chore: bump go-gost/x to v0.13.12

Adds an e2e suite (tests/e2e/utls_test.go + testdata/utls/*)
that exercises the utls dialer in a forward-proxy chain:

  curl -> client gost (http proxy :8080)
       -> chain node (http connector + utls dialer)
         -> server gost (http over TLS listener :8443)
           -> tcp-echo

Two cases:

- TestUTLSInsecure: regression for go-gost/gost#887. A utls
  dialer with `secure: false` must still complete the handshake
  (InsecureSkipVerify must be honoured). The old unsafe cast read
  garbage for InsecureSkipVerify and the handshake failed.
- TestUTLSSecureWithCA: exercises the converter's RootCAs /
  ServerName path with a CA-signed server cert.

Uses the deterministic `Chrome` fingerprint (not `randomized`, which
randomises the ClientHello and is flaky against a standard Go TLS
server).

Bumps github.com/go-gost/x to v0.13.11, which fixes the
second half of #887: the curve-preference enum divergence between
crypto/tls and utls (Go 1.24+ appends PQC hybrid curves that
utls does not define).

Related: go-gost/gost#887, go-gost/x#111, go-gost/x#112

.github/workflows/buildx.yml

@@ -10,50 +10,42 @@ on:
     tags:
     - 'v*'
 
+permissions:
+  contents: read
+
+# New pushes cancel an in-progress build for the same ref. Tags are isolated
+# by ref, so re-pushing a release tag only de-dupes itself, never another tag.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - name: Prepare
-      id: prepare
-      run: |
-        DOCKER_IMAGE=${{ secrets.DOCKER_IMAGE }}
-        VERSION=latest
+    - name: Checkout
+      uses: actions/checkout@v4
 
-        # If this is git tag, use the tag name as a docker tag
-        if [[ $GITHUB_REF == refs/tags/* ]]; then
-          VERSION=${GITHUB_REF#refs/tags/v}
-        fi
-        TAGS="${DOCKER_IMAGE}:${VERSION}"
-
-        # If the VERSION looks like a version number, assume that
-        # this is the most recent version of the image and also
-        # tag it 'latest'.
-        if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
-          MAJOR_VERSION=`echo $VERSION | awk '{split($0,a,"."); print a[1]}'`
-          MINOR_VERSION=`echo $VERSION | awk '{split($0,a,"."); print a[2]}'`
-          TAGS="$TAGS,${DOCKER_IMAGE}:${MAJOR_VERSION},${DOCKER_IMAGE}:${MAJOR_VERSION}.${MINOR_VERSION},${DOCKER_IMAGE}:latest"
-        fi
-
-        # Set output parameters.
-        echo "tags=${TAGS}" >> $GITHUB_OUTPUT
-        echo "docker_image=${DOCKER_IMAGE}" >> $GITHUB_OUTPUT
-        echo "docker_platforms=linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64/v8,linux/s390x,linux/riscv64" >> $GITHUB_OUTPUT
+    # Auto-generates image tags, replacing the former hand-rolled shell:
+    #   - master push                         -> :latest
+    #   - clean release tag vX.Y.Z             -> :X.Y.Z :X :X.Y :latest
+    #   - nightly tag vX.Y.Z-nightly.<date>    -> :X.Y.Z-nightly.<date>   (no major/minor/latest)
+    - name: Docker meta
+      id: meta
+      uses: docker/metadata-action@v5
+      with:
+        images: ${{ secrets.DOCKER_IMAGE }}
+        flavor: latest=false
+        tags: |
+          type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) || (startsWith(github.ref, 'refs/tags/v') && !contains(github.ref_name, '-')) }}
+          type=semver,pattern={{version}}
+          type=semver,pattern={{major}},enable=${{ !contains(github.ref_name, '-') }}
+          type=semver,pattern={{major}}.{{minor}},enable=${{ !contains(github.ref_name, '-') }}
 
     - name: Set up Docker Buildx
       id: buildx
       uses: docker/setup-buildx-action@v3
 
-    - name: Environment
-      run: |
-        echo home=$HOME
-        echo git_ref=$GITHUB_REF
-        echo git_sha=$GITHUB_SHA
-        echo image=${{ steps.prepare.outputs.docker_image }}
-        echo tags=${{ steps.prepare.outputs.tags }}
-        echo platforms=${{ steps.prepare.outputs.docker_platforms }}
-        echo avail_platforms=${{ steps.buildx.outputs.platforms }}
-
     - name: Login to DockerHub
       if: github.event_name != 'pull_request'
       uses: docker/login-action@v3
@@ -64,6 +56,9 @@ jobs:
     - name: Buildx and push
       uses: docker/build-push-action@v6
       with:
-        platforms: ${{ steps.prepare.outputs.docker_platforms }}
+        platforms: linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64/v8,linux/s390x,linux/riscv64
         push: true
-        tags: ${{ steps.prepare.outputs.tags }}
+        tags: ${{ steps.meta.outputs.tags }}
+        # Reuse build layers across runs via the GitHub Actions cache.
+        cache-from: type=gha
+        cache-to: type=gha,mode=max

.github/workflows/release.yml

@@ -8,8 +8,11 @@ on:
 
 permissions:
   contents: write
-  # packages: write
-  # issues: write
+
+# Never cancel an in-flight release; only de-dupe a re-pushed tag.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
 
 jobs:
   goreleaser:
@@ -21,14 +24,9 @@ jobs:
       - run: git fetch --force --tags
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.24'
+          go-version: '1.26'
           cache: true
-      - name: Install UPX
-        uses: crazy-max/ghaction-upx@v3
-        with:
-          install-only: true
-      # More assembly might be required: Docker logins, GPG, etc. It all depends
-      # on your needs.
+      # UPX is disabled in .goreleaser.yaml (see #863); the install step was removed.
       - uses: goreleaser/goreleaser-action@v6
         with:
           # either 'goreleaser' (default) or 'goreleaser-pro':

.github/workflows/trigger-nightly.yml

@@ -6,6 +6,11 @@ on:
     - cron:  '00 15 * * *'
   workflow_dispatch:
 
+# Only one nightly run at a time; a new run cancels a stale one.
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: true
+
 jobs:
   check_date:
     runs-on: ubuntu-latest
@@ -17,10 +22,12 @@ jobs:
       - name: print latest_commit
         run: echo ${{ github.sha }}
       - id: should_run
-        continue-on-error: true
-        name: check latest commit is less than a day
+        name: Skip if no commit in the last 24 hours
         if: ${{ github.event_name == 'schedule' }}
-        run: test -z $(git rev-list --after="24 hours" ${{ github.sha }}) && echo "should_run=false" >> $GITHUB_OUTPUT
+        run: |
+          if [ "$(git rev-list --count --after='24 hours' ${{ github.sha }})" -eq 0 ]; then
+            echo "should_run=false" >> $GITHUB_OUTPUT
+          fi
 
   trigger-nightly:
     needs: check_date
@@ -52,10 +59,13 @@ jobs:
           git tag -a $TAG -m "$TAG: nightly build"
           git push origin $TAG
       - name: 'Clean up nightly releases'
-        uses: dev-drprasad/delete-older-releases@v0.3.3
-        with:
-          keep_latest: 2
-          delete_tags: true
-          delete_tag_pattern: nightly
         env:
-          GITHUB_TOKEN: ${{ secrets.NIGHTLY_BUILD_GH_TOKEN }}
+          GH_TOKEN: ${{ secrets.NIGHTLY_BUILD_GH_TOKEN }}
+        run: |
+          # Keep the 2 most recent nightly releases; delete the rest and their tags.
+          # Replaces the archived dev-drprasad/delete-older-releases action.
+          gh release list --json tagName,createdAt --limit 100 \
+            --jq '[.[] | select(.tagName | test("nightly"))] | sort_by(.createdAt) | reverse | .[2:] | .[].tagName' \
+            | while read -r tag; do
+                gh release delete "$tag" --yes --cleanup-tag || true
+              done

.gitignore

@@ -32,9 +32,10 @@ _testmain.go
 *.bak
 
 cmd/gost/gost
+gost
 snap
 
 *.pem
-*.yaml
+/*.yaml
 *.txt
 dist/

.goreleaser.yaml

@@ -35,69 +35,15 @@ builds:
       - windows_amd64
       - windows_amd64_v3
       - windows_arm64
+      - android_arm64
     ldflags:
       - "-s -w -X 'main.version={{ .Tag }}'"
 
 upx:
-  - # Whether to enable it or not.
-    #
-    # Templates: allowed.
-    enabled: true
-
-    # Filter by build ID.
-    # ids: [build1, build2]
-
-    # Filter by GOOS.
-    goos: [linux]
-
-    # Filter by GOARCH.
-    goarch: [arm, arm64, amd64]
-
-    # Filter by GOARM.
-    # goarm: [8]
-
-    # Filter by GOAMD64.
-    # goamd64: [v1]
-
-    # Compress argument.
-    # Valid options are from '1' (faster) to '9' (better), and 'best'.
-    compress: best
-
-    # Whether to try LZMA (slower).
-    lzma: true
-
-    # Whether to try all methods and filters (slow).
-    brute: true
-
-  - # Whether to enable it or not.
-    #
-    # Templates: allowed.
-    enabled: true
-
-    # Filter by build ID.
-    # ids: [build1, build2]
-
-    # Filter by GOOS.
-    goos: [windows]
-
-    # Filter by GOARCH.
-    goarch: [amd64]
-
-    # Filter by GOARM.
-    # goarm: [8]
-
-    # Filter by GOAMD64.
-    # goamd64: [v1]
-
-    # Compress argument.
-    # Valid options are from '1' (faster) to '9' (better), and 'best'.
-    compress: best
-
-    # Whether to try LZMA (slower).
-    lzma: true
-
-    # Whether to try all methods and filters (slow).
-    brute: true
+  - # UPX compression. Disabled by default (see #863): upx --best/--lzma/--brute
+    # adds ~3s startup time on low-spec systems (linux/arm). Release builds can
+    # opt in via GORELEASER_UPX=true environment variable.
+    enabled: false
 
 archives:
   - format: tar.gz

CLAUDE.md

@@ -0,0 +1,66 @@
+# CLAUDE.md — gost/
+
+CLI binary entry point for GOST (GO Simple Tunnel). This module compiles the `gost` command.
+
+## Build & Run
+
+```bash
+cd gost && go build ./cmd/gost/...
+
+# Cross-compile
+CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" ./cmd/gost/...
+
+# Build all platforms
+make all
+
+# Run
+./gost -L "http://:8080" -F "socks5://:1080"
+./gost -C gost.yml
+```
+
+## Structure
+
+| File | Purpose |
+|------|---------|
+| `cmd/gost/main.go` | CLI entry point: flag parsing, multi-worker mode (`--` separator), program launch via `svc.Run` |
+| `cmd/gost/program.go` | Service lifecycle (`Init`/`Start`/`Stop`), config loading, API/metrics/profiling servers, SIGHUP reload |
+| `cmd/gost/register.go` | Blank imports for all built-in handlers, listeners, dialers, connectors — triggers `init()` registration |
+| `cmd/gost/version.go` | Version string (`3.3.0`) |
+
+## CLI Flags
+
+| Flag | Usage |
+|------|-------|
+| `-L` | Inline service definition (repeatable) |
+| `-F` | Inline chain node definition (repeatable) |
+| `-C` | Path to config file (YAML/JSON) |
+| `-D` / `-DD` | Debug / trace logging |
+| `-api` | API service address (e.g. `:8080`) |
+| `-metrics` | Prometheus metrics address |
+| `-O` | Output merged config as yaml or json, then exit |
+| `-V` | Print version and exit |
+
+## Multi-Worker Mode
+
+Arguments separated by ` -- ` spawn multiple worker processes via `exec.CommandContext`. Each worker runs as a child process with `_GOST_ID` set. Any worker's exit cancels all others. This is triggered in `init()` before flag parsing.
+
+## Service Lifecycle
+
+- `Init` → calls `parser.Init()` with all CLI/config inputs
+- `Start` → `parser.Parse()` → `loader.Load()` → `p.run()` (starts services, API, metrics, profiling)
+- `Stop` → cancels reload context, closes all services
+- SIGHUP → `reloadConfig()` re-parses and re-runs without restarting the process
+
+## Key Dependencies
+
+- `github.com/go-gost/core` — interface definitions
+- `github.com/go-gost/x` — all implementations, config, registry
+- `github.com/judwhite/go-svc` — OS service framework (handles daemon/SIGHUP/SIGTERM)
+
+## Registration Pattern
+
+All components register via `init()` side-effects in their packages. `cmd/gost/register.go` triggers them with blank imports. When adding a new built-in handler/listener/dialer/connector, add a blank import here.
+
+## Tests
+
+Tests are in `tests/e2e/` — integration tests using the built binary. No unit tests. Run with `go test ./tests/e2e/...`.

Dockerfile

@@ -1,9 +1,11 @@
 FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.6.1 AS xx
 
-FROM --platform=$BUILDPLATFORM golang:1.24-alpine3.22 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.26-alpine3.23 AS builder
 
-# add upx for binary compression
-RUN apk add --no-cache upx || echo "upx not found"
+# UPX compression disabled by default (see #863): upx --best adds ~3s startup
+# time on low-spec systems (linux/arm). Builds can opt in by uncommenting the
+# upx install line and adding upx --best to the build command below.
+# RUN apk add --no-cache upx || echo "upx not found"
 
 COPY --from=xx / /
 
@@ -21,13 +23,12 @@ COPY . .
 
 RUN cd cmd/gost && \
     xx-go build -ldflags "-s -w" && \
-    xx-verify gost && \
-    { upx --best gost || true; }
+    xx-verify gost
 
-FROM alpine:3.22
+FROM alpine:3.23
 
-# add iptables for tun/tap
-RUN apk add --no-cache iptables
+# add iptables/nftables for tun/tap
+RUN apk add --no-cache iptables nftables
 
 WORKDIR /bin/
 

cmd/gost/main.go

@@ -11,6 +11,8 @@ import (
 	"runtime"
 	"strings"
 	"sync"
+	"sync/atomic"
+	"time"
 
 	"github.com/go-gost/core/logger"
 	xlogger "github.com/go-gost/x/logger"
@@ -28,7 +30,7 @@ func (l *stringList) Set(value string) error {
 }
 
 var (
-	cfgFile      string
+	cfgFiles     stringList
 	outputFormat string
 	services     stringList
 	nodes        stringList
@@ -36,6 +38,7 @@ var (
 	trace        bool
 	apiAddr      string
 	metricsAddr  string
+	reload       time.Duration
 )
 
 func init() {
@@ -46,39 +49,43 @@ func init() {
 	if strings.Contains(args, " -- ") {
 		var (
 			wg  sync.WaitGroup
-			ret int
+			ret atomic.Int32
 		)
 
-		ctx, cancel := context.WithCancel(context.Background())
-		defer cancel()
+		wargsList := strings.Split(" "+args+" ", " -- ")
 
-		for wid, wargs := range strings.Split(" "+args+" ", " -- ") {
-			wg.Add(1)
-			go func(wid int, wargs string) {
-				defer wg.Done()
-				defer cancel()
-				worker(wid, strings.Split(wargs, "  "), &ctx, &ret)
-			}(wid, strings.TrimSpace(wargs))
+		ctx, cancel := context.WithCancel(context.Background())
+
+		for wid, wargs := range wargsList {
+			wg.Go(func() {
+				worker(wid, strings.Split(strings.TrimSpace(wargs), "  "), ctx, &ret)
+			})
 		}
 
 		wg.Wait()
+		cancel()
 
-		os.Exit(ret)
+		os.Exit(int(ret.Load()))
 	}
 }
 
-func worker(id int, args []string, ctx *context.Context, ret *int) {
-	cmd := exec.CommandContext(*ctx, os.Args[0], args...)
+func worker(id int, args []string, ctx context.Context, ret *atomic.Int32) {
+	cmd := exec.CommandContext(ctx, os.Args[0], args...)
 
