMatcher struct {
 	matchers strmatcher.IndexMatcher
 }
 
-func NewMphMatcherGroup(domains []*Domain) (*DomainMatcher, error) {
-	g := strmatcher.NewMphMatcherGroup()
-	for _, d := range domains {
-		matcherType, f := matcherTypeMap[d.Type]
-		if !f {
-			return nil, newError("unsupported domain type", d.Type)
-		}
-		_, err := g.AddPattern(d.Value, matcherType)
-		if err != nil {
-			return nil, err
-		}
-	}
-	g.Build()
-	return &DomainMatcher{
-		matchers: g,
-	}, nil
-}
-
 func NewDomainMatcher(domains []*Domain) (*DomainMatcher, error) {
 	g := new(strmatcher.MatcherGroup)
 	for _, d := range domains {
@@ -100,7 +82,7 @@ func NewDomainMatcher(domains []*Domain) (*DomainMatcher, error) {
 }
 
 func (m *DomainMatcher) ApplyDomain(domain string) bool {
-	return len(m.matchers.Match(strings.ToLower(domain))) > 0
+	return len(m.matchers.Match(domain)) > 0
 }
 
 // Apply implements Condition.
@@ -109,7 +91,7 @@ func (m *DomainMatcher) Apply(ctx routing.Context) bool {
 	if len(domain) == 0 {
 		return false
 	}
-	return m.ApplyDomain(domain)
+	return m.ApplyDomain(strings.ToLower(domain))
 }
 
 type MultiGeoIPMatcher struct {

app/router/condition_test.go

@@ -359,9 +359,6 @@ func TestChinaSites(t *testing.T) {
 	matcher, err := NewDomainMatcher(domains)
 	common.Must(err)
 
-	acMatcher, err := NewMphMatcherGroup(domains)
-	common.Must(err)
-
 	type TestCase struct {
 		Domain string
 		Output bool
@@ -390,96 +387,9 @@ func TestChinaSites(t *testing.T) {
 	}
 
 	for _, testCase := range testCases {
-		r1 := matcher.ApplyDomain(testCase.Domain)
+		r := matcher.ApplyDomain(testCase.Domain)
-		r2 := acMatcher.ApplyDomain(testCase.Domain)
+		if r != testCase.Output {
-		if r1 != testCase.Output {
+			t.Error("expected output ", testCase.Output, " for domain ", testCase.Domain, " but got ", r)
-			t.Error("DomainMatcher expected output ", testCase.Output, " for domain ", testCase.Domain, " but got ", r1)
-		} else if r2 != testCase.Output {
-			t.Error("ACDomainMatcher expected output ", testCase.Output, " for domain ", testCase.Domain, " but got ", r2)
-		}
-	}
-}
-
-func BenchmarkMphDomainMatcher(b *testing.B) {
-	domains, err := loadGeoSite("CN")
-	common.Must(err)
-
-	matcher, err := NewMphMatcherGroup(domains)
-	common.Must(err)
-
-	type TestCase struct {
-		Domain string
-		Output bool
-	}
-	testCases := []TestCase{
-		{
-			Domain: "163.com",
-			Output: true,
-		},
-		{
-			Domain: "163.com",
-			Output: true,
-		},
-		{
-			Domain: "164.com",
-			Output: false,
-		},
-		{
-			Domain: "164.com",
-			Output: false,
-		},
-	}
-
-	for i := 0; i < 1024; i++ {
-		testCases = append(testCases, TestCase{Domain: strconv.Itoa(i) + ".not-exists.com", Output: false})
-	}
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		for _, testCase := range testCases {
-			_ = matcher.ApplyDomain(testCase.Domain)
-		}
-	}
-}
-
-func BenchmarkDomainMatcher(b *testing.B) {
-	domains, err := loadGeoSite("CN")
-	common.Must(err)
-
-	matcher, err := NewDomainMatcher(domains)
-	common.Must(err)
-
-	type TestCase struct {
-		Domain string
-		Output bool
-	}
-	testCases := []TestCase{
-		{
-			Domain: "163.com",
-			Output: true,
-		},
-		{
-			Domain: "163.com",
-			Output: true,
-		},
-		{
-			Domain: "164.com",
-			Output: false,
-		},
-		{
-			Domain: "164.com",
-			Output: false,
-		},
-	}
-
-	for i := 0; i < 1024; i++ {
-		testCases = append(testCases, TestCase{Domain: strconv.Itoa(i) + ".not-exists.com", Output: false})
-	}
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		for _, testCase := range testCases {
-			_ = matcher.ApplyDomain(testCase.Domain)
 		}
 	}
 }

app/router/config.go

@@ -67,24 +67,11 @@ func (rr *RoutingRule) BuildCondition() (Condition, error) {
 	conds := NewConditionChan()
 
 	if len(rr.Domain) > 0 {
-		switch rr.DomainMatcher {
+		matcher, err := NewDomainMatcher(rr.Domain)
-		case "linear":
+		if err != nil {
-			matcher, err := NewDomainMatcher(rr.Domain)
+			return nil, newError("failed to build domain condition").Base(err)
-			if err != nil {
-				return nil, newError("failed to build domain condition").Base(err)
-			}
-			conds.Add(matcher)
-		case "mph", "hybrid":
-			fallthrough
-		default:
-			matcher, err := NewMphMatcherGroup(rr.Domain)
-			if err != nil {
-				return nil, newError("failed to build domain condition with MphDomainMatcher").Base(err)
-			}
-			newError("MphDomainMatcher is enabled for ", len(rr.Domain), " domain rule(s)").AtDebug().WriteToLog()
-			conds.Add(matcher)
 		}
-
+		conds.Add(matcher)
 	}
 
 	if len(rr.UserEmail) > 0 {

app/router/config.pb.go

@@ -1,12 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
+// 	protoc-gen-go v1.25.0
-// 	protoc        v3.15.8
+// 	protoc        v3.14.0
 // source: app/router/config.proto
 
 package router
 
 import (
+	proto "github.com/golang/protobuf/proto"
 	net "github.com/xtls/xray-core/common/net"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
@@ -21,6 +22,10 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
+
 // Type of domain value.
 type Domain_Type int32
 
@@ -510,7 +515,6 @@ type RoutingRule struct {
 	InboundTag     []string      `protobuf:"bytes,8,rep,name=inbound_tag,json=inboundTag,proto3" json:"inbound_tag,omitempty"`
 	Protocol       []string      `protobuf:"bytes,9,rep,name=protocol,proto3" json:"protocol,omitempty"`
 	Attributes     string        `protobuf:"bytes,15,opt,name=attributes,proto3" json:"attributes,omitempty"`
-	DomainMatcher  string        `protobuf:"bytes,17,opt,name=domain_matcher,json=domainMatcher,proto3" json:"domain_matcher,omitempty"`
 }
 
 func (x *RoutingRule) Reset() {
@@ -668,13 +672,6 @@ func (x *RoutingRule) GetAttributes() string {
 	return ""
 }
 
-func (x *RoutingRule) GetDomainMatcher() string {
-	if x != nil {
-		return x.DomainMatcher
-	}
-	return ""
-}
-
 type isRoutingRule_TargetTag interface {
 	isRoutingRule_TargetTag()
 }
@@ -949,7 +946,7 @@ var file_app_router_config_proto_rawDesc = []byte{
 	0x74, 0x12, 0x2e, 0x0a, 0x05, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b,
 	0x32, 0x18, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74,
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 	0x65, 0x12, 0x12, 0x0a, 0x03, 0x74, 0x61, 0x67, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x48, 0x00,
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@@ -997,38 +994,36 @@ var file_app_router_config_proto_rawDesc = []byte{
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+	0x69, 0x6e, 0x67, 0x52, 0x75, 0x6c, 0x65, 0x22, 0x47, 0x0a, 0x0e, 0x44, 0x6f, 0x6d, 0x61, 0x69,
-	0x72, 0x2e, 0x42, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67, 0x52, 0x75, 0x6c, 0x65, 0x52,
+	0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x08, 0x0a, 0x04, 0x41, 0x73, 0x49,
-	0x0d, 0x62, 0x61, 0x6c, 0x61, 0x6e, 0x63, 0x69, 0x6e, 0x67, 0x52, 0x75, 0x6c, 0x65, 0x22, 0x47,
+	0x73, 0x10, 0x00, 0x12, 0x09, 0x0a, 0x05, 0x55, 0x73, 0x65, 0x49, 0x70, 0x10, 0x01, 0x12, 0x10,
-	0x0a, 0x0e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79,
+	0x0a, 0x0c, 0x49, 0x70, 0x49, 0x66, 0x4e, 0x6f, 0x6e, 0x4d, 0x61, 0x74, 0x63, 0x68, 0x10, 0x02,
-	0x12, 0x08, 0x0a, 0x04, 0x41, 0x73, 0x49, 0x73, 0x10, 0x00, 0x12, 0x09, 0x0a, 0x05, 0x55, 0x73,
+	0x12, 0x0e, 0x0a, 0x0a, 0x49, 0x70, 0x4f, 0x6e, 0x44, 0x65, 0x6d, 0x61, 0x6e, 0x64, 0x10, 0x03,
-	0x65, 0x49, 0x70, 0x10, 0x01, 0x12, 0x10, 0x0a, 0x0c, 0x49, 0x70, 0x49, 0x66, 0x4e, 0x6f, 0x6e,
+	0x42, 0x4f, 0x0a, 0x13, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70,
-	0x4d, 0x61, 0x74, 0x63, 0x68, 0x10, 0x02, 0x12, 0x0e, 0x0a, 0x0a, 0x49, 0x70, 0x4f, 0x6e, 0x44,
+	0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x50, 0x01, 0x5a, 0x24, 0x67, 0x69, 0x74, 0x68, 0x75,
-	0x65, 0x6d, 0x61, 0x6e, 0x64, 0x10, 0x03, 0x42, 0x4f, 0x0a, 0x13, 0x63, 0x6f, 0x6d, 0x2e, 0x78,
+	0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d,
-	0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x50, 0x01,
+	0x63, 0x6f, 0x72, 0x65, 0x2f, 0x61, 0x70, 0x70, 0x2f, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0xaa,
-	0x5a, 0x24, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c,
+	0x02, 0x0f, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x52, 0x6f, 0x75, 0x74, 0x65,
-	0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x61, 0x70, 0x70, 0x2f,
+	0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-	0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0xaa, 0x02, 0x0f, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70,
-	0x70, 0x2e, 0x52, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

app/router/config.proto

@@ -119,8 +119,6 @@ message RoutingRule {
   repeated string protocol = 9;
 
   string attributes = 15;
-
-  string domain_matcher = 17;
 }
 
 message BalancingRule {

common/buf/buffer.go

@@ -24,17 +24,10 @@ type Buffer struct {
 	UDP   *net.Destination
 }
 
-// New creates a Buffer with 0 length and 8K capacity.
+// New creates a Buffer with 0 length and 2K capacity.
 func New() *Buffer {
-	buf := pool.Get().([]byte)
-	if cap(buf) >= Size {
-		buf = buf[:Size]
-	} else {
-		buf = make([]byte, Size)
-	}
-
 	return &Buffer{
-		v: buf,
+		v: pool.Get().([]byte),
 	}
 }
 
@@ -57,15 +50,8 @@ func NewExisted(b []byte) *Buffer {
 // StackNew creates a new Buffer object on stack.
 // This method is for buffers that is released in the same function.
 func StackNew() Buffer {
-	buf := pool.Get().([]byte)
-	if cap(buf) >= Size {
-		buf = buf[:Size]
-	} else {
-		buf = make([]byte, Size)
-	}
-
 	return Buffer{
-		v: buf,
+		v: pool.Get().([]byte),
 	}
 }
 
