v24.11.21

""Breaking"": Client uses "stream-up" mode by default when using **TLS H2** or REALITY

.github/docker/Dockerfile

@@ -22,7 +22,7 @@ VOLUME /etc/xray
 ARG TZ=Asia/Shanghai
 ENV TZ=$TZ
 ENTRYPOINT [ "/usr/bin/xray" ]
-CMD [ "-config", "/etc/xray/config.json" ]
+CMD [ "-confdir", "/etc/xray/" ]
 
 ARG flavor=v2fly
 COPY --from=build --chmod=644 /$flavor /usr/share/xray

app/dns/nameserver_quic_test.go

@@ -14,7 +14,7 @@ import (
 )
 
 func TestQUICNameServer(t *testing.T) {
-	url, err := url.Parse("quic://dns.adguard.com")
+	url, err := url.Parse("quic://dns.adguard-dns.com")
 	common.Must(err)
 	s, err := NewQUICNameServer(url, QueryStrategy_USE_IP)
 	common.Must(err)
@@ -42,7 +42,7 @@ func TestQUICNameServer(t *testing.T) {
 }
 
 func TestQUICNameServerWithIPv4Override(t *testing.T) {
-	url, err := url.Parse("quic://dns.adguard.com")
+	url, err := url.Parse("quic://dns.adguard-dns.com")
 	common.Must(err)
 	s, err := NewQUICNameServer(url, QueryStrategy_USE_IP4)
 	common.Must(err)
@@ -65,7 +65,7 @@ func TestQUICNameServerWithIPv4Override(t *testing.T) {
 }
 
 func TestQUICNameServerWithIPv6Override(t *testing.T) {
-	url, err := url.Parse("quic://dns.adguard.com")
+	url, err := url.Parse("quic://dns.adguard-dns.com")
 	common.Must(err)
 	s, err := NewQUICNameServer(url, QueryStrategy_USE_IP6)
 	common.Must(err)

common/log/logger_test.go

@@ -16,6 +16,7 @@ func TestFileLogger(t *testing.T) {
 	common.Must(err)
 	path := f.Name()
 	common.Must(f.Close())
+	defer os.Remove(path)
 
 	creator, err := CreateFileLogWriter(path)
 	common.Must(err)

core/core.go

@@ -19,7 +19,7 @@ import (
 var (
 	Version_x byte = 24
 	Version_y byte = 11
-	Version_z byte = 11
+	Version_z byte = 21
 )
 
 var (

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/pires/go-proxyproto v0.8.0
 	github.com/quic-go/quic-go v0.46.0
 	github.com/refraction-networking/utls v1.6.7
-	github.com/sagernet/sing v0.5.0
+	github.com/sagernet/sing v0.5.1
 	github.com/sagernet/sing-shadowsocks v0.2.7
 	github.com/seiflotfy/cuckoofilter v0.0.0-20240715131351-a2f2c23f1771
 	github.com/stretchr/testify v1.9.0
@@ -28,7 +28,7 @@ require (
 	golang.org/x/sys v0.27.0
 	golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173
 	google.golang.org/grpc v1.67.1
-	google.golang.org/protobuf v1.35.1
+	google.golang.org/protobuf v1.35.2
 	gvisor.dev/gvisor v0.0.0-20231202080848-1f7806d17489
 	h12.io/socks v1.0.3
 	lukechampine.com/blake3 v1.3.0