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
 	cmd.Env = append(os.Environ(), fmt.Sprintf("_GOST_ID=%d", id))
 
 	if err := cmd.Run(); err != nil {
+		// Context cancellation is expected when one worker exits early.
+		// Only log fatal on other errors.
+		if ctx.Err() == nil {
 			log.Fatal(err)
 		}
-	if cmd.ProcessState.Exited() {
-		*ret = cmd.ProcessState.ExitCode()
+		return
+	}
+	if cmd.ProcessState != nil && cmd.ProcessState.Exited() {
+		ret.Store(int32(cmd.ProcessState.ExitCode()))
 	}
 }
 
@@ -87,13 +94,14 @@ func init() {
 
 	flag.Var(&services, "L", "service list")
 	flag.Var(&nodes, "F", "chain node list")
-	flag.StringVar(&cfgFile, "C", "", "configuration file")
+	flag.Var(&cfgFiles, "C", "config file(s), URL(s), or inline JSON")
 	flag.BoolVar(&printVersion, "V", false, "print version")
 	flag.StringVar(&outputFormat, "O", "", "output format, one of yaml|json format")
 	flag.BoolVar(&debug, "D", false, "debug mode")
 	flag.BoolVar(&trace, "DD", false, "trace mode")
 	flag.StringVar(&apiAddr, "api", "", "api service address")
 	flag.StringVar(&metricsAddr, "metrics", "", "metrics service address")
+	flag.DurationVar(&reload, "R", 0, "auto reload period (e.g. 30s, 1m)")
 	flag.Parse()
 
 	if printVersion {

cmd/gost/program.go

@@ -8,6 +8,7 @@ import (
 	"os/signal"
 	"strings"
 	"syscall"
+	"time"
 
 	"github.com/go-gost/core/auth"
 	"github.com/go-gost/core/logger"
@@ -34,7 +35,7 @@ type program struct {
 
 func (p *program) Init(env svc.Environment) error {
 	parser.Init(parser.Args{
-		CfgFile:     cfgFile,
+		CfgFiles:    cfgFiles,
 		Services:    services,
 		Nodes:       nodes,
 		Debug:       debug,
@@ -61,6 +62,12 @@ func (p *program) Start() error {
 
 	config.Set(cfg)
 
+	// Enable metrics before loading services so that listener wrappers
+	// can observe the enabled state at Init time.
+	if cfg.Metrics != nil && cfg.Metrics.Addr != "" {
+		xmetrics.Enable(true)
+	}
+
 	if err := loader.Load(cfg); err != nil {
 		return err
 	}
@@ -120,8 +127,6 @@ func (p *program) run(cfg *config.Config) error {
 
 		p.srvMetrics = s
 
-		xmetrics.Enable(true)
-
 		go func() {
 			defer s.Close()
 
@@ -193,6 +198,13 @@ func (p *program) reload(ctx context.Context) {
 	c := make(chan os.Signal, 1)
 	signal.Notify(c, syscall.SIGHUP)
 
+	var ticker <-chan time.Time
+	if reload > 0 {
+		t := time.NewTicker(reload)
+		defer t.Stop()
+		ticker = t.C
+	}
+
 	for {
 		select {
 		case <-c:
@@ -202,6 +214,13 @@ func (p *program) reload(ctx context.Context) {
 				logger.Default().Info("config reloaded")
 			}
 
+		case <-ticker:
+			if err := p.reloadConfig(); err != nil {
+				logger.Default().Errorf("auto reload: %v", err)
+			} else {
+				logger.Default().Debug("config auto reloaded")
+			}
+
 		case <-ctx.Done():
 			return
 		}

cmd/gost/register.go

@@ -6,6 +6,7 @@ import (
 	_ "github.com/go-gost/x/connector/forward"
 	_ "github.com/go-gost/x/connector/http"
 	_ "github.com/go-gost/x/connector/http2"
+	_ "github.com/go-gost/x/connector/masque"
 	_ "github.com/go-gost/x/connector/relay"
 	_ "github.com/go-gost/x/connector/router"
 	_ "github.com/go-gost/x/connector/serial"
@@ -27,6 +28,7 @@ import (
 	_ "github.com/go-gost/x/dialer/http2"
 	_ "github.com/go-gost/x/dialer/http2/h2"
 	_ "github.com/go-gost/x/dialer/http3"
+	_ "github.com/go-gost/x/dialer/http3/masque"
 	_ "github.com/go-gost/x/dialer/http3/wt"
 	_ "github.com/go-gost/x/dialer/icmp"
 	_ "github.com/go-gost/x/dialer/kcp"
@@ -44,6 +46,7 @@ import (
 	_ "github.com/go-gost/x/dialer/tls"
 	_ "github.com/go-gost/x/dialer/udp"
 	_ "github.com/go-gost/x/dialer/unix"
+	_ "github.com/go-gost/x/dialer/utls"
 	_ "github.com/go-gost/x/dialer/ws"
 
 	// Register handlers
@@ -56,6 +59,7 @@ import (
 	_ "github.com/go-gost/x/handler/http"
 	_ "github.com/go-gost/x/handler/http2"
 	_ "github.com/go-gost/x/handler/http3"
+	_ "github.com/go-gost/x/handler/masque"
 	_ "github.com/go-gost/x/handler/metrics"
 	_ "github.com/go-gost/x/handler/redirect/tcp"
 	_ "github.com/go-gost/x/handler/redirect/udp"
@@ -97,7 +101,9 @@ import (
 	_ "github.com/go-gost/x/listener/redirect/udp"
 	_ "github.com/go-gost/x/listener/rtcp"
 	_ "github.com/go-gost/x/listener/rudp"
+	_ "github.com/go-gost/x/listener/runix"
 	_ "github.com/go-gost/x/listener/serial"
+	_ "github.com/go-gost/x/listener/stdio"
 	_ "github.com/go-gost/x/listener/ssh"
 	_ "github.com/go-gost/x/listener/sshd"
 	_ "github.com/go-gost/x/listener/tap"

cmd/gost/version.go

@@ -1,5 +1,5 @@
 package main
 
 var (
-	version = "3.2.2"
+	version = "3.3.0"
 )

go.mod

@@ -1,44 +1,67 @@
 module github.com/go-gost/gost
 
-go 1.24
-
-toolchain go1.24.5
+go 1.26.3
 
 require (
-	github.com/go-gost/core v0.3.2
-	github.com/go-gost/x v0.7.2
+	github.com/go-gost/core v0.5.3
+	github.com/go-gost/x v0.13.12
 	github.com/judwhite/go-svc v1.2.1
+	github.com/moby/moby/client v0.4.0
+	github.com/stretchr/testify v1.11.1
+	github.com/testcontainers/testcontainers-go v0.42.0
 )
 
 require (
+	dario.cat/mergo v1.0.2 // indirect
+	github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c // indirect
+	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect
 	github.com/alessio/shellescape v1.4.1 // indirect
+	github.com/andybalholm/brotli v1.0.6 // indirect
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/bytedance/sonic v1.11.6 // indirect
-	github.com/bytedance/sonic/loader v0.1.1 // indirect
+	github.com/bytedance/gopkg v0.1.3 // indirect
+	github.com/bytedance/sonic v1.15.0 // indirect
+	github.com/bytedance/sonic/loader v0.5.0 // indirect
+	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/cloudwego/base64x v0.1.4 // indirect
-	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/cloudwego/base64x v0.1.6 // indirect
+	github.com/containerd/errdefs v1.0.0 // indirect
+	github.com/containerd/errdefs/pkg v0.3.0 // indirect
+	github.com/containerd/log v0.1.0 // indirect
+	github.com/containerd/platforms v0.2.1 // indirect
 	github.com/coreos/go-iptables v0.5.0 // indirect
+	github.com/cpuguy83/dockercfg v0.3.2 // indirect
 	github.com/danieljoos/wincred v1.2.0 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+	github.com/distribution/reference v0.6.0 // indirect
+	github.com/docker/go-connections v0.7.0 // indirect
+	github.com/docker/go-units v0.5.0 // indirect
+	github.com/dunglas/httpsfv v1.1.0 // indirect
+	github.com/ebitengine/purego v0.10.0 // indirect
+	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.12 // indirect
 	github.com/gin-contrib/cors v1.7.2 // indirect
-	github.com/gin-contrib/sse v0.1.0 // indirect
-	github.com/gin-gonic/gin v1.10.1 // indirect
-	github.com/go-gost/gosocks4 v0.0.1 // indirect
-	github.com/go-gost/gosocks5 v0.4.2 // indirect
-	github.com/go-gost/plugin v0.2.0 // indirect
-	github.com/go-gost/relay v0.5.0 // indirect
-	github.com/go-gost/tls-dissector v0.1.1 // indirect
+	github.com/gin-contrib/sse v1.1.0 // indirect
+	github.com/gin-gonic/gin v1.12.0 // indirect
+	github.com/go-gost/go-shadowsocks2 v0.1.3 // indirect
+	github.com/go-gost/gosocks4 v0.1.0 // indirect
+	github.com/go-gost/gosocks5 v0.5.0 // indirect
+	github.com/go-gost/plugin v0.5.0 // indirect
+	github.com/go-gost/relay v0.6.2 // indirect
+	github.com/go-gost/tls-dissector v0.2.0 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.20.0 // indirect
+	github.com/go-playground/validator/v10 v10.30.1 // indirect
 	github.com/go-redis/redis/v8 v8.11.5 // indirect
 	github.com/gobwas/glob v0.2.3 // indirect
-	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
+	github.com/goccy/go-yaml v1.19.2 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/google/btree v1.1.3 // indirect
@@ -50,37 +73,54 @@ require (
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/jonboulle/clockwork v0.2.2 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
+	github.com/klauspost/compress v1.19.0 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
 	github.com/klauspost/reedsolomon v1.11.8 // indirect
 	github.com/leodido/go-urn v1.4.0 // indirect
-	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
+	github.com/magiconair/properties v1.8.10 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/miekg/dns v1.1.61 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/moby/docker-image-spec v1.3.1 // indirect
+	github.com/moby/go-archive v0.2.0 // indirect
+	github.com/moby/moby/api v1.54.1 // indirect
+	github.com/moby/patternmatcher v0.6.1 // indirect
+	github.com/moby/sys/sequential v0.6.0 // indirect
+	github.com/moby/sys/user v0.4.0 // indirect
+	github.com/moby/sys/userns v0.1.0 // indirect
+	github.com/moby/term v0.5.2 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/opencontainers/go-digest v1.0.0 // indirect
+	github.com/opencontainers/image-spec v1.1.1 // indirect
 	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
-	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
-	github.com/pion/dtls/v2 v2.2.6 // indirect
-	github.com/pion/logging v0.2.2 // indirect
-	github.com/pion/transport/v2 v2.0.2 // indirect
-	github.com/pion/udp/v2 v2.0.1 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/pion/dtls/v3 v3.1.1 // indirect
+	github.com/pion/logging v0.2.4 // indirect
+	github.com/pion/transport/v4 v4.0.1 // indirect
 	github.com/pires/go-proxyproto v0.8.1 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
 	github.com/prometheus/client_golang v1.19.1 // indirect
 	github.com/prometheus/client_model v0.6.0 // indirect
 	github.com/prometheus/common v0.48.0 // indirect
 	github.com/prometheus/procfs v0.12.0 // indirect
-	github.com/quic-go/qpack v0.5.1 // indirect
-	github.com/quic-go/quic-go v0.53.0 // indirect
-	github.com/quic-go/webtransport-go v0.9.0 // indirect
+	github.com/quic-go/qpack v0.6.0 // indirect
+	github.com/quic-go/quic-go v0.59.1 // indirect
+	github.com/quic-go/webtransport-go v0.10.0 // indirect
+	github.com/refraction-networking/utls v1.8.2 // indirect
 	github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 // indirect
 	github.com/rs/xid v1.3.0 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
 	github.com/shadowsocks/go-shadowsocks2 v0.1.6-0.20241020092332-e1fe9ea73740 // indirect
-	github.com/sirupsen/logrus v1.9.3 // indirect
+	github.com/shirou/gopsutil/v3 v3.24.5 // indirect
+	github.com/shirou/gopsutil/v4 v4.26.3 // indirect
+	github.com/shoenig/go-m1cpu v0.1.6 // indirect
+	github.com/sirupsen/logrus v1.9.4 // indirect
 	github.com/songgao/water v0.0.0-20200317203138-2b4b6d7c09d8 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
 	github.com/spf13/afero v1.11.0 // indirect
@@ -91,8 +131,10 @@ require (
 	github.com/templexxx/cpu v0.1.1 // indirect
 	github.com/templexxx/xorsimd v0.4.3 // indirect
 	github.com/tjfoc/gmsm v1.4.1 // indirect
+	github.com/tklauser/go-sysconf v0.3.16 // indirect
+	github.com/tklauser/numcpus v0.11.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/ugorji/go/codec v1.2.12 // indirect
+	github.com/ugorji/go/codec v1.3.1 // indirect
 	github.com/vishvananda/netlink v1.1.1-0.20211118161826-650dca95af54 // indirect
 	github.com/vishvananda/netns v0.0.4 // indirect
 	github.com/vulcand/predicate v1.2.0 // indirect
@@ -101,25 +143,32 @@ require (
 	github.com/xtaci/smux v1.5.31 // indirect
 	github.com/xtaci/tcpraw v1.2.25 // indirect
 	github.com/yl2chen/cidranger v1.0.2 // indirect
+	github.com/yusufpapurcu/wmi v1.2.4 // indirect
 	github.com/zalando/go-keyring v0.2.4 // indirect
-	go.uber.org/mock v0.5.0 // indirect
+	github.com/zeebo/blake3 v0.2.4 // indirect
+	go.mongodb.org/mongo-driver/v2 v2.5.0 // indirect
+	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.60.0 // indirect
+	go.opentelemetry.io/otel v1.41.0 // indirect
+	go.opentelemetry.io/otel/metric v1.41.0 // indirect
+	go.opentelemetry.io/otel/trace v1.41.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/arch v0.8.0 // indirect
-	golang.org/x/crypto v0.40.0 // indirect
+	golang.org/x/arch v0.22.0 // indirect
+	golang.org/x/crypto v0.53.0 // indirect
 	golang.org/x/exp v0.0.0-20241210194714-1829a127f884 // indirect
-	golang.org/x/mod v0.25.0 // indirect
-	golang.org/x/net v0.42.0 // indirect
-	golang.org/x/sync v0.16.0 // indirect
-	golang.org/x/sys v0.34.0 // indirect
-	golang.org/x/term v0.33.0 // indirect
-	golang.org/x/text v0.27.0 // indirect
-	golang.org/x/time v0.11.0 // indirect
-	golang.org/x/tools v0.34.0 // indirect
+	golang.org/x/mod v0.36.0 // indirect
+	golang.org/x/net v0.56.0 // indirect
+	golang.org/x/sync v0.21.0 // indirect
+	golang.org/x/sys v0.46.0 // indirect
+	golang.org/x/term v0.44.0 // indirect
+	golang.org/x/text v0.38.0 // indirect
+	golang.org/x/time v0.12.0 // indirect
+	golang.org/x/tools v0.45.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
 	golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
-	google.golang.org/grpc v1.67.1 // indirect
-	google.golang.org/protobuf v1.35.1 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 // indirect
+	google.golang.org/grpc v1.79.3 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -1,28 +1,52 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+dario.cat/mergo v1.0.2 h1:85+piFYR1tMbRrLcDwR18y4UKJ3aH1Tbzi24VRW1TK8=
+dario.cat/mergo v1.0.2/go.mod h1:E/hbnu0NxMFBjpMIE34DRGLWqDy0g5FuKDhCb31ngxA=
+github.com/AdaLogics/go-fuzz-headers v0.0.0-20240806141605-e8a1dd7889d6 h1:He8afgbRMd7mFxO99hRNu+6tazq8nFF9lIwo9JFroBk=
+github.com/AdaLogics/go-fuzz-headers v0.0.0-20240806141605-e8a1dd7889d6/go.mod h1:8o94RPi1/7XTJvwPpRSzSUedZrtlirdB3r9Z20bi2f8=
+github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c h1:udKWzYgxTojEKWjV8V+WSxDXJ4NFATAsZjh8iIbsQIg=
+github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
+github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
 github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 h1:s6gZFSlWYmbqAuRjVTiNNhvNRfY2Wxp9nhfyel4rklc=
 github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE=
 github.com/alessio/shellescape v1.4.1 h1:V7yhSDDn8LP4lc4jS8pFkt0zCnzVJlG5JXy9BVKJUX0=
 github.com/alessio/shellescape v1.4.1/go.mod h1:PZAiSCk0LJaZkiCSkPv8qIobYglO3FPpyFjDCtHLS30=
+github.com/andybalholm/brotli v1.0.6 h1:Yf9fFpf49Zrxb9NlQaluyE92/+X7UVHlhMNJN2sxfOI=
+github.com/andybalholm/brotli v1.0.6/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
 github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d h1:Byv0BzEl3/e6D5CLfI0j/7hiIEtvGVFPCZ7Ei2oq8iQ=
 github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/bytedance/sonic v1.11.6 h1:oUp34TzMlL+OY1OUWxHqsdkgC/Zfc85zGqw9siXjrc0=
-github.com/bytedance/sonic v1.11.6/go.mod h1:LysEHSvpvDySVdC2f87zGWf6CIKJcAvqab1ZaiQtds4=
-github.com/bytedance/sonic/loader v0.1.1 h1:c+e5Pt1k/cy5wMveRDyk2X4B9hF4g7an8N3zCYjJFNM=
-github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
+github.com/bytedance/gopkg v0.1.3 h1:TPBSwH8RsouGCBcMBktLt1AymVo2TVsBVCY4b6TnZ/M=
+github.com/bytedance/gopkg v0.1.3/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
+github.com/bytedance/sonic v1.15.0 h1:/PXeWFaR5ElNcVE84U0dOHjiMHQOwNIx3K4ymzh/uSE=
+github.com/bytedance/sonic v1.15.0/go.mod h1:tFkWrPz0/CUCLEF4ri4UkHekCIcdnkqXw9VduqpJh0k=
+github.com/bytedance/sonic/loader v0.5.0 h1:gXH3KVnatgY7loH5/TkeVyXPfESoqSBSBEiDd5VjlgE=
+github.com/bytedance/sonic/loader v0.5.0/go.mod h1:AR4NYCk5DdzZizZ5djGqQ92eEhCCcdf5x77udYiSJRo=
+github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
+github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/0Y=
-github.com/cloudwego/base64x v0.1.4/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w=
-github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg=
-github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY=
+github.com/cloudwego/base64x v0.1.6 h1:t11wG9AECkCDk5fMSoxmufanudBtJ+/HemLstXDLI2M=
+github.com/cloudwego/base64x v0.1.6/go.mod h1:OFcloc187FXDaYHvrNIjxSe8ncn0OOM8gEHfghB2IPU=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
+github.com/containerd/errdefs v1.0.0 h1:tg5yIfIlQIrxYtu9ajqY42W3lpS19XqdxRQeEwYG8PI=
+github.com/containerd/errdefs v1.0.0/go.mod h1:+YBYIdtsnF4Iw6nWZhJcqGSg/dwvV7tyJ/kCkyJ2k+M=
+github.com/containerd/errdefs/pkg v0.3.0 h1:9IKJ06FvyNlexW690DXuQNx2KA2cUJXx151Xdx3ZPPE=
+github.com/containerd/errdefs/pkg v0.3.0/go.mod h1:NJw6s9HwNuRhnjJhM7pylWwMyAkmCQvQ4GpJHEqRLVk=
+github.com/containerd/log v0.1.0 h1:TCJt7ioM2cr/tfR8GPbGf9/VRAX8D2B4PjzCpfX540I=
+github.com/containerd/log v0.1.0/go.mod h1:VRRf09a7mHDIRezVKTRCrOq78v577GXq3bSa3EhrzVo=
+github.com/containerd/platforms v0.2.1 h1:zvwtM3rz2YHPQsF2CHYM8+KtB5dvhISiXh5ZpSBQv6A=
+github.com/containerd/platforms v0.2.1/go.mod h1:XHCb+2/hzowdiut9rkudds9bE5yJ7npe7dG/wG+uFPw=
 github.com/coreos/go-iptables v0.5.0 h1:mw6SAibtHKZcNzAsOxjoHIG0gy5YFHhypWSSNc6EjbQ=
 github.com/coreos/go-iptables v0.5.0/go.mod h1:/mVI274lEDI2ns62jHCDnCyBF9Iwsmekav8Dbxlm1MU=
+github.com/cpuguy83/dockercfg v0.3.2 h1:DlJTyZGBDlXqUZ2Dk2Q3xHs/FtnooJJVaad2S9GKorA=
+github.com/cpuguy83/dockercfg v0.3.2/go.mod h1:sugsbF4//dDlL/i+S+rtpIWp+5h0BHJHfjj5/jFyUJc=
+github.com/creack/pty v1.1.24 h1:bJrF4RRfyJnbTJqzRLHzcGaZK1NeM5kTC9jGgovnR1s=
+github.com/creack/pty v1.1.24/go.mod h1:08sCNb52WyoAwi2QDyzUCTgcvVFhUzewun7wtTfvcwE=
 github.com/danieljoos/wincred v1.2.0 h1:ozqKHaLK0W/ii4KVbbvluM91W2H3Sh0BncbUNPS7jLE=
 github.com/danieljoos/wincred v1.2.0/go.mod h1:FzQLLMKBFdvu+osBrnFODiv32YGwCfx0SkRa/eYHgec=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -31,52 +55,79 @@ github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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@@ -90,6 +141,8 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
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@@ -98,8 +151,9 @@ github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5a
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@@ -119,20 +173,22 @@ github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnr
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@@ -216,8 +304,9 @@ github.com/spf13/viper v1.19.0/go.mod h1:GQUN9bilAbhU/jgc1bKs99f/suXKeUMct8Adx5+
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@@ -225,22 +314,28 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
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@@ -260,25 +355,45 @@ github.com/xtaci/tcpraw v1.2.25 h1:VDlqo0op17JeXBM6e2G9ocCNLOJcw9mZbobMbJjo0vk=
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@@ -287,9 +402,8 @@ golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvx
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@@ -298,90 +412,73 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
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-golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.34.0 h1:qIpSLOxeCYGg9TrcJokLBG4KFA6d795g0xkBkiESGlo=
-golang.org/x/tools v0.34.0/go.mod h1:pAP9OwEaY1CAW3HOmg3hLZC5Z0CCmzjAF2UQMSqNARg=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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 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=
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 golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
 golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb h1:whnFRlWMcXI9d+ZbWg+4sHnLp52d5yiIPUxMBSt4X9A=
 golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb/go.mod h1:rpwXGsirqLqN2L0JDJQlwOboGHmptD5ZD6T2VmcqhTw=
+gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
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 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 h1:gRkg/vSppuSQoDjxyiGfN4Upv/h/DQmIR10ZU8dh4Ww=
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 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
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 google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E=
-google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
+google.golang.org/grpc v1.79.3 h1:sybAEdRIEtvcD68Gx7dmnwjZKlyfuc61Dyo9pGXXkKE=
+google.golang.org/grpc v1.79.3/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ=
 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=
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-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 v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
@@ -395,9 +492,11 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gotest.tools/v3 v3.5.2 h1:7koQfIKdy+I8UTetycgUqXWSDwpgv193Ka+qRsmBY8Q=
+gotest.tools/v3 v3.5.2/go.mod h1:LtdLGcnqToBH83WByAAi/wiwSFCArdFIUV/xxN4pcjA=
 gvisor.dev/gvisor v0.0.0-20250523182742-eede7a881b20 h1:0DxLu8hxI1OGp1qVRPqNd+2k1a7hMNUNqbZG0IrtKlM=
 gvisor.dev/gvisor v0.0.0-20250523182742-eede7a881b20/go.mod h1:3r5CMtNQMKIvBlrmM9xWUNamjKBYPOWyXOjmg5Kts3g=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50=
-rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
+pgregory.net/rapid v1.2.0 h1:keKAYRcjm+e1F0oAuU5F5+YPAWcyxNNRK2wud503Gnk=
+pgregory.net/rapid v1.2.0/go.mod h1:PY5XlDGj0+V1FCq0o192FdRhpKHGTRIWBgqjDBTrq04=