@@ -78,10 +64,7 @@ func (b *Buffer) Release() {
 	p := b.v
 	b.v = nil
 	b.Clear()
-
+	pool.Put(p)
-	if cap(p) == Size {
-		pool.Put(p)
-	}
 	b.UDP = nil
 }
 

common/buf/readv_reader.go

@@ -4,6 +4,7 @@ package buf
 
 import (
 	"io"
+	"runtime"
 	"syscall"
 
 	"github.com/xtls/xray-core/common/platform"
@@ -133,13 +134,17 @@ func (r *ReadVReader) ReadMultiBuffer() (MultiBuffer, error) {
 	return mb, nil
 }
 
-var useReadv bool
+var useReadv = true
 
 func init() {
 	const defaultFlagValue = "NOT_DEFINED_AT_ALL"
 	value := platform.NewEnvFlag("xray.buf.readv").GetValue(func() string { return defaultFlagValue })
 	switch value {
-	case defaultFlagValue, "auto", "enable":
+	case defaultFlagValue, "auto":
+		if (runtime.GOARCH == "386" || runtime.GOARCH == "amd64" || runtime.GOARCH == "s390x") && (runtime.GOOS == "linux" || runtime.GOOS == "darwin" || runtime.GOOS == "windows") {
+			useReadv = true
+		}
+	case "enable":
 		useReadv = true
 	}
 }

common/protocol/tls/sniff.go

@@ -102,7 +102,7 @@ func ReadClientHello(data []byte, h *SniffHeader) error {
 					return errNotClientHello
 				}
 				if nameType == 0 {
-					serverName := string(d[:nameLen])
+					serverName := strings.ToLower(string(d[:nameLen]))
 					// An SNI value may not include a
 					// trailing dot. See
 					// https://tools.ietf.org/html/rfc6066#section-3.

common/strmatcher/ac_automaton_matcher.go

@@ -1,243 +0,0 @@
-package strmatcher
-
-import (
-	"container/list"
-)
-
-const validCharCount = 53
-
-type MatchType struct {
-	matchType Type
-	exist     bool
-}
-
-const (
-	TrieEdge bool = true
-	FailEdge bool = false
-)
-
-type Edge struct {
-	edgeType bool
-	nextNode int
-}
-
-type ACAutomaton struct {
-	trie   [][validCharCount]Edge
-	fail   []int
-	exists []MatchType
-	count  int
-}
-
-func newNode() [validCharCount]Edge {
-	var s [validCharCount]Edge
-	for i := range s {
-		s[i] = Edge{
-			edgeType: FailEdge,
-			nextNode: 0,
-		}
-	}
-	return s
-}
-
-var char2Index = []int{
-	'A':  0,
-	'a':  0,
-	'B':  1,
-	'b':  1,
-	'C':  2,
-	'c':  2,
-	'D':  3,
-	'd':  3,
-	'E':  4,
-	'e':  4,
-	'F':  5,
-	'f':  5,
-	'G':  6,
-	'g':  6,
-	'H':  7,
-	'h':  7,
-	'I':  8,
-	'i':  8,
-	'J':  9,
-	'j':  9,
-	'K':  10,
-	'k':  10,
-	'L':  11,
-	'l':  11,
-	'M':  12,
-	'm':  12,
-	'N':  13,
-	'n':  13,
-	'O':  14,
-	'o':  14,
-	'P':  15,
-	'p':  15,
-	'Q':  16,
-	'q':  16,
-	'R':  17,
-	'r':  17,
-	'S':  18,
-	's':  18,
-	'T':  19,
-	't':  19,
-	'U':  20,
-	'u':  20,
-	'V':  21,
-	'v':  21,
-	'W':  22,
-	'w':  22,
-	'X':  23,
-	'x':  23,
-	'Y':  24,
-	'y':  24,
-	'Z':  25,
-	'z':  25,
-	'!':  26,
-	'$':  27,
-	'&':  28,
-	'\'': 29,
-	'(':  30,
-	')':  31,
-	'*':  32,
-	'+':  33,
-	',':  34,
-	';':  35,
-	'=':  36,
-	':':  37,
-	'%':  38,
-	'-':  39,
-	'.':  40,
-	'_':  41,
-	'~':  42,
-	'0':  43,
-	'1':  44,
-	'2':  45,
-	'3':  46,
-	'4':  47,
-	'5':  48,
-	'6':  49,
-	'7':  50,
-	'8':  51,
-	'9':  52,
-}
-
-func NewACAutomaton() *ACAutomaton {
-	var ac = new(ACAutomaton)
-	ac.trie = append(ac.trie, newNode())
-	ac.fail = append(ac.fail, 0)
-	ac.exists = append(ac.exists, MatchType{
-		matchType: Full,
-		exist:     false,
-	})
-	return ac
-}
-
-func (ac *ACAutomaton) Add(domain string, t Type) {
-	var node = 0
-	for i := len(domain) - 1; i >= 0; i-- {
-		var idx = char2Index[domain[i]]
-		if ac.trie[node][idx].nextNode == 0 {
-			ac.count++
-			if len(ac.trie) < ac.count+1 {
-				ac.trie = append(ac.trie, newNode())
-				ac.fail = append(ac.fail, 0)
-				ac.exists = append(ac.exists, MatchType{
-					matchType: Full,
-					exist:     false,
-				})
-			}
-			ac.trie[node][idx] = Edge{
-				edgeType: TrieEdge,
-				nextNode: ac.count,
-			}
-		}
-		node = ac.trie[node][idx].nextNode
-	}
-	ac.exists[node] = MatchType{
-		matchType: t,
-		exist:     true,
-	}
-	switch t {
-	case Domain:
-		ac.exists[node] = MatchType{
-			matchType: Full,
-			exist:     true,
-		}
-		var idx = char2Index['.']
-		if ac.trie[node][idx].nextNode == 0 {
-			ac.count++
-			if len(ac.trie) < ac.count+1 {
-				ac.trie = append(ac.trie, newNode())
-				ac.fail = append(ac.fail, 0)
-				ac.exists = append(ac.exists, MatchType{
-					matchType: Full,
-					exist:     false,
-				})
-			}
-			ac.trie[node][idx] = Edge{
-				edgeType: TrieEdge,
-				nextNode: ac.count,
-			}
-		}
-		node = ac.trie[node][idx].nextNode
-		ac.exists[node] = MatchType{
-			matchType: t,
-			exist:     true,
-		}
-	default:
-		break
-	}
-}
-
-func (ac *ACAutomaton) Build() {
-	var queue = list.New()
-	for i := 0; i < validCharCount; i++ {
-		if ac.trie[0][i].nextNode != 0 {
-			queue.PushBack(ac.trie[0][i])
-		}
-	}
-	for {
-		var front = queue.Front()
-		if front == nil {
-			break
-		} else {
-			var node = front.Value.(Edge).nextNode
-			queue.Remove(front)
-			for i := 0; i < validCharCount; i++ {
-				if ac.trie[node][i].nextNode != 0 {
-					ac.fail[ac.trie[node][i].nextNode] = ac.trie[ac.fail[node]][i].nextNode
-					queue.PushBack(ac.trie[node][i])
-				} else {
-					ac.trie[node][i] = Edge{
-						edgeType: FailEdge,
-						nextNode: ac.trie[ac.fail[node]][i].nextNode,
-					}
-				}
-			}
-		}
-	}
-}
-
-func (ac *ACAutomaton) Match(s string) bool {
-	var node = 0
-	var fullMatch = true
-	// 1. the match string is all through trie edge. FULL MATCH or DOMAIN
-	// 2. the match string is through a fail edge. NOT FULL MATCH
-	// 2.1 Through a fail edge, but there exists a valid node. SUBSTR
-	for i := len(s) - 1; i >= 0; i-- {
-		var idx = char2Index[s[i]]
-		fullMatch = fullMatch && ac.trie[node][idx].edgeType
-		node = ac.trie[node][idx].nextNode
-		switch ac.exists[node].matchType {
-		case Substr:
-			return true
-		case Domain:
-			if fullMatch {
-				return true
-			}
-		default:
-			break
-		}
-	}
-	return fullMatch && ac.exists[node].exist
-}

common/strmatcher/benchmark_test.go

@@ -8,19 +8,6 @@ import (
 	. "github.com/xtls/xray-core/common/strmatcher"
 )
 
-func BenchmarkACAutomaton(b *testing.B) {
-	ac := NewACAutomaton()
-	for i := 1; i <= 1024; i++ {
-		ac.Add(strconv.Itoa(i)+".v2ray.com", Domain)
-	}
-	ac.Build()
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		_ = ac.Match("0.v2ray.com")
-	}
-}
-
 func BenchmarkDomainMatcherGroup(b *testing.B) {
 	g := new(DomainMatcherGroup)
 

