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Merge branch 'dns' into features-looutbound

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秋のかえで 2021-04-14 23:24:22 +08:00
commit ab3b0f843d
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71 changed files with 2447 additions and 1156 deletions
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5
README.md
View file

@ -23,8 +23,9 @@
- [Xray4Magisk](https://github.com/CerteKim/Xray4Magisk)
- [Xray_For_Magisk](https://github.com/E7KMbb/Xray_For_Magisk)
- Homebrew
- [Repository 0](https://github.com/N4FA/homebrew-xray)
- [Repository 1](https://github.com/xiruizhao/homebrew-xray)
- `brew install xray`
- [(Tap) Repository 0](https://github.com/N4FA/homebrew-xray)
- [(Tap) Repository 1](https://github.com/xiruizhao/homebrew-xray)
## Usage

9
app/dispatcher/default.go
View file

@ -196,7 +196,7 @@ func shouldOverride(ctx context.Context, result SniffResult, request session.Sni
return true
}
if fakeDNSEngine != nil && protocolString != "bittorrent" && p == "fakedns" &&
fakeDNSEngine.GetFakeIPRange().Contains(destination.Address.IP()) {
destination.Address.Family().IsIP() && fakeDNSEngine.GetFakeIPRange().Contains(destination.Address.IP()) {
newError("Using sniffer ", protocolString, " since the fake DNS missed").WriteToLog(session.ExportIDToError(ctx))
return true
}
@ -309,15 +309,10 @@ func sniffer(ctx context.Context, cReader *cachedReader, metadataOnly bool) (Sni
func (d *DefaultDispatcher) routedDispatch(ctx context.Context, link *transport.Link, destination net.Destination) {
var handler outbound.Handler
skipRoutePick := false
if content := session.ContentFromContext(ctx); content != nil {
skipRoutePick = content.SkipRoutePick
}
routingLink := routing_session.AsRoutingContext(ctx)
inTag := routingLink.GetInboundTag()
isPickRoute := false
if d.router != nil && !skipRoutePick {
if d.router != nil {
if route, err := d.router.PickRoute(routingLink); err == nil {
outTag := route.GetOutboundTag()
isPickRoute = true

63
app/dns/config.go Normal file
View file

@ -0,0 +1,63 @@
package dns
import (
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/strmatcher"
"github.com/xtls/xray-core/common/uuid"
)
var typeMap = map[DomainMatchingType]strmatcher.Type{
DomainMatchingType_Full: strmatcher.Full,
DomainMatchingType_Subdomain: strmatcher.Domain,
DomainMatchingType_Keyword: strmatcher.Substr,
DomainMatchingType_Regex: strmatcher.Regex,
}
// References:
// https://www.iana.org/assignments/special-use-domain-names/special-use-domain-names.xhtml
// https://unix.stackexchange.com/questions/92441/whats-the-difference-between-local-home-and-lan
var localTLDsAndDotlessDomains = []*NameServer_PriorityDomain{
{Type: DomainMatchingType_Regex, Domain: "^[^.]+$"}, // This will only match domains without any dot
{Type: DomainMatchingType_Subdomain, Domain: "local"},
{Type: DomainMatchingType_Subdomain, Domain: "localdomain"},
{Type: DomainMatchingType_Subdomain, Domain: "localhost"},
{Type: DomainMatchingType_Subdomain, Domain: "lan"},
{Type: DomainMatchingType_Subdomain, Domain: "home.arpa"},
{Type: DomainMatchingType_Subdomain, Domain: "example"},
{Type: DomainMatchingType_Subdomain, Domain: "invalid"},
{Type: DomainMatchingType_Subdomain, Domain: "test"},
}
var localTLDsAndDotlessDomainsRule = &NameServer_OriginalRule{
Rule: "geosite:private",
Size: uint32(len(localTLDsAndDotlessDomains)),
}
func toStrMatcher(t DomainMatchingType, domain string) (strmatcher.Matcher, error) {
strMType, f := typeMap[t]
if !f {
return nil, newError("unknown mapping type", t).AtWarning()
}
matcher, err := strMType.New(domain)
if err != nil {
return nil, newError("failed to create str matcher").Base(err)
}
return matcher, nil
}
func toNetIP(addrs []net.Address) ([]net.IP, error) {
ips := make([]net.IP, 0, len(addrs))
for _, addr := range addrs {
if addr.Family().IsIP() {
ips = append(ips, addr.IP())
} else {
return nil, newError("Failed to convert address", addr, "to Net IP.").AtWarning()
}
}
return ips, nil
}
func generateRandomTag() string {
id := uuid.New()
return "xray.system." + id.String()
}

358
app/dns/config.pb.go
View file

@ -1,7 +1,7 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// protoc v3.15.8
// source: app/dns/config.proto
package dns
@ -79,12 +79,112 @@ func (DomainMatchingType) EnumDescriptor() ([]byte, []int) {
return file_app_dns_config_proto_rawDescGZIP(), []int{0}
}
type QueryStrategy int32
const (
QueryStrategy_USE_IP QueryStrategy = 0
QueryStrategy_USE_IP4 QueryStrategy = 1
QueryStrategy_USE_IP6 QueryStrategy = 2
)
// Enum value maps for QueryStrategy.
var (
QueryStrategy_name = map[int32]string{
0: "USE_IP",
1: "USE_IP4",
2: "USE_IP6",
}
QueryStrategy_value = map[string]int32{
"USE_IP": 0,
"USE_IP4": 1,
"USE_IP6": 2,
}
)
func (x QueryStrategy) Enum() *QueryStrategy {
p := new(QueryStrategy)
*p = x
return p
}
func (x QueryStrategy) String() string {
return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
}
func (QueryStrategy) Descriptor() protoreflect.EnumDescriptor {
return file_app_dns_config_proto_enumTypes[1].Descriptor()
}
func (QueryStrategy) Type() protoreflect.EnumType {
return &file_app_dns_config_proto_enumTypes[1]
}
func (x QueryStrategy) Number() protoreflect.EnumNumber {
return protoreflect.EnumNumber(x)
}
// Deprecated: Use QueryStrategy.Descriptor instead.
func (QueryStrategy) EnumDescriptor() ([]byte, []int) {
return file_app_dns_config_proto_rawDescGZIP(), []int{1}
}
type CacheStrategy int32
const (
CacheStrategy_Cache_ALL CacheStrategy = 0
CacheStrategy_Cache_NOERROR CacheStrategy = 1
CacheStrategy_Cache_DISABLE CacheStrategy = 2
)
// Enum value maps for CacheStrategy.
var (
CacheStrategy_name = map[int32]string{
0: "Cache_ALL",
1: "Cache_NOERROR",
2: "Cache_DISABLE",
}
CacheStrategy_value = map[string]int32{
"Cache_ALL": 0,
"Cache_NOERROR": 1,
"Cache_DISABLE": 2,
}
)
func (x CacheStrategy) Enum() *CacheStrategy {
p := new(CacheStrategy)
*p = x
return p
}
func (x CacheStrategy) String() string {
return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
}
func (CacheStrategy) Descriptor() protoreflect.EnumDescriptor {
return file_app_dns_config_proto_enumTypes[2].Descriptor()
}
func (CacheStrategy) Type() protoreflect.EnumType {
return &file_app_dns_config_proto_enumTypes[2]
}
func (x CacheStrategy) Number() protoreflect.EnumNumber {
return protoreflect.EnumNumber(x)
}
// Deprecated: Use CacheStrategy.Descriptor instead.
func (CacheStrategy) EnumDescriptor() ([]byte, []int) {
return file_app_dns_config_proto_rawDescGZIP(), []int{2}
}
type NameServer struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Address *net.Endpoint `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty"`
ClientIp []byte `protobuf:"bytes,5,opt,name=client_ip,json=clientIp,proto3" json:"client_ip,omitempty"`
SkipFallback bool `protobuf:"varint,6,opt,name=skipFallback,proto3" json:"skipFallback,omitempty"`
PrioritizedDomain []*NameServer_PriorityDomain `protobuf:"bytes,2,rep,name=prioritized_domain,json=prioritizedDomain,proto3" json:"prioritized_domain,omitempty"`
Geoip []*router.GeoIP `protobuf:"bytes,3,rep,name=geoip,proto3" json:"geoip,omitempty"`
OriginalRules []*NameServer_OriginalRule `protobuf:"bytes,4,rep,name=original_rules,json=originalRules,proto3" json:"original_rules,omitempty"`
@ -129,6 +229,20 @@ func (x *NameServer) GetAddress() *net.Endpoint {
return nil
}
func (x *NameServer) GetClientIp() []byte {
if x != nil {
return x.ClientIp
}
return nil
}
func (x *NameServer) GetSkipFallback() bool {
if x != nil {
return x.SkipFallback
}
return false
}
func (x *NameServer) GetPrioritizedDomain() []*NameServer_PriorityDomain {
if x != nil {
return x.PrioritizedDomain
@ -174,6 +288,10 @@ type Config struct {
StaticHosts []*Config_HostMapping `protobuf:"bytes,4,rep,name=static_hosts,json=staticHosts,proto3" json:"static_hosts,omitempty"`
// Tag is the inbound tag of DNS client.
Tag string `protobuf:"bytes,6,opt,name=tag,proto3" json:"tag,omitempty"`
// DisableCache disables DNS cache
CacheStrategy CacheStrategy `protobuf:"varint,8,opt,name=cache_strategy,json=cacheStrategy,proto3,enum=xray.app.dns.CacheStrategy" json:"cache_strategy,omitempty"`
QueryStrategy QueryStrategy `protobuf:"varint,9,opt,name=query_strategy,json=queryStrategy,proto3,enum=xray.app.dns.QueryStrategy" json:"query_strategy,omitempty"`
DisableFallback bool `protobuf:"varint,10,opt,name=disableFallback,proto3" json:"disableFallback,omitempty"`
}
func (x *Config) Reset() {
@ -252,6 +370,27 @@ func (x *Config) GetTag() string {
return ""
}
func (x *Config) GetCacheStrategy() CacheStrategy {
if x != nil {
return x.CacheStrategy
}
return CacheStrategy_Cache_ALL
}
func (x *Config) GetQueryStrategy() QueryStrategy {
if x != nil {
return x.QueryStrategy
}
return QueryStrategy_USE_IP
}
func (x *Config) GetDisableFallback() bool {
if x != nil {
return x.DisableFallback
}
return false
}
type NameServer_PriorityDomain struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@ -371,8 +510,7 @@ type Config_HostMapping struct {
Domain string `protobuf:"bytes,2,opt,name=domain,proto3" json:"domain,omitempty"`
Ip [][]byte `protobuf:"bytes,3,rep,name=ip,proto3" json:"ip,omitempty"`
// ProxiedDomain indicates the mapped domain has the same IP address on this
// domain. Xray will use this domain for IP queries. This field is only
// effective if ip is empty.
// domain. Xray will use this domain for IP queries.
ProxiedDomain string `protobuf:"bytes,4,opt,name=proxied_domain,json=proxiedDomain,proto3" json:"proxied_domain,omitempty"`
}
@ -446,77 +584,101 @@ var file_app_dns_config_proto_rawDesc = []byte{
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}
var (
@ -531,37 +693,41 @@ func file_app_dns_config_proto_rawDescGZIP() []byte {
return file_app_dns_config_proto_rawDescData
}
var file_app_dns_config_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
var file_app_dns_config_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
var file_app_dns_config_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
var file_app_dns_config_proto_goTypes = []interface{}{
(DomainMatchingType)(0), // 0: xray.app.dns.DomainMatchingType
(*NameServer)(nil), // 1: xray.app.dns.NameServer
(*Config)(nil), // 2: xray.app.dns.Config
(*NameServer_PriorityDomain)(nil), // 3: xray.app.dns.NameServer.PriorityDomain
(*NameServer_OriginalRule)(nil), // 4: xray.app.dns.NameServer.OriginalRule
nil, // 5: xray.app.dns.Config.HostsEntry
(*Config_HostMapping)(nil), // 6: xray.app.dns.Config.HostMapping
(*net.Endpoint)(nil), // 7: xray.common.net.Endpoint
(*router.GeoIP)(nil), // 8: xray.app.router.GeoIP
(*net.IPOrDomain)(nil), // 9: xray.common.net.IPOrDomain
(QueryStrategy)(0), // 1: xray.app.dns.QueryStrategy
(CacheStrategy)(0), // 2: xray.app.dns.CacheStrategy
(*NameServer)(nil), // 3: xray.app.dns.NameServer
(*Config)(nil), // 4: xray.app.dns.Config
(*NameServer_PriorityDomain)(nil), // 5: xray.app.dns.NameServer.PriorityDomain
(*NameServer_OriginalRule)(nil), // 6: xray.app.dns.NameServer.OriginalRule
nil, // 7: xray.app.dns.Config.HostsEntry
(*Config_HostMapping)(nil), // 8: xray.app.dns.Config.HostMapping
(*net.Endpoint)(nil), // 9: xray.common.net.Endpoint
(*router.GeoIP)(nil), // 10: xray.app.router.GeoIP
(*net.IPOrDomain)(nil), // 11: xray.common.net.IPOrDomain
}
var file_app_dns_config_proto_depIdxs = []int32{
7, // 0: xray.app.dns.NameServer.address:type_name -> xray.common.net.Endpoint
3, // 1: xray.app.dns.NameServer.prioritized_domain:type_name -> xray.app.dns.NameServer.PriorityDomain
8, // 2: xray.app.dns.NameServer.geoip:type_name -> xray.app.router.GeoIP
4, // 3: xray.app.dns.NameServer.original_rules:type_name -> xray.app.dns.NameServer.OriginalRule
7, // 4: xray.app.dns.Config.NameServers:type_name -> xray.common.net.Endpoint
1, // 5: xray.app.dns.Config.name_server:type_name -> xray.app.dns.NameServer
5, // 6: xray.app.dns.Config.Hosts:type_name -> xray.app.dns.Config.HostsEntry
6, // 7: xray.app.dns.Config.static_hosts:type_name -> xray.app.dns.Config.HostMapping
0, // 8: xray.app.dns.NameServer.PriorityDomain.type:type_name -> xray.app.dns.DomainMatchingType
9, // 9: xray.app.dns.Config.HostsEntry.value:type_name -> xray.common.net.IPOrDomain
0, // 10: xray.app.dns.Config.HostMapping.type:type_name -> xray.app.dns.DomainMatchingType
11, // [11:11] is the sub-list for method output_type
11, // [11:11] is the sub-list for method input_type
11, // [11:11] is the sub-list for extension type_name
11, // [11:11] is the sub-list for extension extendee
0, // [0:11] is the sub-list for field type_name
9, // 0: xray.app.dns.NameServer.address:type_name -> xray.common.net.Endpoint
5, // 1: xray.app.dns.NameServer.prioritized_domain:type_name -> xray.app.dns.NameServer.PriorityDomain
10, // 2: xray.app.dns.NameServer.geoip:type_name -> xray.app.router.GeoIP
6, // 3: xray.app.dns.NameServer.original_rules:type_name -> xray.app.dns.NameServer.OriginalRule
9, // 4: xray.app.dns.Config.NameServers:type_name -> xray.common.net.Endpoint
3, // 5: xray.app.dns.Config.name_server:type_name -> xray.app.dns.NameServer
7, // 6: xray.app.dns.Config.Hosts:type_name -> xray.app.dns.Config.HostsEntry
8, // 7: xray.app.dns.Config.static_hosts:type_name -> xray.app.dns.Config.HostMapping
2, // 8: xray.app.dns.Config.cache_strategy:type_name -> xray.app.dns.CacheStrategy
1, // 9: xray.app.dns.Config.query_strategy:type_name -> xray.app.dns.QueryStrategy
0, // 10: xray.app.dns.NameServer.PriorityDomain.type:type_name -> xray.app.dns.DomainMatchingType
11, // 11: xray.app.dns.Config.HostsEntry.value:type_name -> xray.common.net.IPOrDomain
0, // 12: xray.app.dns.Config.HostMapping.type:type_name -> xray.app.dns.DomainMatchingType
13, // [13:13] is the sub-list for method output_type
13, // [13:13] is the sub-list for method input_type
13, // [13:13] is the sub-list for extension type_name
13, // [13:13] is the sub-list for extension extendee
0, // [0:13] is the sub-list for field type_name
}
func init() { file_app_dns_config_proto_init() }
@ -636,7 +802,7 @@ func file_app_dns_config_proto_init() {
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_app_dns_config_proto_rawDesc,
NumEnums: 1,
NumEnums: 3,
NumMessages: 6,
NumExtensions: 0,
NumServices: 0,

24
app/dns/config.proto
View file

@ -12,6 +12,8 @@ import "app/router/config.proto";
message NameServer {
xray.common.net.Endpoint address = 1;
bytes client_ip = 5;
bool skipFallback = 6;
message PriorityDomain {
DomainMatchingType type = 1;
@ -35,6 +37,18 @@ enum DomainMatchingType {
Regex = 3;
}
enum QueryStrategy {
USE_IP = 0;
USE_IP4 = 1;
USE_IP6 = 2;
}
enum CacheStrategy {
Cache_ALL = 0;
Cache_NOERROR = 1;
Cache_DISABLE = 2;
}
message Config {
// Nameservers used by this DNS. Only traditional UDP servers are support at
// the moment. A special value 'localhost' as a domain address can be set to
@ -59,8 +73,7 @@ message Config {
repeated bytes ip = 3;
// ProxiedDomain indicates the mapped domain has the same IP address on this
// domain. Xray will use this domain for IP queries. This field is only
// effective if ip is empty.
// domain. Xray will use this domain for IP queries.
string proxied_domain = 4;
}
@ -70,4 +83,11 @@ message Config {
string tag = 6;
reserved 7;
// DisableCache disables DNS cache
CacheStrategy cache_strategy = 8;
QueryStrategy query_strategy = 9;
bool disableFallback = 10;
}