install.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Check Root User
 
@@ -42,7 +42,7 @@ install_gost() {
     armv7*)
         cpu_arch="armv7"
         ;;
-    aarch64)
+    aarch64|arm64)
         cpu_arch="arm64"
         ;;
     i686)
@@ -66,23 +66,22 @@ install_gost() {
         ;;
     esac
     get_download_url="$base_url/tags/$version"
-    download_url=$(curl -s "$get_download_url" | grep -Eo "\"browser_download_url\": \".*${os}.*${cpu_arch}.*\"" | awk -F'["]' '{print $4}')
+    download_url=$(curl -s "$get_download_url" | awk -F'"' -v re=".*${os}.*${cpu_arch}.*" '/"browser_download_url":/ && $4 ~ re { print $4 }' | head -n 1)
 
-    # Download the binary
-    echo "Downloading gost version $version..."
-    curl -fsSL -o gost.tar.gz $download_url
+    # Download and install the binary
+    install_path="/usr/local/bin"
+    echo "Downloading and installing gost version $version..."
+    curl -fsSL "$download_url" | tar -xzC "$install_path" gost
+    chmod +x "$install_path/gost"
 
-    # Extract and install the binary
-    echo "Installing gost..."
-    tar -xzf gost.tar.gz
-    chmod +x gost
-    mv gost /usr/local/bin/gost
+    # Remove binary from macOS quarantine when installing for first time
+    [[ "$os" == "darwin" ]] && { xattr -d com.apple.quarantine "$install_path/gost" 2>&-; }
 
     echo "gost installation completed!"
 }
 
 # Retrieve available versions from GitHub API
-versions=$(curl -s "$base_url" | grep -oP 'tag_name": "\K[^"]+')
+versions=$(curl -s "$base_url" | awk -F'"' '/"tag_name":/ {print $4}')
 
 # Check if --install option provided
 if [[ "$1" == "--install" ]]; then

tests/e2e/Dockerfile

@@ -0,0 +1,4 @@
+FROM alpine:3.22
+
+# add tools needed by e2e containers and health checks
+RUN apk add --no-cache iptables curl netcat-openbsd python3

tests/e2e/PLAN-HTTP.md

@@ -0,0 +1,276 @@
+# 执行计划：HTTP Handler E2E 测试 + utils.go 重构
+
+## 背景
+
+从 PLAN.md 的 Step 0 和 Step 1A 开始实施。HTTP proxy 是 gost 最基础的协议，目前 e2e 测试仅覆盖 shadowsocks 和 parallel selector。本计划先重构 utils.go 提取公共 helper，然后用 helper 写 HTTP handler 测试套件，最后同步重构 shadowsocks_test.go。
+
+## 变更文件清单
+
+| 文件 | 操作 | 说明 |
+|------|------|------|
+| `tests/e2e/utils.go` | 修改 | 新增 `RunTCPCase` / `RunUDPCase` |
+| `tests/e2e/http_test.go` | 新建 | HTTP proxy 测试套件 |
+| `tests/e2e/testdata/http/server.yaml` | 新建 | 无 auth 的 HTTP proxy 服务器 |
+| `tests/e2e/testdata/http/server_auth.yaml` | 新建 | 带 auth 的 HTTP proxy 服务器 |
+| `tests/e2e/shadowsocks_test.go` | 修改 | 重构为使用 `RunTCPCase` / `RunUDPCase` |
+
+---
+
+## Step 1: 修改 `utils.go` — 提取 RunTCPCase / RunUDPCase
+
+从 `shadowsocks_test.go` 的 `runTCPCase` 和 `runUDPCase` 提取为包级函数。关键差异：参数需要传入 echo container IP 和 echo container 本身（用于 dump logs）。
+
+### RunTCPCase 签名与逻辑
+
+```go
+// RunTCPCase runs a full TCP proxy test case:
+// start server → render client config → start client → curl assertion → cleanup.
+func RunTCPCase(t *testing.T, ctx context.Context, networkName, echoIP string,
+    name, serverConfig, clientConfig string)
+```
+
+逻辑（从 shadowsocks_test.go:132-160 提取，一字不差）：
+1. 生成 serverAlias = `name + "-server"`
+2. `RunGostContainerWithOptions(ctx, networkName, serverConfig, [serverAlias], ["8388/tcp"])`
+3. `defer serverC.Terminate(ctx)`
+4. `RenderConfig(clientConfig, {ServerAddr: serverAlias + ":8388"})`
+5. `defer os.Remove(rendered)`
+6. `RunGostContainerWithPorts(ctx, networkName, rendered, "8080/tcp")`
+7. `defer clientC.Terminate(ctx)`
+8. `clientC.Exec(ctx, ["curl", "-v", "-s", "-x", "http://127.0.0.1:8080", "http://<echoIP>:5678"])`
+9. 断言 exitCode==0 且 body 包含 `"hello-gost"`，失败时 DumpLogs
+
+**问题：端口硬编码**。shadowsocks 用 8388 作为服务端口，但其他协议可能用不同端口。需要参数化。
+
+### 修正设计 — 参数化端口
+
+```go
+type TCPOptions struct {
+    ServerPort    string // 容器内服务端口，默认 "8388/tcp"
+    ClientPort    string // 客户端代理端口，默认 "8080/tcp"
+}
+
+func RunTCPCase(t *testing.T, ctx context.Context, networkName, echoIP string,
+    name, serverConfig, clientConfig string, opts ...TCPOptions)
+```
+
+当 `opts` 为空时使用默认值 `{ServerPort: "8388/tcp", ClientPort: "8080/tcp"}`。这样 shadowsocks 测试无需任何改动，而 HTTP 测试可传 `TCPOptions{ServerPort: "8080/tcp", ClientPort: "8080/tcp"}`。
+
+等一下 — 仔细看 shadowsocks 的 server 容器暴露的是 `8388/tcp`，HTTP proxy 场景下只有一个 gost 容器（不做 server→client 链路），直接暴露 proxy 端口。
+
+**重新思考：HTTP proxy 不需要 server+client 两容器模式。**
+
+HTTP proxy 测试是最简单的模式 — 只需一个 gost 容器运行 HTTP proxy，然后容器内 curl 通过它访问 echo server。这和 parallel_selector_test.go 的模式一致。但为了统一框架和后续协议（SOCKS5、relay 等都需要 server+client 模式），我们应该：
+
+- HTTP 的"无 auth"用例：**单容器模式**（同 parallel_selector）
+- HTTP 的"带 auth"用例：**也可以单容器**，只需在 curl 加 `--proxy-user`
+
+所以 HTTP proxy 不需要 server/client 分离，但 RunTCPCase helper 仍然服务于 SOCKS5/relay 等需要链路的协议。
+
+### 最终 RunTCPCase 设计
+
+```go
+func RunTCPCase(t *testing.T, ctx context.Context, networkName, echoIP, name string,
+    serverConfig, clientConfig string, serverPort, clientPort string)
+```
+
+- `serverPort`: 服务端容器暴露端口，如 `"8388/tcp"`
+- `clientPort`: 客户端容器暴露端口，如 `"8080/tcp"`
+- 渲染模板时用 `ServerAddr: serverAlias + ":" + strings.TrimSuffix(serverPort, "/tcp")`
+
+### RunUDPCase 设计
+
+```go
+func RunUDPCase(t *testing.T, ctx context.Context, networkName, name string,
+    serverConfig, clientConfig string, serverPort, clientPort string)
+```
+
+逻辑从 shadowsocks_test.go:76-126 提取。
+
+---
+
+## Step 2: 新建 `testdata/http/` 配置文件
+
+### `testdata/http/server.yaml` — 无 auth 的 HTTP proxy
+
+```yaml
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+  listener:
+    type: tcp
+```
+
+单容器即可测试：gost 启动后在 :8080 提供 HTTP proxy 服务。
+
+### `testdata/http/server_auth.yaml` — 带 auth 的 HTTP proxy
+
+```yaml
+services:
+- name: http-proxy-auth
+  addr: :8080
+  handler:
+    type: http
+    auther: auther-0
+  listener:
+    type: tcp
+
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass
+```
+
+---
+
+## Step 3: 新建 `http_test.go`
+
+### 套件结构
+
+```go
+type HTTPSuite struct {
+    suite.Suite
+    ctx    context.Context
+    echoC  testcontainers.Container
+    echoIP string
+}
+
+func (s *HTTPSuite) SetupSuite()    // 启动 TCP echo
+func (s *HTTPSuite) TearDownSuite() // 关闭 echo
+
+func (s *HTTPSuite) TestHTTPProxy()       // 无 auth
+func (s *HTTPSuite) TestHTTPProxyAuth()   // 带 auth
+
+func TestHTTPSuite(t *testing.T) {
+    suite.Run(t, new(HTTPSuite))
+}
+```
+
+### TestHTTPProxy — 单容器模式（同 parallel_selector）
+
+```go
+func (s *HTTPSuite) TestHTTPProxy() {
+    gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+        "testdata/http/server.yaml", "8080/tcp")
+    s.Require().NoError(err)
+    defer gostC.Terminate(s.ctx)
+
+    cmd := []string{"curl", "-v", "-s", "-x", "http://127.0.0.1:8080",
+        fmt.Sprintf("http://%s:5678", s.echoIP)}
+    code, out, err := gostC.Exec(s.ctx, cmd)
+    s.Require().NoError(err)
+
+    body, err := io.ReadAll(out)
+    s.Require().NoError(err)
+    if code != 0 || !strings.Contains(string(body), "hello-gost") {
+        DumpLogs(s.T(), s.ctx, "http-proxy logs", gostC)
+    }
+    s.Require().Equal(0, code)
+    s.Require().Contains(string(body), "hello-gost")
+}
+```
+
+### TestHTTPProxyAuth — 带 auth 验证
+
+```go
+func (s *HTTPSuite) TestHTTPProxyAuth() {
+    gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+        "testdata/http/server_auth.yaml", "8080/tcp")
+    s.Require().NoError(err)
+    defer gostC.Terminate(s.ctx)
+
+    // 测试1：无 auth 应失败（407）
+    s.T().Run("no-auth-should-fail", func(t *testing.T) {
+        cmd := []string{"curl", "-s", "-o", "/dev/null", "-w", "%{http_code}",
+            "-x", "http://127.0.0.1:8080", fmt.Sprintf("http://%s:5678", s.echoIP)}
+        code, out, _ := gostC.Exec(s.ctx, cmd)
+        body, _ := io.ReadAll(out)
+        // curl exit code 非 0 或 HTTP status 是 407
+        // 注意：gost HTTP proxy 在无 auth 时返回 407，curl 不会自动重试
+        // 所以这里验证返回码是 407 或 curl 返回非零
+        httpStatus := strings.TrimSpace(string(body))
+        s.Assert().True(code != 0 || httpStatus == "407",
+            "expected auth failure, got status: %s, exit code: %d", httpStatus, code)
+    })
+
+    // 测试2：正确 auth 应成功
+    s.T().Run("with-auth-should-succeed", func(t *testing.T) {
+        cmd := []string{"curl", "-v", "-s", "-x",
+            "http://user:pass@127.0.0.1:8080",
+            fmt.Sprintf("http://%s:5678", s.echoIP)}
+        code, out, err := gostC.Exec(s.ctx, cmd)
+        s.Require().NoError(err)
+
+        body, err := io.ReadAll(out)
+        s.Require().NoError(err)
+        if code != 0 || !strings.Contains(string(body), "hello-gost") {
+            DumpLogs(s.T(), s.ctx, "http-proxy-auth logs", gostC)
+        }
+        s.Require().Equal(0, code)
+        s.Require().Contains(string(body), "hello-gost")
+    })
+}
+```
+
+### 注意事项
+- HTTP proxy 是**单容器模式**，不需要 server/client 分离（不像 shadowsocks 需要解密/加密链路）
+- auth 测试分两步：先验证无 auth 被拒（407），再验证正确 auth 成功
+- curl 使用 `http://user:pass@host:port` 格式传递 proxy auth
+
+---
+
+## Step 4: 重构 `shadowsocks_test.go`
+
+将 `runTCPCase` 和 `runUDPCase` 方法替换为调用 `utils.go` 中的 `RunTCPCase` / `RunUDPCase`：
+
+**Before**:
+```go
+func (s *ShadowsocksSuite) TestShadowsocksTCP() {
+    s.runTCPCase("aes256gcm", "testdata/shadowsocks/tcp_server_aes256gcm.yaml", "testdata/shadowsocks/tcp_client_aes256gcm.yaml")
+    s.runTCPCase("chacha20", "testdata/shadowsocks/tcp_server_chacha20.yaml", "testdata/shadowsocks/tcp_client_chacha20.yaml")
+}
+```
+
+**After**:
+```go
+func (s *ShadowsocksSuite) TestShadowsocksTCP() {
+    RunTCPCase(s.T(), s.ctx, SharedNetworkName, s.echoIP, "aes256gcm",
+        "testdata/shadowsocks/tcp_server_aes256gcm.yaml",
+        "testdata/shadowsocks/tcp_client_aes256gcm.yaml",
+        "8388/tcp", "8080/tcp")
+    RunTCPCase(s.T(), s.ctx, SharedNetworkName, s.echoIP, "chacha20",
+        "testdata/shadowsocks/tcp_server_chacha20.yaml",
+        "testdata/shadowsocks/tcp_client_chacha20.yaml",
+        "8388/tcp", "8080/tcp")
+}
+```
+
+删除 `runTCPCase` 和 `runUDPCase` 方法。UDP 测试同理。
+
+---
+
+## 实施顺序
+
+1. **`utils.go`** — 添加 `RunTCPCase` + `RunUDPCase`（不删除任何现有函数）
+2. **`testdata/http/`** — 创建 `server.yaml` + `server_auth.yaml`
+3. **`http_test.go`** — 创建 HTTP 套件
+4. **编译验证** — `cd gost && go build ./... && go vet ./tests/e2e/...`
+5. **`shadowsocks_test.go`** — 重构为使用新 helper
+6. **最终编译验证** — `go build ./... && go vet ./tests/e2e/...`
+7. **运行测试** — `go test ./tests/e2e/ -v -run TestHTTPSuite -timeout 5m`
+8. **回归测试** — `go test ./tests/e2e/ -v -run TestShadowsocksSuite -timeout 5m`
+
+---
+
+## 验证
+
+```bash
+cd /config/workspace/go-gost/gost
+go build ./...
+go vet ./tests/e2e/...
+go test ./tests/e2e/ -v -run TestHTTPSuite -timeout 5m
+go test ./tests/e2e/ -v -run TestShadowsocksSuite -timeout 5m
+```