common/strmatcher/mph_matcher.go

@@ -1,301 +0,0 @@
-package strmatcher
-
-import (
-	"math/bits"
-	"regexp"
-	"sort"
-	"strings"
-	"unsafe"
-)
-
-// PrimeRK is the prime base used in Rabin-Karp algorithm.
-const PrimeRK = 16777619
-
-// calculate the rolling murmurHash of given string
-func RollingHash(s string) uint32 {
-	h := uint32(0)
-	for i := len(s) - 1; i >= 0; i-- {
-		h = h*PrimeRK + uint32(s[i])
-	}
-	return h
-}
-
-// A MphMatcherGroup is divided into three parts:
-// 1. `full` and `domain` patterns are matched by Rabin-Karp algorithm and minimal perfect hash table;
-// 2. `substr` patterns are matched by ac automaton;
-// 3. `regex` patterns are matched with the regex library.
-type MphMatcherGroup struct {
-	ac            *ACAutomaton
-	otherMatchers []matcherEntry
-	rules         []string
-	level0        []uint32
-	level0Mask    int
-	level1        []uint32
-	level1Mask    int
-	count         uint32
-	ruleMap       *map[string]uint32
-}
-
-func (g *MphMatcherGroup) AddFullOrDomainPattern(pattern string, t Type) {
-	h := RollingHash(pattern)
-	switch t {
-	case Domain:
-		(*g.ruleMap)["."+pattern] = h*PrimeRK + uint32('.')
-		fallthrough
-	case Full:
-		(*g.ruleMap)[pattern] = h
-	default:
-	}
-}
-
-func NewMphMatcherGroup() *MphMatcherGroup {
-	return &MphMatcherGroup{
-		ac:            nil,
-		otherMatchers: nil,
-		rules:         nil,
-		level0:        nil,
-		level0Mask:    0,
-		level1:        nil,
-		level1Mask:    0,
-		count:         1,
-		ruleMap:       &map[string]uint32{},
-	}
-}
-
-// AddPattern adds a pattern to MphMatcherGroup
-func (g *MphMatcherGroup) AddPattern(pattern string, t Type) (uint32, error) {
-	switch t {
-	case Substr:
-		if g.ac == nil {
-			g.ac = NewACAutomaton()
-		}
-		g.ac.Add(pattern, t)
-	case Full, Domain:
-		pattern = strings.ToLower(pattern)
-		g.AddFullOrDomainPattern(pattern, t)
-	case Regex:
-		r, err := regexp.Compile(pattern)
-		if err != nil {
-			return 0, err
-		}
-		g.otherMatchers = append(g.otherMatchers, matcherEntry{
-			m:  &regexMatcher{pattern: r},
-			id: g.count,
-		})
-	default:
-		panic("Unknown type")
-	}
-	return g.count, nil
-}
-
-// Build builds a minimal perfect hash table and ac automaton from insert rules
-func (g *MphMatcherGroup) Build() {
-	if g.ac != nil {
-		g.ac.Build()
-	}
-	keyLen := len(*g.ruleMap)
-	if keyLen == 0 {
-		keyLen = 1
-		(*g.ruleMap)["empty___"] = RollingHash("empty___")
-	}
-	g.level0 = make([]uint32, nextPow2(keyLen/4))
-	g.level0Mask = len(g.level0) - 1
-	g.level1 = make([]uint32, nextPow2(keyLen))
-	g.level1Mask = len(g.level1) - 1
-	var sparseBuckets = make([][]int, len(g.level0))
-	var ruleIdx int
-	for rule, hash := range *g.ruleMap {
-		n := int(hash) & g.level0Mask
-		g.rules = append(g.rules, rule)
-		sparseBuckets[n] = append(sparseBuckets[n], ruleIdx)
-		ruleIdx++
-	}
-	g.ruleMap = nil
-	var buckets []indexBucket
-	for n, vals := range sparseBuckets {
-		if len(vals) > 0 {
-			buckets = append(buckets, indexBucket{n, vals})
-		}
-	}
-	sort.Sort(bySize(buckets))
-
-	occ := make([]bool, len(g.level1))
-	var tmpOcc []int
-	for _, bucket := range buckets {
-		var seed = uint32(0)
-		for {
-			findSeed := true
-			tmpOcc = tmpOcc[:0]
-			for _, i := range bucket.vals {
-				n := int(strhashFallback(unsafe.Pointer(&g.rules[i]), uintptr(seed))) & g.level1Mask
-				if occ[n] {
-					for _, n := range tmpOcc {
-						occ[n] = false
-					}
-					seed++
-					findSeed = false
-					break
-				}
-				occ[n] = true
-				tmpOcc = append(tmpOcc, n)
-				g.level1[n] = uint32(i)
-			}
-			if findSeed {
-				g.level0[bucket.n] = seed
-				break
-			}
-		}
-	}
-}
-
-func nextPow2(v int) int {
-	if v <= 1 {
-		return 1
-	}
-	const MaxUInt = ^uint(0)
-	n := (MaxUInt >> bits.LeadingZeros(uint(v))) + 1
-	return int(n)
-}
-
-// Lookup searches for s in t and returns its index and whether it was found.
-func (g *MphMatcherGroup) Lookup(h uint32, s string) bool {
-	i0 := int(h) & g.level0Mask
-	seed := g.level0[i0]
-	i1 := int(strhashFallback(unsafe.Pointer(&s), uintptr(seed))) & g.level1Mask
-	n := g.level1[i1]
-	return s == g.rules[int(n)]
-}
-
-// Match implements IndexMatcher.Match.
-func (g *MphMatcherGroup) Match(pattern string) []uint32 {
-	result := []uint32{}
-	hash := uint32(0)
-	for i := len(pattern) - 1; i >= 0; i-- {
-		hash = hash*PrimeRK + uint32(pattern[i])
-		if pattern[i] == '.' {
-			if g.Lookup(hash, pattern[i:]) {
-				result = append(result, 1)
-				return result
-			}
-		}
-	}
-	if g.Lookup(hash, pattern) {
-		result = append(result, 1)
-		return result
-	}
-	if g.ac != nil && g.ac.Match(pattern) {
-		result = append(result, 1)
-		return result
-	}
-	for _, e := range g.otherMatchers {
-		if e.m.Match(pattern) {
-			result = append(result, e.id)
-			return result
-		}
-	}
-	return nil
-}
-
-type indexBucket struct {
-	n    int
-	vals []int
-}
-
-type bySize []indexBucket
-
-func (s bySize) Len() int           { return len(s) }
-func (s bySize) Less(i, j int) bool { return len(s[i].vals) > len(s[j].vals) }
-func (s bySize) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
-
-type stringStruct struct {
-	str unsafe.Pointer
-	len int
-}
-
-func strhashFallback(a unsafe.Pointer, h uintptr) uintptr {
-	x := (*stringStruct)(a)
-	return memhashFallback(x.str, h, uintptr(x.len))
-}
-
-const (
-	// Constants for multiplication: four random odd 64-bit numbers.
-	m1 = 16877499708836156737
-	m2 = 2820277070424839065
-	m3 = 9497967016996688599
-	m4 = 15839092249703872147
-)
-
-var hashkey = [4]uintptr{1, 1, 1, 1}
-
-func memhashFallback(p unsafe.Pointer, seed, s uintptr) uintptr {
-	h := uint64(seed + s*hashkey[0])
-tail:
-	switch {
-	case s == 0:
-	case s < 4:
-		h ^= uint64(*(*byte)(p))
-		h ^= uint64(*(*byte)(add(p, s>>1))) << 8
-		h ^= uint64(*(*byte)(add(p, s-1))) << 16
-		h = rotl31(h*m1) * m2
-	case s <= 8:
-		h ^= uint64(readUnaligned32(p))
-		h ^= uint64(readUnaligned32(add(p, s-4))) << 32
-		h = rotl31(h*m1) * m2
-	case s <= 16:
-		h ^= readUnaligned64(p)
-		h = rotl31(h*m1) * m2
-		h ^= readUnaligned64(add(p, s-8))
-		h = rotl31(h*m1) * m2
-	case s <= 32:
-		h ^= readUnaligned64(p)
-		h = rotl31(h*m1) * m2
-		h ^= readUnaligned64(add(p, 8))
-		h = rotl31(h*m1) * m2
-		h ^= readUnaligned64(add(p, s-16))
-		h = rotl31(h*m1) * m2
-		h ^= readUnaligned64(add(p, s-8))
-		h = rotl31(h*m1) * m2
-	default:
-		v1 := h
-		v2 := uint64(seed * hashkey[1])
-		v3 := uint64(seed * hashkey[2])
-		v4 := uint64(seed * hashkey[3])
-		for s >= 32 {
-			v1 ^= readUnaligned64(p)
-			v1 = rotl31(v1*m1) * m2
-			p = add(p, 8)
-			v2 ^= readUnaligned64(p)
-			v2 = rotl31(v2*m2) * m3
-			p = add(p, 8)
-			v3 ^= readUnaligned64(p)
-			v3 = rotl31(v3*m3) * m4
-			p = add(p, 8)
-			v4 ^= readUnaligned64(p)
-			v4 = rotl31(v4*m4) * m1
-			p = add(p, 8)
-			s -= 32
-		}
-		h = v1 ^ v2 ^ v3 ^ v4
-		goto tail
-	}
-
-	h ^= h >> 29
-	h *= m3
-	h ^= h >> 32
-	return uintptr(h)
-}
-func add(p unsafe.Pointer, x uintptr) unsafe.Pointer {
-	return unsafe.Pointer(uintptr(p) + x)
-}
-func readUnaligned32(p unsafe.Pointer) uint32 {
-	q := (*[4]byte)(p)
-	return uint32(q[0]) | uint32(q[1])<<8 | uint32(q[2])<<16 | uint32(q[3])<<24
-}
-
-func rotl31(x uint64) uint64 {
-	return (x << 31) | (x >> (64 - 31))
-}
-func readUnaligned64(p unsafe.Pointer) uint64 {
-	q := (*[8]byte)(p)
-	return uint64(q[0]) | uint64(q[1])<<8 | uint64(q[2])<<16 | uint64(q[3])<<24 | uint64(q[4])<<32 | uint64(q[5])<<40 | uint64(q[6])<<48 | uint64(q[7])<<56
-}

common/strmatcher/strmatcher.go

@@ -27,7 +27,6 @@ const (
 
 // New creates a new Matcher based on the given pattern.
 func (t Type) New(pattern string) (Matcher, error) {
-	// 1. regex matching is case-sensitive
 	switch t {
 	case Full:
 		return fullMatcher(pattern), nil

common/strmatcher/strmatcher_test.go

@@ -91,172 +91,3 @@ func TestMatcherGroup(t *testing.T) {
 		}
 	}
 }
-
-func TestACAutomaton(t *testing.T) {
-	cases1 := []struct {
-		pattern string
-		mType   Type
-		input   string
-		output  bool
-	}{
-		{
-			pattern: "xtls.github.io",
-			mType:   Domain,
-			input:   "www.xtls.github.io",
-			output:  true,
-		},
-		{
-			pattern: "xtls.github.io",
-			mType:   Domain,
-			input:   "xtls.github.io",
-			output:  true,
-		},
-		{
-			pattern: "xtls.github.io",
-			mType:   Domain,
-			input:   "www.xtis.github.io",
-			output:  false,
-		},
-		{
-			pattern: "xtls.github.io",
-			mType:   Domain,
-			input:   "tls.github.io",
-			output:  false,
-		},
-		{
-			pattern: "xtls.github.io",
-			mType:   Domain,
-			input:   "xxtls.github.io",
-			output:  false,
-		},
-		{
-			pattern: "xtls.github.io",
-			mType:   Full,
-			input:   "xtls.github.io",
-			output:  true,
-		},
-		{
-			pattern: "xtls.github.io",
-			mType:   Full,
-			input:   "xxtls.github.io",
-			output:  false,
-		},
-	}
-	for _, test := range cases1 {
-		var ac = NewACAutomaton()
-		ac.Add(test.pattern, test.mType)
-		ac.Build()
-		if m := ac.Match(test.input); m != test.output {
-			t.Error("unexpected output: ", m, " for test case ", test)
-		}
-	}
-	{
-		cases2Input := []struct {
-			pattern string
-			mType   Type
-		}{
-			{
-				pattern: "163.com",
-				mType:   Domain,
-			},
-			{
-				pattern: "m.126.com",
-				mType:   Full,
-			},
-			{
-				pattern: "3.com",
-				mType:   Full,
-			},
-			{
-				pattern: "google.com",
-				mType:   Substr,
-			},
-			{
-				pattern: "vgoogle.com",
-				mType:   Substr,
-			},
-		}
-		var ac = NewACAutomaton()
-		for _, test := range cases2Input {
-			ac.Add(test.pattern, test.mType)
-		}
-		ac.Build()
-		cases2Output := []struct {
-			pattern string
-			res     bool
-		}{
-			{
-				pattern: "126.com",
-				res:     false,
-			},
-			{
-				pattern: "m.163.com",
-				res:     true,
-			},
-			{
-				pattern: "mm163.com",
-				res:     false,
-			},
-			{
-				pattern: "m.126.com",
-				res:     true,
-			},
-			{
-				pattern: "163.com",
-				res:     true,
-			},
-			{
-				pattern: "63.com",
-				res:     false,
-			},
-			{
-				pattern: "oogle.com",
-				res:     false,
-			},
-			{
-				pattern: "vvgoogle.com",
-				res:     true,
-			},
-		}
-		for _, test := range cases2Output {
-			if m := ac.Match(test.pattern); m != test.res {
-				t.Error("unexpected output: ", m, " for test case ", test)
-			}
-		}
-	}
-
-	{
-		cases3Input := []struct {
-			pattern string
-			mType   Type
-		}{
-			{
-				pattern: "video.google.com",
-				mType:   Domain,
-			},
-			{
-				pattern: "gle.com",
-				mType:   Domain,
-			},
-		}
-		var ac = NewACAutomaton()
-		for _, test := range cases3Input {
-			ac.Add(test.pattern, test.mType)
-		}
-		ac.Build()
-		cases3Output := []struct {
-			pattern string
-			res     bool
-		}{
-			{
-				pattern: "google.com",
-				res:     false,
-			},
-		}
-		for _, test := range cases3Output {
-			if m := ac.Match(test.pattern); m != test.res {
-				t.Error("unexpected output: ", m, " for test case ", test)
-			}
-		}
-	}
-}

core/core.go

@@ -18,7 +18,7 @@ import (
 )
 
 var (
-	version  = "1.4.3"
+	version  = "1.4.2"
 	build    = "Custom"
 	codename = "Xray, Penetrates Everything."
 	intro    = "A unified platform for anti-censorship."