309
app/dns/dns.go
View file

@ -2,3 +2,312 @@
package dns
//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
import (
"context"
"fmt"
"strings"
"sync"
"github.com/xtls/xray-core/app/router"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/common/strmatcher"
"github.com/xtls/xray-core/features"
"github.com/xtls/xray-core/features/dns"
)
// DNS is a DNS rely server.
type DNS struct {
sync.Mutex
tag string
cacheStrategy CacheStrategy
disableFallback bool
ipOption *dns.IPOption
hosts *StaticHosts
clients []*Client
ctx context.Context
domainMatcher strmatcher.IndexMatcher
matcherInfos []DomainMatcherInfo
}
// DomainMatcherInfo contains information attached to index returned by Server.domainMatcher
type DomainMatcherInfo struct {
clientIdx uint16
domainRuleIdx uint16
}
// New creates a new DNS server with given configuration.
func New(ctx context.Context, config *Config) (*DNS, error) {
var tag string
if len(config.Tag) > 0 {
tag = config.Tag
} else {
tag = generateRandomTag()
}
var clientIP net.IP
switch len(config.ClientIp) {
case 0, net.IPv4len, net.IPv6len:
clientIP = net.IP(config.ClientIp)
default:
return nil, newError("unexpected client IP length ", len(config.ClientIp))
}
var ipOption *dns.IPOption
switch config.QueryStrategy {
case QueryStrategy_USE_IP:
ipOption = &dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
}
case QueryStrategy_USE_IP4:
ipOption = &dns.IPOption{
IPv4Enable: true,
IPv6Enable: false,
FakeEnable: false,
}
case QueryStrategy_USE_IP6:
ipOption = &dns.IPOption{
IPv4Enable: false,
IPv6Enable: true,
FakeEnable: false,
}
}
hosts, err := NewStaticHosts(config.StaticHosts, config.Hosts)
if err != nil {
return nil, newError("failed to create hosts").Base(err)
}
clients := []*Client{}
domainRuleCount := 0
for _, ns := range config.NameServer {
domainRuleCount += len(ns.PrioritizedDomain)
}
// MatcherInfos is ensured to cover the maximum index domainMatcher could return, where matcher's index starts from 1
matcherInfos := make([]DomainMatcherInfo, domainRuleCount+1)
domainMatcher := &strmatcher.MatcherGroup{}
geoipContainer := router.GeoIPMatcherContainer{}
for _, endpoint := range config.NameServers {
features.PrintDeprecatedFeatureWarning("simple DNS server")
client, err := NewSimpleClient(ctx, endpoint, clientIP)
if err != nil {
return nil, newError("failed to create client").Base(err)
}
clients = append(clients, client)
}
for _, ns := range config.NameServer {
clientIdx := len(clients)
updateDomain := func(domainRule strmatcher.Matcher, originalRuleIdx int, matcherInfos []DomainMatcherInfo) error {
midx := domainMatcher.Add(domainRule)
matcherInfos[midx] = DomainMatcherInfo{
clientIdx: uint16(clientIdx),
domainRuleIdx: uint16(originalRuleIdx),
}
return nil
}
myClientIP := clientIP
switch len(ns.ClientIp) {
case net.IPv4len, net.IPv6len:
myClientIP = net.IP(ns.ClientIp)
}
client, err := NewClient(ctx, ns, myClientIP, geoipContainer, &matcherInfos, updateDomain)
if err != nil {
return nil, newError("failed to create client").Base(err)
}
clients = append(clients, client)
}
// If there is no DNS client in config, add a `localhost` DNS client
if len(clients) == 0 {
clients = append(clients, NewLocalDNSClient())
}
return &DNS{
tag: tag,
hosts: hosts,
ipOption: ipOption,
clients: clients,
ctx: ctx,
domainMatcher: domainMatcher,
matcherInfos: matcherInfos,
cacheStrategy: config.CacheStrategy,
disableFallback: config.DisableFallback,
}, nil
}
// Type implements common.HasType.
func (*DNS) Type() interface{} {
return dns.ClientType()
}
// Start implements common.Runnable.
func (s *DNS) Start() error {
return nil
}
// Close implements common.Closable.
func (s *DNS) Close() error {
return nil
}
// IsOwnLink implements proxy.dns.ownLinkVerifier
func (s *DNS) IsOwnLink(ctx context.Context) bool {
inbound := session.InboundFromContext(ctx)
return inbound != nil && inbound.Tag == s.tag
}
// LookupIP implements dns.Client.
func (s *DNS) LookupIP(domain string) ([]net.IP, error) {
return s.lookupIPInternal(domain, s.ipOption.Copy())
}
// LookupOptions implements dns.Client.
func (s *DNS) LookupOptions(domain string, opts ...dns.Option) ([]net.IP, error) {
opt := s.ipOption.Copy()
for _, o := range opts {
if o != nil {
o(opt)
}
}
return s.lookupIPInternal(domain, opt)
}
// LookupIPv4 implements dns.IPv4Lookup.
func (s *DNS) LookupIPv4(domain string) ([]net.IP, error) {
return s.lookupIPInternal(domain, &dns.IPOption{
IPv4Enable: true,
})
}
// LookupIPv6 implements dns.IPv6Lookup.
func (s *DNS) LookupIPv6(domain string) ([]net.IP, error) {
return s.lookupIPInternal(domain, &dns.IPOption{
IPv6Enable: true,
})
}
func (s *DNS) lookupIPInternal(domain string, option *dns.IPOption) ([]net.IP, error) {
if domain == "" {
return nil, newError("empty domain name")
}
if isQuery(option) {
return nil, newError("empty option: Impossible.").AtWarning()
}
// Normalize the FQDN form query
if strings.HasSuffix(domain, ".") {
domain = domain[:len(domain)-1]
}
// Static host lookup
switch addrs := s.hosts.Lookup(domain, option); {
case addrs == nil: // Domain not recorded in static host
break
case len(addrs) == 0: // Domain recorded, but no valid IP returned (e.g. IPv4 address with only IPv6 enabled)
return nil, dns.ErrEmptyResponse
case len(addrs) == 1 && addrs[0].Family().IsDomain(): // Domain replacement
newError("domain replaced: ", domain, " -> ", addrs[0].Domain()).WriteToLog()
domain = addrs[0].Domain()
default:
// Successfully found ip records in static host.
// Skip hosts mapping result in FakeDNS query.
if isIPQuery(option) {
newError("returning ", len(addrs), " IP(s) for domain ", domain, " -> ", addrs).WriteToLog()
return toNetIP(addrs)
}
}
// Name servers lookup
errs := []error{}
ctx := session.ContextWithInbound(s.ctx, &session.Inbound{Tag: s.tag})
for _, client := range s.sortClients(domain, option) {
ips, err := client.QueryIP(ctx, domain, *option, s.cacheStrategy)
if len(ips) > 0 {
return ips, nil
}
if err != nil {
newError("failed to lookup ip for domain ", domain, " at server ", client.Name()).Base(err).WriteToLog()
errs = append(errs, err)
}
if err != context.Canceled && err != context.DeadlineExceeded && err != errExpectedIPNonMatch {
return nil, err
}
}
return nil, newError("returning nil for domain ", domain).Base(errors.Combine(errs...))
}
func (s *DNS) sortClients(domain string, option *dns.IPOption) []*Client {
clients := make([]*Client, 0, len(s.clients))
clientUsed := make([]bool, len(s.clients))
clientNames := make([]string, 0, len(s.clients))
domainRules := []string{}
defer func() {
if len(domainRules) > 0 {
newError("domain ", domain, " matches following rules: ", domainRules).AtDebug().WriteToLog()
}
if len(clientNames) > 0 {
newError("domain ", domain, " will use DNS in order: ", clientNames).AtDebug().WriteToLog()
}
if len(clients) == 0 {
clients = append(clients, s.clients[0])
clientNames = append(clientNames, s.clients[0].Name())
newError("domain ", domain, " will use the first DNS: ", clientNames).AtDebug().WriteToLog()
}
}()
// Priority domain matching
for _, match := range s.domainMatcher.Match(domain) {
info := s.matcherInfos[match]
client := s.clients[info.clientIdx]
domainRule := client.domains[info.domainRuleIdx]
if !canQueryOnClient(option, client) {
newError("skipping the client " + client.Name()).AtDebug().WriteToLog()
continue
}
domainRules = append(domainRules, fmt.Sprintf("%s(DNS idx:%d)", domainRule, info.clientIdx))
if clientUsed[info.clientIdx] {
continue
}
clientUsed[info.clientIdx] = true
clients = append(clients, client)
clientNames = append(clientNames, client.Name())
}
if !s.disableFallback {
// Default round-robin query
for idx, client := range s.clients {
if clientUsed[idx] || client.skipFallback {
continue
}
if !canQueryOnClient(option, client) {
newError("skipping the client " + client.Name()).AtDebug().WriteToLog()
continue
}
clientUsed[idx] = true
clients = append(clients, client)
clientNames = append(clientNames, client.Name())
}
}
return clients
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return New(ctx, config.(*Config))
}))
}

139
app/dns/server_test.go → app/dns/dns_test.go
View file

@ -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:
rr, _ := dns.NewRR("mijia\\ cloud. IN A 127.0.0.1")
case q.Name == "Mijia\\ Cloud." && q.Qtype == dns.TypeA:
rr, _ := dns.NewRR("Mijia\\ Cloud. IN A 127.0.0.1")
ans.Answer = append(ans.Answer, rr)
}
}
@ -154,11 +154,7 @@ func TestUDPServerSubnet(t *testing.T) {
client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
ips, err := client.LookupIP("google.com", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -213,11 +209,7 @@ func TestUDPServer(t *testing.T) {
client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
{
ips, err := client.LookupIP("google.com", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -228,11 +220,7 @@ func TestUDPServer(t *testing.T) {
}
{
ips, err := client.LookupIP("facebook.com", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("facebook.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -243,11 +231,7 @@ func TestUDPServer(t *testing.T) {
}
{
_, err := client.LookupIP("notexist.google.com", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
_, err := client.LookupIP("notexist.google.com")
if err == nil {
t.Fatal("nil error")
}
@ -257,11 +241,8 @@ func TestUDPServer(t *testing.T) {
}
{
ips, err := client.LookupIP("ipv4only.google.com", feature_dns.IPOption{
IPv4Enable: false,
IPv6Enable: true,
FakeEnable: false,
})
clientv6 := client.(feature_dns.IPv6Lookup)
ips, err := clientv6.LookupIPv6("ipv4only.google.com")
if err != feature_dns.ErrEmptyResponse {
t.Fatal("error: ", err)
}
@ -273,11 +254,7 @@ func TestUDPServer(t *testing.T) {
dnsServer.Shutdown()
{
ips, err := client.LookupIP("google.com", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -354,11 +331,7 @@ func TestPrioritizedDomain(t *testing.T) {
startTime := time.Now()
{
ips, err := client.LookupIP("google.com", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -417,12 +390,9 @@ func TestUDPServerIPv6(t *testing.T) {
common.Must(err)
client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
client6 := client.(feature_dns.IPv6Lookup)
{
ips, err := client.LookupIP("ipv6.google.com", feature_dns.IPOption{
IPv4Enable: false,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client6.LookupIPv6("ipv6.google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -485,11 +455,7 @@ func TestStaticHostDomain(t *testing.T) {
client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
{
ips, err := client.LookupIP("example.com", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("example.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -596,11 +562,7 @@ func TestIPMatch(t *testing.T) {
startTime := time.Now()
{
ips, err := client.LookupIP("google.com", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -719,11 +681,7 @@ func TestLocalDomain(t *testing.T) {
startTime := time.Now()
{ // Will match dotless:
ips, err := client.LookupIP("hostname", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("hostname")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -734,11 +692,7 @@ func TestLocalDomain(t *testing.T) {
}
{ // Will match domain:local
ips, err := client.LookupIP("hostname.local", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("hostname.local")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -749,11 +703,7 @@ func TestLocalDomain(t *testing.T) {
}
{ // Will match static ip
ips, err := client.LookupIP("hostnamestatic", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("hostnamestatic")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -764,11 +714,7 @@ func TestLocalDomain(t *testing.T) {
}
{ // Will match domain replacing
ips, err := client.LookupIP("hostnamealias", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("hostnamealias")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -779,11 +725,7 @@ func TestLocalDomain(t *testing.T) {
}
{ // Will match dotless:localhost, but not expectIPs: 127.0.0.2, 127.0.0.3, then matches at dotless:
ips, err := client.LookupIP("localhost", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("localhost")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -794,11 +736,7 @@ func TestLocalDomain(t *testing.T) {
}
{ // Will match dotless:localhost, and expectIPs: 127.0.0.2, 127.0.0.3
ips, err := client.LookupIP("localhost-a", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("localhost-a")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -809,11 +747,7 @@ func TestLocalDomain(t *testing.T) {
}
{ // Will match dotless:localhost, and expectIPs: 127.0.0.2, 127.0.0.3
ips, err := client.LookupIP("localhost-b", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("localhost-b")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -824,11 +758,7 @@ func TestLocalDomain(t *testing.T) {
}
{ // Will match dotless:
ips, err := client.LookupIP("Mijia Cloud", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("Mijia Cloud")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -990,11 +920,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
startTime := time.Now()
{ // Will match server 1,2 and server 1 returns expected ip
ips, err := client.LookupIP("google.com", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -1005,11 +931,8 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
}
{ // Will match server 1,2 and server 1 returns unexpected ip, then server 2 returns expected one
ips, err := client.LookupIP("ipv6.google.com", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: false,
FakeEnable: false,
})
clientv4 := client.(feature_dns.IPv4Lookup)
ips, err := clientv4.LookupIPv4("ipv6.google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -1020,11 +943,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
}
{ // Will match server 3,1,2 and server 3 returns expected one
ips, err := client.LookupIP("api.google.com", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("api.google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}
@ -1035,11 +954,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
}
{ // Will match server 4,3,1,2 and server 4 returns expected one
ips, err := client.LookupIP("v2.api.google.com", feature_dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := client.LookupIP("v2.api.google.com")
if err != nil {
t.Fatal("unexpected error: ", err)
}

71
app/dns/hosts.go
View file

@ -14,25 +14,6 @@ type StaticHosts struct {
matchers *strmatcher.MatcherGroup
}
var typeMap = map[DomainMatchingType]strmatcher.Type{
DomainMatchingType_Full: strmatcher.Full,
DomainMatchingType_Subdomain: strmatcher.Domain,
DomainMatchingType_Keyword: strmatcher.Substr,
DomainMatchingType_Regex: strmatcher.Regex,
}
func toStrMatcher(t DomainMatchingType, domain string) (strmatcher.Matcher, error) {
strMType, f := typeMap[t]
if !f {
return nil, newError("unknown mapping type", t).AtWarning()
}
matcher, err := strMType.New(domain)
if err != nil {
return nil, newError("failed to create str matcher").Base(err)
}
return matcher, nil
}
// NewStaticHosts creates a new StaticHosts instance.
func NewStaticHosts(hosts []*Config_HostMapping, legacy map[string]*net.IPOrDomain) (*StaticHosts, error) {
g := new(strmatcher.MatcherGroup)
@ -66,6 +47,9 @@ func NewStaticHosts(hosts []*Config_HostMapping, legacy map[string]*net.IPOrDoma
id := g.Add(matcher)
ips := make([]net.Address, 0, len(mapping.Ip)+1)
switch {
case len(mapping.ProxiedDomain) > 0:
ips = append(ips, net.DomainAddress(mapping.ProxiedDomain))
case len(mapping.Ip) > 0:
for _, ip := range mapping.Ip {
addr := net.IPAddress(ip)
@ -75,49 +59,56 @@ func NewStaticHosts(hosts []*Config_HostMapping, legacy map[string]*net.IPOrDoma
ips = append(ips, addr)
}
case len(mapping.ProxiedDomain) > 0:
ips = append(ips, net.DomainAddress(mapping.ProxiedDomain))
default:
return nil, newError("neither IP address nor proxied domain specified for domain: ", mapping.Domain).AtWarning()
}
// Special handling for localhost IPv6. This is a dirty workaround as JSON config supports only single IP mapping.
if len(ips) == 1 && ips[0] == net.LocalHostIP {
ips = append(ips, net.LocalHostIPv6)
}
sh.ips[id] = ips
}
return sh, nil
}
func filterIP(ips []net.Address, option dns.IPOption) []net.Address {
func filterIP(ips []net.Address, option *dns.IPOption) []net.Address {
filtered := make([]net.Address, 0, len(ips))
for _, ip := range ips {
if (ip.Family().IsIPv4() && option.IPv4Enable) || (ip.Family().IsIPv6() && option.IPv6Enable) {
filtered = append(filtered, ip)
}
}
if len(filtered) == 0 {
return nil
}
return filtered
}
// LookupIP returns IP address for the given domain, if exists in this StaticHosts.
func (h *StaticHosts) LookupIP(domain string, option dns.IPOption) []net.Address {
indices := h.matchers.Match(domain)
if len(indices) == 0 {
return nil
}
ips := []net.Address{}
for _, id := range indices {
func (h *StaticHosts) lookupInternal(domain string) []net.Address {
var ips []net.Address
for _, id := range h.matchers.Match(domain) {
ips = append(ips, h.ips[id]...)
}
if len(ips) == 1 && ips[0].Family().IsDomain() {
return ips
}
return filterIP(ips, option)
return ips
}
func (h *StaticHosts) lookup(domain string, option *dns.IPOption, maxDepth int) []net.Address {
switch addrs := h.lookupInternal(domain); {
case len(addrs) == 0: // Not recorded in static hosts, return nil
return nil
case len(addrs) == 1 && addrs[0].Family().IsDomain(): // Try to unwrap domain
newError("found replaced domain: ", domain, " -> ", addrs[0].Domain(), ". Try to unwrap it").AtDebug().WriteToLog()
if maxDepth > 0 {
unwrapped := h.lookup(addrs[0].Domain(), option, maxDepth-1)
if unwrapped != nil {
return unwrapped
}
}
return addrs
default: // IP record found, return a non-nil IP array
return filterIP(addrs, option)
}
}
// Lookup returns IP addresses or proxied domain for the given domain, if exists in this StaticHosts.
func (h *StaticHosts) Lookup(domain string, option *dns.IPOption) []net.Address {
return h.lookup(domain, option, 5)
}

47
app/dns/hosts_test.go
View file

@ -20,6 +20,20 @@ func TestStaticHosts(t *testing.T) {
{1, 1, 1, 1},
},
},
{
Type: DomainMatchingType_Full,
Domain: "proxy.example.com",
Ip: [][]byte{
{1, 2, 3, 4},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
},
ProxiedDomain: "another-proxy.example.com",
},
{
Type: DomainMatchingType_Full,
Domain: "proxy2.example.com",
ProxiedDomain: "proxy.example.com",
},
{
Type: DomainMatchingType_Subdomain,
Domain: "example.cn",
@ -32,6 +46,7 @@ func TestStaticHosts(t *testing.T) {
Domain: "baidu.com",
Ip: [][]byte{
{127, 0, 0, 1},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
},
},
}
@ -40,7 +55,7 @@ func TestStaticHosts(t *testing.T) {
common.Must(err)
{
ips := hosts.LookupIP("example.com", dns.IPOption{
ips := hosts.Lookup("example.com", &dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
})
@ -53,7 +68,33 @@ func TestStaticHosts(t *testing.T) {
}
{
ips := hosts.LookupIP("www.example.cn", dns.IPOption{
domain := hosts.Lookup("proxy.example.com", &dns.IPOption{
IPv4Enable: true,
IPv6Enable: false,
})
if len(domain) != 1 {
t.Error("expect 1 domain, but got ", len(domain))
}
if diff := cmp.Diff(domain[0].Domain(), "another-proxy.example.com"); diff != "" {
t.Error(diff)
}
}
{
domain := hosts.Lookup("proxy2.example.com", &dns.IPOption{
IPv4Enable: true,
IPv6Enable: false,
})
if len(domain) != 1 {
t.Error("expect 1 domain, but got ", len(domain))
}
if diff := cmp.Diff(domain[0].Domain(), "another-proxy.example.com"); diff != "" {
t.Error(diff)
}
}
{
ips := hosts.Lookup("www.example.cn", &dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
})
@ -66,7 +107,7 @@ func TestStaticHosts(t *testing.T) {
}
{
ips := hosts.LookupIP("baidu.com", dns.IPOption{
ips := hosts.Lookup("baidu.com", &dns.IPOption{
IPv4Enable: false,
IPv6Enable: true,
})

205
app/dns/nameserver.go
View file

@ -2,40 +2,211 @@ package dns
import (
"context"
"net/url"
"strings"
"time"
"github.com/xtls/xray-core/app/router"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/strmatcher"
core "github.com/xtls/xray-core/core"
"github.com/xtls/xray-core/features/dns"
"github.com/xtls/xray-core/features/dns/localdns"
"github.com/xtls/xray-core/features/routing"
)
// Client is the interface for DNS client.
type Client interface {
// Server is the interface for Name Server.
type Server interface {
// Name of the Client.
Name() string
// QueryIP sends IP queries to its configured server.
QueryIP(ctx context.Context, domain string, option dns.IPOption) ([]net.IP, error)
QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns.IPOption, cs CacheStrategy) ([]net.IP, error)
}
type LocalNameServer struct {
client *localdns.Client
// Client is the interface for DNS client.
type Client struct {
server Server
clientIP net.IP
skipFallback bool
domains []string
expectIPs []*router.GeoIPMatcher
}
func (s *LocalNameServer) QueryIP(_ context.Context, domain string, option dns.IPOption) ([]net.IP, error) {
if option.IPv4Enable || option.IPv6Enable {
return s.client.LookupIP(domain, option)
var errExpectedIPNonMatch = errors.New("expectIPs not match")
// NewServer creates a name server object according to the network destination url.
func NewServer(dest net.Destination, dispatcher routing.Dispatcher) (Server, error) {
if address := dest.Address; address.Family().IsDomain() {
u, err := url.Parse(address.Domain())
if err != nil {
return nil, err
}
switch {
case strings.EqualFold(u.String(), "localhost"):
return NewLocalNameServer(), nil
case strings.EqualFold(u.Scheme, "https"): // DOH Remote mode
return NewDoHNameServer(u, dispatcher)
case strings.EqualFold(u.Scheme, "https+local"): // DOH Local mode
return NewDoHLocalNameServer(u), nil
case strings.EqualFold(u.Scheme, "quic+local"): // DNS-over-QUIC Local mode
return NewQUICNameServer(u)
case strings.EqualFold(u.String(), "fakedns"):
return NewFakeDNSServer(), nil
}
}
if dest.Network == net.Network_Unknown {
dest.Network = net.Network_UDP
}
if dest.Network == net.Network_UDP { // UDP classic DNS mode
return NewClassicNameServer(dest, dispatcher), nil
}
return nil, newError("No available name server could be created from ", dest).AtWarning()
}
// NewClient creates a DNS client managing a name server with client IP, domain rules and expected IPs.
func NewClient(ctx context.Context, ns *NameServer, clientIP net.IP, container router.GeoIPMatcherContainer, matcherInfos *[]DomainMatcherInfo, updateDomainRule func(strmatcher.Matcher, int, []DomainMatcherInfo) error) (*Client, error) {
client := &Client{}
err := core.RequireFeatures(ctx, func(dispatcher routing.Dispatcher) error {
// Create a new server for each client for now
server, err := NewServer(ns.Address.AsDestination(), dispatcher)
if err != nil {
return newError("failed to create nameserver").Base(err).AtWarning()
}
// Priotize local domains with specific TLDs or without any dot to local DNS
if _, isLocalDNS := server.(*LocalNameServer); isLocalDNS {
ns.PrioritizedDomain = append(ns.PrioritizedDomain, localTLDsAndDotlessDomains...)
ns.OriginalRules = append(ns.OriginalRules, localTLDsAndDotlessDomainsRule)
// The following lines is a solution to avoid core panics（rule index out of range） when setting `localhost` DNS client in config.
// Because the `localhost` DNS client will apend len(localTLDsAndDotlessDomains) rules into matcherInfos to match `geosite:private` default rule.
// But `matcherInfos` has no enough length to add rules, which leads to core panics (rule index out of range).
// To avoid this, the length of `matcherInfos` must be equal to the expected, so manually append it with Golang default zero value first for later modification.
for i := 0; i < len(localTLDsAndDotlessDomains); i++ {
*matcherInfos = append(*matcherInfos, DomainMatcherInfo{
clientIdx: uint16(0),
domainRuleIdx: uint16(0),
})
}
}
// Establish domain rules
var rules []string
ruleCurr := 0
ruleIter := 0
for _, domain := range ns.PrioritizedDomain {
domainRule, err := toStrMatcher(domain.Type, domain.Domain)
if err != nil {
return newError("failed to create prioritized domain").Base(err).AtWarning()
}
originalRuleIdx := ruleCurr
if ruleCurr < len(ns.OriginalRules) {
rule := ns.OriginalRules[ruleCurr]
if ruleCurr >= len(rules) {
rules = append(rules, rule.Rule)
}
ruleIter++
if ruleIter >= int(rule.Size) {
ruleIter = 0
ruleCurr++
}
} else { // No original rule, generate one according to current domain matcher (majorly for compatibility with tests)
rules = append(rules, domainRule.String())
ruleCurr++
}
err = updateDomainRule(domainRule, originalRuleIdx, *matcherInfos)
if err != nil {
return newError("failed to create prioritized domain").Base(err).AtWarning()
}
}
// Establish expected IPs
var matchers []*router.GeoIPMatcher
for _, geoip := range ns.Geoip {
matcher, err := container.Add(geoip)
if err != nil {
return newError("failed to create ip matcher").Base(err).AtWarning()
}
matchers = append(matchers, matcher)
}
if len(clientIP) > 0 {
switch ns.Address.Address.GetAddress().(type) {
case *net.IPOrDomain_Domain:
newError("DNS: client ", ns.Address.Address.GetDomain(), " uses clientIP ", clientIP.String()).AtInfo().WriteToLog()
case *net.IPOrDomain_Ip:
newError("DNS: client ", ns.Address.Address.GetIp(), " uses clientIP ", clientIP.String()).AtInfo().WriteToLog()
}
}
client.server = server
client.clientIP = clientIP
client.domains = rules
client.expectIPs = matchers
return nil
})
return client, err
}
// NewSimpleClient creates a DNS client with a simple destination.
func NewSimpleClient(ctx context.Context, endpoint *net.Endpoint, clientIP net.IP) (*Client, error) {
client := &Client{}
err := core.RequireFeatures(ctx, func(dispatcher routing.Dispatcher) error {
server, err := NewServer(endpoint.AsDestination(), dispatcher)
if err != nil {
return newError("failed to create nameserver").Base(err).AtWarning()
}
client.server = server
client.clientIP = clientIP
return nil
})
if len(clientIP) > 0 {
switch endpoint.Address.GetAddress().(type) {
case *net.IPOrDomain_Domain:
newError("DNS: client ", endpoint.Address.GetDomain(), " uses clientIP ", clientIP.String()).AtInfo().WriteToLog()
case *net.IPOrDomain_Ip:
newError("DNS: client ", endpoint.Address.GetIp(), " uses clientIP ", clientIP.String()).AtInfo().WriteToLog()
}
}
return nil, newError("neither IPv4 nor IPv6 is enabled")
return client, err
}
func (s *LocalNameServer) Name() string {
return "localhost"
// Name returns the server name the client manages.
func (c *Client) Name() string {
return c.server.Name()
}
func NewLocalNameServer() *LocalNameServer {
newError("DNS: created localhost client").AtInfo().WriteToLog()
return &LocalNameServer{
client: localdns.New(),
// QueryIP send DNS query to the name server with the client's IP.
func (c *Client) QueryIP(ctx context.Context, domain string, option dns.IPOption, cs CacheStrategy) ([]net.IP, error) {
ctx, cancel := context.WithTimeout(ctx, 4*time.Second)
ips, err := c.server.QueryIP(ctx, domain, c.clientIP, option, cs)
cancel()
if err != nil {
return ips, err
}
return c.MatchExpectedIPs(domain, ips)
}
// MatchExpectedIPs matches queried domain IPs with expected IPs and returns matched ones.
func (c *Client) MatchExpectedIPs(domain string, ips []net.IP) ([]net.IP, error) {
if len(c.expectIPs) == 0 {
return ips, nil
}
newIps := []net.IP{}
for _, ip := range ips {
for _, matcher := range c.expectIPs {
if matcher.Match(ip) {
newIps = append(newIps, ip)
break
}
}
}
if len(newIps) == 0 {
return nil, errExpectedIPNonMatch
}
newError("domain ", domain, " expectIPs ", newIps, " matched at server ", c.Name()).AtDebug().WriteToLog()
return newIps, nil
}