go.sum

@@ -54,8 +54,8 @@ github.com/refraction-networking/utls v1.6.7 h1:zVJ7sP1dJx/WtVuITug3qYUq034cDq9B
 github.com/refraction-networking/utls v1.6.7/go.mod h1:BC3O4vQzye5hqpmDTWUqi4P5DDhzJfkV1tdqtawQIH0=
 github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 h1:f/FNXud6gA3MNr8meMVVGxhp+QBTqY91tM8HjEuMjGg=
 github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3/go.mod h1:HgjTstvQsPGkxUsCd2KWxErBblirPizecHcpD3ffK+s=
-github.com/sagernet/sing v0.5.0 h1:soo2wVwLcieKWWKIksFNK6CCAojUgAppqQVwyRYGkEM=
-github.com/sagernet/sing v0.5.0/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
+github.com/sagernet/sing v0.5.1 h1:mhL/MZVq0TjuvHcpYcFtmSD1BFOxZ/+8ofbNZcg1k1Y=
+github.com/sagernet/sing v0.5.1/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
 github.com/sagernet/sing-shadowsocks v0.2.7 h1:zaopR1tbHEw5Nk6FAkM05wCslV6ahVegEZaKMv9ipx8=
 github.com/sagernet/sing-shadowsocks v0.2.7/go.mod h1:0rIKJZBR65Qi0zwdKezt4s57y/Tl1ofkaq6NlkzVuyE=
 github.com/seiflotfy/cuckoofilter v0.0.0-20240715131351-a2f2c23f1771 h1:emzAzMZ1L9iaKCTxdy3Em8Wv4ChIAGnfiz18Cda70g4=
@@ -129,8 +129,8 @@ google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 h1:
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
 google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E=
 google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
-google.golang.org/protobuf v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA=
-google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+google.golang.org/protobuf v1.35.2 h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io=
+google.golang.org/protobuf v1.35.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

infra/conf/common.go

@@ -42,6 +42,10 @@ type Address struct {
 	net.Address
 }
 
+func (v Address) MarshalJSON() ([]byte, error) {
+	return json.Marshal(v.Address.String())
+}
+
 func (v *Address) UnmarshalJSON(data []byte) error {
 	var rawStr string
 	if err := json.Unmarshal(data, &rawStr); err != nil {

infra/conf/dns_test.go

@@ -2,57 +2,15 @@ package conf_test
 
 import (
 	"encoding/json"
-	"os"
-	"path/filepath"
 	"testing"
 
 	"github.com/xtls/xray-core/app/dns"
-	"github.com/xtls/xray-core/app/router"
-	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/platform"
-	"github.com/xtls/xray-core/common/platform/filesystem"
 	. "github.com/xtls/xray-core/infra/conf"
 	"google.golang.org/protobuf/proto"
 )
 
-func init() {
-	wd, err := os.Getwd()
-	common.Must(err)
-
-	if _, err := os.Stat(platform.GetAssetLocation("geoip.dat")); err != nil && os.IsNotExist(err) {
-		common.Must(filesystem.CopyFile(platform.GetAssetLocation("geoip.dat"), filepath.Join(wd, "..", "..", "resources", "geoip.dat")))
-	}
-
-	geositeFilePath := filepath.Join(wd, "geosite.dat")
-	os.Setenv("xray.location.asset", wd)
-	geositeFile, err := os.OpenFile(geositeFilePath, os.O_CREATE|os.O_WRONLY, 0o600)
-	common.Must(err)
-	defer geositeFile.Close()
-
-	list := &router.GeoSiteList{
-		Entry: []*router.GeoSite{
-			{
-				CountryCode: "TEST",
-				Domain: []*router.Domain{
-					{Type: router.Domain_Full, Value: "example.com"},
-				},
-			},
-		},
-	}
-
-	listBytes, err := proto.Marshal(list)
-	common.Must(err)
-	common.Must2(geositeFile.Write(listBytes))
-}
-
 func TestDNSConfigParsing(t *testing.T) {
-	geositePath := platform.GetAssetLocation("geosite.dat")
-	defer func() {
-		os.Remove(geositePath)
-		os.Unsetenv("xray.location.asset")
-	}()
-
 	parserCreator := func() func(string) (proto.Message, error) {
 		return func(s string) (proto.Message, error) {
 			config := new(DNSConfig)

infra/conf/router_test.go

@@ -2,6 +2,7 @@ package conf_test
 
 import (
 	"encoding/json"
+	"fmt"
 	"os"
 	"path/filepath"
 	"testing"
@@ -18,21 +19,44 @@ import (
 	"google.golang.org/protobuf/proto"
 )
 