go.mod

@@ -1,48 +1,27 @@
 module github.com/xtls/xray-core
 
-go 1.17
+go 1.16
 
 require (
 	github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32
-	github.com/golang/mock v1.6.0
+	github.com/golang/mock v1.5.0
 	github.com/golang/protobuf v1.5.2
-	github.com/google/go-cmp v0.5.6
+	github.com/google/go-cmp v0.5.5
 	github.com/gorilla/websocket v1.4.2
-	github.com/lucas-clemente/quic-go v0.23.0
+	github.com/lucas-clemente/quic-go v0.20.0
-	github.com/miekg/dns v1.1.43
+	github.com/miekg/dns v1.1.41
-	github.com/pelletier/go-toml v1.9.4
+	github.com/pelletier/go-toml v1.8.1
-	github.com/pires/go-proxyproto v0.6.0
+	github.com/pires/go-proxyproto v0.5.0
-	github.com/refraction-networking/utls v0.0.0-20210713165636-0b2885c8c0d4
+	github.com/refraction-networking/utls v0.0.0-20201210053706-2179f286686b
 	github.com/seiflotfy/cuckoofilter v0.0.0-20201222105146-bc6005554a0c
 	github.com/stretchr/testify v1.7.0
 	github.com/xtls/go v0.0.0-20201118062508-3632bf3b7499
-	go.starlark.net v0.0.0-20210901212718-87f333178d59
+	go.starlark.net v0.0.0-20210312235212-74c10e2c17dc
-	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5
+	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2
-	golang.org/x/net v0.0.0-20210903162142-ad29c8ab022f
+	golang.org/x/net v0.0.0-20210330230544-e57232859fb2
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20210906170528-6f6e22806c34
+	golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44
-	google.golang.org/grpc v1.40.0
+	google.golang.org/grpc v1.36.1
-	google.golang.org/protobuf v1.27.1
+	google.golang.org/protobuf v1.26.0
-	h12.io/socks v1.0.3
+	h12.io/socks v1.0.2
-)
-
-require (
-	github.com/cheekybits/genny v1.0.0 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/dgryski/go-metro v0.0.0-20200812162917-85c65e2d0165 // indirect
-	github.com/fsnotify/fsnotify v1.5.1 // indirect
-	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
-	github.com/marten-seemann/qtls-go1-16 v0.1.4 // indirect
-	github.com/marten-seemann/qtls-go1-17 v0.1.0 // indirect
-	github.com/nxadm/tail v1.4.8 // indirect
-	github.com/onsi/ginkgo v1.16.4 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	golang.org/x/mod v0.5.0 // indirect
-	golang.org/x/text v0.3.7 // indirect
-	golang.org/x/tools v0.1.5 // indirect
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
-	google.golang.org/genproto v0.0.0-20210903162649-d08c68adba83 // indirect
-	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )

go.sum

@@ -8,23 +8,18 @@ dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1
 dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
 git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
-github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
 github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cheekybits/genny v1.0.0 h1:uGGa4nei+j20rOSeDeP5Of12XVm7TGUd4dJA9RDitfE=
 github.com/cheekybits/genny v1.0.0/go.mod h1:+tQajlRqAUrPI7DOSpB0XAqZYtQakVtB7wXkRAgjxjQ=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
-github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/coreos/go-systemd v0.0.0-20181012123002-c6f51f82210d/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -34,35 +29,29 @@ github.com/dgryski/go-metro v0.0.0-20200812162917-85c65e2d0165/go.mod h1:c9O8+fp
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
 github.com/francoispqt/gojay v1.2.13/go.mod h1:ehT5mTG4ua4581f1++1WLG0vPdaA9HaiDsoyrBGkyDY=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/fsnotify/fsnotify v1.5.1 h1:mZcQUHVQUQWoPXXtuf9yuEXKudkV2sx1E06UadKWpgI=
-github.com/fsnotify/fsnotify v1.5.1/go.mod h1:T3375wBYaZdLLcVNkcVbzGHY7f1l/uK5T5Ai1i3InKU=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32 h1:Mn26/9ZMNWSw9C9ERFA1PUxfmGpolnw2v0bKOREu5ew=
 github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32/go.mod h1:GIjDIg/heH5DOkXY3YJ/wNhfHsQHoXGjl8G8amsYQ1I=
 github.com/gliderlabs/ssh v0.1.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
 github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm6/TyX73Q=
-github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8WdvHunIJ9dAyjPVtrBPhSr3KT2yUst43I=
-github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
-github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
+github.com/golang/mock v1.5.0 h1:jlYHihg//f7RRwuPfptm04yp4s7O6Kw8EZiVYIGcH0g=
-github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
+github.com/golang/mock v1.5.0/go.mod h1:CWnOUgYIOo4TcNZ0wHX3YZCqsaM1I1Jvs6v3mP3KVu8=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
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@@ -70,7 +59,6 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
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@@ -81,9 +69,8 @@ github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
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@@ -96,7 +83,6 @@ github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0U
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@@ -110,44 +96,39 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
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@@ -156,9 +137,8 @@ github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:
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@@ -187,7 +167,6 @@ github.com/shurcooL/users v0.0.0-20180125191416-49c67e49c537/go.mod h1:QJTqeLYED
 github.com/shurcooL/webdavfs v0.0.0-20170829043945-18c3829fa133/go.mod h1:hKmq5kWdCj2z2KEozexVbfEZIWiTjhE0+UjmZgPqehw=
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@@ -199,12 +178,9 @@ github.com/viant/assertly v0.4.8/go.mod h1:aGifi++jvCrUaklKEKT0BU95igDNaqkvz+49u
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@@ -213,19 +189,14 @@ golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a/go.mod h1:djNgcEr1/C05ACk
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 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.5.0 h1:UG21uOlmZabA4fW5i7ZX6bjw1xELEGg/ZLgZq9auk/Q=
-golang.org/x/mod v0.5.0/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -239,25 +210,20 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
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 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
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 golang.org/x/perf v0.0.0-20180704124530-6e6d33e29852/go.mod h1:JLpeXjPJfIyPr5TlbXLkXWLhP8nz10XfvxElABhCtcw=
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 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -274,24 +240,16 @@ golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20210303074136-134d130e1a04/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
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@@ -303,11 +261,6 @@ golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
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 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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-golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.5 h1:ouewzE6p+/VEB31YYnTbEJdi8pFqKp4P4n85vwo3DHA=
-golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -326,10 +279,8 @@ google.golang.org/genproto v0.0.0-20181029155118-b69ba1387ce2/go.mod h1:JiN7NxoA
 google.golang.org/genproto v0.0.0-20181202183823-bd91e49a0898/go.mod h1:7Ep/1NZk928CDR8SjdVbjWNpdIf6nzjE3BTgJDr2Atg=
 google.golang.org/genproto v0.0.0-20190306203927-b5d61aea6440/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
-google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20210903162649-d08c68adba83 h1:3V2dxSZpz4zozWWUq36vUxXEKnSYitEH2LdsAx+RUmg=
-google.golang.org/genproto v0.0.0-20210903162649-d08c68adba83/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
 google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
@@ -337,10 +288,8 @@ google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZi
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
+google.golang.org/grpc v1.36.1 h1:cmUfbeGKnz9+2DD/UYsMQXeqbHZqZDs4eQwW0sFOpBY=
-google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.40.0 h1:AGJ0Ih4mHjSeibYkFGh1dD9KJ/eOtZ93I6hoHhukQ5Q=
-google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -351,9 +300,8 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -363,18 +311,15 @@ gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkep
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c h1:grhR+C34yXImVGp7EzNk+DTIk+323eIUWOmEevy6bDo=
 gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 grpc.go4.org v0.0.0-20170609214715-11d0a25b4919/go.mod h1:77eQGdRu53HpSqPFJFmuJdjuHRquDANNeA4x7B8WQ9o=
-h12.io/socks v1.0.3 h1:Ka3qaQewws4j4/eDQnOdpr4wXsC//dXtWvftlIcCQUo=
+h12.io/socks v1.0.2 h1:cZhhbV8+DE0Y1kotwhr1a3RC3kFO7AtuZ4GLr3qKSc8=
-h12.io/socks v1.0.3/go.mod h1:AIhxy1jOId/XCz9BO+EIgNL2rQiPTBNnOfnVnQ+3Eck=
+h12.io/socks v1.0.2/go.mod h1:AIhxy1jOId/XCz9BO+EIgNL2rQiPTBNnOfnVnQ+3Eck=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

infra/conf/grpc.go

@@ -7,25 +7,10 @@ import (
 )
 
 type GRPCConfig struct {
-	ServiceName         string `json:"serviceName" `
+	ServiceName string `json:"serviceName"`
-	MultiMode           bool   `json:"multiMode"`
+	MultiMode   bool   `json:"multiMode"`
-	IdleTimeout         int32  `json:"idle_timeout"`
-	HealthCheckTimeout  int32  `json:"health_check_timeout"`
-	PermitWithoutStream bool   `json:"permit_without_stream"`
 }
 
-func (g *GRPCConfig) Build() (proto.Message, error) {
+func (g GRPCConfig) Build() (proto.Message, error) {
-	if g.IdleTimeout <= 0 {
+	return &grpc.Config{ServiceName: g.ServiceName, MultiMode: g.MultiMode}, nil
-		g.IdleTimeout = 0
-	}
-	if g.HealthCheckTimeout <= 0 {
-		g.HealthCheckTimeout = 0
-	}
-	return &grpc.Config{
-		ServiceName:         g.ServiceName,
-		MultiMode:           g.MultiMode,
-		IdleTimeout:         g.IdleTimeout,
-		HealthCheckTimeout:  g.HealthCheckTimeout,
-		PermitWithoutStream: g.PermitWithoutStream,
-	}, nil
 }

infra/conf/router.go

@@ -98,8 +98,6 @@ type RouterRule struct {
 	Type        string `json:"type"`
 	OutboundTag string `json:"outboundTag"`
 	BalancerTag string `json:"balancerTag"`
-
-	DomainMatcher string `json:"domainMatcher"`
 }
 
 func ParseIP(s string) (*router.CIDR, error) {
@@ -493,10 +491,6 @@ func parseFieldRule(msg json.RawMessage) (*router.RoutingRule, error) {
 		return nil, newError("neither outboundTag nor balancerTag is specified in routing rule")
 	}
 
-	if rawFieldRule.DomainMatcher != "" {
-		rule.DomainMatcher = rawFieldRule.DomainMatcher
-	}
-
 	if rawFieldRule.Domain != nil {
 		for _, domain := range *rawFieldRule.Domain {
 			rules, err := parseDomainRule(domain)

infra/conf/transport_internet.go

@@ -179,24 +179,14 @@ func (c *WebSocketConfig) Build() (proto.Message, error) {
 }
 
 type HTTPConfig struct {
-	Host               *StringList `json:"host"`
+	Host *StringList `json:"host"`
-	Path               string      `json:"path"`
+	Path string      `json:"path"`
-	ReadIdleTimeout    int32       `json:"read_idle_timeout"`
-	HealthCheckTimeout int32       `json:"health_check_timeout"`
 }
 
 // Build implements Buildable.
 func (c *HTTPConfig) Build() (proto.Message, error) {
-	if c.ReadIdleTimeout <= 0 {
-		c.ReadIdleTimeout = 0
-	}
-	if c.HealthCheckTimeout <= 0 {
-		c.HealthCheckTimeout = 0
-	}
 	config := &http.Config{
-		Path:               c.Path,
+		Path: c.Path,
-		IdleTimeout:        c.ReadIdleTimeout,
-		HealthCheckTimeout: c.HealthCheckTimeout,
 	}
 	if c.Host != nil {
 		config.Host = []string(*c.Host)
@@ -332,7 +322,6 @@ type TLSConfig struct {
 	CipherSuites             string           `json:"cipherSuites"`
 	PreferServerCipherSuites bool             `json:"preferServerCipherSuites"`
 	Fingerprint              string           `json:"fingerprint"`
-	RejectUnknownSNI         bool             `json:"rejectUnknownSni"`
 }
 
 // Build implements Buildable.
@@ -361,7 +350,6 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 	config.CipherSuites = c.CipherSuites
 	config.PreferServerCipherSuites = c.PreferServerCipherSuites
 	config.Fingerprint = strings.ToLower(c.Fingerprint)
-	config.RejectUnknownSni = c.RejectUnknownSNI
 	return config, nil
 }
 