64
app/dns/dohdns.go → app/dns/nameserver_doh.go
View file

@ -42,10 +42,10 @@ type DoHNameServer struct {
name string
}
// NewDoHNameServer creates DOH client object for remote resolving
func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, clientIP net.IP) (*DoHNameServer, error) {
// NewDoHNameServer creates DOH server object for remote resolving
func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher) (*DoHNameServer, error) {
newError("DNS: created Remote DOH client for ", url.String()).AtInfo().WriteToLog()
s := baseDOHNameServer(url, "DOH", clientIP)
s := baseDOHNameServer(url, "DOH")
s.dispatcher = dispatcher
tr := &http.Transport{
@ -61,7 +61,8 @@ func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, clientIP net.
return nil, err
}
dispatcherCtx = session.ContextWithContent(dispatcherCtx, &session.Content{Protocol: "tls"})
dispatcherCtx = session.ContextWithContent(dispatcherCtx, session.ContentFromContext(ctx))
dispatcherCtx = session.ContextWithInbound(dispatcherCtx, session.InboundFromContext(ctx))
dispatcherCtx = log.ContextWithAccessMessage(dispatcherCtx, &log.AccessMessage{
From: "DoH",
To: s.dohURL,
@ -79,6 +80,12 @@ func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, clientIP net.
if err != nil {
return nil, err
}
log.Record(&log.AccessMessage{
From: "DoH",
To: s.dohURL,
Status: log.AccessAccepted,
Detour: "local",
})
cc := common.ChainedClosable{}
if cw, ok := link.Writer.(common.Closable); ok {
@ -103,9 +110,9 @@ func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, clientIP net.
}
// NewDoHLocalNameServer creates DOH client object for local resolving
func NewDoHLocalNameServer(url *url.URL, clientIP net.IP) *DoHNameServer {
func NewDoHLocalNameServer(url *url.URL) *DoHNameServer {
url.Scheme = "https"
s := baseDOHNameServer(url, "DOHL", clientIP)
s := baseDOHNameServer(url, "DOHL")
tr := &http.Transport{
IdleConnTimeout: 90 * time.Second,
ForceAttemptHTTP2: true,
@ -135,13 +142,12 @@ func NewDoHLocalNameServer(url *url.URL, clientIP net.IP) *DoHNameServer {
return s
}
func baseDOHNameServer(url *url.URL, prefix string, clientIP net.IP) *DoHNameServer {
func baseDOHNameServer(url *url.URL, prefix string) *DoHNameServer {
s := &DoHNameServer{
ips: make(map[string]record),
clientIP: clientIP,
pub: pubsub.NewService(),
name: prefix + "//" + url.Host,
dohURL: url.String(),
ips: make(map[string]record),
pub: pubsub.NewService(),
name: prefix + "//" + url.Host,
dohURL: url.String(),
}
s.cleanup = &task.Periodic{
Interval: time.Minute,
@ -151,7 +157,7 @@ func baseDOHNameServer(url *url.URL, prefix string, clientIP net.IP) *DoHNameSer
return s
}
// Name returns client name
// Name implements Server.
func (s *DoHNameServer) Name() string {
return s.name
}
@ -234,7 +240,7 @@ func (s *DoHNameServer) newReqID() uint16 {
return uint16(atomic.AddUint32(&s.reqID, 1))
}
func (s *DoHNameServer) sendQuery(ctx context.Context, domain string, option dns_feature.IPOption) {
func (s *DoHNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {
newError(s.name, " querying: ", domain).AtInfo().WriteToLog(session.ExportIDToError(ctx))
if s.name+"." == "DOH//"+domain {
@ -242,7 +248,7 @@ func (s *DoHNameServer) sendQuery(ctx context.Context, domain string, option dns
return
}
reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(s.clientIP))
reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP))
var deadline time.Time
if d, ok := ctx.Deadline(); ok {
@ -263,8 +269,8 @@ func (s *DoHNameServer) sendQuery(ctx context.Context, domain string, option dns
}
dnsCtx = session.ContextWithContent(dnsCtx, &session.Content{
Protocol: "https",
//SkipRoutePick: true,
Protocol: "https",
SkipDNSResolve: true,
})
// forced to use mux for DOH
@ -348,7 +354,7 @@ func (s *DoHNameServer) findIPsForDomain(domain string, option dns_feature.IPOpt
}
if len(ips) > 0 {
return toNetIP(ips), nil
return toNetIP(ips)
}
if lastErr != nil {
@ -362,15 +368,21 @@ func (s *DoHNameServer) findIPsForDomain(domain string, option dns_feature.IPOpt
return nil, errRecordNotFound
}
// QueryIP is called from dns.Server->queryIPTimeout
func (s *DoHNameServer) QueryIP(ctx context.Context, domain string, option dns_feature.IPOption) ([]net.IP, error) { // nolint: dupl
// QueryIP implements Server.
func (s *DoHNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, cs CacheStrategy) ([]net.IP, error) { // nolint: dupl
fqdn := Fqdn(domain)
ips, err := s.findIPsForDomain(fqdn, option)
if err != errRecordNotFound {
newError(s.name, " cache HIT ", domain, " -> ", ips).Base(err).AtDebug().WriteToLog()
log.Record(&log.DNSLog{s.name, domain, ips, log.DNSCacheHit, 0, err})
return ips, err
if cs == CacheStrategy_Cache_DISABLE {
newError("DNS cache is disabled. Querying IP for ", domain, " at ", s.name).AtDebug().WriteToLog()
} else {
ips, err := s.findIPsForDomain(fqdn, option)
if err != errRecordNotFound {
if cs == CacheStrategy_Cache_NOERROR && err == nil {
newError(s.name, " cache HIT ", domain, " -> ", ips).Base(err).AtDebug().WriteToLog()
log.Record(&log.DNSLog{s.name, domain, ips, log.DNSCacheHit, 0, err})
return ips, err
}
}
}
// ipv4 and ipv6 belong to different subscription groups
@ -399,7 +411,7 @@ func (s *DoHNameServer) QueryIP(ctx context.Context, domain string, option dns_f
}
close(done)
}()
s.sendQuery(ctx, fqdn, option)
s.sendQuery(ctx, fqdn, clientIP, option)
start := time.Now()
for {

60
app/dns/nameserver_doh_test.go Normal file
View file

@ -0,0 +1,60 @@
package dns_test
import (
"context"
"net/url"
"testing"
"time"
"github.com/google/go-cmp/cmp"
. "github.com/xtls/xray-core/app/dns"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/net"
dns_feature "github.com/xtls/xray-core/features/dns"
)
func TestDOHNameServer(t *testing.T) {
url, err := url.Parse("https+local://1.1.1.1/dns-query")
common.Must(err)
s := NewDoHLocalNameServer(url)
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
IPv4Enable: true,
IPv6Enable: true,
}, CacheStrategy_Cache_ALL)
cancel()
common.Must(err)
if len(ips) == 0 {
t.Error("expect some ips, but got 0")
}
}
func TestDOHNameServerWithCache(t *testing.T) {
url, err := url.Parse("https+local://1.1.1.1/dns-query")
common.Must(err)
s := NewDoHLocalNameServer(url)
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
IPv4Enable: true,
IPv6Enable: true,
}, CacheStrategy_Cache_ALL)
cancel()
common.Must(err)
if len(ips) == 0 {
t.Error("expect some ips, but got 0")
}
ctx2, cancel := context.WithTimeout(context.Background(), time.Second*2)
ips2, err := s.QueryIP(ctx2, "google.com", net.IP(nil), dns_feature.IPOption{
IPv4Enable: true,
IPv6Enable: true,
}, CacheStrategy_Cache_ALL)
cancel()
common.Must(err)
if r := cmp.Diff(ips2, ips); r != "" {
t.Fatal(r)
}
}

12
app/dns/nameserver_fakedns.go
View file

@ -16,11 +16,13 @@ func NewFakeDNSServer() *FakeDNSServer {
return &FakeDNSServer{}
}
const FakeDNSName = "FakeDNS"
func (FakeDNSServer) Name() string {
return "FakeDNS"
return FakeDNSName
}
func (f *FakeDNSServer) QueryIP(ctx context.Context, domain string, _ dns.IPOption) ([]net.IP, error) {
func (f *FakeDNSServer) QueryIP(ctx context.Context, domain string, _ net.IP, _ dns.IPOption, _ CacheStrategy) ([]net.IP, error) {
if f.fakeDNSEngine == nil {
if err := core.RequireFeatures(ctx, func(fd dns.FakeDNSEngine) {
f.fakeDNSEngine = fd
@ -30,9 +32,9 @@ func (f *FakeDNSServer) QueryIP(ctx context.Context, domain string, _ dns.IPOpti
}
ips := f.fakeDNSEngine.GetFakeIPForDomain(domain)
netIP := toNetIP(ips)
if netIP == nil {
return nil, newError("Unable to convert IP to net ip").AtError()
netIP, err := toNetIP(ips)
if err != nil {
return nil, newError("Unable to convert IP to net ip").Base(err).AtError()
}
newError(f.Name(), " got answer: ", domain, " -> ", ips).AtInfo().WriteToLog()

53
app/dns/nameserver_local.go Normal file
View file

@ -0,0 +1,53 @@
package dns
import (
"context"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/features/dns"
"github.com/xtls/xray-core/features/dns/localdns"
)
// LocalNameServer is an wrapper over local DNS feature.
type LocalNameServer struct {
client *localdns.Client
}
// QueryIP implements Server.
func (s *LocalNameServer) QueryIP(_ context.Context, domain string, _ net.IP, option dns.IPOption, _ CacheStrategy) ([]net.IP, error) {
var ips []net.IP
var err error
switch {
case option.IPv4Enable && option.IPv6Enable:
ips, err = s.client.LookupIP(domain)
case option.IPv4Enable:
ips, err = s.client.LookupIPv4(domain)
case option.IPv6Enable:
ips, err = s.client.LookupIPv6(domain)
}
if len(ips) > 0 {
newError("Localhost got answer: ", domain, " -> ", ips).AtInfo().WriteToLog()
}
return ips, err
}
// Name implements Server.
func (s *LocalNameServer) Name() string {
return "localhost"
}
// NewLocalNameServer creates localdns server object for directly lookup in system DNS.
func NewLocalNameServer() *LocalNameServer {
newError("DNS: created localhost client").AtInfo().WriteToLog()
return &LocalNameServer{
client: localdns.New(),
}
}
// NewLocalDNSClient creates localdns client object for directly lookup in system DNS.
func NewLocalDNSClient() *Client {
return &Client{server: NewLocalNameServer()}
}

10
app/dns/nameserver_test.go → app/dns/nameserver_local_test.go
View file

@ -7,17 +7,17 @@ import (
. "github.com/xtls/xray-core/app/dns"
"github.com/xtls/xray-core/common"
dns_feature "github.com/xtls/xray-core/features/dns"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/features/dns"
)
func TestLocalNameServer(t *testing.T) {
s := NewLocalNameServer()
ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
ips, err := s.QueryIP(ctx, "google.com", dns_feature.IPOption{
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
ips, err := s.QueryIP(ctx, "google.com", net.IP{}, dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
}, CacheStrategy_Cache_ALL)
cancel()
common.Must(err)
if len(ips) == 0 {

394
app/dns/nameserver_quic.go Normal file
View file

@ -0,0 +1,394 @@
package dns
import (
"context"
"net/url"
"sync"
"sync/atomic"
"time"
"github.com/lucas-clemente/quic-go"
"golang.org/x/net/dns/dnsmessage"
"golang.org/x/net/http2"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/log"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/protocol/dns"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/common/signal/pubsub"
"github.com/xtls/xray-core/common/task"
dns_feature "github.com/xtls/xray-core/features/dns"
"github.com/xtls/xray-core/transport/internet/tls"
)
// NextProtoDQ - During connection establishment, DNS/QUIC support is indicated
// by selecting the ALPN token "dq" in the crypto handshake.
const NextProtoDQ = "doq-i00"
// QUICNameServer implemented DNS over QUIC
type QUICNameServer struct {
sync.RWMutex
ips map[string]record
pub *pubsub.Service
cleanup *task.Periodic
reqID uint32
name string
destination net.Destination
session quic.Session
}
// NewQUICNameServer creates DNS-over-QUIC client object for local resolving
func NewQUICNameServer(url *url.URL) (*QUICNameServer, error) {
newError("DNS: created Local DNS-over-QUIC client for ", url.String()).AtInfo().WriteToLog()
var err error
port := net.Port(784)
if url.Port() != "" {
port, err = net.PortFromString(url.Port())
if err != nil {
return nil, err
}
}
dest := net.UDPDestination(net.DomainAddress(url.Hostname()), port)
s := &QUICNameServer{
ips: make(map[string]record),
pub: pubsub.NewService(),
name: url.String(),
destination: dest,
}
s.cleanup = &task.Periodic{
Interval: time.Minute,
Execute: s.Cleanup,
}
return s, nil
}
// Name returns client name
func (s *QUICNameServer) Name() string {
return s.name
}
// Cleanup clears expired items from cache
func (s *QUICNameServer) Cleanup() error {
now := time.Now()
s.Lock()
defer s.Unlock()
if len(s.ips) == 0 {
return newError("nothing to do. stopping...")
}
for domain, record := range s.ips {
if record.A != nil && record.A.Expire.Before(now) {
record.A = nil
}
if record.AAAA != nil && record.AAAA.Expire.Before(now) {
record.AAAA = nil
}
if record.A == nil && record.AAAA == nil {
newError(s.name, " cleanup ", domain).AtDebug().WriteToLog()
delete(s.ips, domain)
} else {
s.ips[domain] = record
}
}
if len(s.ips) == 0 {
s.ips = make(map[string]record)
}
return nil
}
func (s *QUICNameServer) updateIP(req *dnsRequest, ipRec *IPRecord) {
elapsed := time.Since(req.start)
s.Lock()
rec := s.ips[req.domain]
updated := false
switch req.reqType {
case dnsmessage.TypeA:
if isNewer(rec.A, ipRec) {
rec.A = ipRec
updated = true
}
case dnsmessage.TypeAAAA:
addr := make([]net.Address, 0)
for _, ip := range ipRec.IP {
if len(ip.IP()) == net.IPv6len {
addr = append(addr, ip)
}
}
ipRec.IP = addr
if isNewer(rec.AAAA, ipRec) {
rec.AAAA = ipRec
updated = true
}
}
newError(s.name, " got answer: ", req.domain, " ", req.reqType, " -> ", ipRec.IP, " ", elapsed).AtInfo().WriteToLog()
if updated {
s.ips[req.domain] = rec
}
switch req.reqType {
case dnsmessage.TypeA:
s.pub.Publish(req.domain+"4", nil)
case dnsmessage.TypeAAAA:
s.pub.Publish(req.domain+"6", nil)
}
s.Unlock()
common.Must(s.cleanup.Start())
}
func (s *QUICNameServer) newReqID() uint16 {
return uint16(atomic.AddUint32(&s.reqID, 1))
}
func (s *QUICNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {
newError(s.name, " querying: ", domain).AtInfo().WriteToLog(session.ExportIDToError(ctx))
reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP))
var deadline time.Time
if d, ok := ctx.Deadline(); ok {
deadline = d
} else {
deadline = time.Now().Add(time.Second * 5)
}
for _, req := range reqs {
go func(r *dnsRequest) {
// generate new context for each req, using same context
// may cause reqs all aborted if any one encounter an error
dnsCtx := context.Background()
// reserve internal dns server requested Inbound
if inbound := session.InboundFromContext(ctx); inbound != nil {
dnsCtx = session.ContextWithInbound(dnsCtx, inbound)
}
dnsCtx = session.ContextWithContent(dnsCtx, &session.Content{
Protocol: "quic",
SkipDNSResolve: true,
})
dnsCtx = log.ContextWithAccessMessage(dnsCtx, &log.AccessMessage{
From: "DoQ",
To: s.name,
Status: log.AccessAccepted,
Reason: "",
})
var cancel context.CancelFunc
dnsCtx, cancel = context.WithDeadline(dnsCtx, deadline)
defer cancel()
b, err := dns.PackMessage(r.msg)
if err != nil {
newError("failed to pack dns query").Base(err).AtError().WriteToLog()
return
}
conn, err := s.openStream(dnsCtx)
if err != nil {
newError("failed to open quic session").Base(err).AtError().WriteToLog()
return
}
_, err = conn.Write(b.Bytes())
if err != nil {
newError("failed to send query").Base(err).AtError().WriteToLog()
return
}
_ = conn.Close()
respBuf := buf.New()
defer respBuf.Release()
n, err := respBuf.ReadFrom(conn)
if err != nil && n == 0 {
newError("failed to read response").Base(err).AtError().WriteToLog()
return
}
rec, err := parseResponse(respBuf.Bytes())
if err != nil {
newError("failed to handle response").Base(err).AtError().WriteToLog()
return
}
s.updateIP(r, rec)
}(req)
}
}
func (s *QUICNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, error) {
s.RLock()
record, found := s.ips[domain]
s.RUnlock()
if !found {
return nil, errRecordNotFound
}
var ips []net.Address
var lastErr error
if option.IPv6Enable && record.AAAA != nil && record.AAAA.RCode == dnsmessage.RCodeSuccess {
aaaa, err := record.AAAA.getIPs()
if err != nil {
lastErr = err
}
ips = append(ips, aaaa...)
}
if option.IPv4Enable && record.A != nil && record.A.RCode == dnsmessage.RCodeSuccess {
a, err := record.A.getIPs()
if err != nil {
lastErr = err
}
ips = append(ips, a...)
}
if len(ips) > 0 {
return toNetIP(ips)
}
if lastErr != nil {
return nil, lastErr
}
if (option.IPv4Enable && record.A != nil) || (option.IPv6Enable && record.AAAA != nil) {
return nil, dns_feature.ErrEmptyResponse
}
return nil, errRecordNotFound
}
// QueryIP is called from dns.Server->queryIPTimeout
func (s *QUICNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, cs CacheStrategy) ([]net.IP, error) {
fqdn := Fqdn(domain)
if cs == CacheStrategy_Cache_DISABLE {
newError("DNS cache is disabled. Querying IP for ", domain, " at ", s.name).AtDebug().WriteToLog()
} else {
ips, err := s.findIPsForDomain(fqdn, option)
if err != errRecordNotFound {
if cs == CacheStrategy_Cache_NOERROR && err == nil {
newError(s.name, " cache HIT ", domain, " -> ", ips).Base(err).AtDebug().WriteToLog()
log.Record(&log.DNSLog{s.name, domain, ips, log.DNSCacheHit, 0, err})
return ips, err
}
}
}
// ipv4 and ipv6 belong to different subscription groups
var sub4, sub6 *pubsub.Subscriber
if option.IPv4Enable {
sub4 = s.pub.Subscribe(fqdn + "4")
defer sub4.Close()
}
if option.IPv6Enable {
sub6 = s.pub.Subscribe(fqdn + "6")
defer sub6.Close()
}
done := make(chan interface{})
go func() {
if sub4 != nil {
select {
case <-sub4.Wait():
case <-ctx.Done():
}
}
if sub6 != nil {
select {
case <-sub6.Wait():
case <-ctx.Done():
}
}
close(done)
}()
s.sendQuery(ctx, fqdn, clientIP, option)
start := time.Now()
for {
ips, err := s.findIPsForDomain(fqdn, option)
if err != errRecordNotFound {
log.Record(&log.DNSLog{s.name, domain, ips, log.DNSQueried, time.Since(start), err})
return ips, err
}
select {
case <-ctx.Done():
return nil, ctx.Err()
case <-done:
}
}
}
func isActive(s quic.Session) bool {
select {
case <-s.Context().Done():
return false
default:
return true
}
}
func (s *QUICNameServer) getSession() (quic.Session, error) {
var session quic.Session
s.RLock()
session = s.session
if session != nil && isActive(session) {
s.RUnlock()
return session, nil
}
if session != nil {
// we're recreating the session, let's create a new one
_ = session.CloseWithError(0, "")
}
s.RUnlock()
s.Lock()
defer s.Unlock()
var err error
session, err = s.openSession()
if err != nil {
// This does not look too nice, but QUIC (or maybe quic-go)
// doesn't seem stable enough.
// Maybe retransmissions aren't fully implemented in quic-go?
// Anyways, the simple solution is to make a second try when
// it fails to open the QUIC session.
session, err = s.openSession()
if err != nil {
return nil, err
}
}
s.session = session
return session, nil
}
func (s *QUICNameServer) openSession() (quic.Session, error) {
tlsConfig := tls.Config{}
quicConfig := &quic.Config{}
session, err := quic.DialAddrContext(context.Background(), s.destination.NetAddr(), tlsConfig.GetTLSConfig(tls.WithNextProto("http/1.1", http2.NextProtoTLS, NextProtoDQ)), quicConfig)
if err != nil {
return nil, err
}
return session, nil
}
func (s *QUICNameServer) openStream(ctx context.Context) (quic.Stream, error) {
session, err := s.getSession()
if err != nil {
return nil, err
}
// open a new stream
return session.OpenStreamSync(ctx)
}