tests/e2e/PLAN.md

@@ -0,0 +1,183 @@
+# Plan: Expand E2E Test Suite
+
+## Context
+
+The e2e test framework (`tests/e2e/`) currently covers only **2 protocols** (Shadowsocks, parallel selector) out of **~30+ registered protocols** in gost. This plan systematically adds test coverage for all major protocols, following the existing Docker-based testcontainers pattern exactly.
+
+**Key insight**: gost auto-generates self-signed TLS certs when none are provided (`x/config/parsing/tls.go` — `BuildDefaultTLSConfig`), and clients with default config skip cert verification. This means TLS-based protocols (ws→wss, h2c→h2, quic, etc.) can be tested **without mounting cert files**.
+
+---
+
+## Step 0: Refactor `utils.go` — Add Reusable Test Helpers
+
+**File**: `tests/e2e/utils.go`
+
+Extract the repeated patterns from `shadowsocks_test.go` into reusable helpers:
+
+1. **`RunTCPCase(t, ctx, networkName, echoIP, name, serverConfig, clientConfig string)`** — Full lifecycle: start server → render client config → start client → curl assertion → cleanup. Extracts the logic from `ShadowsocksSuite.runTCPCase`.
+
+2. **`RunUDPCase(t, ctx, networkName, name, serverConfig, clientConfig string)`** — Same for UDP: start server → render client → start client → dial UDP → retry loop → assertion → cleanup. Extracts from `runUDPCase`.
+
+These eliminate ~40 lines of boilerplate per suite. Each suite's test methods become one-liners:
+```go
+func (s *SOCKS5Suite) TestSOCKS5TCP() {
+    RunTCPCase(s.T(), s.ctx, SharedNetworkName, s.echoIP, "socks5-tcp",
+        "testdata/socks5/tcp_server.yaml", "testdata/socks5/tcp_client.yaml")
+}
+```
+
+---
+
+## Step 1: Tier 1 — Core Protocols (Plain TCP, No Special Infrastructure)
+
+Each suite follows the exact pattern: suite struct → `SetupSuite` (echo containers) → `TearDownSuite` → test methods calling `RunTCPCase`/`RunUDPCase` → `suite.Run()` entry point.
+
+### 1A. HTTP Proxy Suite
+- **Files**: `http_test.go`, `testdata/http/` (2 configs)
+- **Configs**: `server.yaml` (handler `http`, listener `tcp`), `server_auth.yaml` (+ basic auth)
+- **Tests**: `TestHTTPProxy`, `TestHTTPProxyAuth` (curl with `--proxy-user`)
+- **Note**: Simplest test — single gost container acts as HTTP proxy
+
+### 1B. SOCKS5 Suite
+- **Files**: `socks5_test.go`, `testdata/socks5/` (4 configs)
+- **Configs**: `tcp_server.yaml` (handler `socks5`), `tcp_client.yaml` (connector `socks5`, dialer `tcp`), + auth variants
+- **Tests**: `TestSOCKS5TCP`, `TestSOCKS5TCPAuth`
+
+### 1C. SOCKS4 Suite
+- **Files**: `socks4_test.go`, `testdata/socks4/` (4 configs)
+- **Configs**: `tcp_server.yaml` (handler `socks4`), `tcp_client.yaml` (connector `socks4`), + socks4a variants
+- **Tests**: `TestSOCKS4TCP`, `TestSOCKS4aTCP`
+
+### 1D. HTTP2 Cleartext Suite
+- **Files**: `http2_test.go`, `testdata/http2/` (2 configs)
+- **Configs**: `tcp_server.yaml` (handler `http2`, listener `http2`), `tcp_client.yaml` (connector `http2`, dialer `http2`)
+- **Tests**: `TestHTTP2TCP`
+
+### 1E. Relay Suite
+- **Files**: `relay_test.go`, `testdata/relay/` (4 configs)
+- **Configs**: `tcp_server.yaml` (handler `relay`, listener `tcp`), `tcp_client.yaml` (connector `relay`, dialer `tcp`), + auth variants
+- **Tests**: `TestRelayTCP`, `TestRelayTCPAuth`
+
+---
+
+## Step 2: Tier 2 — TLS/Transport Protocols
+
+Same pattern but using TLS listeners/dialers. No explicit cert files needed — gost auto-generates them.
+
+### 2A. TLS Suite
+- **Files**: `tls_test.go`, `testdata/tls/` (4 configs)
+- **Tests**: `TestTLSHTTPProxy` (handler `http` + listener `tls`), `TestTLSSOCKS5` (handler `socks5` + listener `tls`)
+
+### 2B. WebSocket Suite
+- **Files**: `ws_test.go`, `testdata/ws/` (4 configs)
+- **Tests**: `TestWSSOCKS5` (dialer `ws`), `TestWSSSOCKS5` (dialer `wss`)
+
+### 2C. gRPC Suite
+- **Files**: `grpc_test.go`, `testdata/grpc/` (2 configs)
+- **Tests**: `TestGRPCSOCKS5` (listener `grpc`, metadata `insecure: true`)
+
+### 2D. HTTP/2 TLS (h2) Suite
+- **Files**: `h2_test.go`, `testdata/h2/` (2 configs)
+- **Tests**: `TestH2HTTP2Proxy` (listener `h2`, dialer `h2`)
+
+### 2E. QUIC Suite
+- **Files**: `quic_test.go`, `testdata/quic/` (2 configs)
+- **Tests**: `TestQUICHTTP` (listener `quic`, handler `http` — uses UDP ports)
+
+### 2F. KCP Suite
+- **Files**: `kcp_test.go`, `testdata/kcp/` (2 configs)
+- **Tests**: `TestKCPSOCKS5` (listener `kcp`, handler `socks5` — uses UDP)
+
+### 2G. Multiplex Variants (mws/mwss/mtls/mtcp)
+- **Files**: `mux_test.go`, `testdata/mux/` (6 configs)
+- **Tests**: `TestMWSSOCKS5`, `TestMWSSSOCKS5`, `TestMtlSSOCKS5`, `TestMtcpSOCKS5`
+
+### 2H. Obfuscation (ohttp/otls)
+- **Files**: `obfs_test.go`, `testdata/obfs/` (4 configs)
+- **Tests**: `TestOHTTP`, `TestOTLS`
+
+### 2I. PHT (HTTP Pipe)
+- **Files**: `pht_test.go`, `testdata/pht/` (4 configs)
+- **Tests**: `TestPHT`, `TestPHTS`
+
+---
+
+## Step 3: Tier 3 — Special Infrastructure (Deferred)
+
+These require Docker capabilities (`NET_ADMIN`, `NET_RAW`), SSH key generation, or iptables setup. Implemented after Tiers 1-2 are stable.
+
+| Protocol | Challenge | Approach |
+|----------|-----------|----------|
+| SSH/sshd | Host key generation | Generate SSH key at test time, mount into container |
+| HTTP/3/WebTransport | QUIC+UDP, TLS | Uses UDP like QUIC suite; auto certs work |
+| TUN/TAP | `CAP_NET_ADMIN`, `/dev/net/tun` | Privileged container + routing setup |
+| Tungo/MASQUE | Same as TUN | Same approach |
+| ICMP | `CAP_NET_RAW`, raw sockets | Privileged container |
+| Redirect (red/redu) | iptables rules | Privileged + iptables setup in container |
+| DTLS | UDP + TLS | Auto certs; UDP port mapping |
+
+---
+
+## Files to Create/Modify
+
+### New files (per suite):
+- `tests/e2e/<protocol>_test.go` — Suite struct + test methods
+- `tests/e2e/testdata/<protocol>/` — Server + client YAML configs
+
+### Modified files:
+- `tests/e2e/utils.go` — Add `RunTCPCase`, `RunUDPCase` helpers
+- `tests/e2e/shadowsocks_test.go` — Refactor to use new helpers (optional, reduces duplication)
+- `tests/e2e/README.md` — Document new suites
+
+### Reference files (read-only):
+- `tests/e2e/shadowsocks_test.go` — Pattern template for all suites
+- `tests/e2e/testdata/shadowsocks/tcp_server_aes256gcm.yaml` — Server config template
+- `tests/e2e/testdata/shadowsocks/tcp_client_aes256gcm.yaml` — Client config template
+
+---
+
+## Config Pattern Reference
+
+**Server** (all protocols):
+```yaml
+services:
+- name: <proto>-server
+  addr: :<port>
+  handler:
+    type: <handler-type>
+  listener:
+    type: <listener-type>
+```
+
+**Client** (all protocols):
+```yaml
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: <proto>-chain
+  listener:
+    type: tcp
+chains:
+- name: <proto>-chain
+  hops:
+  - name: <proto>-hop
+    nodes:
+    - name: <proto>-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: <connector-type>
+      dialer:
+        type: <dialer-type>
+```
+
+---
+
+## Verification
+
+After each suite is implemented:
+1. `cd gost && go build ./...` — Ensure compilation
+2. `go vet ./tests/e2e/` — Static analysis
+3. `go test ./tests/e2e/ -v -run TestXxxSuite -timeout 5m` — Run individual suite
+4. `go test ./tests/e2e/ -v -timeout 10m` — Run all suites together

tests/e2e/README.md

@@ -0,0 +1,53 @@
+# End-to-End Tests
+
+Integration tests that spin up real gost instances inside Docker containers and verify protocol behavior over the network.
+
+## Prerequisites
+
+- [Docker](https://docs.docker.com/get-docker/) (running daemon)
+- Go toolchain (for compiling the gost binary under test)
+
+## Running
+
+From the repository root:
+
+```bash
+# Run all e2e tests
+go test ./tests/e2e/ -v -timeout 10m
+
+# Run a specific test suite
+go test ./tests/e2e/ -v -run TestShadowsocksSuite -timeout 5m
+go test ./tests/e2e/ -v -run TestParallelSelectorSuite -timeout 5m
+
+# Use a pre-built gost binary (skips compilation)
+go test ./tests/e2e/ -v -gost-bin /path/to/gost
+```
+
+## Architecture
+
+```
+tests/e2e/
+├── Dockerfile                  # Shared base image (Alpine + curl, python3, etc.)
+├── main_test.go                # TestMain: compiles gost, creates Docker network
+├── utils.go                    # Helpers: container lifecycle, config rendering
+├── scripts/
+│   ├── tcp_echo.py             # HTTP echo server (responds with "hello-gost")
+│   └── udp_echo.py             # UDP echo server (reflects payloads)
+├── testdata/                   # config files or data files for running cases
+├── shadowsocks_test.go         # Shadowsocks protocol tests
+└── parallel_selector_test.go   # Parallel node selector tests
+```
+
+### How it works
+
+1. **TestMain** (`main_test.go`) compiles the gost binary from `../../cmd/gost` (unless `-gost-bin` is provided) and creates a shared Docker network for all containers.
+2. Each test suite starts echo server containers (TCP/UDP), then launches separate gost containers for server and client roles.
+3. Client configs use Go template syntax (`{{.ServerAddr}}`) so the server address is injected at runtime.
+4. Tests verify end-to-end connectivity by sending traffic through the gost proxy chain and checking that the echo server responds correctly.
+
+## Tips
+
+- Increase `-timeout` for CI or slow networks. Container image builds on first run take extra time.
+- Use `-gost-bin` to avoid recompiling when iterating on tests locally.
+- Add `-v` to see container log output on failure.
+- RunGostContainer will wait for exposedPorts automatically, but it's not reliable for udp ports. So, you should check the readiness of udp ports inside cases.