@@ -425,7 +413,6 @@ type XTLSConfig struct {
 	MaxVersion               string            `json:"maxVersion"`
 	CipherSuites             string            `json:"cipherSuites"`
 	PreferServerCipherSuites bool              `json:"preferServerCipherSuites"`
-	RejectUnknownSNI         bool              `json:"rejectUnknownSni"`
 }
 
 // Build implements Buildable.
@@ -453,7 +440,6 @@ func (c *XTLSConfig) Build() (proto.Message, error) {
 	config.MaxVersion = c.MaxVersion
 	config.CipherSuites = c.CipherSuites
 	config.PreferServerCipherSuites = c.PreferServerCipherSuites
-	config.RejectUnknownSni = c.RejectUnknownSNI
 	return config, nil
 }
 

transport/internet/dialer.go

@@ -3,15 +3,8 @@ package internet
 import (
 	"context"
 
-	"github.com/xtls/xray-core/common"
-	"github.com/xtls/xray-core/common/dice"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/net/cnc"
 	"github.com/xtls/xray-core/common/session"
-	"github.com/xtls/xray-core/features/dns"
-	"github.com/xtls/xray-core/features/outbound"
-	"github.com/xtls/xray-core/transport"
-	"github.com/xtls/xray-core/transport/pipe"
 )
 
 // Dialer is the interface for dialing outbound connections.
@@ -69,99 +62,11 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *MemoryStrea
 	return nil, newError("unknown network ", dest.Network)
 }
 
-var (
-	dnsClient dns.Client
-	obm       outbound.Manager
-)
-
-func lookupIP(domain string, strategy DomainStrategy, localAddr net.Address) ([]net.IP, error) {
-	if dnsClient == nil {
-		return nil, nil
-	}
-
-	var option = dns.IPOption{
-		IPv4Enable: true,
-		IPv6Enable: true,
-		FakeEnable: false,
-	}
-
-	switch {
-	case strategy == DomainStrategy_USE_IP4 || (localAddr != nil && localAddr.Family().IsIPv4()):
-		option = dns.IPOption{
-			IPv4Enable: true,
-			IPv6Enable: false,
-			FakeEnable: false,
-		}
-	case strategy == DomainStrategy_USE_IP6 || (localAddr != nil && localAddr.Family().IsIPv6()):
-		option = dns.IPOption{
-			IPv4Enable: false,
-			IPv6Enable: true,
-			FakeEnable: false,
-		}
-	case strategy == DomainStrategy_AS_IS:
-		return nil, nil
-	}
-
-	return dnsClient.LookupIP(domain, option)
-}
-
-func canLookupIP(ctx context.Context, dst net.Destination, sockopt *SocketConfig) bool {
-	if dst.Address.Family().IsIP() || dnsClient == nil {
-		return false
-	}
-	return sockopt.DomainStrategy != DomainStrategy_AS_IS
-}
-
-func redirect(ctx context.Context, dst net.Destination, obt string) net.Conn {
-	newError("redirecting request " + dst.String() + " to " + obt).WriteToLog(session.ExportIDToError(ctx))
-	h := obm.GetHandler(obt)
-	ctx = session.ContextWithOutbound(ctx, &session.Outbound{dst, nil})
-	if h != nil {
-		ur, uw := pipe.New(pipe.OptionsFromContext(ctx)...)
-		dr, dw := pipe.New(pipe.OptionsFromContext(ctx)...)
-
-		go h.Dispatch(ctx, &transport.Link{ur, dw})
-		nc := cnc.NewConnection(
-			cnc.ConnectionInputMulti(uw),
-			cnc.ConnectionOutputMulti(dr),
-			cnc.ConnectionOnClose(common.ChainedClosable{uw, dw}),
-		)
-		return nc
-	}
-	return nil
-}
-
 // DialSystem calls system dialer to create a network connection.
 func DialSystem(ctx context.Context, dest net.Destination, sockopt *SocketConfig) (net.Conn, error) {
 	var src net.Address
 	if outbound := session.OutboundFromContext(ctx); outbound != nil {
 		src = outbound.Gateway
 	}
-	if sockopt == nil {
-		return effectiveSystemDialer.Dial(ctx, src, dest, sockopt)
-	}
-
-	if canLookupIP(ctx, dest, sockopt) {
-		ips, err := lookupIP(dest.Address.String(), sockopt.DomainStrategy, src)
-		if err == nil && len(ips) > 0 {
-			dest.Address = net.IPAddress(ips[dice.Roll(len(ips))])
-			newError("replace destination with " + dest.String()).AtInfo().WriteToLog()
-		} else if err != nil {
-			newError("failed to resolve ip").Base(err).AtWarning().WriteToLog()
-		}
-	}
-
-	if obm != nil && len(sockopt.DialerProxy) > 0 {
-		nc := redirect(ctx, dest, sockopt.DialerProxy)
-		if nc != nil {
-			return nc, nil
-		}
-	}
-
 	return effectiveSystemDialer.Dial(ctx, src, dest, sockopt)
 }
-
-func InitSystemDialer(dc dns.Client, om outbound.Manager) {
-	dnsClient = dc
-	obm = om
-}

transport/internet/grpc/config.go

@@ -1,8 +1,6 @@
 package grpc
 
 import (
-	"net/url"
-
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/transport/internet"
 )
@@ -14,7 +12,3 @@ func init() {
 		return new(Config)
 	}))
 }
-
-func (c *Config) getNormalizedName() string {
-	return url.PathEscape(c.ServiceName)
-}

transport/internet/grpc/config.pb.go

@@ -1,12 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
+// 	protoc-gen-go v1.25.0
-// 	protoc        v3.17.3
+// 	protoc        v3.15.6
 // source: transport/internet/grpc/config.proto
 
 package grpc
 
 import (
+	proto "github.com/golang/protobuf/proto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -20,17 +21,18 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
+
 type Config struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Host                string `protobuf:"bytes,1,opt,name=host,proto3" json:"host,omitempty"`
+	Host        string `protobuf:"bytes,1,opt,name=host,proto3" json:"host,omitempty"`
-	ServiceName         string `protobuf:"bytes,2,opt,name=service_name,json=serviceName,proto3" json:"service_name,omitempty"`
+	ServiceName string `protobuf:"bytes,2,opt,name=service_name,json=serviceName,proto3" json:"service_name,omitempty"`
-	MultiMode           bool   `protobuf:"varint,3,opt,name=multi_mode,json=multiMode,proto3" json:"multi_mode,omitempty"`
+	MultiMode   bool   `protobuf:"varint,3,opt,name=multi_mode,json=multiMode,proto3" json:"multi_mode,omitempty"`
-	IdleTimeout         int32  `protobuf:"varint,4,opt,name=idle_timeout,json=idleTimeout,proto3" json:"idle_timeout,omitempty"`
-	HealthCheckTimeout  int32  `protobuf:"varint,5,opt,name=health_check_timeout,json=healthCheckTimeout,proto3" json:"health_check_timeout,omitempty"`
-	PermitWithoutStream bool   `protobuf:"varint,6,opt,name=permit_without_stream,json=permitWithoutStream,proto3" json:"permit_without_stream,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -86,27 +88,6 @@ func (x *Config) GetMultiMode() bool {
 	return false
 }
 
-func (x *Config) GetIdleTimeout() int32 {
-	if x != nil {
-		return x.IdleTimeout
-	}
-	return 0
-}
-
-func (x *Config) GetHealthCheckTimeout() int32 {
-	if x != nil {
-		return x.HealthCheckTimeout
-	}
-	return 0
-}
-
-func (x *Config) GetPermitWithoutStream() bool {
-	if x != nil {
-		return x.PermitWithoutStream
-	}
-	return false
-}
-
 var File_transport_internet_grpc_config_proto protoreflect.FileDescriptor
 
 var file_transport_internet_grpc_config_proto_rawDesc = []byte{
@@ -114,26 +95,17 @@ var file_transport_internet_grpc_config_proto_rawDesc = []byte{
 	0x72, 0x6e, 0x65, 0x74, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67,
 	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x25, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61,
 	0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e,
-	0x67, 0x72, 0x70, 0x63, 0x2e, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x22, 0xe7, 0x01,
+	0x67, 0x72, 0x70, 0x63, 0x2e, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x22, 0x5e, 0x0a,
-	0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x68, 0x6f, 0x73, 0x74,
+	0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x68, 0x6f, 0x73, 0x74, 0x18,
-	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x68, 0x6f, 0x73, 0x74, 0x12, 0x21, 0x0a, 0x0c,
+	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x68, 0x6f, 0x73, 0x74, 0x12, 0x21, 0x0a, 0x0c, 0x73,
-	0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01,
+	0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28,
-	0x28, 0x09, 0x52, 0x0b, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12,
+	0x09, 0x52, 0x0b, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1d,
-	0x1d, 0x0a, 0x0a, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x5f, 0x6d, 0x6f, 0x64, 0x65, 0x18, 0x03, 0x20,
+	0x0a, 0x0a, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x5f, 0x6d, 0x6f, 0x64, 0x65, 0x18, 0x03, 0x20, 0x01,
-	0x01, 0x28, 0x08, 0x52, 0x09, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x4d, 0x6f, 0x64, 0x65, 0x12, 0x21,
+	0x28, 0x08, 0x52, 0x09, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x4d, 0x6f, 0x64, 0x65, 0x42, 0x33, 0x5a,
-	0x0a, 0x0c, 0x69, 0x64, 0x6c, 0x65, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x18, 0x04,
+	0x31, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73,
-	0x20, 0x01, 0x28, 0x05, 0x52, 0x0b, 0x69, 0x64, 0x6c, 0x65, 0x54, 0x69, 0x6d, 0x65, 0x6f, 0x75,
+	0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73,
-	0x74, 0x12, 0x30, 0x0a, 0x14, 0x68, 0x65, 0x61, 0x6c, 0x74, 0x68, 0x5f, 0x63, 0x68, 0x65, 0x63,
+	0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2f, 0x67, 0x72,
-	0x6b, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x18, 0x05, 0x20, 0x01, 0x28, 0x05, 0x52,
+	0x70, 0x63, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-	0x12, 0x68, 0x65, 0x61, 0x6c, 0x74, 0x68, 0x43, 0x68, 0x65, 0x63, 0x6b, 0x54, 0x69, 0x6d, 0x65,
-	0x6f, 0x75, 0x74, 0x12, 0x32, 0x0a, 0x15, 0x70, 0x65, 0x72, 0x6d, 0x69, 0x74, 0x5f, 0x77, 0x69,
-	0x74, 0x68, 0x6f, 0x75, 0x74, 0x5f, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x18, 0x06, 0x20, 0x01,
-	0x28, 0x08, 0x52, 0x13, 0x70, 0x65, 0x72, 0x6d, 0x69, 0x74, 0x57, 0x69, 0x74, 0x68, 0x6f, 0x75,
-	0x74, 0x53, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x42, 0x33, 0x5a, 0x31, 0x67, 0x69, 0x74, 0x68, 0x75,
-	0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d,
-	0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69,
-	0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x62, 0x06, 0x70, 0x72,
-	0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

transport/internet/grpc/config.proto

@@ -7,7 +7,4 @@ message Config {
   string host = 1;
   string service_name = 2;
   bool multi_mode = 3;
-  int32 idle_timeout = 4;
-  int32 health_check_timeout = 5;
-  bool permit_without_stream = 6;
 }

transport/internet/grpc/dial.go

@@ -10,7 +10,6 @@ import (
 	"google.golang.org/grpc/backoff"
 	"google.golang.org/grpc/connectivity"
 	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/keepalive"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/net"
@@ -36,7 +35,8 @@ func init() {
 
 type dialerConf struct {
 	net.Destination
-	*internet.MemoryStreamConfig
+	*internet.SocketConfig
+	*tls.Config
 }
 
 var (
@@ -47,7 +47,9 @@ var (
 func dialgRPC(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (net.Conn, error) {
 	grpcSettings := streamSettings.ProtocolSettings.(*Config)
 