60
app/dns/nameserver_quic_test.go Normal file
View file

@ -0,0 +1,60 @@
package dns_test
import (
"context"
"net/url"
"testing"
"time"
"github.com/google/go-cmp/cmp"
. "github.com/xtls/xray-core/app/dns"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/net"
dns_feature "github.com/xtls/xray-core/features/dns"
)
func TestQUICNameServer(t *testing.T) {
url, err := url.Parse("quic://dns.adguard.com")
common.Must(err)
s, err := NewQUICNameServer(url)
common.Must(err)
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
IPv4Enable: true,
IPv6Enable: true,
}, CacheStrategy_Cache_ALL)
cancel()
common.Must(err)
if len(ips) == 0 {
t.Error("expect some ips, but got 0")
}
}
func TestQUICNameServerWithCache(t *testing.T) {
url, err := url.Parse("quic://dns.adguard.com")
common.Must(err)
s, err := NewQUICNameServer(url)
common.Must(err)
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
IPv4Enable: true,
IPv6Enable: true,
}, CacheStrategy_Cache_ALL)
cancel()
common.Must(err)
if len(ips) == 0 {
t.Error("expect some ips, but got 0")
}
ctx2, cancel := context.WithTimeout(context.Background(), time.Second*5)
ips2, err := s.QueryIP(ctx2, "google.com", net.IP(nil), dns_feature.IPOption{
IPv4Enable: true,
IPv6Enable: true,
}, CacheStrategy_Cache_ALL)
cancel()
common.Must(err)
if r := cmp.Diff(ips2, ips); r != "" {
t.Fatal(r)
}
}

36
app/dns/udpns.go → app/dns/nameserver_udp.go
View file

@ -2,7 +2,6 @@ package dns
import (
"context"
"github.com/xtls/xray-core/transport/internet"
"strings"
"sync"
"sync/atomic"
@ -32,10 +31,10 @@ type ClassicNameServer struct {
udpServer *udp.Dispatcher
cleanup *task.Periodic
reqID uint32
clientIP net.IP
}
func NewClassicNameServer(address net.Destination, dispatcher routing.Dispatcher, clientIP net.IP) *ClassicNameServer {
// NewClassicNameServer creates udp server object for remote resolving.
func NewClassicNameServer(address net.Destination, dispatcher routing.Dispatcher) *ClassicNameServer {
// default to 53 if unspecific
if address.Port == 0 {
address.Port = net.Port(53)
@ -45,7 +44,6 @@ func NewClassicNameServer(address net.Destination, dispatcher routing.Dispatcher
address: address,
ips: make(map[string]record),
requests: make(map[uint16]dnsRequest),
clientIP: clientIP,
pub: pubsub.NewService(),
name: strings.ToUpper(address.String()),
}
@ -58,10 +56,12 @@ func NewClassicNameServer(address net.Destination, dispatcher routing.Dispatcher
return s
}
// Name implements Server.
func (s *ClassicNameServer) Name() string {
return s.name
}
// Cleanup clears expired items from cache
func (s *ClassicNameServer) Cleanup() error {
now := time.Now()
s.Lock()
@ -103,6 +103,7 @@ func (s *ClassicNameServer) Cleanup() error {
return nil
}
// HandleResponse handles udp response packet from remote DNS server.
func (s *ClassicNameServer) HandleResponse(ctx context.Context, packet *udp_proto.Packet) {
ipRec, err := parseResponse(packet.Payload.Bytes())
if err != nil {
@ -180,10 +181,10 @@ func (s *ClassicNameServer) addPendingRequest(req *dnsRequest) {
s.requests[id] = *req
}
func (s *ClassicNameServer) sendQuery(ctx context.Context, domain string, option dns_feature.IPOption) {
func (s *ClassicNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {
newError(s.name, " querying DNS for: ", domain).AtDebug().WriteToLog(session.ExportIDToError(ctx))
reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(s.clientIP))
reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP))
for _, req := range reqs {
s.addPendingRequest(req)
@ -192,7 +193,6 @@ 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",
})
@ -234,7 +234,7 @@ func (s *ClassicNameServer) findIPsForDomain(domain string, option dns_feature.I
}
if len(ips) > 0 {
return toNetIP(ips), nil
return toNetIP(ips)
}
if lastErr != nil {
@ -245,14 +245,20 @@ func (s *ClassicNameServer) findIPsForDomain(domain string, option dns_feature.I
}
// QueryIP implements Server.
func (s *ClassicNameServer) QueryIP(ctx context.Context, domain string, option dns_feature.IPOption) ([]net.IP, error) {
func (s *ClassicNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, cs CacheStrategy) ([]net.IP, error) {
fqdn := Fqdn(domain)
ips, err := s.findIPsForDomain(fqdn, option)
if err != errRecordNotFound {
newError(s.name, " cache HIT ", domain, " -> ", ips).Base(err).AtDebug().WriteToLog()
log.Record(&log.DNSLog{s.name, domain, ips, log.DNSCacheHit, 0, err})
return ips, err
if cs == CacheStrategy_Cache_DISABLE {
newError("DNS cache is disabled. Querying IP for ", domain, " at ", s.name).AtDebug().WriteToLog()
} else {
ips, err := s.findIPsForDomain(fqdn, option)
if err != errRecordNotFound {
if cs == CacheStrategy_Cache_NOERROR && err == nil {
newError(s.name, " cache HIT ", domain, " -> ", ips).Base(err).AtDebug().WriteToLog()
log.Record(&log.DNSLog{s.name, domain, ips, log.DNSCacheHit, 0, err})
return ips, err
}
}
}
// ipv4 and ipv6 belong to different subscription groups
@ -281,7 +287,7 @@ func (s *ClassicNameServer) QueryIP(ctx context.Context, domain string, option d
}
close(done)
}()
s.sendQuery(ctx, fqdn, option)
s.sendQuery(ctx, fqdn, clientIP, option)
start := time.Now()
for {

16
app/dns/options.go Normal file
View file

@ -0,0 +1,16 @@
package dns
import "github.com/xtls/xray-core/features/dns"
func isIPQuery(o *dns.IPOption) bool {
return o.IPv4Enable || o.IPv6Enable
}
func canQueryOnClient(o *dns.IPOption, c *Client) bool {
isIPClient := !(c.Name() == FakeDNSName)
return isIPClient && isIPQuery(o)
}
func isQuery(o *dns.IPOption) bool {
return !(o.IPv4Enable || o.IPv6Enable || o.FakeEnable)
}

439
app/dns/server.go
View file

@ -1,439 +0,0 @@
package dns
//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
import (
"context"
"fmt"
"log"
"net/url"
"strings"
"sync"
"time"
"github.com/xtls/xray-core/app/router"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/common/strmatcher"
"github.com/xtls/xray-core/common/uuid"
core "github.com/xtls/xray-core/core"
"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.
type Server struct {
sync.Mutex
hosts *StaticHosts
clientIP net.IP
clients []Client // clientIdx -> Client
ctx context.Context
ipIndexMap []*MultiGeoIPMatcher // clientIdx -> *MultiGeoIPMatcher
domainRules [][]string // clientIdx -> domainRuleIdx -> DomainRule
domainMatcher strmatcher.IndexMatcher
matcherInfos []DomainMatcherInfo // matcherIdx -> DomainMatcherInfo
tag string
}
// DomainMatcherInfo contains information attached to index returned by Server.domainMatcher
type DomainMatcherInfo struct {
clientIdx uint16
domainRuleIdx uint16
}
// MultiGeoIPMatcher for match
type MultiGeoIPMatcher struct {
matchers []*router.GeoIPMatcher
}
var errExpectedIPNonMatch = errors.New("expectIPs not match")
// Match check ip match
func (c *MultiGeoIPMatcher) Match(ip net.IP) bool {
for _, matcher := range c.matchers {
if matcher.Match(ip) {
return true
}
}
return false
}
// HasMatcher check has matcher
func (c *MultiGeoIPMatcher) HasMatcher() bool {
return len(c.matchers) > 0
}
func generateRandomTag() string {
id := uuid.New()
return "xray.system." + id.String()
}
// New creates a new DNS server with given configuration.
func New(ctx context.Context, config *Config) (*Server, error) {
server := &Server{
clients: make([]Client, 0, len(config.NameServers)+len(config.NameServer)),
ctx: ctx,
tag: config.Tag,
}
if server.tag == "" {
server.tag = generateRandomTag()
}
if len(config.ClientIp) > 0 {
if len(config.ClientIp) != net.IPv4len && len(config.ClientIp) != net.IPv6len {
return nil, newError("unexpected IP length", len(config.ClientIp))
}
server.clientIP = net.IP(config.ClientIp)
}
hosts, err := NewStaticHosts(config.StaticHosts, config.Hosts)
if err != nil {
return nil, newError("failed to create hosts").Base(err)
}
server.hosts = hosts
addNameServer := func(ns *NameServer) int {
endpoint := ns.Address
address := endpoint.Address.AsAddress()
switch {
case address.Family().IsDomain() && address.Domain() == "localhost":
server.clients = append(server.clients, NewLocalNameServer())
// Priotize local domains with specific TLDs or without any dot to local DNS
// References:
// https://www.iana.org/assignments/special-use-domain-names/special-use-domain-names.xhtml
// https://unix.stackexchange.com/questions/92441/whats-the-difference-between-local-home-and-lan
localTLDsAndDotlessDomains := []*NameServer_PriorityDomain{
{Type: DomainMatchingType_Regex, Domain: "^[^.]+$"}, // This will only match domains without any dot
{Type: DomainMatchingType_Subdomain, Domain: "local"},
{Type: DomainMatchingType_Subdomain, Domain: "localdomain"},
{Type: DomainMatchingType_Subdomain, Domain: "localhost"},
{Type: DomainMatchingType_Subdomain, Domain: "lan"},
{Type: DomainMatchingType_Subdomain, Domain: "home.arpa"},
{Type: DomainMatchingType_Subdomain, Domain: "example"},
{Type: DomainMatchingType_Subdomain, Domain: "invalid"},
{Type: DomainMatchingType_Subdomain, Domain: "test"},
}
ns.PrioritizedDomain = append(ns.PrioritizedDomain, localTLDsAndDotlessDomains...)
case address.Family().IsDomain() && strings.HasPrefix(address.Domain(), "https+local://"):
// URI schemed string treated as domain
// DOH Local mode
u, err := url.Parse(address.Domain())
if err != nil {
log.Fatalln(newError("DNS config error").Base(err))
}
server.clients = append(server.clients, NewDoHLocalNameServer(u, server.clientIP))
case address.Family().IsDomain() && strings.HasPrefix(address.Domain(), "https://"):
// DOH Remote mode
u, err := url.Parse(address.Domain())
if err != nil {
log.Fatalln(newError("DNS config error").Base(err))
}
idx := len(server.clients)
server.clients = append(server.clients, nil)
// need the core dispatcher, register DOHClient at callback
common.Must(core.RequireFeatures(ctx, func(d routing.Dispatcher) {
c, err := NewDoHNameServer(u, d, server.clientIP)
if err != nil {
log.Fatalln(newError("DNS config error").Base(err))
}
server.clients[idx] = c
}))
case address.Family().IsDomain() && address.Domain() == "fakedns":
server.clients = append(server.clients, NewFakeDNSServer())
default:
// UDP classic DNS mode
dest := endpoint.AsDestination()
if dest.Network == net.Network_Unknown {
dest.Network = net.Network_UDP
}
if dest.Network == net.Network_UDP {
idx := len(server.clients)
server.clients = append(server.clients, nil)
common.Must(core.RequireFeatures(ctx, func(d routing.Dispatcher) {
server.clients[idx] = NewClassicNameServer(dest, d, server.clientIP)
}))
}
}
server.ipIndexMap = append(server.ipIndexMap, nil)
return len(server.clients) - 1
}
if len(config.NameServers) > 0 {
features.PrintDeprecatedFeatureWarning("simple DNS server")
for _, destPB := range config.NameServers {
addNameServer(&NameServer{Address: destPB})
}
}
if len(config.NameServer) > 0 {
clientIndices := []int{}
domainRuleCount := 0
for _, ns := range config.NameServer {
idx := addNameServer(ns)
clientIndices = append(clientIndices, idx)
domainRuleCount += len(ns.PrioritizedDomain)
}
domainRules := make([][]string, len(server.clients))
domainMatcher := &strmatcher.MatcherGroup{}
matcherInfos := make([]DomainMatcherInfo, domainRuleCount+1) // matcher index starts from 1
var geoIPMatcherContainer router.GeoIPMatcherContainer
for nidx, ns := range config.NameServer {
idx := clientIndices[nidx]
// Establish domain rule matcher
rules := []string{}
ruleCurr := 0
ruleIter := 0
for _, domain := range ns.PrioritizedDomain {
matcher, err := toStrMatcher(domain.Type, domain.Domain)
if err != nil {
return nil, newError("failed to create prioritized domain").Base(err).AtWarning()
}
midx := domainMatcher.Add(matcher)
if midx >= uint32(len(matcherInfos)) { // This rarely happens according to current matcher's implementation
newError("expanding domain matcher info array to size ", midx, " when adding ", matcher).AtDebug().WriteToLog()
matcherInfos = append(matcherInfos, make([]DomainMatcherInfo, midx-uint32(len(matcherInfos))+1)...)
}
info := &matcherInfos[midx]
info.clientIdx = uint16(idx)
if ruleCurr < len(ns.OriginalRules) {
info.domainRuleIdx = uint16(ruleCurr)
rule := ns.OriginalRules[ruleCurr]
if ruleCurr >= len(rules) {
rules = append(rules, rule.Rule)
}
ruleIter++
if ruleIter >= int(rule.Size) {
ruleIter = 0
ruleCurr++
}
} else { // No original rule, generate one according to current domain matcher (majorly for compatibility with tests)
info.domainRuleIdx = uint16(len(rules))
rules = append(rules, matcher.String())
}
}
domainRules[idx] = rules
// only add to ipIndexMap if GeoIP is configured
if len(ns.Geoip) > 0 {
var matchers []*router.GeoIPMatcher
for _, geoip := range ns.Geoip {
matcher, err := geoIPMatcherContainer.Add(geoip)
if err != nil {
return nil, newError("failed to create ip matcher").Base(err).AtWarning()
}
matchers = append(matchers, matcher)
}
matcher := &MultiGeoIPMatcher{matchers: matchers}
server.ipIndexMap[idx] = matcher
}
}
server.domainRules = domainRules
server.domainMatcher = domainMatcher
server.matcherInfos = matcherInfos
}
if len(server.clients) == 0 {
server.clients = append(server.clients, NewLocalNameServer())
server.ipIndexMap = append(server.ipIndexMap, nil)
}
return server, nil
}
// Type implements common.HasType.
func (*Server) Type() interface{} {
return dns.ClientType()
}
// Start implements common.Runnable.
func (s *Server) Start() error {
return nil
}
// Close implements common.Closable.
func (s *Server) Close() error {
return nil
}
func (s *Server) IsOwnLink(ctx context.Context) bool {
inbound := session.InboundFromContext(ctx)
return inbound != nil && inbound.Tag == s.tag
}
// Match check dns ip match geoip
func (s *Server) Match(idx int, client Client, domain string, ips []net.IP) ([]net.IP, error) {
var matcher *MultiGeoIPMatcher
if idx < len(s.ipIndexMap) {
matcher = s.ipIndexMap[idx]
}
if matcher == nil {
return ips, nil
}
if !matcher.HasMatcher() {
newError("domain ", domain, " server has no valid matcher: ", client.Name(), " idx:", idx).AtDebug().WriteToLog()
return ips, nil
}
newIps := []net.IP{}
for _, ip := range ips {
if matcher.Match(ip) {
newIps = append(newIps, ip)
}
}
if len(newIps) == 0 {
return nil, errExpectedIPNonMatch
}
newError("domain ", domain, " expectIPs ", newIps, " matched at server ", client.Name(), " idx:", idx).AtDebug().WriteToLog()
return newIps, nil
}
func (s *Server) queryIPTimeout(idx int, client Client, domain string, option dns.IPOption) ([]net.IP, error) {
ctx, cancel := context.WithTimeout(s.ctx, time.Second*4)
if len(s.tag) > 0 {
ctx = session.ContextWithInbound(ctx, &session.Inbound{
Tag: s.tag,
})
}
ctx = internet.ContextWithLookupDomain(ctx, domain)
ips, err := client.QueryIP(ctx, domain, option)
cancel()
if err != nil {
return ips, err
}
ips, err = s.Match(idx, client, domain, ips)
return ips, err
}
func (s *Server) lookupStatic(domain string, option dns.IPOption, depth int32) []net.Address {
ips := s.hosts.LookupIP(domain, option)
if ips == nil {
return nil
}
if ips[0].Family().IsDomain() && depth < 5 {
if newIPs := s.lookupStatic(ips[0].Domain(), option, depth+1); newIPs != nil {
return newIPs
}
}
return ips
}
func toNetIP(ips []net.Address) []net.IP {
if len(ips) == 0 {
return nil
}
netips := make([]net.IP, 0, len(ips))
for _, ip := range ips {
netips = append(netips, ip.IP())
}
return netips
}
// LookupIP implements dns.Client.
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, ".") {
domain = domain[:len(domain)-1]
}
ips := s.lookupStatic(domain, option, 0)
if ips != nil && ips[0].Family().IsIP() {
newError("returning ", len(ips), " IPs for domain ", domain).WriteToLog()
return toNetIP(ips), nil
}
if ips != nil && ips[0].Family().IsDomain() {
newdomain := ips[0].Domain()
newError("domain replaced: ", domain, " -> ", newdomain).WriteToLog()
domain = newdomain
}
var lastErr error
var matchedClient Client
if s.domainMatcher != nil {
indices := s.domainMatcher.Match(domain)
domainRules := []string{}
matchingDNS := []string{}
for _, idx := range indices {
info := s.matcherInfos[idx]
rule := s.domainRules[info.clientIdx][info.domainRuleIdx]
domainRules = append(domainRules, fmt.Sprintf("%s(DNS idx:%d)", rule, info.clientIdx))
matchingDNS = append(matchingDNS, s.clients[info.clientIdx].Name())
}
if len(domainRules) > 0 {
newError("domain ", domain, " matches following rules: ", domainRules).AtDebug().WriteToLog()
}
if len(matchingDNS) > 0 {
newError("domain ", domain, " uses following DNS first: ", matchingDNS).AtDebug().WriteToLog()
}
for _, idx := range indices {
clientIdx := int(s.matcherInfos[idx].clientIdx)
matchedClient = s.clients[clientIdx]
if !option.FakeEnable && strings.EqualFold(matchedClient.Name(), "FakeDNS") {
newError("skip DNS resolution for domain ", domain, " at server ", matchedClient.Name()).AtDebug().WriteToLog()
continue
}
ips, err := s.queryIPTimeout(clientIdx, matchedClient, domain, option)
if len(ips) > 0 {
return ips, nil
}
if err == dns.ErrEmptyResponse {
return nil, err
}
if err != nil {
newError("failed to lookup ip for domain ", domain, " at server ", matchedClient.Name()).Base(err).WriteToLog()
lastErr = err
}
}
}
for idx, client := range s.clients {
if client == matchedClient {
newError("domain ", domain, " at server ", client.Name(), " idx:", idx, " already lookup failed, just ignore").AtDebug().WriteToLog()
continue
}
if !option.FakeEnable && strings.EqualFold(client.Name(), "FakeDNS") {
newError("skip DNS resolution for domain ", domain, " at server ", client.Name()).AtDebug().WriteToLog()
continue
}
ips, err := s.queryIPTimeout(idx, client, domain, option)
if len(ips) > 0 {
return ips, nil
}
if err != nil {
newError("failed to lookup ip for domain ", domain, " at server ", client.Name()).Base(err).WriteToLog()
lastErr = err
}
if err != context.Canceled && err != context.DeadlineExceeded && err != errExpectedIPNonMatch {
return nil, err
}
}
return nil, newError("returning nil for domain ", domain).Base(lastErr)
}
func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return New(ctx, config.(*Config))
}))
}