tests/e2e/dns_test.go

@@ -0,0 +1,360 @@
+package e2e
+
+import (
+	"context"
+	"encoding/base64"
+	"fmt"
+	"io"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/testcontainers/testcontainers-go"
+)
+
+type DNSSuite struct {
+	suite.Suite
+	ctx context.Context
+}
+
+func (s *DNSSuite) SetupSuite() {
+	s.ctx = context.Background()
+}
+
+// dnsQuery sends a DNS query via the Python client and retries on failure.
+// expected can be an IP string, "empty" (expect zero answer records), or "" (no check).
+func (s *DNSSuite) dnsQuery(gostC testcontainers.Container, mode, host, port, qname, qtype, expected string) {
+	args := []string{"python3", "/scripts/dns_query.py", mode, host, port, qname, qtype}
+	if expected != "" {
+		args = append(args, expected)
+	}
+
+	for i := range 5 {
+		code, out, err := gostC.Exec(s.ctx, args)
+		if err != nil {
+			s.T().Logf("query attempt %d exec error: %v", i+1, err)
+			time.Sleep(time.Second)
+			continue
+		}
+		body, err := io.ReadAll(out)
+		if err != nil {
+			s.T().Logf("query attempt %d read error: %v", i+1, err)
+			time.Sleep(time.Second)
+			continue
+		}
+		output := string(body)
+		s.T().Logf("query attempt %d: %s", i+1, strings.TrimSpace(output))
+
+		if code == 0 {
+			return
+		}
+		time.Sleep(time.Second)
+	}
+
+	s.T().Fatalf("DNS query %s %s %s %s failed after 5 retries", mode, qname, qtype, host)
+}
+
+// dnsQueryOnce sends a single DNS query with no retries. Returns exit code and output.
+func (s *DNSSuite) dnsQueryOnce(gostC testcontainers.Container, mode, host, port, qname, qtype string) (int, string) {
+	args := []string{"python3", "/scripts/dns_query.py", mode, host, port, qname, qtype}
+	code, out, err := gostC.Exec(s.ctx, args)
+	if err != nil {
+		return 1, fmt.Sprintf("exec error: %v", err)
+	}
+	body, _ := io.ReadAll(out)
+	return code, string(body)
+}
+
+// dnsQueryWithDelay calls dnsQuery with a small wait before the first attempt.
+func (s *DNSSuite) dnsQueryWithDelay(gostC testcontainers.Container, mode, host, port, qname, qtype, expected string) {
+	time.Sleep(500 * time.Millisecond)
+	s.dnsQuery(gostC, mode, host, port, qname, qtype, expected)
+}
+
+// sendRaw sends raw data via base64+nc and returns the response.
+func (s *DNSSuite) sendRaw(gostC testcontainers.Container, host, port, data string) string {
+	encoded := base64.StdEncoding.EncodeToString([]byte(data))
+	cmd := []string{"sh", "-c",
+		fmt.Sprintf("echo %s | base64 -d | nc -w 3 -u %s %s", encoded, host, port)}
+	_, out, _ := gostC.Exec(s.ctx, cmd)
+	b, _ := io.ReadAll(out)
+	return string(b)
+}
+
+// startDNSResponder starts the UDP DNS responder and returns the container.
+func (s *DNSSuite) startDNSResponder() testcontainers.Container {
+	dnsC, err := RunDNSResponderContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	return dnsC
+}
+
+// startGostWithQueryScript starts a gost container with dns_query.py mounted.
+func (s *DNSSuite) startGostWithQueryScript(yamlPath, exposedPort string) testcontainers.Container {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		yamlPath,
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "scripts/dns_query.py", ContainerFilePath: "/scripts/dns_query.py", FileMode: 0644},
+		},
+		exposedPort)
+	s.Require().NoError(err)
+	return gostC
+}
+
+// ---------------------------------------------------------------------------
+// Upstream resolution
+// ---------------------------------------------------------------------------
+
+func (s *DNSSuite) TestDNSUpstream() {
+	dnsC := s.startDNSResponder()
+	defer dnsC.Terminate(s.ctx)
+
+	gostC := s.startGostWithQueryScript("testdata/dns/server_upstream.yaml", "1053/udp")
+	defer gostC.Terminate(s.ctx)
+
+	s.T().Run("a-record", func(t *testing.T) {
+		s.dnsQueryWithDelay(gostC, "udp", "127.0.0.1", "1053", "test.example.com", "A", "10.0.0.1")
+	})
+	s.T().Run("aaaa-record", func(t *testing.T) {
+		s.dnsQuery(gostC, "udp", "127.0.0.1", "1053", "example.com", "AAAA", "::1")
+	})
+	s.T().Run("second-a-record", func(t *testing.T) {
+		s.dnsQuery(gostC, "udp", "127.0.0.1", "1053", "test2.example.com", "A", "10.0.0.2")
+	})
+}
+
+// ---------------------------------------------------------------------------
+// TCP mode
+// ---------------------------------------------------------------------------
+
+func (s *DNSSuite) TestDNSTCP() {
+	s.T().Log("start TCP DNS responder container...")
+	dnsC, err := RunTCPDNSResponderContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	defer dnsC.Terminate(s.ctx)
+
+	gostC := s.startGostWithQueryScript("testdata/dns/server_tcp.yaml", "1053/tcp")
+	defer gostC.Terminate(s.ctx)
+
+	s.dnsQueryWithDelay(gostC, "tcp", "127.0.0.1", "1053", "test.example.com", "A", "10.0.0.1")
+	s.dnsQuery(gostC, "tcp", "127.0.0.1", "1053", "test2.example.com", "A", "10.0.0.2")
+}
+
+// ---------------------------------------------------------------------------
+// Bypass rules
+// ---------------------------------------------------------------------------
+
+func (s *DNSSuite) TestDNSBypass() {
+	dnsC := s.startDNSResponder()
+	defer dnsC.Terminate(s.ctx)
+
+	gostC := s.startGostWithQueryScript("testdata/dns/server_bypass.yaml", "1053/udp")
+	defer gostC.Terminate(s.ctx)
+
+	s.T().Run("blocked-domain-empty-answer", func(t *testing.T) {
+		s.dnsQueryWithDelay(gostC, "udp", "127.0.0.1", "1053",
+			"test.example.com", "A", "empty")
+	})
+	s.T().Run("non-blocked-domain", func(t *testing.T) {
+		s.dnsQuery(gostC, "udp", "127.0.0.1", "1053",
+			"test2.example.com", "A", "10.0.0.2")
+	})
+}
+
+// ---------------------------------------------------------------------------
+// Host mapper
+// ---------------------------------------------------------------------------
+
+// TestDNSHostMapper verifies DNS resolution via the host mapper before
+// reaching the upstream exchanger.
+//
+// Config: server_hosts.yaml maps mapped.example.com → 10.0.0.100 and
+// points the handler at an unreachable upstream (udp://127.0.0.1:1).
+// The handler checks the host mapper before the exchange path, so
+// mapped names resolve without needing any upstream DNS. Unmapped
+// names must fall through to the exchanger, which fails — confirming
+// the host-mapper path was the only reason mapped names worked.
+func (s *DNSSuite) TestDNSHostMapper() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/dns/server_hosts.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "scripts/dns_query.py", ContainerFilePath: "/scripts/dns_query.py", FileMode: 0644},
+		},
+		"1053/udp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	s.T().Run("mapped-a-record", func(t *testing.T) {
+		// mapped.example.com → host mapper returns 10.0.0.100
+		// without contacting any upstream.
+		s.dnsQueryWithDelay(gostC, "udp", "127.0.0.1", "1053",
+			"mapped.example.com", "A", "10.0.0.100")
+	})
+
+	s.T().Run("unmapped-domain", func(t *testing.T) {
+		// test.example.com is not in the hosts mapping. The handler
+		// will fall through to the exchanger path, which fails because
+		// no upstream is configured. Query should return empty/NXDOMAIN.
+		code, output := s.dnsQueryOnce(gostC, "udp", "127.0.0.1", "1053",
+			"test.example.com", "A")
+		s.T().Logf("unmapped query: code=%d, %s", code, strings.TrimSpace(output))
+		// Non-zero exit indicates no valid response — expected since
+		// there's no working upstream.
+		s.Assert().NotEqual(0, code,
+			"unmapped domain should fail with no upstream")
+	})
+}
+
+// ---------------------------------------------------------------------------
+// Exchange failure (unreachable upstream)
+// ---------------------------------------------------------------------------
+
+// TestDNSExchangeFailure verifies graceful handling when the upstream DNS
+// exchanger is unreachable.
+//
+// Config: server_exchange_failure.yaml points to udp://127.0.0.1:1 which
+// is unreachable. The handler must not crash or leak goroutines when the
+// upstream exchange fails.
+func (s *DNSSuite) TestDNSExchangeFailure() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/dns/server_exchange_failure.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "scripts/dns_query.py", ContainerFilePath: "/scripts/dns_query.py", FileMode: 0644},
+		},
+		"1053/udp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	s.T().Run("unreachable-upstream", func(t *testing.T) {
+		// Send query once — the exchange will fail (timeout / ICMP
+		// unreachable). No response is expected.
+		code, output := s.dnsQueryOnce(gostC, "udp", "127.0.0.1", "1053",
+			"test.example.com", "A")
+		s.T().Logf("exchange failure result: code=%d, %s",
+			code, strings.TrimSpace(output))
+		// Non-zero exit is expected since the exchange fails.
+		s.Assert().NotEqual(0, code,
+			"exchange failure should return non-zero exit")
+	})
+
+	s.T().Run("container-alive-after-failure", func(t *testing.T) {
+		// Verify the gost container is still running after the
+		// failed exchange — proves no crash or hang.
+		aliveCode, _, aliveErr := gostC.Exec(s.ctx, []string{"true"})
+		s.Require().NoError(aliveErr,
+			"container exec should succeed after exchange failure")
+		s.Require().Equal(0, aliveCode,
+			"gost container should be alive after exchange failure")
+	})
+}
+
+// ---------------------------------------------------------------------------
+// Rate limiter
+// ---------------------------------------------------------------------------
+
+// TestDNSRateLimiter verifies that rate limiting configuration is accepted
+// and the handler processes queries through the rate limiter path without
+// crashing. Uses a generous global limit (1000/s) so queries pass.
+func (s *DNSSuite) TestDNSRateLimiter() {
+	dnsC := s.startDNSResponder()
+	defer dnsC.Terminate(s.ctx)
+
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/dns/server_rlimiter.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "scripts/dns_query.py", ContainerFilePath: "/scripts/dns_query.py", FileMode: 0644},
+		},
+		"1053/udp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	s.T().Run("query-with-limiter", func(t *testing.T) {
+		s.dnsQueryWithDelay(gostC, "udp", "127.0.0.1", "1053",
+			"test.example.com", "A", "10.0.0.1")
+	})
+	s.T().Run("second-query-with-limiter", func(t *testing.T) {
+		s.dnsQuery(gostC, "udp", "127.0.0.1", "1053",
+			"test2.example.com", "A", "10.0.0.2")
+	})
+}
+
+// ---------------------------------------------------------------------------
+// Invalid query
+// ---------------------------------------------------------------------------
+
+// TestDNSInvalidQuery verifies the DNS listener gracefully handles malformed
+// DNS messages. Sends garbage bytes and checks the gost container is
+// unaffected (no crash, no hang).
+func (s *DNSSuite) TestDNSInvalidQuery() {
+	gostC := s.startGostWithQueryScript("testdata/dns/server_upstream.yaml", "1053/udp")
+	defer gostC.Terminate(s.ctx)
+
+	s.T().Run("send-garbage-bytes", func(t *testing.T) {
+		// Send 5 bytes of garbage via UDP. The miekg/dns server
+		// will fail to parse them and discard the packet.
+		s.sendRaw(gostC, "127.0.0.1", "1053", "garbage!")
+	})
+
+	s.T().Run("container-alive-after-garbage", func(t *testing.T) {
+		// Verify the gost container is still alive after receiving
+		// invalid data.
+		aliveCode, _, aliveErr := gostC.Exec(s.ctx, []string{"true"})
+		s.Require().NoError(aliveErr,
+			"container exec should succeed after invalid query")
+		s.Require().Equal(0, aliveCode,
+			"gost container should be alive after invalid query")
+	})
+}
+
+// ---------------------------------------------------------------------------
+// DNS over TLS
+// ---------------------------------------------------------------------------
+
+// TestDNSTLS verifies the DNS listener in TLS mode (DNS over TLS).
+// Starts the UDP DNS responder (unencrypted), a gost DNS server with
+// listener mode: tls, and queries through the TLS endpoint.
+func (s *DNSSuite) TestDNSTLS() {
+	dnsC := s.startDNSResponder()
+	defer dnsC.Terminate(s.ctx)
+
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/dns/server_tls.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "scripts/dns_tls_query.py", ContainerFilePath: "/scripts/dns_tls_query.py", FileMode: 0644},
+		},
+		"1053/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// Query via TLS
+	args := []string{"python3", "/scripts/dns_tls_query.py",
+		"127.0.0.1", "1053", "test.example.com", "A", "10.0.0.1"}
+
+	for i := range 5 {
+		code, out, err := gostC.Exec(s.ctx, args)
+		if err != nil {
+			s.T().Logf("tls query attempt %d exec error: %v", i+1, err)
+			time.Sleep(time.Second)
+			continue
+		}
+		body, err := io.ReadAll(out)
+		if err != nil {
+			s.T().Logf("tls query attempt %d read error: %v", i+1, err)
+			time.Sleep(time.Second)
+			continue
+		}
+		output := string(body)
+		s.T().Logf("tls query attempt %d: %s", i+1, strings.TrimSpace(output))
+
+		if code == 0 {
+			return
+		}
+		time.Sleep(time.Second)
+	}
+
+	s.T().Fatal("TLS query failed after 5 retries")
+}
+
+func TestDNSSuite(t *testing.T) {
+	suite.Run(t, new(DNSSuite))
+}

tests/e2e/file_test.go

@@ -0,0 +1,194 @@
+package e2e
+
+import (
+	"context"
+	"io"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/testcontainers/testcontainers-go"
+)
+
+type FileSuite struct {
+	suite.Suite
+	ctx context.Context
+}
+
+func (s *FileSuite) SetupSuite() {
+	s.ctx = context.Background()
+}
+
+func (s *FileSuite) TearDownSuite() {}
+
+// TestFileGetExisting verifies that GET on an existing file returns
+// the file content with HTTP 200. Covers the basic file serving path:
+// file handler → http.FileServer → file read.
+func (s *FileSuite) TestFileGetExisting() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/file/server.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "testdata/file/hello.txt", ContainerFilePath: "/srv/files/hello.txt", FileMode: 0644},
+		},
+		"8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	cmd := []string{"curl", "-v", "-s", "http://127.0.0.1:8080/hello.txt"}
+	code, out, err := gostC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+
+	body, err := io.ReadAll(out)
+	s.Require().NoError(err)
+
+	if code != 0 || !strings.Contains(string(body), "hello-gost-file") {
+		DumpLogs(s.T(), s.ctx, "file-server logs", gostC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost-file")
+}
+
+// TestFileGetNotFound verifies that GET on a nonexistent file returns
+// 404 Not Found.
+func (s *FileSuite) TestFileGetNotFound() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/file/server.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "testdata/file/hello.txt", ContainerFilePath: "/srv/files/hello.txt", FileMode: 0644},
+		},
+		"8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	cmd := []string{"curl", "-v", "-s", "-o", "/dev/null", "-w", "%{http_code}",
+		"http://127.0.0.1:8080/nonexistent.txt"}
+	_, out, err := gostC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+	body, _ := io.ReadAll(out)
+	s.Assert().Contains(string(body), "404")
+}
+
+// TestFileGetIndexHtml verifies that GET / serves index.html when
+// present in the served directory. Covers the default index document
+// behavior of http.FileServer.
+func (s *FileSuite) TestFileGetIndexHtml() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/file/server.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "testdata/file/index.html", ContainerFilePath: "/srv/files/index.html", FileMode: 0644},
+		},
+		"8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	cmd := []string{"curl", "-v", "-s", "http://127.0.0.1:8080/"}
+	code, out, err := gostC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+
+	body, err := io.ReadAll(out)
+	s.Require().NoError(err)
+	if code != 0 || !strings.Contains(string(body), "gost file index") {
+		DumpLogs(s.T(), s.ctx, "file-server index logs", gostC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "gost file index")
+}
+
+// TestFilePutUpload verifies that PUT uploads a file when file.put is
+// enabled. Uploads a file and then reads it back via GET to confirm
+// the content was persisted.
+func (s *FileSuite) TestFilePutUpload() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/file/server_put.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "testdata/file/.empty", ContainerFilePath: "/srv/files/.empty", FileMode: 0644},
+		},
+		"8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// Create source content inside the container.
+	_, _, err = gostC.Exec(s.ctx, []string{
+		"sh", "-c", "printf 'uploaded-content' > /tmp/upload_src.txt",
+	})
+	s.Require().NoError(err)
+
+	// Upload via PUT.
+	_, out, err := gostC.Exec(s.ctx, []string{
+		"curl", "-v", "-s", "-T", "/tmp/upload_src.txt",
+		"http://127.0.0.1:8080/uploaded.txt",
+	})
+	s.Require().NoError(err)
+	putBody, _ := io.ReadAll(out)
+	s.T().Logf("PUT response:\n%s", string(putBody))
+
+	// Read back the uploaded file via GET.
+	_, out2, err := gostC.Exec(s.ctx, []string{
+		"curl", "-v", "-s",
+		"http://127.0.0.1:8080/uploaded.txt",
+	})
+	s.Require().NoError(err)
+	body, _ := io.ReadAll(out2)
+	s.Assert().Contains(string(body), "uploaded-content")
+}
+
+// TestFilePutNoPermission verifies that PUT returns 405 Method Not
+// Allowed when file.put is not enabled (default: false).
+func (s *FileSuite) TestFilePutNoPermission() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/file/server.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "testdata/file/.empty", ContainerFilePath: "/srv/files/.empty", FileMode: 0644},
+		},
+		"8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	cmd := []string{"curl", "-v", "-s", "-o", "/dev/null", "-w", "%{http_code}",
+		"-T", "/dev/null", "http://127.0.0.1:8080/test.txt"}
+	_, out, err := gostC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+	body, _ := io.ReadAll(out)
+	s.Assert().Contains(string(body), "405")
+}
+
+// TestFileAuth verifies authentication on the file handler.
+// Without credentials the handler returns 401 Unauthorized,
+// with valid credentials it serves the file.
+func (s *FileSuite) TestFileAuth() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/file/server_auth.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "testdata/file/hello.txt", ContainerFilePath: "/srv/files/hello.txt", FileMode: 0644},
+		},
+		"8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	s.T().Run("no-auth-401", func(t *testing.T) {
+		cmd := []string{"curl", "-v", "-s", "-o", "/dev/null", "-w", "%{http_code}",
+			"http://127.0.0.1:8080/hello.txt"}
+		_, out, _ := gostC.Exec(s.ctx, cmd)
+		body, _ := io.ReadAll(out)
+		s.Assert().Contains(string(body), "401")
+	})
+
+	s.T().Run("with-auth-success", func(t *testing.T) {
+		cmd := []string{"curl", "-v", "-s", "-u", "user:pass",
+			"http://127.0.0.1:8080/hello.txt"}
+		code, out, err := gostC.Exec(s.ctx, cmd)
+		s.Require().NoError(err)
+
+		body, err := io.ReadAll(out)
+		s.Require().NoError(err)
+		if code != 0 || !strings.Contains(string(body), "hello-gost-file") {
+			DumpLogs(s.T(), s.ctx, "file-server auth logs", gostC)
+		}
+		s.Require().Equal(0, code)
+		s.Require().Contains(string(body), "hello-gost-file")
+	})
+}
+
+func TestFileSuite(t *testing.T) {
+	suite.Run(t, new(FileSuite))
+}