-	conn, err := getGrpcClient(ctx, dest, streamSettings)
+	tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
+
+	conn, err := getGrpcClient(ctx, dest, tlsConfig, streamSettings.SocketSettings)
 
 	if err != nil {
 		return nil, newError("Cannot dial gRPC").Base(err)
@@ -55,14 +57,14 @@ func dialgRPC(ctx context.Context, dest net.Destination, streamSettings *interne
 	client := encoding.NewGRPCServiceClient(conn)
 	if grpcSettings.MultiMode {
 		newError("using gRPC multi mode").AtDebug().WriteToLog()
-		grpcService, err := client.(encoding.GRPCServiceClientX).TunMultiCustomName(ctx, grpcSettings.getNormalizedName())
+		grpcService, err := client.(encoding.GRPCServiceClientX).TunMultiCustomName(ctx, grpcSettings.ServiceName)
 		if err != nil {
 			return nil, newError("Cannot dial gRPC").Base(err)
 		}
 		return encoding.NewMultiHunkConn(grpcService, nil), nil
 	}
 
-	grpcService, err := client.(encoding.GRPCServiceClientX).TunCustomName(ctx, grpcSettings.getNormalizedName())
+	grpcService, err := client.(encoding.GRPCServiceClientX).TunCustomName(ctx, grpcSettings.ServiceName)
 	if err != nil {
 		return nil, newError("Cannot dial gRPC").Base(err)
 	}
@@ -70,22 +72,33 @@ func dialgRPC(ctx context.Context, dest net.Destination, streamSettings *interne
 	return encoding.NewHunkConn(grpcService, nil), nil
 }
 
-func getGrpcClient(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (*grpc.ClientConn, error) {
+func getGrpcClient(ctx context.Context, dest net.Destination, tlsConfig *tls.Config, sockopt *internet.SocketConfig) (*grpc.ClientConn, error) {
 	globalDialerAccess.Lock()
 	defer globalDialerAccess.Unlock()
 
 	if globalDialerMap == nil {
 		globalDialerMap = make(map[dialerConf]*grpc.ClientConn)
 	}
-	tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
-	sockopt := streamSettings.SocketSettings
-	grpcSettings := streamSettings.ProtocolSettings.(*Config)
 
-	if client, found := globalDialerMap[dialerConf{dest, streamSettings}]; found && client.GetState() != connectivity.Shutdown {
+	if client, found := globalDialerMap[dialerConf{dest, sockopt, tlsConfig}]; found && client.GetState() != connectivity.Shutdown {
 		return client, nil
 	}
 
-	var dialOptions = []grpc.DialOption{
+	dialOption := grpc.WithInsecure()
+
+	if tlsConfig != nil {
+		dialOption = grpc.WithTransportCredentials(credentials.NewTLS(tlsConfig.GetTLSConfig()))
+	}
+
+	var grpcDestHost string
+	if dest.Address.Family().IsDomain() {
+		grpcDestHost = dest.Address.Domain()
+	} else {
+		grpcDestHost = dest.Address.IP().String()
+	}
+	conn, err := grpc.Dial(
+		gonet.JoinHostPort(grpcDestHost, dest.Port.String()),
+		dialOption,
 		grpc.WithConnectParams(grpc.ConnectParams{
 			Backoff: backoff.Config{
 				BaseDelay:  500 * time.Millisecond,
@@ -119,33 +132,7 @@ func getGrpcClient(ctx context.Context, dest net.Destination, streamSettings *in
 			address := net.ParseAddress(rawHost)
 			return internet.DialSystem(gctx, net.TCPDestination(address, port), sockopt)
 		}),
-	}
-
-	if tlsConfig != nil {
-		dialOptions = append(dialOptions, grpc.WithTransportCredentials(credentials.NewTLS(tlsConfig.GetTLSConfig())))
-	} else {
-		dialOptions = append(dialOptions, grpc.WithInsecure())
-	}
-
-	if grpcSettings.IdleTimeout > 0 || grpcSettings.HealthCheckTimeout > 0 || grpcSettings.PermitWithoutStream {
-		dialOptions = append(dialOptions, grpc.WithKeepaliveParams(keepalive.ClientParameters{
-			Time:                time.Second * time.Duration(grpcSettings.IdleTimeout),
-			Timeout:             time.Second * time.Duration(grpcSettings.HealthCheckTimeout),
-			PermitWithoutStream: grpcSettings.PermitWithoutStream,
-		}))
-	}
-
-	var grpcDestHost string
-	if dest.Address.Family().IsDomain() {
-		grpcDestHost = dest.Address.Domain()
-	} else {
-		grpcDestHost = dest.Address.IP().String()
-	}
-
-	conn, err := grpc.Dial(
-		gonet.JoinHostPort(grpcDestHost, dest.Port.String()),
-		dialOptions...,
 	)
-	globalDialerMap[dialerConf{dest, streamSettings}] = conn
+	globalDialerMap[dialerConf{dest, sockopt, tlsConfig}] = conn
 	return conn, err
 }

transport/internet/grpc/encoding/customSeviceName.go

@@ -39,7 +39,7 @@ func (c *gRPCServiceClient) TunCustomName(ctx context.Context, name string, opts
 }
 
 func (c *gRPCServiceClient) TunMultiCustomName(ctx context.Context, name string, opts ...grpc.CallOption) (GRPCService_TunMultiClient, error) {
-	stream, err := c.cc.NewStream(ctx, &ServerDesc(name).Streams[1], "/"+name+"/TunMulti", opts...)
+	stream, err := c.cc.NewStream(ctx, &ServerDesc(name).Streams[0], "/"+name+"/TunMulti", opts...)
 	if err != nil {
 		return nil, err
 	}

transport/internet/grpc/hub.go

@@ -2,11 +2,9 @@ package grpc
 
 import (
 	"context"
-	"time"
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/keepalive"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/net"
@@ -77,19 +75,12 @@ func Listen(ctx context.Context, address net.Address, port net.Port, settings *i
 
 	config := tls.ConfigFromStreamSettings(settings)
 
-	var options []grpc.ServerOption
 	var s *grpc.Server
-	if config != nil {
+	if config == nil {
-		options = append(options, grpc.Creds(credentials.NewTLS(config.GetTLSConfig(tls.WithNextProto("h2")))))
+		s = grpc.NewServer()
+	} else {
+		s = grpc.NewServer(grpc.Creds(credentials.NewTLS(config.GetTLSConfig(tls.WithNextProto("h2")))))
 	}
-	if grpcSettings.IdleTimeout > 0 || grpcSettings.HealthCheckTimeout > 0 {
-		options = append(options, grpc.KeepaliveParams(keepalive.ServerParameters{
-			Time:    time.Second * time.Duration(grpcSettings.IdleTimeout),
-			Timeout: time.Second * time.Duration(grpcSettings.HealthCheckTimeout),
-		}))
-	}
-
-	s = grpc.NewServer(options...)
 	listener.s = s
 
 	if settings.SocketSettings != nil && settings.SocketSettings.AcceptProxyProtocol {
@@ -123,7 +114,7 @@ func Listen(ctx context.Context, address net.Address, port net.Port, settings *i
 			}
 		}
 
-		encoding.RegisterGRPCServiceServerX(s, listener, grpcSettings.getNormalizedName())
+		encoding.RegisterGRPCServiceServerX(s, listener, grpcSettings.ServiceName)
 
 		if err = s.Serve(streamListener); err != nil {
 			newError("Listener for gRPC ended").Base(err).WriteToLog()

transport/internet/headers/http/http.go

@@ -90,7 +90,7 @@ func (h *HeaderReader) Read(reader io.Reader) (*buf.Buffer, error) {
 			buffer.Clear()
 			copy(buffer.Extend(lenEnding), leftover)
 
-			if _, err := readRequest(bufio.NewReader(bytes.NewReader(headerBuf.Bytes()))); err != io.ErrUnexpectedEOF {
+			if _, err := readRequest(bufio.NewReader(bytes.NewReader(headerBuf.Bytes())), false); err != io.ErrUnexpectedEOF {
 				return nil, err
 			}
 		}
@@ -110,7 +110,7 @@ func (h *HeaderReader) Read(reader io.Reader) (*buf.Buffer, error) {
 	}
 
 	// Parse the request
-	if req, err := readRequest(bufio.NewReader(bytes.NewReader(headerBuf.Bytes()))); err != nil {
+	if req, err := readRequest(bufio.NewReader(bytes.NewReader(headerBuf.Bytes())), false); err != nil {
 		return nil, err
 	} else {
 		h.req = req

transport/internet/headers/http/linkedreadRequest.go

@@ -8,4 +8,4 @@ import (
 )
 
 //go:linkname readRequest net/http.readRequest
-func readRequest(b *bufio.Reader) (req *http.Request, err error)
+func readRequest(b *bufio.Reader, deleteHostHeader bool) (req *http.Request, err error)

transport/internet/http/config.pb.go

@@ -1,12 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
+// 	protoc-gen-go v1.25.0
-// 	protoc        v3.17.3
+// 	protoc        v3.14.0
 // source: transport/internet/http/config.proto
 
 package http
 
 import (
+	proto "github.com/golang/protobuf/proto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -20,15 +21,17 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
+
 type Config struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Host               []string `protobuf:"bytes,1,rep,name=host,proto3" json:"host,omitempty"`
+	Host []string `protobuf:"bytes,1,rep,name=host,proto3" json:"host,omitempty"`
-	Path               string   `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
+	Path string   `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
-	IdleTimeout        int32    `protobuf:"varint,3,opt,name=idle_timeout,json=idleTimeout,proto3" json:"idle_timeout,omitempty"`
-	HealthCheckTimeout int32    `protobuf:"varint,4,opt,name=health_check_timeout,json=healthCheckTimeout,proto3" json:"health_check_timeout,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -77,20 +80,6 @@ func (x *Config) GetPath() string {
 	return ""
 }
 
-func (x *Config) GetIdleTimeout() int32 {
-	if x != nil {
-		return x.IdleTimeout
-	}
-	return 0
-}
-
-func (x *Config) GetHealthCheckTimeout() int32 {
-	if x != nil {
-		return x.HealthCheckTimeout
-	}
-	return 0
-}
-
 var File_transport_internet_http_config_proto protoreflect.FileDescriptor
 
 var file_transport_internet_http_config_proto_rawDesc = []byte{
@@ -98,23 +87,18 @@ var file_transport_internet_http_config_proto_rawDesc = []byte{
 	0x72, 0x6e, 0x65, 0x74, 0x2f, 0x68, 0x74, 0x74, 0x70, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67,
 	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x1c, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61,
 	0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e,
-	0x68, 0x74, 0x74, 0x70, 0x22, 0x85, 0x01, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12,
+	0x68, 0x74, 0x74, 0x70, 0x22, 0x30, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x12,
-	0x12, 0x0a, 0x04, 0x68, 0x6f, 0x73, 0x74, 0x18, 0x01, 0x20, 0x03, 0x28, 0x09, 0x52, 0x04, 0x68,
+	0x0a, 0x04, 0x68, 0x6f, 0x73, 0x74, 0x18, 0x01, 0x20, 0x03, 0x28, 0x09, 0x52, 0x04, 0x68, 0x6f,
-	0x6f, 0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x70, 0x61, 0x74, 0x68, 0x18, 0x02, 0x20, 0x01, 0x28,
+	0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x70, 0x61, 0x74, 0x68, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09,
-	0x09, 0x52, 0x04, 0x70, 0x61, 0x74, 0x68, 0x12, 0x21, 0x0a, 0x0c, 0x69, 0x64, 0x6c, 0x65, 0x5f,
+	0x52, 0x04, 0x70, 0x61, 0x74, 0x68, 0x42, 0x76, 0x0a, 0x20, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72,
-	0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0b, 0x69,
+	0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74,
-	0x64, 0x6c, 0x65, 0x54, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x12, 0x30, 0x0a, 0x14, 0x68, 0x65,
+	0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x68, 0x74, 0x74, 0x70, 0x50, 0x01, 0x5a, 0x31, 0x67, 0x69,
-	0x61, 0x6c, 0x74, 0x68, 0x5f, 0x63, 0x68, 0x65, 0x63, 0x6b, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x6f,
+	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72,
-	0x75, 0x74, 0x18, 0x04, 0x20, 0x01, 0x28, 0x05, 0x52, 0x12, 0x68, 0x65, 0x61, 0x6c, 0x74, 0x68,
+	0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72,
-	0x43, 0x68, 0x65, 0x63, 0x6b, 0x54, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x42, 0x76, 0x0a, 0x20,
+	0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2f, 0x68, 0x74, 0x74, 0x70, 0xaa,
-	0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f,
+	0x02, 0x1c, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74,
-	0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x68, 0x74, 0x74, 0x70,
+	0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x48, 0x74, 0x74, 0x70, 0x62, 0x06,
-	0x50, 0x01, 0x5a, 0x31, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-	0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72,
-	0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
-	0x2f, 0x68, 0x74, 0x74, 0x70, 0xaa, 0x02, 0x1c, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61,
-	0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e,
-	0x48, 0x74, 0x74, 0x70, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