6
app/router/command/config.go
View file

@ -28,6 +28,12 @@ func (c routingContext) GetTargetPort() net.Port {
return net.Port(c.RoutingContext.GetTargetPort())
}
// GetSkipDNSResolve is a mock implementation here to match the interface,
// SkipDNSResolve is set from dns module, no use if coming from a protobuf object?
func (c routingContext) GetSkipDNSResolve() bool {
return false
}
// AsRoutingContext converts a protobuf RoutingContext into an implementation of routing.Context.
func AsRoutingContext(r *RoutingContext) routing.Context {
return routingContext{r}

10
app/router/router.go
View file

@ -80,7 +80,13 @@ func (r *Router) PickRoute(ctx routing.Context) (routing.Route, error) {
}
func (r *Router) pickRouteInternal(ctx routing.Context) (*Rule, routing.Context, error) {
if r.domainStrategy == Config_IpOnDemand {
// SkipDNSResolve is set from DNS module.
// the DOH remote server maybe a domain name,
// this prevents cycle resolving dead loop
skipDNSResolve := ctx.GetSkipDNSResolve()
if r.domainStrategy == Config_IpOnDemand && !skipDNSResolve {
ctx = routing_dns.ContextWithDNSClient(ctx, r.dns)
}
@ -90,7 +96,7 @@ func (r *Router) pickRouteInternal(ctx routing.Context) (*Rule, routing.Context,
}
}
if r.domainStrategy != Config_IpIfNonMatch || len(ctx.GetTargetDomain()) == 0 {
if r.domainStrategy != Config_IpIfNonMatch || len(ctx.GetTargetDomain()) == 0 || skipDNSResolve {
return nil, ctx, common.ErrNoClue
}

13
app/router/router_test.go
View file

@ -9,7 +9,6 @@ import (
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/features/dns"
"github.com/xtls/xray-core/features/outbound"
routing_session "github.com/xtls/xray-core/features/routing/session"
"github.com/xtls/xray-core/testing/mocks"
@ -116,11 +115,7 @@ func TestIPOnDemand(t *testing.T) {
defer mockCtl.Finish()
mockDNS := mocks.NewDNSClient(mockCtl)
mockDNS.EXPECT().LookupIP(gomock.Eq("example.com"), dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
}).Return([]net.IP{{192, 168, 0, 1}}, nil).AnyTimes()
mockDNS.EXPECT().LookupIP(gomock.Eq("example.com")).Return([]net.IP{{192, 168, 0, 1}}, nil).AnyTimes()
r := new(Router)
common.Must(r.Init(config, mockDNS, nil))
@ -155,11 +150,7 @@ func TestIPIfNonMatchDomain(t *testing.T) {
defer mockCtl.Finish()
mockDNS := mocks.NewDNSClient(mockCtl)
mockDNS.EXPECT().LookupIP(gomock.Eq("example.com"), dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
}).Return([]net.IP{{192, 168, 0, 1}}, nil).AnyTimes()
mockDNS.EXPECT().LookupIP(gomock.Eq("example.com")).Return([]net.IP{{192, 168, 0, 1}}, nil).AnyTimes()
r := new(Router)
common.Must(r.Init(config, mockDNS, nil))

2
common/buf/buffer.go
View file

@ -38,7 +38,7 @@ func NewExisted(b []byte) *Buffer {
oLen := len(b)
if oLen < Size {
b = append(b, make([]byte, Size-oLen)...)
b = b[:Size]
}
return &Buffer{

2
common/session/session.go
View file

@ -75,7 +75,7 @@ type Content struct {
Attributes map[string]string
SkipRoutePick bool
SkipDNSResolve bool
}
// Sockopt is the settings for socket connection.

17
core/config.go
View file

@ -80,14 +80,25 @@ func getFormat(filename string) string {
func LoadConfig(formatName string, input interface{}) (*Config, error) {
switch v := input.(type) {
case cmdarg.Arg:
formats := make([]string, len(v))
hasProtobuf := false
for i, file := range v {
f := getFormat(file)
if f == "" {
var f string
if formatName == "auto" {
if file != "stdin:" {
f = getFormat(file)
} else {
f = "json"
}
} else {
f = formatName
}
if f == "" {
return nil, newError("Failed to get format of ", file).AtWarning()
}
if f == "protobuf" {
hasProtobuf = true
}

2
core/core.go
View file

@ -18,7 +18,7 @@ import (
)
var (
version = "1.4.0"
version = "1.4.2"
build = "Custom"
codename = "Xray, Penetrates Everything."
intro = "A unified platform for anti-censorship."

57
features/dns/client.go
View file

@ -14,6 +14,12 @@ type IPOption struct {
FakeEnable bool
}
func (p *IPOption) Copy() *IPOption {
return &IPOption{p.IPv4Enable, p.IPv6Enable, p.FakeEnable}
}
type Option func(dopt *IPOption) *IPOption
// Client is a Xray feature for querying DNS information.
//
// xray:api:stable
@ -21,7 +27,24 @@ type Client interface {
features.Feature
// LookupIP returns IP address for the given domain. IPs may contain IPv4 and/or IPv6 addresses.
LookupIP(domain string, option IPOption) ([]net.IP, error)
LookupIP(domain string) ([]net.IP, error)
// LookupOptions query IP address for domain with *IPOption.
LookupOptions(domain string, opt ...Option) ([]net.IP, error)
}
// IPv4Lookup is an optional feature for querying IPv4 addresses only.
//
// xray:api:beta
type IPv4Lookup interface {
LookupIPv4(domain string) ([]net.IP, error)
}
// IPv6Lookup is an optional feature for querying IPv6 addresses only.
//
// xray:api:beta
type IPv6Lookup interface {
LookupIPv6(domain string) ([]net.IP, error)
}
// ClientType returns the type of Client interface. Can be used for implementing common.HasType.
@ -50,3 +73,35 @@ func RCodeFromError(err error) uint16 {
}
return 0
}
var (
LookupIPv4Only = func(d *IPOption) *IPOption {
d.IPv4Enable = true
d.IPv6Enable = false
return d
}
LookupIPv6Only = func(d *IPOption) *IPOption {
d.IPv4Enable = false
d.IPv6Enable = true
return d
}
LookupIP = func(d *IPOption) *IPOption {
d.IPv4Enable = true
d.IPv6Enable = true
return d
}
LookupFake = func(d *IPOption) *IPOption {
d.FakeEnable = true
return d
}
LookupNoFake = func(d *IPOption) *IPOption {
d.FakeEnable = false
return d
}
LookupAll = func(d *IPOption) *IPOption {
LookupIP(d)
LookupFake(d)
return d
}
)

57
features/dns/localdns/client.go
View file

@ -20,41 +20,64 @@ func (*Client) Start() error { return nil }
func (*Client) Close() error { return nil }
// LookupIP implements Client.
func (*Client) LookupIP(host string, option dns.IPOption) ([]net.IP, error) {
func (*Client) LookupIP(host string) ([]net.IP, error) {
ips, err := net.LookupIP(host)
if err != nil {
return nil, err
}
parsedIPs := make([]net.IP, 0, len(ips))
ipv4 := make([]net.IP, 0, len(ips))
ipv6 := make([]net.IP, 0, len(ips))
for _, ip := range ips {
parsed := net.IPAddress(ip)
if parsed != nil {
parsedIPs = append(parsedIPs, parsed.IP())
}
}
if len(parsedIPs) == 0 {
return nil, dns.ErrEmptyResponse
}
return parsedIPs, nil
}
// LookupOptions implements Client.
func (c *Client) LookupOptions(host string, _ ...dns.Option) ([]net.IP, error) {
return c.LookupIP(host)
}
// LookupIPv4 implements IPv4Lookup.
func (c *Client) LookupIPv4(host string) ([]net.IP, error) {
ips, err := c.LookupIP(host)
if err != nil {
return nil, err
}
ipv4 := make([]net.IP, 0, len(ips))
for _, ip := range ips {
if len(ip) == net.IPv4len {
ipv4 = append(ipv4, ip)
}
}
if len(ipv4) == 0 {
return nil, dns.ErrEmptyResponse
}
return ipv4, nil
}
// LookupIPv6 implements IPv6Lookup.
func (c *Client) LookupIPv6(host string) ([]net.IP, error) {
ips, err := c.LookupIP(host)
if err != nil {
return nil, err
}
ipv6 := make([]net.IP, 0, len(ips))
for _, ip := range ips {
if len(ip) == net.IPv6len {
ipv6 = append(ipv6, ip)
}
}
switch {
case option.IPv4Enable && option.IPv6Enable:
if len(parsedIPs) > 0 {
return parsedIPs, nil
}
case option.IPv4Enable:
if len(ipv4) > 0 {
return ipv4, nil
}
case option.IPv6Enable:
if len(ipv6) > 0 {
return ipv6, nil
}
if len(ipv6) == 0 {
return nil, dns.ErrEmptyResponse
}
return nil, dns.ErrEmptyResponse
return ipv6, nil
}
// New create a new dns.Client that queries localhost for DNS.

3
features/routing/context.go
View file

@ -37,4 +37,7 @@ type Context interface {
// GetAttributes returns extra attributes from the conneciont content.
GetAttributes() map[string]string
// GetSkipDNSResolve returns a flag switch for weather skip dns resolve during route pick.
GetSkipDNSResolve() bool
}

8
features/routing/dns/context.go
View file

@ -26,16 +26,12 @@ func (ctx *ResolvableContext) GetTargetIPs() []net.IP {
}
if domain := ctx.GetTargetDomain(); len(domain) != 0 {
ips, err := ctx.dnsClient.LookupIP(domain, dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
})
ips, err := ctx.dnsClient.LookupIP(domain)
if err == nil {
ctx.resolvedIPs = ips
return ips
}
newError("resolve ip for ", domain).Base(err).WriteToLog()
newError("failed to resolve ip for ", domain).Base(err).WriteToLog()
}
return nil

8
features/routing/session/context.go
View file

@ -109,6 +109,14 @@ func (ctx *Context) GetAttributes() map[string]string {
return ctx.Content.Attributes
}
// GetSkipDNSResolve implements routing.Context.
func (ctx *Context) GetSkipDNSResolve() bool {
if ctx.Content == nil {
return false
}
return ctx.Content.SkipDNSResolve
}
// AsRoutingContext creates a context from context.context with session info.
func AsRoutingContext(ctx context.Context) routing.Context {
return &Context{

17
go.mod
View file

@ -5,22 +5,23 @@ go 1.16
require (
github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32
github.com/golang/mock v1.5.0
github.com/golang/protobuf v1.4.3
github.com/golang/protobuf v1.5.2
github.com/google/go-cmp v0.5.5
github.com/gorilla/websocket v1.4.2
github.com/lucas-clemente/quic-go v0.19.3
github.com/miekg/dns v1.1.40
github.com/lucas-clemente/quic-go v0.20.0
github.com/miekg/dns v1.1.41
github.com/pelletier/go-toml v1.8.1
github.com/pires/go-proxyproto v0.5.0
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 v0.0.0-20210312235212-74c10e2c17dc
golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110
golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2
golang.org/x/net v0.0.0-20210330230544-e57232859fb2
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
golang.org/x/sys v0.0.0-20210313202042-bd2e13477e9c
google.golang.org/grpc v1.36.0
google.golang.org/protobuf v1.25.0
golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44
google.golang.org/grpc v1.36.1
google.golang.org/protobuf v1.26.0
h12.io/socks v1.0.2
)

61
go.sum
View file

@ -43,12 +43,9 @@ github.com/gliderlabs/ssh v0.1.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aev
github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm6/TyX73Q=
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/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20191027212112-611e8accdfc9/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
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 v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
github.com/golang/mock v1.5.0 h1:jlYHihg//f7RRwuPfptm04yp4s7O6Kw8EZiVYIGcH0g=
github.com/golang/mock v1.5.0/go.mod h1:CWnOUgYIOo4TcNZ0wHX3YZCqsaM1I1Jvs6v3mP3KVu8=
@ -62,8 +59,9 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
@ -98,19 +96,19 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/pty v1.1.3/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/lucas-clemente/quic-go v0.19.3 h1:eCDQqvGBB+kCTkA0XrAFtNe81FMa0/fn4QSoeAbmiF4=
github.com/lucas-clemente/quic-go v0.19.3/go.mod h1:ADXpNbTQjq1hIzCpB+y/k5iz4n4z4IwqoLb94Kh5Hu8=
github.com/lucas-clemente/quic-go v0.20.0 h1:FSU3YN5VnLafHR27Ejs1r1CYMS7XMyIVDzRewkDLNBw=
github.com/lucas-clemente/quic-go v0.20.0/go.mod h1:fZq/HUDIM+mW6X6wtzORjC0E/WDBMKe5Hf9bgjISwLk=
github.com/lunixbochs/vtclean v1.0.0/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm/+2c2E2WMI=
github.com/mailru/easyjson v0.0.0-20190312143242-1de009706dbe/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
github.com/marten-seemann/qpack v0.2.1/go.mod h1:F7Gl5L1jIgN1D11ucXefiuJS9UMVP2opoCp2jDKb7wc=
github.com/marten-seemann/qtls v0.10.0 h1:ECsuYUKalRL240rRD4Ri33ISb7kAQ3qGDlrrl55b2pc=
github.com/marten-seemann/qtls v0.10.0/go.mod h1:UvMd1oaYDACI99/oZUYLzMCkBXQVT0aGm99sJhbT8hs=
github.com/marten-seemann/qtls-go1-15 v0.1.1 h1:LIH6K34bPVttyXnUWixk0bzH6/N07VxbSabxn5A5gZQ=
github.com/marten-seemann/qtls-go1-15 v0.1.1/go.mod h1:GyFwywLKkRt+6mfU99csTEY1joMZz5vmB1WNZH3P81I=
github.com/marten-seemann/qtls-go1-15 v0.1.4 h1:RehYMOyRW8hPVEja1KBVsFVNSm35Jj9Mvs5yNoZZ28A=
github.com/marten-seemann/qtls-go1-15 v0.1.4/go.mod h1:GyFwywLKkRt+6mfU99csTEY1joMZz5vmB1WNZH3P81I=
github.com/marten-seemann/qtls-go1-16 v0.1.3 h1:XEZ1xGorVy9u+lJq+WXNE+hiqRYLNvJGYmwfwKQN2gU=
github.com/marten-seemann/qtls-go1-16 v0.1.3/go.mod h1:gNpI2Ol+lRS3WwSOtIUUtRwZEQMXjYK+dQSBFbethAk=
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
github.com/microcosm-cc/bluemonday v1.0.1/go.mod h1:hsXNsILzKxV+sX77C5b8FSuKF00vh2OMYv+xgHpAMF4=
github.com/miekg/dns v1.1.40 h1:pyyPFfGMnciYUk/mXpKkVmeMQjfXqt3FAJ2hy7tPiLA=
github.com/miekg/dns v1.1.40/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
github.com/miekg/dns v1.1.41 h1:WMszZWJG0XmzbK9FEmzH2TVcqYzFesusSIB41b8KHxY=
github.com/miekg/dns v1.1.41/go.mod h1:p6aan82bvRIyn+zDIv9xYNUpwa73JcSh9BKwknJysuI=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
github.com/neelance/astrewrite v0.0.0-20160511093645-99348263ae86/go.mod h1:kHJEU3ofeGjhHklVoIGuVj85JJwZ6kWPaJwCIxgnFmo=
@ -139,6 +137,8 @@ github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
github.com/prometheus/procfs v0.0.0-20180725123919-05ee40e3a273/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
github.com/refraction-networking/utls v0.0.0-20201210053706-2179f286686b h1:lzo71oHzQEz0fKMSjR0BpVzuh2hOHvJTxnN3Rnikmtg=
github.com/refraction-networking/utls v0.0.0-20201210053706-2179f286686b/go.mod h1:tz9gX959MEFfFN5whTIocCLUG57WiILqtdVxI8c6Wj0=
github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
github.com/seiflotfy/cuckoofilter v0.0.0-20201222105146-bc6005554a0c h1:pqy40B3MQWYrza7YZXOXgl0Nf0QGFqrOC0BKae1UNAA=
github.com/seiflotfy/cuckoofilter v0.0.0-20201222105146-bc6005554a0c/go.mod h1:bR6DqgcAl1zTcOX8/pE2Qkj9XO00eCNqmKb7lXP8EAg=
@ -169,7 +169,6 @@ github.com/sourcegraph/annotate v0.0.0-20160123013949-f4cad6c6324d/go.mod h1:Udh
github.com/sourcegraph/syntaxhighlight v0.0.0-20170531221838-bd320f5d308e/go.mod h1:HuIsMU8RRBOtsCgI77wP899iHVBQpCmg4ErYMZB+2IA=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
@ -180,7 +179,6 @@ github.com/viant/toolbox v0.24.0/go.mod h1:OxMCG57V0PXuIP2HNQrtJf2CjqdmbrOx5EkMI
github.com/xtls/go v0.0.0-20201118062508-3632bf3b7499 h1:QHESTXtfgc1ABV+ArlbPVqUx9Ht5I0dDkYhxYoXFxNo=
github.com/xtls/go v0.0.0-20201118062508-3632bf3b7499/go.mod h1:5TB2+k58gx4A4g2Nf5miSHNDF6CuAzHKpWBooLAshTs=
go.opencensus.io v0.18.0/go.mod h1:vKdFvxhtzZ9onBp9VKHK8z/sRpBMnKAsufL7wlDrCOA=
go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.starlark.net v0.0.0-20210312235212-74c10e2c17dc h1:pVkptfeOTFfx+zXZo7HEHN3d5LmhatBFvHdm/f2QnpY=
go.starlark.net v0.0.0-20210312235212-74c10e2c17dc/go.mod h1:t3mmBBPzAVvK0L0n1drDmrQsJ8FoIx4INCqVMTr/Zo0=
go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
@ -191,14 +189,13 @@ golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a/go.mod h1:djNgcEr1/C05ACk
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83 h1:/ZScEX8SfEmUGRHs0gxpqteO5nfNW6axyZbBdw9A12g=
golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2 h1:It14KIkyBFYkHkwZ7k45minvA9aorojkyjGk9KJ5B/w=
golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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=
@ -211,11 +208,11 @@ golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn
golang.org/x/net v0.0.0-20190313220215-9f648a60d977/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190923162816-aa69164e4478/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 v0.0.0-20210226172049-e18ecbb05110 h1:qWPm9rbaAMKs8Bq/9LRpbMqxWRVUAQwMI9fVrssnTfw=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210330230544-e57232859fb2 h1:nGCZOty+lVDsc4H2qPFksI5Se296+V+GhMiL/TzmYNk=
golang.org/x/net v0.0.0-20210330230544-e57232859fb2/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
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=
@ -235,22 +232,19 @@ golang.org/x/sys v0.0.0-20181029174526-d69651ed3497/go.mod h1:STP8DvDyc/dI5b8T5h
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190316082340-a2f829d7f35f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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=
golang.org/x/sys v0.0.0-20210313202042-bd2e13477e9c h1:coiPEfMv+ThsjULRDygLrJVlNE1gDdL2g65s0LhV2os=
golang.org/x/sys v0.0.0-20210313202042-bd2e13477e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
golang.org/x/sys v0.0.0-20201231184435-2d18734c6014/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210303074136-134d130e1a04/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44 h1:Bli41pIlzTzf3KEY06n+xnzK/BESIg2ze4Pgfh/aI8c=
golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
@ -267,7 +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=
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
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=
@ -285,7 +278,6 @@ google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoA
google.golang.org/genproto v0.0.0-20181029155118-b69ba1387ce2/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
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 v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
@ -293,12 +285,11 @@ google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmE
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=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
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 v1.36.0 h1:o1bcQ6imQMIOpdrO3SWf2z5RV72WbDwdXuK0MDlc8As=
google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
google.golang.org/grpc v1.36.1 h1:cmUfbeGKnz9+2DD/UYsMQXeqbHZqZDs4eQwW0sFOpBY=
google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
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=
@ -307,8 +298,10 @@ google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzi
google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
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=
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=
@ -331,7 +324,5 @@ honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWh
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=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
sourcegraph.com/sourcegraph/go-diff v0.5.0/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck=
sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=