-func init() {
-	wd, err := os.Getwd()
-	common.Must(err)
-
-	if _, err := os.Stat(platform.GetAssetLocation("geoip.dat")); err != nil && os.IsNotExist(err) {
-		common.Must(filesystem.CopyFile(platform.GetAssetLocation("geoip.dat"), filepath.Join(wd, "..", "..", "resources", "geoip.dat")))
+func getAssetPath(file string) (string, error) {
+	path := platform.GetAssetLocation(file)
+	_, err := os.Stat(path)
+	if os.IsNotExist(err) {
+		path := filepath.Join("..", "..", "resources", file)
+		_, err := os.Stat(path)
+		if os.IsNotExist(err) {
+			return "", fmt.Errorf("can't find %s in standard asset locations or {project_root}/resources", file)
+		}
+		if err != nil {
+			return "", fmt.Errorf("can't stat %s: %v", path, err)
+		}
+		return path, nil
+	}
+	if err != nil {
+		return "", fmt.Errorf("can't stat %s: %v", path, err)
 	}
 
-	os.Setenv("xray.location.asset", wd)
+	return path, nil
 }
 
 func TestToCidrList(t *testing.T) {
-	t.Log(os.Getenv("xray.location.asset"))
+	tempDir, err := os.MkdirTemp("", "test-")
+	if err != nil {
+		t.Fatalf("can't create temp dir: %v", err)
+	}
+	defer os.RemoveAll(tempDir)
 
-	common.Must(filesystem.CopyFile(platform.GetAssetLocation("geoiptestrouter.dat"), "geoip.dat"))
+	geoipPath, err := getAssetPath("geoip.dat")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	common.Must(filesystem.CopyFile(filepath.Join(tempDir, "geoip.dat"), geoipPath))
+	common.Must(filesystem.CopyFile(filepath.Join(tempDir, "geoiptestrouter.dat"), geoipPath))
+
+	os.Setenv("xray.location.asset", tempDir)
+	defer os.Unsetenv("xray.location.asset")
 
 	ips := StringList([]string{
 		"geoip:us",
@@ -44,7 +68,7 @@ func TestToCidrList(t *testing.T) {
 		"ext-ip:geoiptestrouter.dat:!ca",
 	})
 
-	_, err := ToCidrList(ips)
+	_, err = ToCidrList(ips)
 	if err != nil {
 		t.Fatalf("Failed to parse geoip list, got %s", err)
 	}

infra/conf/transport_internet.go

@@ -235,6 +235,7 @@ type SplitHTTPConfig struct {
 	DownloadSettings     *StreamConfig     `json:"downloadSettings"`
 	Mode                 string            `json:"mode"`
 	Extra                json.RawMessage   `json:"extra"`
+	NoGRPCHeader         bool              `json:"noGRPCHeader"`
 }
 
 type Xmux struct {
@@ -322,6 +323,7 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 		XPaddingBytes:        splithttpNewRandRangeConfig(c.XPaddingBytes),
 		Xmux:                 &muxProtobuf,
 		Mode:                 c.Mode,
+		NoGRPCHeader:         c.NoGRPCHeader,
 	}
 	var err error
 	if c.DownloadSettings != nil {

proxy/vmess/validator.go

@@ -81,7 +81,7 @@ func (v *TimedUserValidator) GetAEAD(userHash []byte) (*protocol.MemoryUser, boo
 	if err != nil {
 		return nil, false, err
 	}
-	return userd.(*protocol.MemoryUser), true, err
+	return userd.(*protocol.MemoryUser), true, nil
 }
 
 func (v *TimedUserValidator) Remove(email string) bool {

proxy/wireguard/server.go

@@ -144,15 +144,20 @@ func (s *Server) forwardConnection(dest net.Destination, conn net.Conn) {
 		Reason: "",
 	})
 