tests/e2e/forward_test.go

@@ -0,0 +1,291 @@
+package e2e
+
+import (
+	"context"
+	"encoding/base64"
+	"fmt"
+	"io"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/testcontainers/testcontainers-go"
+)
+
+type ForwardSuite struct {
+	suite.Suite
+	ctx    context.Context
+	echoC  testcontainers.Container
+	echoIP string
+	udpC   testcontainers.Container
+}
+
+func (s *ForwardSuite) SetupSuite() {
+	s.ctx = context.Background()
+
+	s.T().Logf("start tcp echo container...")
+	echoC, err := RunEchoContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	s.echoC = echoC
+
+	echoIP, err := echoC.ContainerIP(s.ctx)
+	s.Require().NoError(err)
+	s.echoIP = echoIP
+
+	s.T().Logf("start udp echo container...")
+	udpC, err := RunUDPEchoContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	s.udpC = udpC
+}
+
+// sendRaw sends a raw HTTP request via netcat and returns the response.
+// Uses base64 to avoid shell quoting issues with CRLF bytes.
+func (s *ForwardSuite) sendRaw(gostC testcontainers.Container, host, port, data string) string {
+	encoded := base64.StdEncoding.EncodeToString([]byte(data))
+	cmd := []string{"sh", "-c",
+		fmt.Sprintf("echo %s | base64 -d | nc -w 5 %s %s", encoded, host, port)}
+	_, out, _ := gostC.Exec(s.ctx, cmd)
+	b, _ := io.ReadAll(out)
+	return string(b)
+}
+
+func (s *ForwardSuite) TearDownSuite() {
+	if s.echoC != nil {
+		s.echoC.Terminate(s.ctx)
+	}
+	if s.udpC != nil {
+		s.udpC.Terminate(s.ctx)
+	}
+}
+
+// TestTCPForward verifies basic TCP forward handler (handler type: tcp).
+// The forward handler pipes raw TCP connections to the configured forwarder
+// node (tcp-echo:5678). curl connects directly to the handler port and sends
+// an HTTP request, expecting the echo server's "hello-gost" response.
+func (s *ForwardSuite) TestTCPForward() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/forward/server.yaml", "8000/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// curl directly to the handler port (not via -x proxy flag).
+	// The TCP forward handler pipes our connection to tcp-echo:5678.
+	cmd := []string{"curl", "-v", "-s", "http://127.0.0.1:8000/"}
+	code, out, err := gostC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+
+	body, err := io.ReadAll(out)
+	s.Require().NoError(err)
+	if code != 0 || !strings.Contains(string(body), "hello-gost") {
+		DumpLogs(s.T(), s.ctx, "tcp-forward logs", gostC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost")
+}
+
+// TestForwardAlias verifies that the "forward" handler type (alias for "tcp")
+// works identically to the "tcp" handler type.
+func (s *ForwardSuite) TestForwardAlias() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/forward/server.yaml", "8000/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	cmd := []string{"curl", "-v", "-s", "http://127.0.0.1:8000/"}
+	code, out, err := gostC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+
+	body, err := io.ReadAll(out)
+	s.Require().NoError(err)
+	if code != 0 || !strings.Contains(string(body), "hello-gost") {
+		DumpLogs(s.T(), s.ctx, "forward-alias logs", gostC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost")
+}
+
+// TestTCPForwardSniffing verifies TCP forward handler with sniffing enabled.
+// When sniffing is enabled and the connection starts with HTTP data, the handler
+// detects the protocol via sniffing.Sniff and delegates to the HTTP sniffer
+// for protocol-aware forwarding. The result is the same as raw forwarding:
+// "hello-gost" from the echo server.
+func (s *ForwardSuite) TestTCPForwardSniffing() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/forward/server_sniffing.yaml", "8000/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// curl directly — sniffing detects HTTP and handles via sniffer.
+	cmd := []string{"curl", "-v", "-s", "http://127.0.0.1:8000/"}
+	code, out, err := gostC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+
+	body, err := io.ReadAll(out)
+	s.Require().NoError(err)
+	if code != 0 || !strings.Contains(string(body), "hello-gost") {
+		DumpLogs(s.T(), s.ctx, "tcp-forward-sniffing logs", gostC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost")
+}
+
+// TestTCPForwardRaw verifies raw TCP forwarding by sending an HTTP request
+// via netcat through the forward handler. This tests the handleRawForwarding
+// code path (no sniffing), proving that raw bytes are piped through correctly.
+func (s *ForwardSuite) TestTCPForwardRaw() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/forward/server.yaml", "8000/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// Send raw HTTP request via nc (not curl) to exercise the raw pipe path.
+	resp := s.sendRaw(gostC, "127.0.0.1", "8000",
+		"GET / HTTP/1.0\r\nHost: tcp-echo\r\n\r\n")
+	s.Assert().Contains(resp, "hello-gost",
+		"raw request through TCP forward should reach echo server")
+}
+
+// TestTCPForwardIdleTimeout verifies that idleTimeout closes the pipe after
+// a period of inactivity. The forward handler's xnet.Pipe uses idleTimeout
+// as a read deadline on the upstream connection — if no data flows for
+// that duration, the pipe closes both directions.
+func (s *ForwardSuite) TestTCPForwardIdleTimeout() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/forward/server_idle_timeout.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "scripts/tcp_idle_timeout.py", ContainerFilePath: "/scripts/tcp_idle_timeout.py", FileMode: 0644},
+		},
+		"8000/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// The Python script:
+	// 1. Connects to gost TCP forward port
+	// 2. Sends HTTP GET → expects "hello-gost" confirm pipe is alive
+	// 3. Waits > idleTimeout (3s + 2s buffer)
+	// 4. Sends more data — expects connection to be closed
+	code, out, err := gostC.Exec(s.ctx, []string{
+		"python3", "/scripts/tcp_idle_timeout.py",
+		"127.0.0.1", "8000", "3",
+	})
+	output, _ := io.ReadAll(out)
+	s.T().Logf("idle timeout output:\n%s", string(output))
+	if code != 0 {
+		DumpLogs(s.T(), s.ctx, "tcp-idle-timeout logs", gostC)
+	}
+	s.Require().Equal(0, code, "idle timeout test script should exit 0")
+}
+
+// TestUDPForward verifies basic UDP forwarding (handler: udp, listener: udp).
+// The handler uses handleRawDatagram via the stateful UDP listener's
+// per-client session conns (which implement net.PacketConn).
+// A Python script inside the gost container sends a UDP datagram through
+// the forward handler and verifies the echo response from udp-echo:5679.
+func (s *ForwardSuite) TestUDPForward() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/forward/server_udp.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "scripts/udp_forward_test.py", ContainerFilePath: "/scripts/udp_forward_test.py", FileMode: 0644},
+		},
+		"9000/udp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	code, out, err := gostC.Exec(s.ctx, []string{
+		"python3", "/scripts/udp_forward_test.py",
+		"127.0.0.1", "9000",
+	})
+	output, _ := io.ReadAll(out)
+	s.T().Logf("udp forward output:\n%s", string(output))
+	if code != 0 {
+		DumpLogs(s.T(), s.ctx, "udp-forward logs", gostC)
+	}
+	s.Require().Equal(0, code, "udp forward test script should exit 0")
+}
+
+// TestUDPForwardStateless verifies UDP forwarding with stateless mode.
+// Both listener and handler use stateless: true, so each datagram is a
+// single request-response cycle with no per-client session tracking.
+func (s *ForwardSuite) TestUDPForwardStateless() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/forward/server_udp_stateless.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "scripts/udp_forward_test.py", ContainerFilePath: "/scripts/udp_forward_test.py", FileMode: 0644},
+		},
+		"9000/udp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	code, out, err := gostC.Exec(s.ctx, []string{
+		"python3", "/scripts/udp_forward_test.py",
+		"127.0.0.1", "9000",
+	})
+	output, _ := io.ReadAll(out)
+	s.T().Logf("udp forward stateless output:\n%s", string(output))
+	if code != 0 {
+		DumpLogs(s.T(), s.ctx, "udp-forward-stateless logs", gostC)
+	}
+	s.Require().Equal(0, code, "udp forward stateless test script should exit 0")
+}
+
+// TestTCPForwardSniffingBypass verifies that when sniffing is enabled and a
+// bypass rule blocks the target, the HTTP sniffer returns 403 Forbidden.
+// The forward handler delegates to the HTTP sniffer (via handleSniffedProtocol),
+// and the sniffer's resolveHTTPNode checks h.options.Bypass and returns 403
+// when the destination is matched.
+func (s *ForwardSuite) TestTCPForwardSniffingBypass() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/forward/server_bypass_sniffing.yaml", "8000/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// curl connects directly; sniffing detects HTTP. The sniffer bypass
+	// check matches 0.0.0.0/0 and returns 403 Forbidden.
+	cmd := []string{"curl", "-v", "-s", "-D", "-", "-o", "/dev/null",
+		"http://127.0.0.1:8000/"}
+	_, out, err := gostC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+	body, _ := io.ReadAll(out)
+	output := string(body)
+
+	s.Assert().Contains(output, "403",
+		"bypass should return 403 Forbidden from sniffer")
+}
+
+// TestTCPForwardMultiNodeProtocol verifies that sniffing + protocol-filtered
+// forwarder nodes correctly routes an HTTP request to the node with matching
+// protocol (http), rather than the one with protocol: tls.
+//
+// Config has two nodes:
+//   - echo-http (protocol: http) → tcp-echo:5678 (works, returns "hello-gost")
+//   - echo-tls  (protocol: tls)  → tcp-echo:1 (closed port, would fail)
+//
+// With sniffing enabled, an HTTP request is detected as protocol "http",
+// Select("http") filters to only the echo-http node. If protocol filtering
+// fails and the tls node is selected instead, the connection to port 1
+// fails and the test fails.
+func (s *ForwardSuite) TestTCPForwardMultiNodeProtocol() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/forward/server_multi_node.yaml", "8000/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// curl sends an HTTP request → sniffed as "http" → Select("http")
+	// filters to echo-http (protocol: http) → pipes to tcp-echo:5678
+	cmd := []string{"curl", "-v", "-s", "http://127.0.0.1:8000/"}
+	code, out, err := gostC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+
+	body, err := io.ReadAll(out)
+	s.Require().NoError(err)
+	if code != 0 || !strings.Contains(string(body), "hello-gost") {
+		DumpLogs(s.T(), s.ctx, "tcp-forward-multi-node logs", gostC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost",
+		"HTTP request should route to the http-protocol node via protocol filtering")
+}
+
+func TestForwardSuite(t *testing.T) {
+	suite.Run(t, new(ForwardSuite))
+}

tests/e2e/http2_test.go

@@ -0,0 +1,216 @@
+package e2e
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"strings"
+	"sync"
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/testcontainers/testcontainers-go"
+)
+
+// HTTP2Suite covers the HTTP/2 proxy handler (handler type: http2) together
+// with the HTTP/2 listener (listener type: http2). The http2 listener wraps
+// the underlying TCP listener with TLS and configures an h2 server, so the
+// handler is always reached over HTTP/2 frames.
+//
+// Because Alpine's curl cannot be relied on to speak HTTP/2 proxy to the
+// server directly, the suite uses the canonical GOST chaining pattern: a
+// client container exposes a plain HTTP proxy which forwards through an
+// http2 connector + http2 dialer to the http2 server. This exercises the
+// h2 listener, the h2 handler, and the h2 connector/dialer together.
+type HTTP2Suite struct {
+	suite.Suite
+	ctx    context.Context
+	echoC  testcontainers.Container
+	echoIP string
+}
+
+func (s *HTTP2Suite) SetupSuite() {
+	s.ctx = context.Background()
+
+	s.T().Logf("start tcp echo container...")
+	echoC, err := RunEchoContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	s.echoC = echoC
+
+	echoIP, err := echoC.ContainerIP(s.ctx)
+	s.Require().NoError(err)
+	s.echoIP = echoIP
+}
+
+func (s *HTTP2Suite) TearDownSuite() {
+	if s.echoC != nil {
+		s.echoC.Terminate(s.ctx)
+	}
+}
+
+// startChain brings up an http2 server (alias "h2-server") and an http client
+// container that chains to it through connector/dialer type http2. The client
+// exposes port 8080 for curl. The rendered client config is cleaned up by the
+// caller-supplied template path resolving {{.ServerAddr}} to h2-server:8443.
+func (s *HTTP2Suite) startChain(serverYAML, clientTmpl string) (testcontainers.Container, testcontainers.Container) {
+	s.T().Helper()
+
+	serverC, err := RunGostContainerWithOptions(s.ctx, SharedNetworkName,
+		serverYAML, []string{"h2-server"}, []string{"8443/tcp"})
+	s.Require().NoError(err)
+
+	rendered, err := RenderConfig(clientTmpl, ConfigData{ServerAddr: "h2-server:8443"})
+	s.Require().NoError(err)
+	s.T().Cleanup(func() { os.Remove(rendered) })
+
+	clientC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		rendered, "8080/tcp")
+	s.Require().NoError(err)
+
+	return serverC, clientC
+}
+
+// curlEcho runs curl through the client's local http proxy and returns the
+// process exit code plus the captured body.
+func (s *HTTP2Suite) curlEcho(clientC testcontainers.Container) (int, string) {
+	s.T().Helper()
+	cmd := []string{"curl", "-v", "-s", "-x", "http://127.0.0.1:8080",
+		fmt.Sprintf("http://%s:5678", s.echoIP)}
+	code, out, _ := clientC.Exec(s.ctx, cmd)
+	body, _ := io.ReadAll(out)
+	return code, string(body)
+}
+
+func (s *HTTP2Suite) dump(label string, cs ...testcontainers.Container) {
+	for _, c := range cs {
+		DumpLogs(s.T(), s.ctx, label, c)
+	}
+}
+
+// TestHTTP2ForwardProxy verifies the core HTTP/2 proxy path: a plain HTTP
+// request through the client proxy is tunneled to the http2 server via an h2
+// CONNECT stream and reaches the echo backend.
+//
+// Covers:
+//   - listener type: http2 (TLS + h2 server)
+//   - handler type: http2 (CONNECT tunnel + bidirectional pipe)
+//   - connector type: http2, dialer type: http2 (h2 client)
+func (s *HTTP2Suite) TestHTTP2ForwardProxy() {
+	serverC, clientC := s.startChain("testdata/http2/server.yaml", "testdata/http2/client.yaml")
+	defer serverC.Terminate(s.ctx)
+	defer clientC.Terminate(s.ctx)
+
+	code, body := s.curlEcho(clientC)
+	if code != 0 || !strings.Contains(body, "hello-gost") {
+		s.dump("http2-forward logs", clientC, serverC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(body, "hello-gost")
+}
+
+// TestHTTP2Auth verifies proxy authentication over the h2 tunnel, plus
+// authBasicRealm and hash metadata parsing on the http2 handler.
+//
+//   - with auth:    CONNECT succeeds → echo body returned
+//   - without auth: server rejects CONNECT (407) → client cannot reach echo
+func (s *HTTP2Suite) TestHTTP2Auth() {
+	s.T().Run("with-auth-success", func(t *testing.T) {
+		serverC, clientC := s.startChain("testdata/http2/server_auth.yaml", "testdata/http2/client_auth.yaml")
+		defer serverC.Terminate(s.ctx)
+		defer clientC.Terminate(s.ctx)
+
+		code, body := s.curlEcho(clientC)
+		if code != 0 || !strings.Contains(body, "hello-gost") {
+			s.dump("http2-auth-success logs", clientC, serverC)
+		}
+		s.Require().Equal(0, code)
+		s.Require().Contains(body, "hello-gost")
+	})
+
+	s.T().Run("no-auth-fails", func(t *testing.T) {
+		// Server requires auth; client sends none → the http2 CONNECT is
+		// rejected with 407, so curl cannot obtain the echo body.
+		serverC, clientC := s.startChain("testdata/http2/server_auth.yaml", "testdata/http2/client.yaml")
+		defer serverC.Terminate(s.ctx)
+		defer clientC.Terminate(s.ctx)
+
+		code, body := s.curlEcho(clientC)
+		if strings.Contains(body, "hello-gost") {
+			s.dump("http2-auth-noauth logs", clientC, serverC)
+		}
+		s.Require().Zero(code,
+			"curl should still receive an HTTP response from the local proxy")
+		s.Require().NotContains(body, "hello-gost",
+			"without auth the echo backend must be unreachable")
+	})
+}
+
+// TestHTTP2Bypass verifies that a bypass matcher on the http2 handler blocks
+// the CONNECT target after authentication succeeds. The server returns 403, so
+// the client cannot reach the echo backend.
+func (s *HTTP2Suite) TestHTTP2Bypass() {
+	serverC, clientC := s.startChain("testdata/http2/server_bypass.yaml", "testdata/http2/client_auth.yaml")
+	defer serverC.Terminate(s.ctx)
+	defer clientC.Terminate(s.ctx)
+
+	code, body := s.curlEcho(clientC)
+	if strings.Contains(body, "hello-gost") {
+		s.dump("http2-bypass logs", clientC, serverC)
+	}
+	s.Require().Zero(code,
+		"curl should still receive an HTTP response from the local proxy")
+	s.Require().NotContains(body, "hello-gost",
+		"bypass should prevent reaching the echo backend")
+}
+
+// TestHTTP2ProbeResist verifies that probeResist, header and authBasicRealm
+// metadata parse cleanly on the http2 handler and do not break the success
+// path. With correct credentials the request still reaches the echo backend.
+func (s *HTTP2Suite) TestHTTP2ProbeResist() {
+	serverC, clientC := s.startChain("testdata/http2/server_proberesist.yaml", "testdata/http2/client_auth.yaml")
+	defer serverC.Terminate(s.ctx)
+	defer clientC.Terminate(s.ctx)
+
+	code, body := s.curlEcho(clientC)
+	if code != 0 || !strings.Contains(body, "hello-gost") {
+		s.dump("http2-proberesist logs", clientC, serverC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(body, "hello-gost")
+}
+
+// TestHTTP2Multiplex verifies HTTP/2 stream multiplexing: many concurrent
+// requests through the client proxy are tunneled as parallel h2 streams over a
+// single underlying connection to the http2 server. All requests must reach
+// the echo backend.
+func (s *HTTP2Suite) TestHTTP2Multiplex() {
+	serverC, clientC := s.startChain("testdata/http2/server.yaml", "testdata/http2/client.yaml")
+	defer serverC.Terminate(s.ctx)
+	defer clientC.Terminate(s.ctx)
+
+	const n = 6
+	var wg sync.WaitGroup
+	wg.Add(n)
+	failed := make(chan string, n)
+	for i := 0; i < n; i++ {
+		go func() {
+			defer wg.Done()
+			_, body := s.curlEcho(clientC)
+			if !strings.Contains(body, "hello-gost") {
+				failed <- "missing echo body"
+			}
+		}()
+	}
+	wg.Wait()
+	close(failed)
+
+	if len(failed) > 0 {
+		s.dump("http2-multiplex logs", clientC, serverC)
+	}
+	s.Require().Empty(failed, "all concurrent h2 requests should reach the echo backend")
+}
+
+func TestHTTP2Suite(t *testing.T) {
+	suite.Run(t, new(HTTP2Suite))
+}