transport/internet/http/config.proto

@@ -9,6 +9,4 @@ option java_multiple_files = true;
 message Config {
   repeated string host = 1;
   string path = 2;
-  int32 idle_timeout = 3;
-  int32 health_check_timeout = 4;
 }

transport/internet/http/dialer.go

@@ -6,7 +6,6 @@ import (
 	"net/http"
 	"net/url"
 	"sync"
-	"time"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
@@ -21,7 +20,8 @@ import (
 
 type dialerConf struct {
 	net.Destination
-	*internet.MemoryStreamConfig
+	*internet.SocketConfig
+	*tls.Config
 }
 
 var (
@@ -29,7 +29,7 @@ var (
 	globalDialerAccess sync.Mutex
 )
 
-func getHTTPClient(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (*http.Client, error) {
+func getHTTPClient(ctx context.Context, dest net.Destination, tlsSettings *tls.Config, sockopt *internet.SocketConfig) (*http.Client, error) {
 	globalDialerAccess.Lock()
 	defer globalDialerAccess.Unlock()
 
@@ -37,14 +37,7 @@ func getHTTPClient(ctx context.Context, dest net.Destination, streamSettings *in
 		globalDialerMap = make(map[dialerConf]*http.Client)
 	}
 
-	httpSettings := streamSettings.ProtocolSettings.(*Config)
+	if client, found := globalDialerMap[dialerConf{dest, sockopt, tlsSettings}]; found {
-	tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
-	if tlsConfig == nil {
-		return nil, newError("TLS must be enabled for http transport.").AtWarning()
-	}
-	sockopt := streamSettings.SocketSettings
-
-	if client, found := globalDialerMap[dialerConf{dest, streamSettings}]; found {
 		return client, nil
 	}
 
@@ -93,26 +86,25 @@ func getHTTPClient(ctx context.Context, dest net.Destination, streamSettings *in
 			}
 			return cn, nil
 		},
-		TLSClientConfig: tlsConfig.GetTLSConfig(tls.WithDestination(dest)),
+		TLSClientConfig: tlsSettings.GetTLSConfig(tls.WithDestination(dest)),
-	}
-
-	if httpSettings.IdleTimeout > 0 || httpSettings.HealthCheckTimeout > 0 {
-		transport.ReadIdleTimeout = time.Second * time.Duration(httpSettings.IdleTimeout)
-		transport.PingTimeout = time.Second * time.Duration(httpSettings.HealthCheckTimeout)
 	}
 
 	client := &http.Client{
 		Transport: transport,
 	}
 
-	globalDialerMap[dialerConf{dest, streamSettings}] = client
+	globalDialerMap[dialerConf{dest, sockopt, tlsSettings}] = client
 	return client, nil
 }
 
 // Dial dials a new TCP connection to the given destination.
 func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (internet.Connection, error) {
 	httpSettings := streamSettings.ProtocolSettings.(*Config)
-	client, err := getHTTPClient(ctx, dest, streamSettings)
+	tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
+	if tlsConfig == nil {
+		return nil, newError("TLS must be enabled for http transport.").AtWarning()
+	}
+	client, err := getHTTPClient(ctx, dest, tlsConfig, streamSettings.SocketSettings)
 	if err != nil {
 		return nil, err
 	}

transport/internet/system_dialer.go

@@ -5,18 +5,29 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/xtls/xray-core/common"
+	"github.com/xtls/xray-core/common/dice"
 	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/net/cnc"
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/features/dns"
 	"github.com/xtls/xray-core/features/outbound"
+	"github.com/xtls/xray-core/transport"
+	"github.com/xtls/xray-core/transport/pipe"
 )
 
 var (
 	effectiveSystemDialer SystemDialer = &DefaultSystemDialer{}
 )
 
+// InitSystemDialer: It's private method and you are NOT supposed to use this function.
+func InitSystemDialer(dc dns.Client, om outbound.Manager) {
+	effectiveSystemDialer.Init(dc, om)
+}
+
 type SystemDialer interface {
 	Dial(ctx context.Context, source net.Address, destination net.Destination, sockopt *SocketConfig) (net.Conn, error)
+	Init(dc dns.Client, om outbound.Manager)
 }
 
 type DefaultSystemDialer struct {
@@ -47,8 +58,85 @@ func hasBindAddr(sockopt *SocketConfig) bool {
 	return sockopt != nil && len(sockopt.BindAddress) > 0 && sockopt.BindPort > 0
 }
 
+func (d *DefaultSystemDialer) lookupIP(domain string, strategy DomainStrategy, localAddr net.Address) ([]net.IP, error) {
+	if d.dns == nil {
+		return nil, nil
+	}
+
+	var option = dns.IPOption{
+		IPv4Enable: true,
+		IPv6Enable: true,
+		FakeEnable: false,
+	}
+
+	switch {
+	case strategy == DomainStrategy_USE_IP4 || (localAddr != nil && localAddr.Family().IsIPv4()):
+		option = dns.IPOption{
+			IPv4Enable: true,
+			IPv6Enable: false,
+			FakeEnable: false,
+		}
+	case strategy == DomainStrategy_USE_IP6 || (localAddr != nil && localAddr.Family().IsIPv6()):
+		option = dns.IPOption{
+			IPv4Enable: false,
+			IPv6Enable: true,
+			FakeEnable: false,
+		}
+	case strategy == DomainStrategy_AS_IS:
+		return nil, nil
+	}
+
+	return d.dns.LookupIP(domain, option)
+}
+
+func (d *DefaultSystemDialer) canLookupIP(ctx context.Context, dst net.Destination, sockopt *SocketConfig) bool {
+	if sockopt == nil || dst.Address.Family().IsIP() || d.dns == nil {
+		return false
+	}
+	if dst.Address.Domain() == LookupDomainFromContext(ctx) {
+		newError("infinite loop detected").AtError().WriteToLog(session.ExportIDToError(ctx))
+		return false
+	}
+	return sockopt.DomainStrategy != DomainStrategy_AS_IS
+}
+
+func (d *DefaultSystemDialer) redirect(ctx context.Context, dst net.Destination, obt string) net.Conn {
+	newError("redirecting request " + dst.String() + " to " + obt).WriteToLog(session.ExportIDToError(ctx))
+	h := d.obm.GetHandler(obt)
+	ctx = session.ContextWithOutbound(ctx, &session.Outbound{dst, nil})
+	if h != nil {
+		ur, uw := pipe.New(pipe.OptionsFromContext(ctx)...)
+		dr, dw := pipe.New(pipe.OptionsFromContext(ctx)...)
+
+		go h.Dispatch(ctx, &transport.Link{ur, dw})
+		nc := cnc.NewConnection(
+			cnc.ConnectionInputMulti(uw),
+			cnc.ConnectionOutputMulti(dr),
+			cnc.ConnectionOnClose(common.ChainedClosable{uw, dw}),
+		)
+		return nc
+	}
+	return nil
+}
+
 func (d *DefaultSystemDialer) Dial(ctx context.Context, src net.Address, dest net.Destination, sockopt *SocketConfig) (net.Conn, error) {
 	newError("dialing to " + dest.String()).AtDebug().WriteToLog()
+	if d.obm != nil && sockopt != nil && len(sockopt.DialerProxy) > 0 {
+		nc := d.redirect(ctx, dest, sockopt.DialerProxy)
+		if nc != nil {
+			return nc, nil
+		}
+	}
+
+	if d.canLookupIP(ctx, dest, sockopt) {
+		ips, err := d.lookupIP(dest.Address.String(), sockopt.DomainStrategy, src)
+		if err == nil && len(ips) > 0 {
+			dest.Address = net.IPAddress(ips[dice.Roll(len(ips))])
+			newError("replace destination with " + dest.String()).AtInfo().WriteToLog()
+		} else if err != nil {
+			newError("failed to resolve ip").Base(err).AtWarning().WriteToLog()
+		}
+	}
 
 	if dest.Network == net.Network_UDP && !hasBindAddr(sockopt) {
 		srcAddr := resolveSrcAddr(net.Network_UDP, src)
@@ -104,6 +192,11 @@ func (d *DefaultSystemDialer) Dial(ctx context.Context, src net.Address, dest ne
 	return dialer.DialContext(ctx, dest.Network.SystemString(), dest.NetAddr())
 }
 
+func (d *DefaultSystemDialer) Init(dc dns.Client, om outbound.Manager) {
+	d.dns = dc
+	d.obm = om
+}
+
 type PacketConnWrapper struct {
 	conn net.PacketConn
 	dest net.Addr
@@ -164,6 +257,8 @@ func WithAdapter(dialer SystemDialerAdapter) SystemDialer {
 	}
 }
 
+func (v *SimpleSystemDialer) Init(_ dns.Client, _ outbound.Manager) {}
+
 func (v *SimpleSystemDialer) Dial(ctx context.Context, src net.Address, dest net.Destination, sockopt *SocketConfig) (net.Conn, error) {
 	return v.adapter.Dial(dest.Network.SystemString(), dest.NetAddr())
 }

transport/internet/system_dialer_context.go

@@ -0,0 +1,18 @@
+package internet
+
+import "context"
+
+type systemDialer int
+
+const systemDialerKey systemDialer = 0
+
+func ContextWithLookupDomain(ctx context.Context, domain string) context.Context {
+	return context.WithValue(ctx, systemDialerKey, domain)
+}
+
+func LookupDomainFromContext(ctx context.Context) string {
+	if domain, ok := ctx.Value(systemDialerKey).(string); ok {
+		return domain
+	}
+	return ""
+}

transport/internet/tls/config.go

@@ -121,7 +121,7 @@ func isCertificateExpired(c *tls.Certificate) bool {
 	}
 
 	// If leaf is not there, the certificate is probably not used yet. We trust user to provide a valid certificate.
-	return c.Leaf != nil && c.Leaf.NotAfter.Before(time.Now().Add(time.Minute*2))
+	return c.Leaf != nil && c.Leaf.NotAfter.Before(time.Now().Add(-time.Minute))
 }
 
 func issueCertificate(rawCA *Certificate, domain string) (*tls.Certificate, error) {
@@ -173,9 +173,6 @@ func getGetCertificateFunc(c *tls.Config, ca []*Certificate) func(hello *tls.Cli
 			for _, certificate := range c.Certificates {
 				if !isCertificateExpired(&certificate) {
 					newCerts = append(newCerts, certificate)
-				} else if certificate.Leaf != nil {
-					expTime := certificate.Leaf.NotAfter.Format(time.RFC3339)
-					newError("old certificate for ", domain, " (expire on ", expTime, ") discarded").AtInfo().WriteToLog()
 				}
 			}
 