-	if s.info.inboundTag != nil {
-		ctx = session.ContextWithInbound(ctx, s.info.inboundTag)
-	}
-	if s.info.outboundTag != nil {
-		ctx = session.ContextWithOutbounds(ctx, []*session.Outbound{s.info.outboundTag})
-	}
-	if s.info.contentTag != nil {
-		ctx = session.ContextWithContent(ctx, s.info.contentTag)
-	}
+	// what's this?
+	// Session information should not be shared between different connections
+	// why reuse them in server level? This will cause incorrect destoverride and unexpected routing behavior.
+	// Disable it temporarily. Maybe s.info should be removed.
+
+	//  if s.info.inboundTag != nil {
+	//  ctx = session.ContextWithInbound(ctx, s.info.inboundTag)
+	//  }
+	//	if s.info.outboundTag != nil {
+	//		ctx = session.ContextWithOutbounds(ctx, []*session.Outbound{s.info.outboundTag})
+	//	}
+	//  if s.info.contentTag != nil {
+	//	    ctx = session.ContextWithContent(ctx, s.info.contentTag)
+	//  }
 
 	link, err := s.info.dispatcher.Dispatch(ctx, dest)
 	if err != nil {

proxy/wireguard/tun_linux.go

@@ -4,16 +4,18 @@ package wireguard
 
 import (
 	"context"
-	"errors"
+	goerrors "errors"
 	"fmt"
 	"net"
 	"net/netip"
 	"os"
+	"sync"
 
 	"golang.org/x/sys/unix"
 
 	"github.com/sagernet/sing/common/control"
 	"github.com/vishvananda/netlink"
+	"github.com/xtls/xray-core/common/errors"
 	wgtun "golang.zx2c4.com/wireguard/tun"
 )
 
@@ -27,6 +29,23 @@ type deviceNet struct {
 	rules     []*netlink.Rule
 }
 
+var (
+	tableIndex int = 10230
+	mu         sync.Mutex
+)
+
+func allocateIPv6TableIndex() int {
+	mu.Lock()
+	defer mu.Unlock()
+
+	if tableIndex > 10230 {
+		errors.LogInfo(context.Background(), "allocate new ipv6 table index: ", tableIndex)
+	}
+	currentIndex := tableIndex
+	tableIndex++
+	return currentIndex
+}
+
 func newDeviceNet(interfaceName string) *deviceNet {
 	var dialer net.Dialer
 	bindControl := control.BindToInterface(control.NewDefaultInterfaceFinder(), interfaceName, -1)
@@ -68,7 +87,7 @@ func (d *deviceNet) Close() (err error) {
 	if len(errs) == 0 {
 		return nil
 	}
-	return errors.Join(errs...)
+	return goerrors.Join(errs...)
 }
 
 func createKernelTun(localAddresses []netip.Addr, mtu int, handler promiscuousModeHandler) (t Tunnel, err error) {
@@ -138,7 +157,7 @@ func createKernelTun(localAddresses []netip.Addr, mtu int, handler promiscuousMo
 		}
 	}
 
-	ipv6TableIndex := 1023
+	ipv6TableIndex := allocateIPv6TableIndex()
 	if v6 != nil {
 		r := &netlink.Route{Table: ipv6TableIndex}
 		for {

transport/internet/http/config.go

@@ -8,7 +8,7 @@ import (
 
 func (c *Config) getHosts() []string {
 	if len(c.Host) == 0 {
-		return []string{"www.example.com"}
+		return []string{""}
 	}
 	return c.Host
 }

transport/internet/http/dialer.go

@@ -215,9 +215,16 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 		}
 	}
 
+	Host := httpSettings.getRandomHost()
+	if Host == "" && net.ParseAddress(dest.NetAddr()).Family().IsDomain() {
+		Host = dest.Address.String()
+	} else if Host == "" {
+		Host = "www.example.com"
+	}
+
 	request := &http.Request{
 		Method: httpMethod,
-		Host:   httpSettings.getRandomHost(),
+		Host:   Host,
 		Body:   breader,
 		URL: &url.URL{
 			Scheme: "https",