tests/e2e/http_test.go

@@ -0,0 +1,605 @@
+package e2e
+
+import (
+	"context"
+	"encoding/base64"
+	"fmt"
+	"io"
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/testcontainers/testcontainers-go"
+)
+
+type HTTPSuite struct {
+	suite.Suite
+	ctx    context.Context
+	echoC  testcontainers.Container
+	echoIP string
+}
+
+func (s *HTTPSuite) SetupSuite() {
+	s.ctx = context.Background()
+
+	s.T().Logf("start tcp echo container...")
+	echoC, err := RunEchoContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	s.echoC = echoC
+
+	echoIP, err := echoC.ContainerIP(s.ctx)
+	s.Require().NoError(err)
+	s.echoIP = echoIP
+}
+
+// sendRaw sends a raw HTTP request via netcat and returns the response.
+// Uses base64 to avoid shell quoting issues with CRLF bytes.
+func (s *HTTPSuite) sendRaw(gostC testcontainers.Container, host, port, data string) string {
+	encoded := base64.StdEncoding.EncodeToString([]byte(data))
+	cmd := []string{"sh", "-c",
+		fmt.Sprintf("echo %s | base64 -d | nc -w 5 %s %s", encoded, host, port)}
+	_, out, _ := gostC.Exec(s.ctx, cmd)
+	b, _ := io.ReadAll(out)
+	return string(b)
+}
+
+func (s *HTTPSuite) TearDownSuite() {
+	if s.echoC != nil {
+		s.echoC.Terminate(s.ctx)
+	}
+}
+
+// TestHTTPProxy verifies basic HTTP forward proxy (no auth, no metadata).
+// Covers: handler type http, listener type tcp, basic GET via proxy.
+func (s *HTTPSuite) TestHTTPProxy() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/http/server.yaml", "8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// curl -x uses HTTP forward proxy (GET with absolute URL)
+	cmd := []string{"curl", "-v", "-s", "-x", "http://127.0.0.1:8080",
+		fmt.Sprintf("http://%s:5678", s.echoIP)}
+	code, out, err := gostC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+
+	body, err := io.ReadAll(out)
+	s.Require().NoError(err)
+	if code != 0 || !strings.Contains(string(body), "hello-gost") {
+		DumpLogs(s.T(), s.ctx, "http-proxy logs", gostC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost")
+}
+
+// TestHTTPProxyAuth verifies proxy authentication and the authBasicRealm
+// metadata parameter.
+//
+// Covers:
+//   - auther: basic auth on HTTP proxy
+//   - authBasicRealm: custom realm string in 407 Proxy-Authenticate header
+func (s *HTTPSuite) TestHTTPProxyAuth() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/http/server_auth.yaml", "8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	s.T().Run("no-auth-407", func(t *testing.T) {
+		cmd := []string{"curl", "-v", "-s", "-D", "-", "-o", "/dev/null",
+			"-x", "http://127.0.0.1:8080",
+			fmt.Sprintf("http://%s:5678", s.echoIP)}
+		_, out, _ := gostC.Exec(s.ctx, cmd)
+		body, _ := io.ReadAll(out)
+		output := string(body)
+		s.Assert().Contains(output, "407",
+			"no auth should return 407")
+		s.Assert().Contains(output, "gost-e2e-realm",
+			"authBasicRealm should appear in 407 Proxy-Authenticate")
+	})
+
+	s.T().Run("wrong-auth-407", func(t *testing.T) {
+		cmd := []string{"curl", "-v", "-s", "-o", "/dev/null", "-w", "%{http_code}",
+			"-x", "http://wrong:pass@127.0.0.1:8080",
+			fmt.Sprintf("http://%s:5678", s.echoIP)}
+		_, out, _ := gostC.Exec(s.ctx, cmd)
+		body, _ := io.ReadAll(out)
+		s.Assert().Contains(string(body), "407",
+			"wrong password should return 407")
+	})
+
+	s.T().Run("with-auth-success", func(t *testing.T) {
+		cmd := []string{"curl", "-v", "-s", "-x", "http://user:pass@127.0.0.1:8080",
+			fmt.Sprintf("http://%s:5678", s.echoIP)}
+		code, out, err := gostC.Exec(s.ctx, cmd)
+		s.Require().NoError(err)
+
+		body, err := io.ReadAll(out)
+		s.Require().NoError(err)
+		if code != 0 || !strings.Contains(string(body), "hello-gost") {
+			DumpLogs(s.T(), s.ctx, "http-proxy-auth logs", gostC)
+		}
+		s.Require().Equal(0, code)
+		s.Require().Contains(string(body), "hello-gost")
+	})
+}
+
+// TestHTTPProxyMetadata verifies:
+//   - probeResist: code:404 — unauthorised clients see 404 instead of 407
+//   - keepalive: config parsing (applied at Init time)
+//   - compression: config parsing (applied at Init time)
+func (s *HTTPSuite) TestHTTPProxyMetadata() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/http/server_metadata.yaml", "8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	s.T().Run("probe-resist-404", func(t *testing.T) {
+		cmd := []string{"curl", "-v", "-s", "-o", "/dev/null", "-w", "%{http_code}",
+			"-x", "http://127.0.0.1:8080",
+			fmt.Sprintf("http://%s:5678", s.echoIP)}
+		_, out, _ := gostC.Exec(s.ctx, cmd)
+		body, _ := io.ReadAll(out)
+		output := string(body)
+		s.Assert().NotContains(output, "407",
+			"probeResist should hide 407 status")
+		s.Assert().Contains(output, "404",
+			"probeResist should return configured decoy code")
+	})
+
+	s.T().Run("with-auth-success", func(t *testing.T) {
+		cmd := []string{"curl", "-v", "-s", "-x", "http://user:pass@127.0.0.1:8080",
+			fmt.Sprintf("http://%s:5678", s.echoIP)}
+		code, out, err := gostC.Exec(s.ctx, cmd)
+		s.Require().NoError(err)
+
+		body, err := io.ReadAll(out)
+		s.Require().NoError(err)
+		if code != 0 || !strings.Contains(string(body), "hello-gost") {
+			DumpLogs(s.T(), s.ctx, "http-metadata logs", gostC)
+		}
+		s.Require().Equal(0, code)
+		s.Require().Contains(string(body), "hello-gost")
+	})
+}
+
+// TestHTTPProxyHeaders verifies:
+//   - header: custom response headers (X-Proxy-Info, X-Custom) on
+//     proxy-originated error responses. The header metadata is set on
+//     the skeleton response used for error paths after authentication.
+//   - proxyAgent: custom Proxy-Agent header in proxy responses.
+//
+// Uses a bypass matcher (0.0.0.0/0) that blocks all traffic after auth
+// succeeds → requests hit 403 Forbidden path which carries custom headers.
+func (s *HTTPSuite) TestHTTPProxyHeaders() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/http/server_headers.yaml", "8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// Auth succeeds, but target is bypassed → 403 Forbidden
+	// The 403 response is built from the skeleton resp which
+	// carries h.md.header (custom headers) and h.md.proxyAgent.
+	s.T().Log("bypass: expect 403 with custom headers")
+	cmd := []string{"curl", "-v", "-s", "-D", "-", "-o", "/dev/null",
+		"-x", "http://user:pass@127.0.0.1:8080",
+		fmt.Sprintf("http://%s:5678", s.echoIP)}
+	_, out, _ := gostC.Exec(s.ctx, cmd)
+	headers, _ := io.ReadAll(out)
+	output := string(headers)
+
+	// Bypass → 403 Forbidden
+	s.Assert().Contains(output, "403",
+		"bypass should return 403")
+	// header: custom X-Proxy-Info header on error response
+	s.Assert().Contains(output, "X-Proxy-Info: gost-e2e",
+		"custom header should appear in 403 response")
+	// header: custom X-Custom header on error response
+	s.Assert().Contains(output, "X-Custom: test-value",
+		"custom header should appear in 403 response")
+	// proxyAgent: custom Proxy-Agent header on error response
+	s.Assert().Contains(output, "Proxy-Agent: gost-e2e/1.0",
+		"proxyAgent should appear in 403 response")
+}
+
+// TestHTTPConnect verifies HTTP CONNECT tunnel:
+//   - sniffing-enabled: sniffing:true + sniffing.timeout:2s
+//   - no-sniffing: plain CONNECT (default, no metadata)
+//   - bypass-403: CONNECT blocked by (0.0.0.0/0) bypass
+//
+// Uses curl --proxytunnel (-p) to force CONNECT method instead of GET.
+func (s *HTTPSuite) TestHTTPConnect() {
+	s.T().Run("sniffing-enabled", func(t *testing.T) {
+		gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+			"testdata/http/server_connect.yaml", "8080/tcp")
+		s.Require().NoError(err)
+		defer gostC.Terminate(s.ctx)
+
+		cmd := []string{"curl", "-v", "-s", "-p", "-x", "http://127.0.0.1:8080",
+			fmt.Sprintf("http://%s:5678", s.echoIP)}
+		code, out, err := gostC.Exec(s.ctx, cmd)
+		s.Require().NoError(err)
+
+		body, err := io.ReadAll(out)
+		s.Require().NoError(err)
+		if code != 0 || !strings.Contains(string(body), "hello-gost") {
+			DumpLogs(s.T(), s.ctx, "http-connect sniffing logs", gostC)
+		}
+		s.Require().Equal(0, code)
+		s.Require().Contains(string(body), "hello-gost")
+	})
+
+	s.T().Run("no-sniffing", func(t *testing.T) {
+		gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+			"testdata/http/server.yaml", "8080/tcp")
+		s.Require().NoError(err)
+		defer gostC.Terminate(s.ctx)
+
+		cmd := []string{"curl", "-v", "-s", "-p", "-x", "http://127.0.0.1:8080",
+			fmt.Sprintf("http://%s:5678", s.echoIP)}
+		code, out, err := gostC.Exec(s.ctx, cmd)
+		s.Require().NoError(err)
+
+		body, err := io.ReadAll(out)
+		s.Require().NoError(err)
+		if code != 0 || !strings.Contains(string(body), "hello-gost") {
+			DumpLogs(s.T(), s.ctx, "http-connect no-sniffing logs", gostC)
+		}
+		s.Require().Equal(0, code)
+		s.Require().Contains(string(body), "hello-gost")
+	})
+
+	s.T().Run("bypass-403", func(t *testing.T) {
+		gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+			"testdata/http/server_connect_bypass.yaml", "8080/tcp")
+		s.Require().NoError(err)
+		defer gostC.Terminate(s.ctx)
+
+		cmd := []string{"curl", "-v", "-s", "-D", "-", "-o", "/dev/null",
+			"-p", "-x", "http://user:pass@127.0.0.1:8080",
+			fmt.Sprintf("http://%s:5678", s.echoIP)}
+		_, out, _ := gostC.Exec(s.ctx, cmd)
+		body, _ := io.ReadAll(out)
+		output := string(body)
+		s.Assert().Contains(output, "403",
+			"CONNECT bypass should return 403")
+	})
+}
+
+// TestHTTPProxyDirectRequest verifies that a non-proxy-form HTTP request
+// (raw GET / sent to the proxy port) is rejected with 400 Bad Request.
+// A raw request with empty Host header has no valid scheme to infer,
+// so the handler returns 400.
+func (s *HTTPSuite) TestHTTPProxyDirectRequest() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/http/server.yaml", "8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	resp := s.sendRaw(gostC, "127.0.0.1", "8080",
+		"GET / HTTP/1.0\r\nHost: bad!\r\n\r\n")
+	s.Assert().Contains(resp, "400",
+		"non-proxy GET should return 400")
+}
+
+// TestHTTPProxyPOST verifies that POST method forwarding works through
+// the HTTP forward proxy. The echo server only handles GET, so the proxy
+// should forward the POST request and return whatever the upstream sends
+// back (501 Not Implemented from the echo server — not a proxy error).
+// 501 is the real upstream response, proving the proxy forwarded it.
+func (s *HTTPSuite) TestHTTPProxyPOST() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/http/server.yaml", "8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	cmd := []string{"curl", "-v", "-s", "-o", "/dev/null", "-w", "%{http_code}",
+		"-X", "POST", "-x", "http://127.0.0.1:8080",
+		fmt.Sprintf("http://%s:5678/", s.echoIP)}
+	_, out, _ := gostC.Exec(s.ctx, cmd)
+	body, _ := io.ReadAll(out)
+	output := string(body)
+	// The echo server's BaseHTTPRequestHandler defaults to 501 for POST.
+	// If we get 501 through the proxy, it means the method was forwarded.
+	s.Assert().Contains(output, "501",
+		"POST through proxy should be forwarded, echo server returns 501")
+}
+
+// TestHTTPConnectUnreachable verifies that CONNECT to an unreachable target
+// returns 503 Service Unavailable.
+func (s *HTTPSuite) TestHTTPConnectUnreachable() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/http/server_connect.yaml", "8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// Send a raw CONNECT request to a port where nothing is listening.
+	resp := s.sendRaw(gostC, "127.0.0.1", "8080",
+		fmt.Sprintf("CONNECT %s:1 HTTP/1.0\r\nHost: %s:1\r\n\r\n", s.echoIP, s.echoIP))
+	s.Assert().Contains(resp, "503",
+		"CONNECT to unreachable target should return 503")
+}
+
+// TestHTTPConnector verifies HTTP connector type: a gost client uses an HTTP
+// connector to forward through an upstream HTTP proxy (no auth), reaching the
+// target via the proxy chain. This covers the server+client two-container
+// pattern where the client connects to the server via connector type: http.
+func (s *HTTPSuite) TestHTTPConnector() {
+	// Start upstream HTTP proxy server (no auth).
+	serverC, err := RunGostContainerWithOptions(s.ctx, SharedNetworkName,
+		"testdata/http/server.yaml", []string{"http-server"}, []string{"8080/tcp"})
+	s.Require().NoError(err)
+	defer serverC.Terminate(s.ctx)
+
+	// Render client config that chains through the upstream server.
+	rendered, err := RenderConfig("testdata/http/client_connector.yaml",
+		ConfigData{ServerAddr: "http-server:8080"})
+	s.Require().NoError(err)
+	defer os.Remove(rendered)
+
+	// Start client with the rendered config.
+	clientC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		rendered, "8080/tcp")
+	s.Require().NoError(err)
+	defer clientC.Terminate(s.ctx)
+
+	// Request through client proxy → HTTP connector → upstream HTTP server → target.
+	cmd := []string{"curl", "-v", "-s", "-x", "http://127.0.0.1:8080",
+		fmt.Sprintf("http://%s:5678", s.echoIP)}
+	code, out, err := clientC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+
+	body, err := io.ReadAll(out)
+	s.Require().NoError(err)
+	if code != 0 || !strings.Contains(string(body), "hello-gost") {
+		DumpLogs(s.T(), s.ctx, "http-connector client logs", clientC)
+		DumpLogs(s.T(), s.ctx, "http-connector server logs", serverC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost")
+}
+
+// TestHTTPConnectorAuth verifies HTTP connector with authentication:
+// no-auth → 407, correct auth → success.
+func (s *HTTPSuite) TestHTTPConnectorAuth() {
+	// Start upstream HTTP proxy with auth and network alias.
+	serverC, err := RunGostContainerWithOptions(s.ctx, SharedNetworkName,
+		"testdata/http/server_auth.yaml", []string{"http-server"}, []string{"8080/tcp"})
+	s.Require().NoError(err)
+	defer serverC.Terminate(s.ctx)
+
+	s.T().Run("no-auth-407", func(t *testing.T) {
+		// Send raw request directly to server container (no auth) → 407.
+		resp := s.sendRaw(serverC, "127.0.0.1", "8080",
+			"GET http://127.0.0.1:5678/ HTTP/1.0\r\nHost: 127.0.0.1\r\n\r\n")
+		s.Assert().Contains(resp, "407",
+			"no auth via upstream should return 407")
+	})
+
+	s.T().Run("correct-auth-success", func(t *testing.T) {
+		rendered, err := RenderConfig("testdata/http/client_connector_auth.yaml",
+			ConfigData{ServerAddr: "http-server:8080"})
+		s.Require().NoError(err)
+		defer os.Remove(rendered)
+
+		clientC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+			rendered, "8080/tcp")
+		s.Require().NoError(err)
+		defer clientC.Terminate(s.ctx)
+
+		cmd := []string{"curl", "-v", "-s", "-x", "http://127.0.0.1:8080",
+			fmt.Sprintf("http://%s:5678", s.echoIP)}
+		code, out, err := clientC.Exec(s.ctx, cmd)
+		s.Require().NoError(err)
+
+		body, err := io.ReadAll(out)
+		s.Require().NoError(err)
+		if code != 0 || !strings.Contains(string(body), "hello-gost") {
+			DumpLogs(s.T(), s.ctx, "http-connector-auth client logs", clientC)
+			DumpLogs(s.T(), s.ctx, "http-connector-auth server logs", serverC)
+		}
+		s.Require().Equal(0, code)
+		s.Require().Contains(string(body), "hello-gost")
+	})
+}
+
+// TestHTTPProbeResistHost verifies probeResist host type.
+// When auth fails, the handler pipes the raw request to
+// the decoy host (tcp-echo:5678). The TCP echo server echoes
+// back the request bytes rather than returning a 407.
+func (s *HTTPSuite) TestHTTPProbeResistHost() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/http/server_proberesist_host.yaml", "8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// Without auth, probeResist host pipes the raw request to tcp-echo:5678.
+	// The HTTP echo server returns 200 OK with "hello-gost", proving the
+	// request reached the decoy host rather than getting a 407 response.
+	resp := s.sendRaw(gostC, "127.0.0.1", "8080",
+		"GET http://127.0.0.1:5678/ HTTP/1.0\r\nHost: 127.0.0.1\r\n\r\n")
+	s.Assert().NotContains(resp, "407",
+		"probeResist host should hide 407 response")
+	s.Assert().Contains(resp, "hello-gost",
+		"probeResist host should pipe request to decoy host")
+}
+
+// TestHTTPProbeResistKnock verifies probeResist knock mechanism.
+// Clients that connect with a recognized knock Host header
+// get a normal 407 auth challenge instead of the decoy response.
+//
+// Uses server_proberesist_knock.yaml:
+//   - probeResist: code:404 (decoy 404 for unknown hosts)
+//   - knock: secret.example.com (known hosts get normal 407)
+func (s *HTTPSuite) TestHTTPProbeResistKnock() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/http/server_proberesist_knock.yaml", "8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	s.T().Run("unknown-host-decoy", func(t *testing.T) {
+		// URL hostname doesn't match knock list → probeResist fires → 404
+		resp := s.sendRaw(gostC, "127.0.0.1", "8080",
+			"GET http://127.0.0.1:5678/ HTTP/1.0\r\nHost: 127.0.0.1\r\n\r\n")
+		s.Assert().Contains(resp, "404",
+			"unknown host should get decoy 404")
+		s.Assert().NotContains(resp, "407",
+			"unknown host should NOT get 407")
+	})
+
+	s.T().Run("knock-host-407", func(t *testing.T) {
+		// URL hostname matches knock list → normal 407 auth challenge.
+		// Note: knock checks req.URL.Hostname(), not the Host header.
+		resp := s.sendRaw(gostC, "127.0.0.1", "8080",
+			"GET http://secret.example.com:5678/ HTTP/1.0\r\nHost: secret.example.com\r\n\r\n")
+		s.Assert().Contains(resp, "407",
+			"knock host should get normal 407")
+	})
+}
+
+// TestHTTPConnectorTLS verifies HTTP connector using TLS dialer
+// to upstream HTTPS proxy (listener type: tls).
+// The TLS listener auto-generates a self-signed cert;
+// the TLS dialer defaults to InsecureSkipVerify=true, so
+// handshake succeeds without explicit cert configuration.
+func (s *HTTPSuite) TestHTTPConnectorTLS() {
+	serverC, err := RunGostContainerWithOptions(s.ctx, SharedNetworkName,
+		"testdata/http/server_tls.yaml", []string{"tls-server"}, []string{"8443/tcp"})
+	s.Require().NoError(err)
+	defer serverC.Terminate(s.ctx)
+
+	rendered, err := RenderConfig("testdata/http/client_connector_tls.yaml",
+		ConfigData{ServerAddr: "tls-server:8443"})
+	s.Require().NoError(err)
+	defer os.Remove(rendered)
+
+	clientC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		rendered, "8080/tcp")
+	s.Require().NoError(err)
+	defer clientC.Terminate(s.ctx)
+
+	cmd := []string{"curl", "-v", "-s", "-x", "http://127.0.0.1:8080",
+		fmt.Sprintf("http://%s:5678", s.echoIP)}
+	code, out, err := clientC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+
+	body, err := io.ReadAll(out)
+	s.Require().NoError(err)
+	if code != 0 || !strings.Contains(string(body), "hello-gost") {
+		DumpLogs(s.T(), s.ctx, "http-connector-tls client logs", clientC)
+		DumpLogs(s.T(), s.ctx, "http-connector-tls server logs", serverC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost")
+}
+
+// TestHTTPProbeResistWeb verifies probeResist web type.
+// On auth failure, the handler fetches the decoy URL
+// (tcp-echo:5678) and returns its response body.
+func (s *HTTPSuite) TestHTTPProbeResistWeb() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		"testdata/http/server_proberesist_web.yaml", "8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// Without auth, probeResist web fetches http://tcp-echo:5678
+	// and returns the echo server's response ("hello-gost").
+	resp := s.sendRaw(gostC, "127.0.0.1", "8080",
+		"GET http://127.0.0.1:5678/ HTTP/1.0\r\nHost: 127.0.0.1\r\n\r\n")
+	s.Assert().NotContains(resp, "407",
+		"probeResist web should hide 407 response")
+	s.Assert().Contains(resp, "hello-gost",
+		"probeResist web should return decoy response body")
+}
+
+// TestHTTPProbeResistFile verifies probeResist file type.
+// On auth failure, the handler reads a local file and
+// returns its contents as the HTTP response body.
+func (s *HTTPSuite) TestHTTPProbeResistFile() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/http/server_proberesist_file.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "testdata/http/decoy.html", ContainerFilePath: "/tmp/decoy.html", FileMode: 0644},
+		},
+		"8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// Without auth, probeResist file reads /tmp/decoy.html and
+	// returns "decoy-response" rather than a 407.
+	resp := s.sendRaw(gostC, "127.0.0.1", "8080",
+		"GET http://127.0.0.1:5678/ HTTP/1.0\r\nHost: 127.0.0.1\r\n\r\n")
+	s.Assert().NotContains(resp, "407",
+		"probeResist file should hide 407 response")
+	s.Assert().Contains(resp, "decoy-response",
+		"probeResist file should return decoy file content")
+}
+
+// TestHTTPIdleTimeout verifies idleTimeout on CONNECT tunnels.
+// After the configured idle timeout, the pipe between client
+// and target should close.
+func (s *HTTPSuite) TestHTTPIdleTimeout() {
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/http/server_idle_timeout.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "scripts/http_idle_timeout.py", ContainerFilePath: "/scripts/http_idle_timeout.py", FileMode: 0644},
+		},
+		"8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// The Python script:
+	// 1. Opens a CONNECT tunnel to tcp-echo:5678
+	// 2. Sends and receives data (confirm tunnel is alive)
+	// 3. Waits > idleTimeout (3s + 2s buffer)
+	// 4. Sends more data — expects connection to be closed
+	code, out, err := gostC.Exec(s.ctx, []string{
+		"python3", "/scripts/http_idle_timeout.py",
+		"127.0.0.1", "8080", "3",
+	})
+	output, _ := io.ReadAll(out)
+	s.T().Logf("idle timeout output:\n%s", string(output))
+	if code != 0 {
+		DumpLogs(s.T(), s.ctx, "http-idle-timeout logs", gostC)
+	}
+	s.Require().Equal(0, code, "idle timeout test script should exit 0")
+}
+
+// TestHTTPUDPRelay verifies UDP relay over HTTP. Uses
+// X-Gost-Protocol: udp in the CONNECT request to establish
+// a SOCKS5 UDP tunnel through the HTTP handler.
+func (s *HTTPSuite) TestHTTPUDPRelay() {
+	// Start UDP echo container on the shared network.
+	udpC, err := RunUDPEchoContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	defer udpC.Terminate(s.ctx)
+
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName,
+		"testdata/http/server_udp.yaml",
+		[]testcontainers.ContainerFile{
+			{HostFilePath: "scripts/http_udp_relay.py", ContainerFilePath: "/scripts/http_udp_relay.py", FileMode: 0644},
+		},
+		"8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// The Python script:
+	// 1. Connects to gost HTTP proxy
+	// 2. Sends CONNECT with X-Gost-Protocol: udp
+	// 3. After 200 OK, sends a SOCKS5 UDP frame targeting udp-echo:5679
+	// 4. Reads back the echoed frame
+	code, out, err := gostC.Exec(s.ctx, []string{
+		"python3", "/scripts/http_udp_relay.py",
+		"127.0.0.1", "8080",
+	})
+	output, _ := io.ReadAll(out)
+	s.T().Logf("udp relay output:\n%s", string(output))
+	if code != 0 {
+		DumpLogs(s.T(), s.ctx, "http-udp logs", gostC)
+	}
+	s.Require().Equal(0, code, "udp relay test script should exit 0")
+}
+
+func TestHTTPSuite(t *testing.T) {
+	suite.Run(t, new(HTTPSuite))
+}