116
infra/conf/dns.go
View file

@ -11,10 +11,12 @@ import (
)
type NameServerConfig struct {
Address *Address
Port uint16
Domains []string
ExpectIPs StringList
Address *Address
ClientIP *Address
Port uint16
SkipFallback bool
Domains []string
ExpectIPs StringList
}
func (c *NameServerConfig) UnmarshalJSON(data []byte) error {
@ -25,14 +27,18 @@ func (c *NameServerConfig) UnmarshalJSON(data []byte) error {
}
var advanced struct {
Address *Address `json:"address"`
Port uint16 `json:"port"`
Domains []string `json:"domains"`
ExpectIPs StringList `json:"expectIps"`
Address *Address `json:"address"`
ClientIP *Address `json:"clientIp"`
Port uint16 `json:"port"`
SkipFallback bool `json:"skipFallback"`
Domains []string `json:"domains"`
ExpectIPs StringList `json:"expectIps"`
}
if err := json.Unmarshal(data, &advanced); err == nil {
c.Address = advanced.Address
c.ClientIP = advanced.ClientIP
c.Port = advanced.Port
c.SkipFallback = advanced.SkipFallback
c.Domains = advanced.Domains
c.ExpectIPs = advanced.ExpectIPs
return nil
@ -87,12 +93,21 @@ func (c *NameServerConfig) Build() (*dns.NameServer, error) {
return nil, newError("invalid IP rule: ", c.ExpectIPs).Base(err)
}
var myClientIP []byte
if c.ClientIP != nil {
if !c.ClientIP.Family().IsIP() {
return nil, newError("not an IP address:", c.ClientIP.String())
}
myClientIP = []byte(c.ClientIP.IP())
}
return &dns.NameServer{
Address: &net.Endpoint{
Network: net.Network_UDP,
Address: c.Address.Build(),
Port: uint32(c.Port),
},
ClientIp: myClientIP,
SkipFallback: c.SkipFallback,
PrioritizedDomain: domains,
Geoip: geoipList,
OriginalRules: originalRules,
@ -108,28 +123,72 @@ var typeMap = map[router.Domain_Type]dns.DomainMatchingType{
// DNSConfig is a JSON serializable object for dns.Config.
type DNSConfig struct {
Servers []*NameServerConfig `json:"servers"`
Hosts map[string]*Address `json:"hosts"`
ClientIP *Address `json:"clientIp"`
Tag string `json:"tag"`
Servers []*NameServerConfig `json:"servers"`
Hosts map[string]*HostAddress `json:"hosts"`
ClientIP *Address `json:"clientIp"`
Tag string `json:"tag"`
QueryStrategy string `json:"queryStrategy"`
CacheStrategy string `json:"cacheStrategy"`
DisableCache bool `json:"disableCache"`
DisableFallback bool `json:"disableFallback"`
}
func getHostMapping(addr *Address) *dns.Config_HostMapping {
if addr.Family().IsIP() {
return &dns.Config_HostMapping{
Ip: [][]byte{[]byte(addr.IP())},
type HostAddress struct {
addr *Address
addrs []*Address
}
// UnmarshalJSON implements encoding/json.Unmarshaler.UnmarshalJSON
func (h *HostAddress) UnmarshalJSON(data []byte) error {
addr := new(Address)
var addrs []*Address
switch {
case json.Unmarshal(data, &addr) == nil:
h.addr = addr
case json.Unmarshal(data, &addrs) == nil:
h.addrs = addrs
default:
return newError("invalid address")
}
return nil
}
func getHostMapping(ha *HostAddress) *dns.Config_HostMapping {
if ha.addr != nil {
if ha.addr.Family().IsDomain() {
return &dns.Config_HostMapping{
ProxiedDomain: ha.addr.Domain(),
}
}
} else {
return &dns.Config_HostMapping{
ProxiedDomain: addr.Domain(),
Ip: [][]byte{ha.addr.IP()},
}
}
ips := make([][]byte, 0, len(ha.addrs))
for _, addr := range ha.addrs {
if addr.Family().IsDomain() {
return &dns.Config_HostMapping{
ProxiedDomain: addr.Domain(),
}
}
ips = append(ips, []byte(addr.IP()))
}
return &dns.Config_HostMapping{
Ip: ips,
}
}
// Build implements Buildable
func (c *DNSConfig) Build() (*dns.Config, error) {
config := &dns.Config{
Tag: c.Tag,
Tag: c.Tag,
CacheStrategy: dns.CacheStrategy_Cache_ALL,
DisableFallback: c.DisableFallback,
}
if c.DisableCache {
config.CacheStrategy = dns.CacheStrategy_Cache_DISABLE
}
if c.ClientIP != nil {
@ -139,6 +198,25 @@ func (c *DNSConfig) Build() (*dns.Config, error) {
config.ClientIp = []byte(c.ClientIP.IP())
}
config.QueryStrategy = dns.QueryStrategy_USE_IP
switch strings.ToLower(c.QueryStrategy) {
case "useip", "use_ip", "use-ip":
config.QueryStrategy = dns.QueryStrategy_USE_IP
case "useip4", "useipv4", "use_ip4", "use_ipv4", "use_ip_v4", "use-ip4", "use-ipv4", "use-ip-v4":
config.QueryStrategy = dns.QueryStrategy_USE_IP4
case "useip6", "useipv6", "use_ip6", "use_ipv6", "use_ip_v6", "use-ip6", "use-ipv6", "use-ip-v6":
config.QueryStrategy = dns.QueryStrategy_USE_IP6
}
switch strings.ToLower(c.CacheStrategy) {
case "noerror":
config.CacheStrategy = dns.CacheStrategy_Cache_NOERROR
case "all":
config.CacheStrategy = dns.CacheStrategy_Cache_ALL
case "disable", "none":
config.CacheStrategy = dns.CacheStrategy_Cache_DISABLE
}
for _, server := range c.Servers {
ns, err := server.Build()
if err != nil {

28
infra/conf/dns_test.go
View file

@ -67,17 +67,23 @@ func TestDNSConfigParsing(t *testing.T) {
Input: `{
"servers": [{
"address": "8.8.8.8",
"clientIp": "10.0.0.1",
"port": 5353,
"skipFallback": true,
"domains": ["domain:example.com"]
}],
"hosts": {
"example.com": "127.0.0.1",
"xtls.github.io": ["1.2.3.4", "5.6.7.8"],
"domain:example.com": "google.com",
"geosite:test": "10.0.0.1",
"keyword:google": "8.8.8.8",
"geosite:test": ["127.0.0.1", "127.0.0.2"],
"keyword:google": ["8.8.8.8", "8.8.4.4"],
"regexp:.*\\.com": "8.8.4.4"
},
"clientIp": "10.0.0.1"
"clientIp": "10.0.0.1",
"queryStrategy": "UseIPv4",
"cacheStrategy": "disable",
"disableFallback": true
}`,
Parser: parserCreator(),
Output: &dns.Config{
@ -92,6 +98,8 @@ func TestDNSConfigParsing(t *testing.T) {
Network: net.Network_UDP,
Port: 5353,
},
ClientIp: []byte{10, 0, 0, 1},
SkipFallback: true,
PrioritizedDomain: []*dns.NameServer_PriorityDomain{
{
Type: dns.DomainMatchingType_Subdomain,
@ -120,20 +128,28 @@ func TestDNSConfigParsing(t *testing.T) {
{
Type: dns.DomainMatchingType_Full,
Domain: "example.com",
Ip: [][]byte{{10, 0, 0, 1}},
Ip: [][]byte{{127, 0, 0, 1}, {127, 0, 0, 2}},
},
{
Type: dns.DomainMatchingType_Keyword,
Domain: "google",
Ip: [][]byte{{8, 8, 8, 8}},
Ip: [][]byte{{8, 8, 8, 8}, {8, 8, 4, 4}},
},
{
Type: dns.DomainMatchingType_Regex,
Domain: ".*\\.com",
Ip: [][]byte{{8, 8, 4, 4}},
},
{
Type: dns.DomainMatchingType_Full,
Domain: "xtls.github.io",
Ip: [][]byte{{1, 2, 3, 4}, {5, 6, 7, 8}},
},
},
ClientIp: []byte{10, 0, 0, 1},
ClientIp: []byte{10, 0, 0, 1},
QueryStrategy: dns.QueryStrategy_USE_IP4,
CacheStrategy: dns.CacheStrategy_Cache_DISABLE,
DisableFallback: true,
},
},
})

6
infra/conf/freedom.go
View file

@ -22,11 +22,11 @@ func (c *FreedomConfig) Build() (proto.Message, error) {
config := new(freedom.Config)
config.DomainStrategy = freedom.Config_AS_IS
switch strings.ToLower(c.DomainStrategy) {
case "useip", "use_ip":
case "useip", "use_ip", "use-ip":
config.DomainStrategy = freedom.Config_USE_IP
case "useip4", "useipv4", "use_ipv4", "use_ip_v4", "use_ip4":
case "useip4", "useipv4", "use_ip4", "use_ipv4", "use_ip_v4", "use-ip4", "use-ipv4", "use-ip-v4":
config.DomainStrategy = freedom.Config_USE_IP4
case "useip6", "useipv6", "use_ipv6", "use_ip_v6", "use_ip6":
case "useip6", "useipv6", "use_ip6", "use_ipv6", "use_ip_v6", "use-ip6", "use-ipv6", "use-ip-v6":
config.DomainStrategy = freedom.Config_USE_IP6
}

11
infra/conf/transport_internet.go
View file

@ -321,6 +321,7 @@ type TLSConfig struct {
MaxVersion string `json:"maxVersion"`
CipherSuites string `json:"cipherSuites"`
PreferServerCipherSuites bool `json:"preferServerCipherSuites"`
Fingerprint string `json:"fingerprint"`
}
// Build implements Buildable.
@ -348,6 +349,7 @@ func (c *TLSConfig) Build() (proto.Message, error) {
config.MaxVersion = c.MaxVersion
config.CipherSuites = c.CipherSuites
config.PreferServerCipherSuites = c.PreferServerCipherSuites
config.Fingerprint = strings.ToLower(c.Fingerprint)
return config, nil
}
@ -476,22 +478,19 @@ type SocketConfig struct {
// Build implements Buildable.
func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
tfo := int32(-1)
tfo := int32(0) // don't invoke setsockopt() for TFO
if c.TFO != nil {
switch v := c.TFO.(type) {
case bool:
if v {
tfo = 256
} else {
tfo = 0
tfo = -1 // TFO need to be disabled
}
case float64:
if v < 0 {
return nil, newError("tcpFastOpen: only boolean and non-negative integer value is acceptable")
}
tfo = int32(math.Min(v, math.MaxInt32))
default:
return nil, newError("tcpFastOpen: only boolean and non-negative integer value is acceptable")
return nil, newError("tcpFastOpen: only boolean and integer value is acceptable")
}
}
var tproxy internet.SocketConfig_TProxyMode

115
infra/conf/transport_test.go
View file

@ -31,6 +31,13 @@ func TestSocketConfig(t *testing.T) {
}
}
// test "tcpFastOpen": true, queue length 256 is expected. other parameters are tested here too
expectedOutput := &internet.SocketConfig{
Mark: 1,
Tfo: 256,
DomainStrategy: internet.DomainStrategy_USE_IP,
DialerProxy: "tag",
}
runMultiTestCase(t, []TestCase{
{
Input: `{
@ -40,38 +47,118 @@ func TestSocketConfig(t *testing.T) {
"dialerProxy": "tag"
}`,
Parser: createParser(),
Output: &internet.SocketConfig{
Mark: 1,
Tfo: 256,
DomainStrategy: internet.DomainStrategy_USE_IP,
DialerProxy: "tag",
},
Output: expectedOutput,
},
})
if expectedOutput.ParseTFOValue() != 256 {
t.Fatalf("unexpected parsed TFO value, which should be 256")
}
// test "tcpFastOpen": false, disabled TFO is expected
expectedOutput = &internet.SocketConfig{
Mark: 0,
Tfo: -1,
}
runMultiTestCase(t, []TestCase{
{
Input: `{
"tcpFastOpen": false
}`,
Parser: createParser(),
Output: &internet.SocketConfig{
Mark: 0,
Tfo: 0,
},
Output: expectedOutput,
},
})
if expectedOutput.ParseTFOValue() != 0 {
t.Fatalf("unexpected parsed TFO value, which should be 0")
}
// test "tcpFastOpen": 65535, queue length 65535 is expected
expectedOutput = &internet.SocketConfig{
Mark: 0,
Tfo: 65535,
}
runMultiTestCase(t, []TestCase{
{
Input: `{
"tcpFastOpen": 65535
}`,
Parser: createParser(),
Output: &internet.SocketConfig{
Mark: 0,
Tfo: 65535,
},
Output: expectedOutput,
},
})
if expectedOutput.ParseTFOValue() != 65535 {
t.Fatalf("unexpected parsed TFO value, which should be 65535")
}
// test "tcpFastOpen": -65535, disable TFO is expected
expectedOutput = &internet.SocketConfig{
Mark: 0,
Tfo: -65535,
}
runMultiTestCase(t, []TestCase{
{
Input: `{
"tcpFastOpen": -65535
}`,
Parser: createParser(),
Output: expectedOutput,
},
})
if expectedOutput.ParseTFOValue() != 0 {
t.Fatalf("unexpected parsed TFO value, which should be 0")
}
// test "tcpFastOpen": 0, no operation is expected
expectedOutput = &internet.SocketConfig{
Mark: 0,
Tfo: 0,
}
runMultiTestCase(t, []TestCase{
{
Input: `{
"tcpFastOpen": 0
}`,
Parser: createParser(),
Output: expectedOutput,
},
})
if expectedOutput.ParseTFOValue() != -1 {
t.Fatalf("unexpected parsed TFO value, which should be -1")
}
// test omit "tcpFastOpen", no operation is expected
expectedOutput = &internet.SocketConfig{
Mark: 0,
Tfo: 0,
}
runMultiTestCase(t, []TestCase{
{
Input: `{}`,
Parser: createParser(),
Output: expectedOutput,
},
})
if expectedOutput.ParseTFOValue() != -1 {
t.Fatalf("unexpected parsed TFO value, which should be -1")
}
// test "tcpFastOpen": null, no operation is expected
expectedOutput = &internet.SocketConfig{
Mark: 0,
Tfo: 0,
}
runMultiTestCase(t, []TestCase{
{
Input: `{
"tcpFastOpen": null
}`,
Parser: createParser(),
Output: expectedOutput,
},
})
if expectedOutput.ParseTFOValue() != -1 {
t.Fatalf("unexpected parsed TFO value, which should be -1")
}
}
func TestTransportConfig(t *testing.T) {

3
main/commands/all/tls/cert.go
View file

@ -26,6 +26,9 @@ Arguments:
-domain=domain_name
The domain name for the certificate.
-name=common_name
The common name for the certificate.
-org=organization
The organization name for the certificate.

22
main/run.go
View file

@ -11,6 +11,7 @@ import (
"regexp"
"runtime"
"runtime/debug"
"strings"
"syscall"
"github.com/xtls/xray-core/common/cmdarg"
@ -31,7 +32,7 @@ Xray. Multiple assign is accepted.
The -confdir=dir flag sets a dir with multiple json config
The -format=json flag sets the format of config files.
Default "json".
Default "auto".
The -test flag tells Xray to test config files only,
without launching the server
@ -46,7 +47,7 @@ var (
configFiles cmdarg.Arg // "Config file for Xray.", the option is customed type, parse in main
configDir string
test = cmdRun.Flag.Bool("test", false, "Test config file only, without launching Xray server.")
format = cmdRun.Flag.String("format", "json", "Format of input file.")
format = cmdRun.Flag.String("format", "auto", "Format of input file.")
/* We have to do this here because Golang's Test will also need to parse flag, before
* main func in this file is run.
@ -111,13 +112,26 @@ func dirExists(file string) bool {
return err == nil && info.IsDir()
}
func getRegepxByFormat() string {
switch strings.ToLower(*format) {
case "json":
return `^.+\.json$`
case "toml":
return `^.+\.toml$`
case "yaml", "yml":
return `^.+\.(yaml|yml)$`
default:
return `^.+\.(json|toml|yaml|yml)$`
}
}
func readConfDir(dirPath string) {
confs, err := ioutil.ReadDir(dirPath)
if err != nil {
log.Fatalln(err)
}
for _, f := range confs {
matched, err := regexp.MatchString(`^.+\.(json|toml|yaml|yml)$`, f.Name())
matched, err := regexp.MatchString(getRegepxByFormat(), f.Name())
if err != nil {
log.Fatalln(err)
}
@ -160,7 +174,7 @@ func getConfigFilePath() cmdarg.Arg {
func getConfigFormat() string {
f := core.GetFormatByExtension(*format)
if f == "" {
f = "json"
f = "auto"
}
return f
}

16
proxy/dns/dns.go
View file

@ -43,6 +43,7 @@ type Handler struct {
func (h *Handler) Init(config *Config, dnsClient dns.Client) error {
h.client = dnsClient
if v, ok := dnsClient.(ownLinkVerifier); ok {
h.ownLinkVerifier = v
}
@ -198,22 +199,16 @@ func (h *Handler) handleIPQuery(id uint16, qType dnsmessage.Type, domain string,
var err error
var ttl uint32 = 600
var opt dns.Option
switch qType {
case dnsmessage.TypeA:
ips, err = h.client.LookupIP(domain, dns.IPOption{
IPv4Enable: true,
IPv6Enable: false,
FakeEnable: true,
})
opt = dns.LookupIPv4Only
case dnsmessage.TypeAAAA:
ips, err = h.client.LookupIP(domain, dns.IPOption{
IPv4Enable: false,
IPv6Enable: true,
FakeEnable: true,
})
opt = dns.LookupIPv6Only
}
ips, err = h.client.LookupOptions(domain, opt, dns.LookupFake)
rcode := dns.RCodeFromError(err)
if rcode == 0 && len(ips) == 0 && err != dns.ErrEmptyResponse {
newError("ip query").Base(err).WriteToLog()
@ -228,7 +223,6 @@ func (h *Handler) handleIPQuery(id uint16, qType dnsmessage.Type, domain string,
RecursionAvailable: true,
RecursionDesired: true,
Response: true,
Authoritative: true,
})
builder.EnableCompression()
common.Must(builder.StartQuestions())

20
proxy/freedom/freedom.go
View file

@ -59,26 +59,14 @@ func (h *Handler) policy() policy.Session {
}
func (h *Handler) resolveIP(ctx context.Context, domain string, localAddr net.Address) net.Address {
var option dns.IPOption = dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
}
var opt dns.Option
if h.config.DomainStrategy == Config_USE_IP4 || (localAddr != nil && localAddr.Family().IsIPv4()) {
option = dns.IPOption{
IPv4Enable: true,
IPv6Enable: false,
FakeEnable: false,
}
opt = dns.LookupIPv4Only
} else if h.config.DomainStrategy == Config_USE_IP6 || (localAddr != nil && localAddr.Family().IsIPv6()) {
option = dns.IPOption{
IPv4Enable: false,
IPv6Enable: true,
FakeEnable: false,
}
opt = dns.LookupIPv6Only
}
ips, err := h.dns.LookupIP(domain, option)
ips, err := h.dns.LookupOptions(domain, opt, dns.LookupNoFake)
if err != nil {
newError("failed to get IP address for domain ", domain).Base(err).WriteToLog(session.ExportIDToError(ctx))
}

57
testing/mocks/dns.go
View file

@ -5,36 +5,37 @@
package mocks
import (
gomock "github.com/golang/mock/gomock"
dns "github.com/xtls/xray-core/features/dns"
net "net"
reflect "reflect"
gomock "github.com/golang/mock/gomock"
dns "github.com/xtls/xray-core/features/dns"
)
// DNSClient is a mock of Client interface
// DNSClient is a mock of Client interface.
type DNSClient struct {
ctrl *gomock.Controller
recorder *DNSClientMockRecorder
}
// DNSClientMockRecorder is the mock recorder for DNSClient
// DNSClientMockRecorder is the mock recorder for DNSClient.
type DNSClientMockRecorder struct {
mock *DNSClient
}
// NewDNSClient creates a new mock instance
// NewDNSClient creates a new mock instance.
func NewDNSClient(ctrl *gomock.Controller) *DNSClient {
mock := &DNSClient{ctrl: ctrl}
mock.recorder = &DNSClientMockRecorder{mock}
return mock
}
// EXPECT returns an object that allows the caller to indicate expected use
// EXPECT returns an object that allows the caller to indicate expected use.
func (m *DNSClient) EXPECT() *DNSClientMockRecorder {
return m.recorder
}
// Close mocks base method
// Close mocks base method.
func (m *DNSClient) Close() error {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Close")
@ -42,28 +43,48 @@ func (m *DNSClient) Close() error {
return ret0
}
// Close indicates an expected call of Close
// Close indicates an expected call of Close.
func (mr *DNSClientMockRecorder) Close() *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Close", reflect.TypeOf((*DNSClient)(nil).Close))
}
// LookupIP mocks base method
func (m *DNSClient) LookupIP(arg0 string, arg1 dns.IPOption) ([]net.IP, error) {
// LookupIP mocks base method.
func (m *DNSClient) LookupIP(arg0 string) ([]net.IP, error) {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "LookupIP", arg0, arg1)
ret := m.ctrl.Call(m, "LookupIP", arg0)
ret0, _ := ret[0].([]net.IP)
ret1, _ := ret[1].(error)
return ret0, ret1
}
// LookupIP indicates an expected call of LookupIP
func (mr *DNSClientMockRecorder) LookupIP(arg0, arg1 interface{}) *gomock.Call {
// LookupIP indicates an expected call of LookupIP.
func (mr *DNSClientMockRecorder) LookupIP(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LookupIP", reflect.TypeOf((*DNSClient)(nil).LookupIP), arg0, arg1)
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LookupIP", reflect.TypeOf((*DNSClient)(nil).LookupIP), arg0)
}
// Start mocks base method
// LookupOptions mocks base method.
func (m *DNSClient) LookupOptions(arg0 string, arg1 ...dns.Option) ([]net.IP, error) {
m.ctrl.T.Helper()
varargs := []interface{}{arg0}
for _, a := range arg1 {
varargs = append(varargs, a)
}
ret := m.ctrl.Call(m, "LookupOptions", varargs...)
ret0, _ := ret[0].([]net.IP)
ret1, _ := ret[1].(error)
return ret0, ret1
}
// LookupOptions indicates an expected call of LookupOptions.
func (mr *DNSClientMockRecorder) LookupOptions(arg0 interface{}, arg1 ...interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
varargs := append([]interface{}{arg0}, arg1...)
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LookupOptions", reflect.TypeOf((*DNSClient)(nil).LookupOptions), varargs...)
}
// Start mocks base method.
func (m *DNSClient) Start() error {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Start")
@ -71,13 +92,13 @@ func (m *DNSClient) Start() error {
return ret0
}
// Start indicates an expected call of Start
// Start indicates an expected call of Start.
func (mr *DNSClientMockRecorder) Start() *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Start", reflect.TypeOf((*DNSClient)(nil).Start))
}
// Type mocks base method
// Type mocks base method.
func (m *DNSClient) Type() interface{} {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Type")
@ -85,7 +106,7 @@ func (m *DNSClient) Type() interface{} {
return ret0
}
// Type indicates an expected call of Type
// Type indicates an expected call of Type.
func (mr *DNSClientMockRecorder) Type() *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Type", reflect.TypeOf((*DNSClient)(nil).Type))