transport/internet/reality/reality.go

@@ -255,7 +255,7 @@ func UClient(c net.Conn, config *Config, ctx context.Context, dest net.Destinati
 			// Do not close the connection
 		}()
 		time.Sleep(time.Duration(randBetween(config.SpiderY[8], config.SpiderY[9])) * time.Millisecond) // return
-		return nil, errors.New("REALITY: processed invalid connection")
+		return nil, errors.New("REALITY: processed invalid connection").AtWarning()
 	}
 	return uConn, nil
 }

transport/internet/splithttp/client.go

@@ -46,6 +46,9 @@ func (c *DefaultDialerClient) OpenUpload(ctx context.Context, baseURL string) io
 	reader, writer := io.Pipe()
 	req, _ := http.NewRequestWithContext(ctx, "POST", baseURL, reader)
 	req.Header = c.transportConfig.GetRequestHeader()
+	if !c.transportConfig.NoGRPCHeader {
+		req.Header.Set("Content-Type", "application/grpc")
+	}
 	go c.client.Do(req)
 	return writer
 }

transport/internet/splithttp/config.pb.go

@@ -37,6 +37,7 @@ type Config struct {
 	Xmux                 *Multiplexing          `protobuf:"bytes,9,opt,name=xmux,proto3" json:"xmux,omitempty"`
 	DownloadSettings     *internet.StreamConfig `protobuf:"bytes,10,opt,name=downloadSettings,proto3" json:"downloadSettings,omitempty"`
 	Mode                 string                 `protobuf:"bytes,11,opt,name=mode,proto3" json:"mode,omitempty"`
+	NoGRPCHeader         bool                   `protobuf:"varint,12,opt,name=noGRPCHeader,proto3" json:"noGRPCHeader,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -146,6 +147,13 @@ func (x *Config) GetMode() string {
 	return ""
 }
 
+func (x *Config) GetNoGRPCHeader() bool {
+	if x != nil {
+		return x.NoGRPCHeader
+	}
+	return false
+}
+
 type RandRangeConfig struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -278,7 +286,7 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
 	0x72, 0x6e, 0x65, 0x74, 0x2e, 0x73, 0x70, 0x6c, 0x69, 0x74, 0x68, 0x74, 0x74, 0x70, 0x1a, 0x1f,
 	0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e,
 	0x65, 0x74, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22,
-	0x96, 0x06, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x68, 0x6f,
+	0xba, 0x06, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x68, 0x6f,
 	0x73, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x68, 0x6f, 0x73, 0x74, 0x12, 0x12,
 	0x0a, 0x04, 0x70, 0x61, 0x74, 0x68, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x70, 0x61,
 	0x74, 0x68, 0x12, 0x4d, 0x0a, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18, 0x03, 0x20, 0x03,
@@ -323,47 +331,50 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
 	0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x53, 0x74, 0x72, 0x65, 0x61,
 	0x6d, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x10, 0x64, 0x6f, 0x77, 0x6e, 0x6c, 0x6f, 0x61,
 	0x64, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x12, 0x12, 0x0a, 0x04, 0x6d, 0x6f, 0x64,
-	0x65, 0x18, 0x0b, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6d, 0x6f, 0x64, 0x65, 0x1a, 0x39, 0x0a,
-	0x0b, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03,
-	0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14,
-	0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76,
-	0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x22, 0x35, 0x0a, 0x0f, 0x52, 0x61, 0x6e, 0x64,
-	0x52, 0x61, 0x6e, 0x67, 0x65, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x66,
-	0x72, 0x6f, 0x6d, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x04, 0x66, 0x72, 0x6f, 0x6d, 0x12,
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+	0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

transport/internet/splithttp/config.proto

@@ -20,6 +20,7 @@ message Config {
   Multiplexing xmux = 9;
   xray.transport.internet.StreamConfig downloadSettings = 10;
   string mode = 11;
+  bool noGRPCHeader = 12;
 }
 