@@ -193,14 +190,6 @@ func getGetCertificateFunc(c *tls.Config, ca []*Certificate) func(hello *tls.Cli
 					newError("failed to issue new certificate for ", domain).Base(err).WriteToLog()
 					continue
 				}
-				parsed, err := x509.ParseCertificate(newCert.Certificate[0])
-				if err == nil {
-					newCert.Leaf = parsed
-					expTime := parsed.NotAfter.Format(time.RFC3339)
-					newError("new certificate for ", domain, " (expire on ", expTime, ") issued").AtInfo().WriteToLog()
-				} else {
-					newError("failed to parse new certificate for ", domain).Base(err).WriteToLog()
-				}
 
 				access.Lock()
 				c.Certificates = append(c.Certificates, *newCert)
@@ -222,13 +211,13 @@ func getGetCertificateFunc(c *tls.Config, ca []*Certificate) func(hello *tls.Cli
 	}
 }
 
-func getNewGetCertificateFunc(certs []*tls.Certificate, rejectUnknownSNI bool) func(hello *tls.ClientHelloInfo) (*tls.Certificate, error) {
+func getNewGetCertficateFunc(certs []*tls.Certificate) func(hello *tls.ClientHelloInfo) (*tls.Certificate, error) {
 	return func(hello *tls.ClientHelloInfo) (*tls.Certificate, error) {
 		if len(certs) == 0 {
-			return nil, errNoCertificates
+			return nil, newError("empty certs")
 		}
 		sni := strings.ToLower(hello.ServerName)
-		if !rejectUnknownSNI && (len(certs) == 1 || sni == "") {
+		if len(certs) == 1 || sni == "" {
 			return certs[0], nil
 		}
 		gsni := "*"
@@ -245,9 +234,6 @@ func getNewGetCertificateFunc(certs []*tls.Certificate, rejectUnknownSNI bool) f
 				}
 			}
 		}
-		if rejectUnknownSNI {
-			return nil, errNoCertificates
-		}
 		return certs[0], nil
 	}
 }
@@ -289,7 +275,7 @@ func (c *Config) GetTLSConfig(opts ...Option) *tls.Config {
 	if len(caCerts) > 0 {
 		config.GetCertificate = getGetCertificateFunc(config, caCerts)
 	} else {
-		config.GetCertificate = getNewGetCertificateFunc(c.BuildCertificates(), c.RejectUnknownSni)
+		config.GetCertificate = getNewGetCertficateFunc(c.BuildCertificates())
 	}
 
 	if sn := c.parseServerName(); len(sn) > 0 {

transport/internet/tls/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.25.0
-// 	protoc        v3.15.8
+// 	protoc        v3.15.6
 // source: transport/internet/tls/config.proto
 
 package tls
@@ -201,8 +201,7 @@ type Config struct {
 	// Whether the server selects its most preferred ciphersuite.
 	PreferServerCipherSuites bool `protobuf:"varint,10,opt,name=prefer_server_cipher_suites,json=preferServerCipherSuites,proto3" json:"prefer_server_cipher_suites,omitempty"`
 	// TLS Client Hello fingerprint (uTLS).
-	Fingerprint      string `protobuf:"bytes,11,opt,name=fingerprint,proto3" json:"fingerprint,omitempty"`
+	Fingerprint string `protobuf:"bytes,11,opt,name=fingerprint,proto3" json:"fingerprint,omitempty"`
-	RejectUnknownSni bool   `protobuf:"varint,12,opt,name=reject_unknown_sni,json=rejectUnknownSni,proto3" json:"reject_unknown_sni,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -314,13 +313,6 @@ func (x *Config) GetFingerprint() string {
 	return ""
 }
 
-func (x *Config) GetRejectUnknownSni() bool {
-	if x != nil {
-		return x.RejectUnknownSni
-	}
-	return false
-}
-
 var File_transport_internet_tls_config_proto protoreflect.FileDescriptor
 
 var file_transport_internet_tls_config_proto_rawDesc = []byte{
@@ -350,7 +342,7 @@ var file_transport_internet_tls_config_proto_rawDesc = []byte{
 	0x43, 0x49, 0x50, 0x48, 0x45, 0x52, 0x4d, 0x45, 0x4e, 0x54, 0x10, 0x00, 0x12, 0x14, 0x0a, 0x10,
 	0x41, 0x55, 0x54, 0x48, 0x4f, 0x52, 0x49, 0x54, 0x59, 0x5f, 0x56, 0x45, 0x52, 0x49, 0x46, 0x59,
 	0x10, 0x01, 0x12, 0x13, 0x0a, 0x0f, 0x41, 0x55, 0x54, 0x48, 0x4f, 0x52, 0x49, 0x54, 0x59, 0x5f,
-	0x49, 0x53, 0x53, 0x55, 0x45, 0x10, 0x02, 0x22, 0xa3, 0x04, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66,
+	0x49, 0x53, 0x53, 0x55, 0x45, 0x10, 0x02, 0x22, 0xf5, 0x03, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66,
 	0x69, 0x67, 0x12, 0x25, 0x0a, 0x0e, 0x61, 0x6c, 0x6c, 0x6f, 0x77, 0x5f, 0x69, 0x6e, 0x73, 0x65,
 	0x63, 0x75, 0x72, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0d, 0x61, 0x6c, 0x6c, 0x6f,
 	0x77, 0x49, 0x6e, 0x73, 0x65, 0x63, 0x75, 0x72, 0x65, 0x12, 0x4a, 0x0a, 0x0b, 0x63, 0x65, 0x72,
@@ -381,18 +373,15 @@ var file_transport_internet_tls_config_proto_rawDesc = []byte{
 	0x01, 0x28, 0x08, 0x52, 0x18, 0x70, 0x72, 0x65, 0x66, 0x65, 0x72, 0x53, 0x65, 0x72, 0x76, 0x65,
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+	0x28, 0x09, 0x52, 0x0b, 0x66, 0x69, 0x6e, 0x67, 0x65, 0x72, 0x70, 0x72, 0x69, 0x6e, 0x74, 0x42,
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+	0x2e, 0x54, 0x6c, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-	0x2f, 0x74, 0x6c, 0x73, 0xaa, 0x02, 0x1b, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e,
-	0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x54,
-	0x6c, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

transport/internet/tls/config.proto

@@ -67,6 +67,4 @@ message Config {
 
   // TLS Client Hello fingerprint (uTLS).
   string fingerprint = 11;
-
-  bool reject_unknown_sni = 12;
 }

transport/internet/tls/unsafe.go

@@ -1,6 +0,0 @@
-package tls
-
-import _ "unsafe"
-
-//go:linkname errNoCertificates crypto/tls.errNoCertificates
-var errNoCertificates error

transport/internet/xtls/config.go

@@ -212,13 +212,13 @@ func getGetCertificateFunc(c *xtls.Config, ca []*Certificate) func(hello *xtls.C
 	}
 }
 
-func getNewGetCertificateFunc(certs []*xtls.Certificate, rejectUnknownSNI bool) func(hello *xtls.ClientHelloInfo) (*xtls.Certificate, error) {
+func getNewGetCertficateFunc(certs []*xtls.Certificate) func(hello *xtls.ClientHelloInfo) (*xtls.Certificate, error) {
 	return func(hello *xtls.ClientHelloInfo) (*xtls.Certificate, error) {
 		if len(certs) == 0 {
-			return nil, errNoCertificates
+			return nil, newError("empty certs")
 		}
 		sni := strings.ToLower(hello.ServerName)
-		if !rejectUnknownSNI && (len(certs) == 1 || sni == "") {
+		if len(certs) == 1 || sni == "" {
 			return certs[0], nil
 		}
 		gsni := "*"
@@ -235,9 +235,6 @@ func getNewGetCertificateFunc(certs []*xtls.Certificate, rejectUnknownSNI bool)
 				}
 			}
 		}
-		if rejectUnknownSNI {
-			return nil, errNoCertificates
-		}
 		return certs[0], nil
 	}
 }
@@ -279,7 +276,7 @@ func (c *Config) GetXTLSConfig(opts ...Option) *xtls.Config {
 	if len(caCerts) > 0 {
 		config.GetCertificate = getGetCertificateFunc(config, caCerts)
 	} else {
-		config.GetCertificate = getNewGetCertificateFunc(c.BuildCertificates(), c.RejectUnknownSni)
+		config.GetCertificate = getNewGetCertficateFunc(c.BuildCertificates())
 	}
 
 	if sn := c.parseServerName(); len(sn) > 0 {

transport/internet/xtls/config.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.25.0
-// 	protoc        v3.15.8
+// 	protoc        v3.14.0
 // source: transport/internet/xtls/config.proto
 
 package xtls
@@ -200,7 +200,6 @@ type Config struct {
 	CipherSuites string `protobuf:"bytes,9,opt,name=cipher_suites,json=cipherSuites,proto3" json:"cipher_suites,omitempty"`
 	// Whether the server selects its most preferred ciphersuite.
 	PreferServerCipherSuites bool `protobuf:"varint,10,opt,name=prefer_server_cipher_suites,json=preferServerCipherSuites,proto3" json:"prefer_server_cipher_suites,omitempty"`
-	RejectUnknownSni         bool `protobuf:"varint,12,opt,name=reject_unknown_sni,json=rejectUnknownSni,proto3" json:"reject_unknown_sni,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -305,13 +304,6 @@ func (x *Config) GetPreferServerCipherSuites() bool {
 	return false
 }
 
-func (x *Config) GetRejectUnknownSni() bool {
-	if x != nil {
-		return x.RejectUnknownSni
-	}
-	return false
-}
-
 var File_transport_internet_xtls_config_proto protoreflect.FileDescriptor
 
 var file_transport_internet_xtls_config_proto_rawDesc = []byte{
@@ -341,7 +333,7 @@ var file_transport_internet_xtls_config_proto_rawDesc = []byte{
 	0x0c, 0x45, 0x4e, 0x43, 0x49, 0x50, 0x48, 0x45, 0x52, 0x4d, 0x45, 0x4e, 0x54, 0x10, 0x00, 0x12,
 	0x14, 0x0a, 0x10, 0x41, 0x55, 0x54, 0x48, 0x4f, 0x52, 0x49, 0x54, 0x59, 0x5f, 0x56, 0x45, 0x52,
 	0x49, 0x46, 0x59, 0x10, 0x01, 0x12, 0x13, 0x0a, 0x0f, 0x41, 0x55, 0x54, 0x48, 0x4f, 0x52, 0x49,
-	0x54, 0x59, 0x5f, 0x49, 0x53, 0x53, 0x55, 0x45, 0x10, 0x02, 0x22, 0x82, 0x04, 0x0a, 0x06, 0x43,
+	0x54, 0x59, 0x5f, 0x49, 0x53, 0x53, 0x55, 0x45, 0x10, 0x02, 0x22, 0xd4, 0x03, 0x0a, 0x06, 0x43,
 	0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x25, 0x0a, 0x0e, 0x61, 0x6c, 0x6c, 0x6f, 0x77, 0x5f, 0x69,
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@@ -371,17 +363,15 @@ var file_transport_internet_xtls_config_proto_rawDesc = []byte{
 	0x76, 0x65, 0x72, 0x5f, 0x63, 0x69, 0x70, 0x68, 0x65, 0x72, 0x5f, 0x73, 0x75, 0x69, 0x74, 0x65,
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+	0x33,
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 }
 
 var (

transport/internet/xtls/config.proto

@@ -64,7 +64,4 @@ message Config {
 
   // Whether the server selects its most preferred ciphersuite.
   bool prefer_server_cipher_suites = 10;
-
-
-  bool reject_unknown_sni = 12;
 }

transport/internet/xtls/unsafe.go

@@ -1,6 +0,0 @@
-package xtls
-
-import _ "unsafe"
-
-//go:linkname errNoCertificates github.com/xtls/go.errNoCertificates
-var errNoCertificates error