27
testing/mocks/io.go
View file

@ -5,34 +5,35 @@
package mocks
import (
gomock "github.com/golang/mock/gomock"
reflect "reflect"
gomock "github.com/golang/mock/gomock"
)
// Reader is a mock of Reader interface
// Reader is a mock of Reader interface.
type Reader struct {
ctrl *gomock.Controller
recorder *ReaderMockRecorder
}
// ReaderMockRecorder is the mock recorder for Reader
// ReaderMockRecorder is the mock recorder for Reader.
type ReaderMockRecorder struct {
mock *Reader
}
// NewReader creates a new mock instance
// NewReader creates a new mock instance.
func NewReader(ctrl *gomock.Controller) *Reader {
mock := &Reader{ctrl: ctrl}
mock.recorder = &ReaderMockRecorder{mock}
return mock
}
// EXPECT returns an object that allows the caller to indicate expected use
// EXPECT returns an object that allows the caller to indicate expected use.
func (m *Reader) EXPECT() *ReaderMockRecorder {
return m.recorder
}
// Read mocks base method
// Read mocks base method.
func (m *Reader) Read(arg0 []byte) (int, error) {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Read", arg0)
@ -41,36 +42,36 @@ func (m *Reader) Read(arg0 []byte) (int, error) {
return ret0, ret1
}
// Read indicates an expected call of Read
// Read indicates an expected call of Read.
func (mr *ReaderMockRecorder) Read(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Read", reflect.TypeOf((*Reader)(nil).Read), arg0)
}
// Writer is a mock of Writer interface
// Writer is a mock of Writer interface.
type Writer struct {
ctrl *gomock.Controller
recorder *WriterMockRecorder
}
// WriterMockRecorder is the mock recorder for Writer
// WriterMockRecorder is the mock recorder for Writer.
type WriterMockRecorder struct {
mock *Writer
}
// NewWriter creates a new mock instance
// NewWriter creates a new mock instance.
func NewWriter(ctrl *gomock.Controller) *Writer {
mock := &Writer{ctrl: ctrl}
mock.recorder = &WriterMockRecorder{mock}
return mock
}
// EXPECT returns an object that allows the caller to indicate expected use
// EXPECT returns an object that allows the caller to indicate expected use.
func (m *Writer) EXPECT() *WriterMockRecorder {
return m.recorder
}
// Write mocks base method
// Write mocks base method.
func (m *Writer) Write(arg0 []byte) (int, error) {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Write", arg0)
@ -79,7 +80,7 @@ func (m *Writer) Write(arg0 []byte) (int, error) {
return ret0, ret1
}
// Write indicates an expected call of Write
// Write indicates an expected call of Write.
func (mr *WriterMockRecorder) Write(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Write", reflect.TypeOf((*Writer)(nil).Write), arg0)

15
testing/mocks/log.go
View file

@ -5,41 +5,42 @@
package mocks
import (
reflect "reflect"
gomock "github.com/golang/mock/gomock"
log "github.com/xtls/xray-core/common/log"
reflect "reflect"
)
// LogHandler is a mock of Handler interface
// LogHandler is a mock of Handler interface.
type LogHandler struct {
ctrl *gomock.Controller
recorder *LogHandlerMockRecorder
}
// LogHandlerMockRecorder is the mock recorder for LogHandler
// LogHandlerMockRecorder is the mock recorder for LogHandler.
type LogHandlerMockRecorder struct {
mock *LogHandler
}
// NewLogHandler creates a new mock instance
// NewLogHandler creates a new mock instance.
func NewLogHandler(ctrl *gomock.Controller) *LogHandler {
mock := &LogHandler{ctrl: ctrl}
mock.recorder = &LogHandlerMockRecorder{mock}
return mock
}
// EXPECT returns an object that allows the caller to indicate expected use
// EXPECT returns an object that allows the caller to indicate expected use.
func (m *LogHandler) EXPECT() *LogHandlerMockRecorder {
return m.recorder
}
// Handle mocks base method
// Handle mocks base method.
func (m *LogHandler) Handle(arg0 log.Message) {
m.ctrl.T.Helper()
m.ctrl.Call(m, "Handle", arg0)
}
// Handle indicates an expected call of Handle
// Handle indicates an expected call of Handle.
func (mr *LogHandlerMockRecorder) Handle(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Handle", reflect.TypeOf((*LogHandler)(nil).Handle), arg0)

15
testing/mocks/mux.go
View file

@ -5,35 +5,36 @@
package mocks
import (
reflect "reflect"
gomock "github.com/golang/mock/gomock"
mux "github.com/xtls/xray-core/common/mux"
reflect "reflect"
)
// MuxClientWorkerFactory is a mock of ClientWorkerFactory interface
// MuxClientWorkerFactory is a mock of ClientWorkerFactory interface.
type MuxClientWorkerFactory struct {
ctrl *gomock.Controller
recorder *MuxClientWorkerFactoryMockRecorder
}
// MuxClientWorkerFactoryMockRecorder is the mock recorder for MuxClientWorkerFactory
// MuxClientWorkerFactoryMockRecorder is the mock recorder for MuxClientWorkerFactory.
type MuxClientWorkerFactoryMockRecorder struct {
mock *MuxClientWorkerFactory
}
// NewMuxClientWorkerFactory creates a new mock instance
// NewMuxClientWorkerFactory creates a new mock instance.
func NewMuxClientWorkerFactory(ctrl *gomock.Controller) *MuxClientWorkerFactory {
mock := &MuxClientWorkerFactory{ctrl: ctrl}
mock.recorder = &MuxClientWorkerFactoryMockRecorder{mock}
return mock
}
// EXPECT returns an object that allows the caller to indicate expected use
// EXPECT returns an object that allows the caller to indicate expected use.
func (m *MuxClientWorkerFactory) EXPECT() *MuxClientWorkerFactoryMockRecorder {
return m.recorder
}
// Create mocks base method
// Create mocks base method.
func (m *MuxClientWorkerFactory) Create() (*mux.ClientWorker, error) {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Create")
@ -42,7 +43,7 @@ func (m *MuxClientWorkerFactory) Create() (*mux.ClientWorker, error) {
return ret0, ret1
}
// Create indicates an expected call of Create
// Create indicates an expected call of Create.
func (mr *MuxClientWorkerFactoryMockRecorder) Create() *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Create", reflect.TypeOf((*MuxClientWorkerFactory)(nil).Create))

51
testing/mocks/outbound.go
View file

@ -6,35 +6,36 @@ package mocks
import (
context "context"
reflect "reflect"
gomock "github.com/golang/mock/gomock"
outbound "github.com/xtls/xray-core/features/outbound"
reflect "reflect"
)
// OutboundManager is a mock of Manager interface
// OutboundManager is a mock of Manager interface.
type OutboundManager struct {
ctrl *gomock.Controller
recorder *OutboundManagerMockRecorder
}
// OutboundManagerMockRecorder is the mock recorder for OutboundManager
// OutboundManagerMockRecorder is the mock recorder for OutboundManager.
type OutboundManagerMockRecorder struct {
mock *OutboundManager
}
// NewOutboundManager creates a new mock instance
// NewOutboundManager creates a new mock instance.
func NewOutboundManager(ctrl *gomock.Controller) *OutboundManager {
mock := &OutboundManager{ctrl: ctrl}
mock.recorder = &OutboundManagerMockRecorder{mock}
return mock
}
// EXPECT returns an object that allows the caller to indicate expected use
// EXPECT returns an object that allows the caller to indicate expected use.
func (m *OutboundManager) EXPECT() *OutboundManagerMockRecorder {
return m.recorder
}
// AddHandler mocks base method
// AddHandler mocks base method.
func (m *OutboundManager) AddHandler(arg0 context.Context, arg1 outbound.Handler) error {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "AddHandler", arg0, arg1)
@ -42,13 +43,13 @@ func (m *OutboundManager) AddHandler(arg0 context.Context, arg1 outbound.Handler
return ret0
}
// AddHandler indicates an expected call of AddHandler
// AddHandler indicates an expected call of AddHandler.
func (mr *OutboundManagerMockRecorder) AddHandler(arg0, arg1 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AddHandler", reflect.TypeOf((*OutboundManager)(nil).AddHandler), arg0, arg1)
}
// Close mocks base method
// Close mocks base method.
func (m *OutboundManager) Close() error {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Close")
@ -56,13 +57,13 @@ func (m *OutboundManager) Close() error {
return ret0
}
// Close indicates an expected call of Close
// Close indicates an expected call of Close.
func (mr *OutboundManagerMockRecorder) Close() *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Close", reflect.TypeOf((*OutboundManager)(nil).Close))
}
// GetDefaultHandler mocks base method
// GetDefaultHandler mocks base method.
func (m *OutboundManager) GetDefaultHandler() outbound.Handler {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "GetDefaultHandler")
@ -70,13 +71,13 @@ func (m *OutboundManager) GetDefaultHandler() outbound.Handler {
return ret0
}
// GetDefaultHandler indicates an expected call of GetDefaultHandler
// GetDefaultHandler indicates an expected call of GetDefaultHandler.
func (mr *OutboundManagerMockRecorder) GetDefaultHandler() *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetDefaultHandler", reflect.TypeOf((*OutboundManager)(nil).GetDefaultHandler))
}
// GetHandler mocks base method
// GetHandler mocks base method.
func (m *OutboundManager) GetHandler(arg0 string) outbound.Handler {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "GetHandler", arg0)
@ -84,13 +85,13 @@ func (m *OutboundManager) GetHandler(arg0 string) outbound.Handler {
return ret0
}
// GetHandler indicates an expected call of GetHandler
// GetHandler indicates an expected call of GetHandler.
func (mr *OutboundManagerMockRecorder) GetHandler(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetHandler", reflect.TypeOf((*OutboundManager)(nil).GetHandler), arg0)
}
// RemoveHandler mocks base method
// RemoveHandler mocks base method.
func (m *OutboundManager) RemoveHandler(arg0 context.Context, arg1 string) error {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "RemoveHandler", arg0, arg1)
@ -98,13 +99,13 @@ func (m *OutboundManager) RemoveHandler(arg0 context.Context, arg1 string) error
return ret0
}
// RemoveHandler indicates an expected call of RemoveHandler
// RemoveHandler indicates an expected call of RemoveHandler.
func (mr *OutboundManagerMockRecorder) RemoveHandler(arg0, arg1 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RemoveHandler", reflect.TypeOf((*OutboundManager)(nil).RemoveHandler), arg0, arg1)
}
// Start mocks base method
// Start mocks base method.
func (m *OutboundManager) Start() error {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Start")
@ -112,13 +113,13 @@ func (m *OutboundManager) Start() error {
return ret0
}
// Start indicates an expected call of Start
// Start indicates an expected call of Start.
func (mr *OutboundManagerMockRecorder) Start() *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Start", reflect.TypeOf((*OutboundManager)(nil).Start))
}
// Type mocks base method
// Type mocks base method.
func (m *OutboundManager) Type() interface{} {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Type")
@ -126,36 +127,36 @@ func (m *OutboundManager) Type() interface{} {
return ret0
}
// Type indicates an expected call of Type
// Type indicates an expected call of Type.
func (mr *OutboundManagerMockRecorder) Type() *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Type", reflect.TypeOf((*OutboundManager)(nil).Type))
}
// OutboundHandlerSelector is a mock of HandlerSelector interface
// OutboundHandlerSelector is a mock of HandlerSelector interface.
type OutboundHandlerSelector struct {
ctrl *gomock.Controller
recorder *OutboundHandlerSelectorMockRecorder
}
// OutboundHandlerSelectorMockRecorder is the mock recorder for OutboundHandlerSelector
// OutboundHandlerSelectorMockRecorder is the mock recorder for OutboundHandlerSelector.
type OutboundHandlerSelectorMockRecorder struct {
mock *OutboundHandlerSelector
}
// NewOutboundHandlerSelector creates a new mock instance
// NewOutboundHandlerSelector creates a new mock instance.
func NewOutboundHandlerSelector(ctrl *gomock.Controller) *OutboundHandlerSelector {
mock := &OutboundHandlerSelector{ctrl: ctrl}
mock.recorder = &OutboundHandlerSelectorMockRecorder{mock}
return mock
}
// EXPECT returns an object that allows the caller to indicate expected use
// EXPECT returns an object that allows the caller to indicate expected use.
func (m *OutboundHandlerSelector) EXPECT() *OutboundHandlerSelectorMockRecorder {
return m.recorder
}
// Select mocks base method
// Select mocks base method.
func (m *OutboundHandlerSelector) Select(arg0 []string) []string {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Select", arg0)
@ -163,7 +164,7 @@ func (m *OutboundHandlerSelector) Select(arg0 []string) []string {
return ret0
}
// Select indicates an expected call of Select
// Select indicates an expected call of Select.
func (mr *OutboundHandlerSelectorMockRecorder) Select(arg0 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Select", reflect.TypeOf((*OutboundHandlerSelector)(nil).Select), arg0)

31
testing/mocks/proxy.go
View file

@ -6,38 +6,39 @@ package mocks
import (
context "context"
reflect "reflect"
gomock "github.com/golang/mock/gomock"
net "github.com/xtls/xray-core/common/net"
routing "github.com/xtls/xray-core/features/routing"
transport "github.com/xtls/xray-core/transport"
internet "github.com/xtls/xray-core/transport/internet"
reflect "reflect"
)
// ProxyInbound is a mock of Inbound interface
// ProxyInbound is a mock of Inbound interface.
type ProxyInbound struct {
ctrl *gomock.Controller
recorder *ProxyInboundMockRecorder
}
// ProxyInboundMockRecorder is the mock recorder for ProxyInbound
// ProxyInboundMockRecorder is the mock recorder for ProxyInbound.
type ProxyInboundMockRecorder struct {
mock *ProxyInbound
}
// NewProxyInbound creates a new mock instance
// NewProxyInbound creates a new mock instance.
func NewProxyInbound(ctrl *gomock.Controller) *ProxyInbound {
mock := &ProxyInbound{ctrl: ctrl}
mock.recorder = &ProxyInboundMockRecorder{mock}
return mock
}
// EXPECT returns an object that allows the caller to indicate expected use
// EXPECT returns an object that allows the caller to indicate expected use.
func (m *ProxyInbound) EXPECT() *ProxyInboundMockRecorder {
return m.recorder
}
// Network mocks base method
// Network mocks base method.
func (m *ProxyInbound) Network() []net.Network {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Network")
@ -45,13 +46,13 @@ func (m *ProxyInbound) Network() []net.Network {
return ret0
}
// Network indicates an expected call of Network
// Network indicates an expected call of Network.
func (mr *ProxyInboundMockRecorder) Network() *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Network", reflect.TypeOf((*ProxyInbound)(nil).Network))
}
// Process mocks base method
// Process mocks base method.
func (m *ProxyInbound) Process(arg0 context.Context, arg1 net.Network, arg2 internet.Connection, arg3 routing.Dispatcher) error {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Process", arg0, arg1, arg2, arg3)
@ -59,36 +60,36 @@ func (m *ProxyInbound) Process(arg0 context.Context, arg1 net.Network, arg2 inte
return ret0
}
// Process indicates an expected call of Process
// Process indicates an expected call of Process.
func (mr *ProxyInboundMockRecorder) Process(arg0, arg1, arg2, arg3 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Process", reflect.TypeOf((*ProxyInbound)(nil).Process), arg0, arg1, arg2, arg3)
}
// ProxyOutbound is a mock of Outbound interface
// ProxyOutbound is a mock of Outbound interface.
type ProxyOutbound struct {
ctrl *gomock.Controller
recorder *ProxyOutboundMockRecorder
}
// ProxyOutboundMockRecorder is the mock recorder for ProxyOutbound
// ProxyOutboundMockRecorder is the mock recorder for ProxyOutbound.
type ProxyOutboundMockRecorder struct {
mock *ProxyOutbound
}
// NewProxyOutbound creates a new mock instance
// NewProxyOutbound creates a new mock instance.
func NewProxyOutbound(ctrl *gomock.Controller) *ProxyOutbound {
mock := &ProxyOutbound{ctrl: ctrl}
mock.recorder = &ProxyOutboundMockRecorder{mock}
return mock
}
// EXPECT returns an object that allows the caller to indicate expected use
// EXPECT returns an object that allows the caller to indicate expected use.
func (m *ProxyOutbound) EXPECT() *ProxyOutboundMockRecorder {
return m.recorder
}
// Process mocks base method
// Process mocks base method.
func (m *ProxyOutbound) Process(arg0 context.Context, arg1 *transport.Link, arg2 internet.Dialer) error {
m.ctrl.T.Helper()
ret := m.ctrl.Call(m, "Process", arg0, arg1, arg2)
@ -96,7 +97,7 @@ func (m *ProxyOutbound) Process(arg0 context.Context, arg1 *transport.Link, arg2
return ret0
}
// Process indicates an expected call of Process
// Process indicates an expected call of Process.
func (mr *ProxyOutboundMockRecorder) Process(arg0, arg1, arg2 interface{}) *gomock.Call {
mr.mock.ctrl.T.Helper()
return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Process", reflect.TypeOf((*ProxyOutbound)(nil).Process), arg0, arg1, arg2)

30
transport/internet/grpc/dial.go
View file

@ -36,6 +36,7 @@ func init() {
type dialerConf struct {
net.Destination
*internet.SocketConfig
*tls.Config
}
var (
@ -46,14 +47,9 @@ var (
func dialgRPC(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (net.Conn, error) {
grpcSettings := streamSettings.ProtocolSettings.(*Config)
config := tls.ConfigFromStreamSettings(streamSettings)
var dialOption = grpc.WithInsecure()
tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
if config != nil {
dialOption = grpc.WithTransportCredentials(credentials.NewTLS(config.GetTLSConfig()))
}
conn, err := getGrpcClient(ctx, dest, dialOption, streamSettings.SocketSettings)
conn, err := getGrpcClient(ctx, dest, tlsConfig, streamSettings.SocketSettings)
if err != nil {
return nil, newError("Cannot dial gRPC").Base(err)
@ -76,7 +72,7 @@ func dialgRPC(ctx context.Context, dest net.Destination, streamSettings *interne
return encoding.NewHunkConn(grpcService, nil), nil
}
func getGrpcClient(ctx context.Context, dest net.Destination, dialOption grpc.DialOption, sockopt *internet.SocketConfig) (*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()
@ -84,12 +80,24 @@ func getGrpcClient(ctx context.Context, dest net.Destination, dialOption grpc.Di
globalDialerMap = make(map[dialerConf]*grpc.ClientConn)
}
if client, found := globalDialerMap[dialerConf{dest, sockopt}]; found && client.GetState() != connectivity.Shutdown {
if client, found := globalDialerMap[dialerConf{dest, sockopt, tlsConfig}]; found && client.GetState() != connectivity.Shutdown {
return client, nil
}
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(dest.Address.String(), dest.Port.String()),
gonet.JoinHostPort(grpcDestHost, dest.Port.String()),
dialOption,
grpc.WithConnectParams(grpc.ConnectParams{
Backoff: backoff.Config{
@ -125,6 +133,6 @@ func getGrpcClient(ctx context.Context, dest net.Destination, dialOption grpc.Di
return internet.DialSystem(gctx, net.TCPDestination(address, port), sockopt)
}),
)
globalDialerMap[dialerConf{dest, sockopt}] = conn
globalDialerMap[dialerConf{dest, sockopt, tlsConfig}] = conn
return conn, err
}