 message RandRangeConfig {

transport/internet/splithttp/dialer.go

@@ -312,9 +312,13 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 	}
 
 	mode := transportConfiguration.Mode
-	if mode == "auto" && realityConfig != nil {
-		mode = "stream-up"
+	if mode == "auto" {
+		mode = "packet-up"
+		if (tlsConfig != nil && len(tlsConfig.NextProtocol) != 1) || realityConfig != nil {
+			mode = "stream-up"
+		}
 	}
+	errors.LogInfo(ctx, "XHTTP is using mode: "+mode)
 	if mode == "stream-up" {
 		conn.writer = httpClient.OpenUpload(ctx, requestURL.String())
 		return stat.Connection(&conn), nil
@@ -324,7 +328,8 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 	// WithSizeLimit(0) will still allow single bytes to pass, and a lot of
 	// code relies on this behavior. Subtract 1 so that together with
 	// uploadWriter wrapper, exact size limits can be enforced
-	uploadPipeReader, uploadPipeWriter := pipe.New(pipe.WithSizeLimit(maxUploadSize - 1))
+	// uploadPipeReader, uploadPipeWriter := pipe.New(pipe.WithSizeLimit(maxUploadSize - 1))
+	uploadPipeReader, uploadPipeWriter := pipe.New(pipe.WithSizeLimit(maxUploadSize - buf.Size))
 
 	conn.writer = uploadWriter{
 		uploadPipeWriter,
@@ -400,10 +405,12 @@ type uploadWriter struct {
 }
 
 func (w uploadWriter) Write(b []byte) (int, error) {
-	capacity := int(w.maxLen - w.Len())
-	if capacity > 0 && capacity < len(b) {
-		b = b[:capacity]
-	}
+	/*
+		capacity := int(w.maxLen - w.Len())
+		if capacity > 0 && capacity < len(b) {
+			b = b[:capacity]
+		}
+	*/
 
 	buffer := buf.New()
 	n, err := buffer.Write(b)

transport/internet/splithttp/splithttp_test.go

@@ -424,8 +424,8 @@ func Test_maxUpload(t *testing.T) {
 		ProtocolSettings: &Config{
 			Path: "/sh",
 			ScMaxEachPostBytes: &RandRangeConfig{
-				From: 100,
-				To:   100,
+				From: 10000,
+				To:   10000,
 			},
 		},
 	}
@@ -434,7 +434,7 @@ func Test_maxUpload(t *testing.T) {
 	listen, err := ListenSH(context.Background(), net.LocalHostIP, listenPort, streamSettings, func(conn stat.Connection) {
 		go func(c stat.Connection) {
 			defer c.Close()
-			var b [1024]byte
+			var b [10240]byte
 			c.SetReadDeadline(time.Now().Add(2 * time.Second))
 			n, err := c.Read(b[:])
 			if err != nil {
@@ -452,11 +452,11 @@ func Test_maxUpload(t *testing.T) {
 	conn, err := Dial(ctx, net.TCPDestination(net.DomainAddress("localhost"), listenPort), streamSettings)
 
 	// send a slightly too large upload
-	var upload [101]byte
+	var upload [10001]byte
 	_, err = conn.Write(upload[:])
 	common.Must(err)
 
-	var b [1024]byte
+	var b [10240]byte
 	n, _ := io.ReadFull(conn, b[:])
 	fmt.Println("string is", n)
 	if string(b[:n]) != "Response" {
@@ -464,7 +464,7 @@ func Test_maxUpload(t *testing.T) {
 	}
 	common.Must(conn.Close())
 
-	if uploadSize > 100 || uploadSize == 0 {
+	if uploadSize > 10000 || uploadSize == 0 {
 		t.Error("incorrect upload size: ", uploadSize)
 	}
 

transport/internet/tls/config_other.go

@@ -51,5 +51,5 @@ func (c *Config) getCertPool() (*x509.CertPool, error) {
 			return nil, errors.New("append cert to root").AtWarning().Base(err)
 		}
 	}
-	return pool, err
+	return pool, nil
 }