17
transport/internet/grpc/encoding/hunkconn.go
View file

@ -5,12 +5,15 @@ import (
"io"
"net"
"google.golang.org/grpc/peer"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net/cnc"
"github.com/xtls/xray-core/common/signal/done"
)
type HunkConn interface {
Context() context.Context
Send(*Hunk) error
Recv() (*Hunk, error)
SendMsg(m interface{}) error
@ -35,11 +38,23 @@ func NewHunkReadWriter(hc HunkConn, cancel context.CancelFunc) *HunkReaderWriter
}
func NewHunkConn(hc HunkConn, cancel context.CancelFunc) net.Conn {
var rAddr net.Addr
pr, ok := peer.FromContext(hc.Context())
if ok {
rAddr = pr.Addr
} else {
rAddr = &net.TCPAddr{
IP: []byte{0, 0, 0, 0},
Port: 0,
}
}
wrc := NewHunkReadWriter(hc, cancel)
return cnc.NewConnection(
cnc.ConnectionInput(wrc),
cnc.ConnectionOutput(wrc),
cnc.ConnectionOnClose(wrc),
cnc.ConnectionRemoteAddr(rAddr),
)
}
@ -85,7 +100,7 @@ func (h *HunkReaderWriter) ReadMultiBuffer() (buf.MultiBuffer, error) {
}
}
if cap(h.buf) == buf.Size {
if cap(h.buf) >= buf.Size {
b := h.buf
h.index = len(h.buf)
return buf.MultiBuffer{buf.NewExisted(b)}, nil

40
transport/internet/grpc/encoding/multiconn.go
View file

@ -5,12 +5,15 @@ import (
"io"
"net"
"google.golang.org/grpc/peer"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net/cnc"
"github.com/xtls/xray-core/common/signal/done"
)
type MultiHunkConn interface {
Context() context.Context
Send(*MultiHunk) error
Recv() (*MultiHunk, error)
SendMsg(m interface{}) error
@ -30,11 +33,23 @@ func NewMultiHunkReadWriter(hc MultiHunkConn, cancel context.CancelFunc) *MultiH
}
func NewMultiHunkConn(hc MultiHunkConn, cancel context.CancelFunc) net.Conn {
var rAddr net.Addr
pr, ok := peer.FromContext(hc.Context())
if ok {
rAddr = pr.Addr
} else {
rAddr = &net.TCPAddr{
IP: []byte{0, 0, 0, 0},
Port: 0,
}
}
wrc := NewMultiHunkReadWriter(hc, cancel)
return cnc.NewConnection(
cnc.ConnectionInputMulti(wrc),
cnc.ConnectionOutputMulti(wrc),
cnc.ConnectionOnClose(wrc),
cnc.ConnectionRemoteAddr(rAddr),
)
}
@ -64,16 +79,20 @@ func (h *MultiHunkReaderWriter) ReadMultiBuffer() (buf.MultiBuffer, error) {
var mb = make(buf.MultiBuffer, 0, len(h.buf))
for _, b := range h.buf {
if cap(b) >= buf.Size {
mb = append(mb, buf.NewExisted(b))
if len(b) == 0 {
continue
}
nb := buf.New()
nb.Extend(int32(len(b)))
copy(nb.Bytes(), b)
if cap(b) >= buf.Size {
mb = append(mb, buf.NewExisted(b))
} else {
nb := buf.New()
nb.Extend(int32(len(b)))
copy(nb.Bytes(), b)
mb = append(mb, nb)
}
mb = append(mb, nb)
}
return mb, nil
}
@ -84,12 +103,15 @@ func (h *MultiHunkReaderWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
return io.ErrClosedPipe
}
hunk := &MultiHunk{Data: make([][]byte, len(mb))}
hunks := make([][]byte, 0, len(mb))
for _, b := range mb {
hunk.Data = append(hunk.Data, b.Bytes())
if b.Len() > 0 {
hunks = append(hunks, b.Bytes())
}
}
err := h.hc.Send(hunk)
err := h.hc.Send(&MultiHunk{Data: hunks})
if err != nil {
return err
}

5
transport/internet/http/dialer.go
View file

@ -21,6 +21,7 @@ import (
type dialerConf struct {
net.Destination
*internet.SocketConfig
*tls.Config
}
var (
@ -36,7 +37,7 @@ func getHTTPClient(ctx context.Context, dest net.Destination, tlsSettings *tls.C
globalDialerMap = make(map[dialerConf]*http.Client)
}
if client, found := globalDialerMap[dialerConf{dest, sockopt}]; found {
if client, found := globalDialerMap[dialerConf{dest, sockopt, tlsSettings}]; found {
return client, nil
}
@ -92,7 +93,7 @@ func getHTTPClient(ctx context.Context, dest net.Destination, tlsSettings *tls.C
Transport: transport,
}
globalDialerMap[dialerConf{dest, sockopt}] = client
globalDialerMap[dialerConf{dest, sockopt, tlsSettings}] = client
return client, nil
}

3
transport/internet/quic/dialer.go
View file

@ -148,8 +148,7 @@ func (s *clientSessions) openConnection(destAddr net.Addr, config *Config, tlsCo
quicConfig := &quic.Config{
ConnectionIDLength: 12,
HandshakeTimeout: time.Second * 8,
MaxIdleTimeout: time.Second * 30,
KeepAlive: true,
}
conn, err := wrapSysConn(rawConn, config)

3
transport/internet/quic/hub.go
View file

@ -103,8 +103,7 @@ func Listen(ctx context.Context, address net.Address, port net.Port, streamSetti
quicConfig := &quic.Config{
ConnectionIDLength: 12,
HandshakeTimeout: time.Second * 8,
MaxIdleTimeout: time.Second * 45,
KeepAlive: true,
MaxIncomingStreams: 32,
MaxIncomingUniStreams: -1,
}

11
transport/internet/sockopt.go
View file

@ -17,3 +17,14 @@ func isUDPSocket(network string) bool {
return false
}
}
func (v *SocketConfig) ParseTFOValue() int {
if v.Tfo == 0 {
return -1
}
tfo := int(v.Tfo)
if tfo < 0 {
tfo = 0
}
return tfo
}

8
transport/internet/sockopt_darwin.go
View file

@ -15,12 +15,12 @@ const (
func applyOutboundSocketOptions(network string, address string, fd uintptr, config *SocketConfig) error {
if isTCPSocket(network) {
tfo := config.Tfo
tfo := config.ParseTFOValue()
if tfo > 0 {
tfo = TCP_FASTOPEN_CLIENT
}
if tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, int(tfo)); err != nil {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, tfo); err != nil {
return err
}
}
@ -31,12 +31,12 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig) error {
if isTCPSocket(network) {
tfo := config.Tfo
tfo := config.ParseTFOValue()
if tfo > 0 {
tfo = TCP_FASTOPEN_SERVER
}
if tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, int(tfo)); err != nil {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, tfo); err != nil {
return err
}
}

9
transport/internet/sockopt_freebsd.go
View file

@ -130,7 +130,7 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
}
if isTCPSocket(network) {
tfo := int(config.Tfo)
tfo := config.ParseTFOValue()
if tfo > 0 {
tfo = 1
}
@ -163,9 +163,10 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
}
}
if isTCPSocket(network) {
if config.Tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, int(config.Tfo)); err != nil {
return newError("failed to set TCP_FASTOPEN=", config.Tfo).Base(err)
tfo := config.ParseTFOValue()
if tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, tfo); err != nil {
return newError("failed to set TCP_FASTOPEN=", tfo).Base(err)
}
}
}

9
transport/internet/sockopt_linux.go
View file

@ -48,7 +48,7 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
}
if isTCPSocket(network) {
tfo := int(config.Tfo)
tfo := config.ParseTFOValue()
if tfo > 0 {
tfo = 1
}
@ -75,9 +75,10 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
}
}
if isTCPSocket(network) {
if config.Tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.SOL_TCP, TCP_FASTOPEN, int(config.Tfo)); err != nil {
return newError("failed to set TCP_FASTOPEN=", config.Tfo).Base(err)
tfo := config.ParseTFOValue()
if tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.SOL_TCP, TCP_FASTOPEN, tfo); err != nil {
return newError("failed to set TCP_FASTOPEN=", tfo).Base(err)
}
}
}

8
transport/internet/sockopt_windows.go
View file

@ -8,12 +8,12 @@ const (
TCP_FASTOPEN = 15
)
func setTFO(fd syscall.Handle, tfo int32) error {
func setTFO(fd syscall.Handle, tfo int) error {
if tfo > 0 {
tfo = 1
}
if tfo >= 0 {
if err := syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, TCP_FASTOPEN, int(tfo)); err != nil {
if err := syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, TCP_FASTOPEN, tfo); err != nil {
return err
}
}
@ -22,7 +22,7 @@ func setTFO(fd syscall.Handle, tfo int32) error {
func applyOutboundSocketOptions(network string, address string, fd uintptr, config *SocketConfig) error {
if isTCPSocket(network) {
if err := setTFO(syscall.Handle(fd), config.Tfo); err != nil {
if err := setTFO(syscall.Handle(fd), config.ParseTFOValue()); err != nil {
return err
}
@ -33,7 +33,7 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig) error {
if isTCPSocket(network) {
if err := setTFO(syscall.Handle(fd), config.Tfo); err != nil {
if err := setTFO(syscall.Handle(fd), config.ParseTFOValue()); err != nil {
return err
}
}

25
transport/internet/system_dialer.go
View file

@ -63,40 +63,23 @@ func (d *DefaultSystemDialer) lookupIP(domain string, strategy DomainStrategy, l
return nil, nil
}
var option = dns.IPOption{
IPv4Enable: true,
IPv6Enable: true,
FakeEnable: false,
}
var opt dns.Option
switch {
case strategy == DomainStrategy_USE_IP4 || (localAddr != nil && localAddr.Family().IsIPv4()):
option = dns.IPOption{
IPv4Enable: true,
IPv6Enable: false,
FakeEnable: false,
}
opt = dns.LookupIPv4Only
case strategy == DomainStrategy_USE_IP6 || (localAddr != nil && localAddr.Family().IsIPv6()):
option = dns.IPOption{
IPv4Enable: false,
IPv6Enable: true,
FakeEnable: false,
}
opt = dns.LookupIPv6Only
case strategy == DomainStrategy_AS_IS:
return nil, nil
}
return d.dns.LookupIP(domain, option)
return d.dns.LookupOptions(domain, opt, dns.LookupNoFake)
}
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
}

18
transport/internet/system_dialer_context.go
View file

@ -1,18 +0,0 @@
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 ""
}

14
transport/internet/tcp/dialer.go
View file

@ -21,14 +21,14 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
if config := tls.ConfigFromStreamSettings(streamSettings); config != nil {
tlsConfig := config.GetTLSConfig(tls.WithDestination(dest))
/*
if config.IsExperiment8357() {
conn = tls.UClient(conn, tlsConfig)
} else {
conn = tls.Client(conn, tlsConfig)
if fingerprint, ok := tls.Fingerprints[config.Fingerprint]; ok {
conn = tls.UClient(conn, tlsConfig, fingerprint)
if err := conn.(*tls.UConn).Handshake(); err != nil {
return nil, err
}
*/
conn = tls.Client(conn, tlsConfig)
} else {
conn = tls.Client(conn, tlsConfig)
}
} else if config := xtls.ConfigFromStreamSettings(streamSettings); config != nil {
xtlsConfig := config.GetXTLSConfig(xtls.WithDestination(dest))
conn = xtls.Client(conn, xtlsConfig)

3
transport/internet/tcp/hub.go
View file

@ -38,7 +38,8 @@ func ListenTCP(ctx context.Context, address net.Address, port net.Port, streamSe
if streamSettings.SocketSettings == nil {
streamSettings.SocketSettings = &internet.SocketConfig{}
}
streamSettings.SocketSettings.AcceptProxyProtocol = l.config.AcceptProxyProtocol
streamSettings.SocketSettings.AcceptProxyProtocol =
l.config.AcceptProxyProtocol || streamSettings.SocketSettings.AcceptProxyProtocol
}
var listener net.Listener
var err error

10
transport/internet/tls/config.go
View file

@ -18,8 +18,6 @@ var (
globalSessionCache = tls.NewLRUClientSessionCache(128)
)
const exp8357 = "experiment:8357"
// ParseCertificate converts a cert.Certificate to Certificate.
func ParseCertificate(c *cert.Certificate) *Certificate {
if c != nil {
@ -240,15 +238,7 @@ func getNewGetCertficateFunc(certs []*tls.Certificate) func(hello *tls.ClientHel
}
}
func (c *Config) IsExperiment8357() bool {
return strings.HasPrefix(c.ServerName, exp8357)
}
func (c *Config) parseServerName() string {
if c.IsExperiment8357() {
return c.ServerName[len(exp8357):]
}
return c.ServerName
}

33
transport/internet/tls/config.pb.go
View file

@ -1,7 +1,7 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.14.0
// protoc v3.15.6
// source: transport/internet/tls/config.proto
package tls
@ -200,6 +200,8 @@ 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"`
// TLS Client Hello fingerprint (uTLS).
Fingerprint string `protobuf:"bytes,11,opt,name=fingerprint,proto3" json:"fingerprint,omitempty"`
}
func (x *Config) Reset() {
@ -304,6 +306,13 @@ func (x *Config) GetPreferServerCipherSuites() bool {
return false
}
func (x *Config) GetFingerprint() string {
if x != nil {
return x.Fingerprint
}
return ""
}
var File_transport_internet_tls_config_proto protoreflect.FileDescriptor
var file_transport_internet_tls_config_proto_rawDesc = []byte{
@ -333,7 +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, 0xd3, 0x03, 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,
@ -362,15 +371,17 @@ var file_transport_internet_tls_config_proto_rawDesc = []byte{
0x0a, 0x1b, 0x70, 0x72, 0x65, 0x66, 0x65, 0x72, 0x5f, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x5f,
0x63, 0x69, 0x70, 0x68, 0x65, 0x72, 0x5f, 0x73, 0x75, 0x69, 0x74, 0x65, 0x73, 0x18, 0x0a, 0x20,
0x01, 0x28, 0x08, 0x52, 0x18, 0x70, 0x72, 0x65, 0x66, 0x65, 0x72, 0x53, 0x65, 0x72, 0x76, 0x65,
0x72, 0x43, 0x69, 0x70, 0x68, 0x65, 0x72, 0x53, 0x75, 0x69, 0x74, 0x65, 0x73, 0x42, 0x73, 0x0a,
0x1f, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70,
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0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e,
0x65, 0x74, 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 (

3
transport/internet/tls/config.proto
View file

@ -64,4 +64,7 @@ message Config {
// Whether the server selects its most preferred ciphersuite.
bool prefer_server_cipher_suites = 10;
// TLS Client Hello fingerprint (uTLS).
string fingerprint = 11;
}

54
transport/internet/tls/tls.go
View file

@ -3,6 +3,8 @@ package tls
import (
"crypto/tls"
utls "github.com/refraction-networking/utls"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net"
)
@ -41,25 +43,43 @@ func Client(c net.Conn, config *tls.Config) net.Conn {
return &Conn{Conn: tlsConn}
}
/*
func copyConfig(c *tls.Config) *utls.Config {
return &utls.Config{
NextProtos: c.NextProtos,
ServerName: c.ServerName,
InsecureSkipVerify: c.InsecureSkipVerify,
MinVersion: utls.VersionTLS12,
MaxVersion: utls.VersionTLS12,
}
}
func UClient(c net.Conn, config *tls.Config) net.Conn {
uConfig := copyConfig(config)
return utls.Client(c, uConfig)
}
*/
// Server initiates a TLS server handshake on the given connection.
func Server(c net.Conn, config *tls.Config) net.Conn {
tlsConn := tls.Server(c, config)
return &Conn{Conn: tlsConn}
}
type UConn struct {
*utls.UConn
}
func (c *UConn) HandshakeAddress() net.Address {
if err := c.Handshake(); err != nil {
return nil
}
state := c.ConnectionState()
if state.ServerName == "" {
return nil
}
return net.ParseAddress(state.ServerName)
}
func UClient(c net.Conn, config *tls.Config, fingerprint *utls.ClientHelloID) net.Conn {
utlsConn := utls.UClient(c, copyConfig(config), *fingerprint)
return &UConn{UConn: utlsConn}
}
func copyConfig(c *tls.Config) *utls.Config {
return &utls.Config{
RootCAs: c.RootCAs,
ServerName: c.ServerName,
InsecureSkipVerify: c.InsecureSkipVerify,
}
}
var Fingerprints = map[string]*utls.ClientHelloID{
"chrome": &utls.HelloChrome_Auto,
"firefox": &utls.HelloFirefox_Auto,
"safari": &utls.HelloIOS_Auto,
"randomized": &utls.HelloRandomized,
}

49
transport/internet/websocket/dialer.go
View file

@ -2,8 +2,12 @@ package websocket
import (
"context"
_ "embed"
"encoding/base64"
"fmt"
"io"
"net/http"
"os"
"time"
"github.com/gorilla/websocket"
@ -15,6 +19,27 @@ import (
"github.com/xtls/xray-core/transport/internet/tls"
)
//go:embed dialer.html
var webpage []byte
var conns chan *websocket.Conn
func init() {
if addr := os.Getenv("XRAY_BROWSER_DIALER"); addr != "" {
conns = make(chan *websocket.Conn, 256)
go http.ListenAndServe(addr, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/websocket" {
if conn, err := upgrader.Upgrade(w, r, nil); err == nil {
conns <- conn
} else {
fmt.Println("unexpected error")
}
} else {
w.Write(webpage)
}
}))
}
}
// Dial dials a WebSocket connection to the given destination.
func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (internet.Connection, error) {
newError("creating connection to ", dest).WriteToLog(session.ExportIDToError(ctx))
@ -66,6 +91,30 @@ func dialWebSocket(ctx context.Context, dest net.Destination, streamSettings *in
}
uri := protocol + "://" + host + wsSettings.GetNormalizedPath()
if conns != nil {
data := []byte(uri)
if ed != nil {
data = append(data, " "+base64.RawURLEncoding.EncodeToString(ed)...)
}
var conn *websocket.Conn
for {
conn = <-conns
if conn.WriteMessage(websocket.TextMessage, data) != nil {
conn.Close()
} else {
break
}
}
if _, p, err := conn.ReadMessage(); err != nil {
conn.Close()
return nil, err
} else if s := string(p); s != "ok" {
conn.Close()
return nil, newError(s)
}
return newConnection(conn, conn.RemoteAddr(), nil), nil
}
header := wsSettings.GetRequestHeader()
if ed != nil {
header.Set("Sec-WebSocket-Protocol", base64.StdEncoding.EncodeToString(ed))

55
transport/internet/websocket/dialer.html Normal file
View file

@ -0,0 +1,55 @@
<!DOCTYPE html>
<html>
<head>
<title>Browser Dialer</title>
</head>
<body>
<script>
// Copyright (c) 2021 XRAY. Mozilla Public License 2.0.
var url = "ws://" + window.location.host + "/websocket"
var count = 0
setInterval(check, 1000)
function check() {
if (count <= 0) {
count += 1
console.log("Prepare", url)
var ws = new WebSocket(url)
var wss = undefined
var first = true
ws.onmessage = function (event) {
if (first) {
first = false
count -= 1
var arr = event.data.split(" ")
console.log("Dial", arr[0], arr[1])
wss = new WebSocket(arr[0], arr[1])
var opened = false
wss.onopen = function (event) {
opened = true
ws.send("ok")
}
wss.onmessage = function (event) {
ws.send(event.data)
}
wss.onclose = function (event) {
ws.close()
}
wss.onerror = function (event) {
!opened && ws.send("fail")
wss.close()
}
check()
} else wss.send(event.data)
}
ws.onclose = function (event) {
if (first) count -= 1
else wss.close()
}
ws.onerror = function (event) {
ws.close()
}
}
}
</script>
</body>
</html>

26
transport/internet/websocket/hub.go
View file

@ -7,6 +7,7 @@ import (
"encoding/base64"
"io"
"net/http"
"strings"
"sync"
"time"
@ -25,6 +26,8 @@ type requestHandler struct {
ln *Listener
}
var replacer = strings.NewReplacer("+", "-", "/", "_", "=", "")
var upgrader = &websocket.Upgrader{
ReadBufferSize: 4 * 1024,
WriteBufferSize: 4 * 1024,
@ -39,7 +42,17 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
writer.WriteHeader(http.StatusNotFound)
return
}
conn, err := upgrader.Upgrade(writer, request, nil)
var extraReader io.Reader
var responseHeader = http.Header{}
if str := request.Header.Get("Sec-WebSocket-Protocol"); str != "" {
if ed, err := base64.RawURLEncoding.DecodeString(replacer.Replace(str)); err == nil && len(ed) > 0 {
extraReader = bytes.NewReader(ed)
responseHeader.Set("Sec-WebSocket-Protocol", str)
}
}
conn, err := upgrader.Upgrade(writer, request, responseHeader)
if err != nil {
newError("failed to convert to WebSocket connection").Base(err).WriteToLog()
return
@ -54,12 +67,6 @@ func (h *requestHandler) ServeHTTP(writer http.ResponseWriter, request *http.Req
}
}
var extraReader io.Reader
if str := request.Header.Get("Sec-WebSocket-Protocol"); str != "" {
if ed, err := base64.StdEncoding.DecodeString(str); err == nil && len(ed) > 0 {
extraReader = bytes.NewReader(ed)
}
}
h.ln.addConn(newConnection(conn, remoteAddr, extraReader))
}
@ -82,7 +89,8 @@ func ListenWS(ctx context.Context, address net.Address, port net.Port, streamSet
if streamSettings.SocketSettings == nil {
streamSettings.SocketSettings = &internet.SocketConfig{}
}
streamSettings.SocketSettings.AcceptProxyProtocol = l.config.AcceptProxyProtocol
streamSettings.SocketSettings.AcceptProxyProtocol =
l.config.AcceptProxyProtocol || streamSettings.SocketSettings.AcceptProxyProtocol
}
var listener net.Listener
var err error
@ -128,7 +136,7 @@ func ListenWS(ctx context.Context, address net.Address, port net.Port, streamSet
ln: l,
},
ReadHeaderTimeout: time.Second * 4,
MaxHeaderBytes: 2048,
MaxHeaderBytes: 4096,
}
go func() {