tests/e2e/main_test.go

@@ -0,0 +1,50 @@
+package e2e
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+	"os/exec"
+	"testing"
+
+	"github.com/testcontainers/testcontainers-go/network"
+)
+
+var SharedNetworkName string
+
+func TestMain(m *testing.M) {
+	flag.Parse()
+	ctx := context.Background()
+
+	shouldCleanup := false
+
+	if GostBinPath == "" {
+		GostBinPath = "/tmp/gost-test-bin"
+		cmd := exec.Command("go", "build", "-o", GostBinPath, "../../cmd/gost")
+		cmd.Env = append(os.Environ(), "CGO_ENABLED=0")
+		cmd.Stdout = os.Stdout
+		cmd.Stderr = os.Stderr
+		if err := cmd.Run(); err != nil {
+			fmt.Printf("Failed to compile gost: %v\n", err)
+			os.Exit(1)
+		}
+		shouldCleanup = true
+	}
+
+	net, err := network.New(ctx)
+	if err != nil {
+		fmt.Printf("Failed to create network: %v\n", err)
+		os.Exit(1)
+	}
+	SharedNetworkName = net.Name
+
+	code := m.Run()
+
+	net.Remove(ctx)
+	if shouldCleanup {
+		os.Remove(GostBinPath)
+	}
+
+	os.Exit(code)
+}

tests/e2e/mtls_test.go

@@ -0,0 +1,289 @@
+package e2e
+
+import (
+	"context"
+	"crypto/ecdsa"
+	"crypto/elliptic"
+	"crypto/rand"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/pem"
+	"fmt"
+	"io"
+	"math/big"
+	"net"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/moby/moby/client"
+	"github.com/stretchr/testify/suite"
+	"github.com/testcontainers/testcontainers-go"
+	"github.com/testcontainers/testcontainers-go/wait"
+)
+
+type MTLSSuite struct {
+	suite.Suite
+	ctx     context.Context
+	echoC   testcontainers.Container
+	echoIP  string
+	pluginC testcontainers.Container
+	certDir string
+}
+
+func (s *MTLSSuite) SetupSuite() {
+	s.ctx = context.Background()
+
+	certDir, err := os.MkdirTemp("", "gost-mtls-certs-*")
+	s.Require().NoError(err)
+	s.certDir = certDir
+
+	s.generateCerts()
+
+	pluginC, err := runAuthPluginContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	s.pluginC = pluginC
+
+	echoC, err := RunEchoContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	s.echoC = echoC
+
+	echoIP, err := echoC.ContainerIP(s.ctx)
+	s.Require().NoError(err)
+	s.echoIP = echoIP
+}
+
+func (s *MTLSSuite) TearDownSuite() {
+	if s.pluginC != nil {
+		s.pluginC.Terminate(s.ctx)
+	}
+	if s.echoC != nil {
+		s.echoC.Terminate(s.ctx)
+	}
+	os.RemoveAll(s.certDir)
+}
+
+// generateCerts creates a self-signed CA, a server cert signed by the CA,
+// and a client cert signed by the CA, writing PEM files to s.certDir.
+func (s *MTLSSuite) generateCerts() {
+	// CA
+	caKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	s.Require().NoError(err)
+	caTmpl := &x509.Certificate{
+		SerialNumber:          big.NewInt(1),
+		Subject:               pkix.Name{CommonName: "Test CA"},
+		NotBefore:             time.Now(),
+		NotAfter:              time.Now().Add(24 * time.Hour),
+		KeyUsage:              x509.KeyUsageCertSign | x509.KeyUsageDigitalSignature,
+		BasicConstraintsValid: true,
+		IsCA:                  true,
+	}
+	caDER, err := x509.CreateCertificate(rand.Reader, caTmpl, caTmpl, &caKey.PublicKey, caKey)
+	s.Require().NoError(err)
+	s.writeCertPEM(s.certDir+"/ca.pem", "CERTIFICATE", caDER)
+	s.writeKeyPEM(s.certDir+"/ca-key.pem", "EC PRIVATE KEY", caKey)
+
+	// Server
+	serverKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	s.Require().NoError(err)
+	serverTmpl := &x509.Certificate{
+		SerialNumber: big.NewInt(2),
+		Subject:      pkix.Name{CommonName: "localhost"},
+		NotBefore:    time.Now(),
+		NotAfter:     time.Now().Add(24 * time.Hour),
+		KeyUsage:     x509.KeyUsageDigitalSignature,
+		ExtKeyUsage:  []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
+		DNSNames:     []string{"localhost"},
+		IPAddresses:  []net.IP{net.ParseIP("127.0.0.1")},
+	}
+	serverDER, err := x509.CreateCertificate(rand.Reader, serverTmpl, caTmpl, &serverKey.PublicKey, caKey)
+	s.Require().NoError(err)
+	s.writeCertPEM(s.certDir+"/server.pem", "CERTIFICATE", serverDER)
+	s.writeKeyPEM(s.certDir+"/server-key.pem", "EC PRIVATE KEY", serverKey)
+
+	// Client
+	clientKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	s.Require().NoError(err)
+	clientTmpl := &x509.Certificate{
+		SerialNumber:   big.NewInt(3),
+		Subject:        pkix.Name{CommonName: "test-client"},
+		NotBefore:      time.Now(),
+		NotAfter:       time.Now().Add(24 * time.Hour),
+		KeyUsage:       x509.KeyUsageDigitalSignature,
+		ExtKeyUsage:    []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth},
+		EmailAddresses: []string{"test@example.com"},
+	}
+	clientDER, err := x509.CreateCertificate(rand.Reader, clientTmpl, caTmpl, &clientKey.PublicKey, caKey)
+	s.Require().NoError(err)
+	s.writeCertPEM(s.certDir+"/client.pem", "CERTIFICATE", clientDER)
+	s.writeKeyPEM(s.certDir+"/client-key.pem", "EC PRIVATE KEY", clientKey)
+}
+
+// TestMTLSProxy verifies HTTP forward proxy works over an mTLS listener
+// with a valid client certificate.
+func (s *MTLSSuite) TestMTLSProxy() {
+	rendered, err := RenderConfig("testdata/mtls/server.yaml",
+		ConfigData{ServerAddr: "auth-plugin"})
+	s.Require().NoError(err)
+	defer os.Remove(rendered)
+
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName, rendered,
+		[]testcontainers.ContainerFile{
+			{HostFilePath: s.certDir + "/ca.pem", ContainerFilePath: "/certs/ca.pem", FileMode: 0644},
+			{HostFilePath: s.certDir + "/server.pem", ContainerFilePath: "/certs/server.pem", FileMode: 0644},
+			{HostFilePath: s.certDir + "/server-key.pem", ContainerFilePath: "/certs/server-key.pem", FileMode: 0644},
+			{HostFilePath: s.certDir + "/client.pem", ContainerFilePath: "/certs/client.pem", FileMode: 0644},
+			{HostFilePath: s.certDir + "/client-key.pem", ContainerFilePath: "/certs/client-key.pem", FileMode: 0644},
+		},
+		"8443/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// Verify proxy works with valid client cert
+	cmd := []string{"curl", "-v", "-s", "--connect-timeout", "5",
+		"--cacert", "/certs/ca.pem",
+		"--cert", "/certs/client.pem",
+		"--key", "/certs/client-key.pem",
+		"-x", "https://127.0.0.1:8443",
+		fmt.Sprintf("http://%s:5678", s.echoIP)}
+	code, out, err := gostC.Exec(s.ctx, cmd)
+	body, err2 := io.ReadAll(out)
+	if err != nil || err2 != nil || code != 0 || !strings.Contains(string(body), "hello-gost") {
+		DumpLogs(s.T(), s.ctx, "mtls gost logs", gostC)
+		DumpLogs(s.T(), s.ctx, "mtls auth-plugin logs", s.pluginC)
+	}
+	s.Require().NoError(err)
+	s.Require().NoError(err2)
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost")
+}
+
+// TestMTLSWithoutClientCert verifies that an mTLS listener rejects
+// connections from clients that do not present a certificate.
+func (s *MTLSSuite) TestMTLSWithoutClientCert() {
+	rendered, err := RenderConfig("testdata/mtls/server.yaml",
+		ConfigData{ServerAddr: "auth-plugin"})
+	s.Require().NoError(err)
+	defer os.Remove(rendered)
+
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName, rendered,
+		[]testcontainers.ContainerFile{
+			{HostFilePath: s.certDir + "/ca.pem", ContainerFilePath: "/certs/ca.pem", FileMode: 0644},
+			{HostFilePath: s.certDir + "/server.pem", ContainerFilePath: "/certs/server.pem", FileMode: 0644},
+			{HostFilePath: s.certDir + "/server-key.pem", ContainerFilePath: "/certs/server-key.pem", FileMode: 0644},
+			{HostFilePath: s.certDir + "/client.pem", ContainerFilePath: "/certs/client.pem", FileMode: 0644},
+			{HostFilePath: s.certDir + "/client-key.pem", ContainerFilePath: "/certs/client-key.pem", FileMode: 0644},
+		},
+		"8443/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// curl without client cert should fail TLS handshake
+	cmd := []string{"curl", "-v", "-s", "--connect-timeout", "5",
+		"--cacert", "/certs/ca.pem",
+		"-x", "https://127.0.0.1:8443",
+		fmt.Sprintf("http://%s:5678", s.echoIP)}
+	code, _, err := gostC.Exec(s.ctx, cmd)
+	if err == nil && code == 0 {
+		DumpLogs(s.T(), s.ctx, "mtls gost logs", gostC)
+	}
+	// Expect failure (non-zero exit code from curl)
+	s.Require().NotEqual(0, code, "curl without client cert should fail with non-zero exit code")
+}
+
+// TestMTLSAuthPluginLogs verifies that the HTTP auth plugin receives
+// the mTLS client certificate identity (client_cn, client_san,
+// client_cert_fingerprint) when a request passes through the mTLS listener.
+func (s *MTLSSuite) TestMTLSAuthPluginLogs() {
+	rendered, err := RenderConfig("testdata/mtls/server.yaml",
+		ConfigData{ServerAddr: "auth-plugin"})
+	s.Require().NoError(err)
+	defer os.Remove(rendered)
+
+	gostC, err := RunGostContainerWithFiles(s.ctx, SharedNetworkName, rendered,
+		[]testcontainers.ContainerFile{
+			{HostFilePath: s.certDir + "/ca.pem", ContainerFilePath: "/certs/ca.pem", FileMode: 0644},
+			{HostFilePath: s.certDir + "/server.pem", ContainerFilePath: "/certs/server.pem", FileMode: 0644},
+			{HostFilePath: s.certDir + "/server-key.pem", ContainerFilePath: "/certs/server-key.pem", FileMode: 0644},
+			{HostFilePath: s.certDir + "/client.pem", ContainerFilePath: "/certs/client.pem", FileMode: 0644},
+			{HostFilePath: s.certDir + "/client-key.pem", ContainerFilePath: "/certs/client-key.pem", FileMode: 0644},
+		},
+		"8443/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// Send a request with valid client cert through the mTLS proxy.
+	cmd := []string{"curl", "-v", "-s", "--connect-timeout", "5",
+		"--cacert", "/certs/ca.pem",
+		"--cert", "/certs/client.pem",
+		"--key", "/certs/client-key.pem",
+		"-x", "https://127.0.0.1:8443",
+		fmt.Sprintf("http://%s:5678", s.echoIP)}
+	code, out, err := gostC.Exec(s.ctx, cmd)
+	body, _ := io.ReadAll(out)
+	s.Require().NoError(err)
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost")
+
+	// Read auth plugin logs and verify PeerCert fields are present.
+	logs, err := s.pluginC.Logs(s.ctx)
+	s.Require().NoError(err)
+	logData, _ := io.ReadAll(logs)
+	logStr := string(logData)
+	s.T().Logf("auth plugin logs:\n%s", logStr)
+
+	s.Require().Contains(logStr, "clientCn", "auth plugin should receive client_cn")
+	s.Require().Contains(logStr, "test-client", "client_cn should be 'test-client'")
+	s.Require().Contains(logStr, "clientSan", "auth plugin should receive client_san")
+	s.Require().Contains(logStr, "clientCertFingerprint", "auth plugin should receive client_cert_fingerprint")
+}
+
+func TestMTLSSuite(t *testing.T) {
+	suite.Run(t, new(MTLSSuite))
+}
+
+// --- helpers ---
+
+func runAuthPluginContainer(ctx context.Context, networkName string) (testcontainers.Container, error) {
+	req := testcontainers.ContainerRequest{
+		FromDockerfile: testcontainers.FromDockerfile{
+			Context:    ".",
+			Dockerfile: "Dockerfile",
+			Repo:       "gost-e2e",
+			Tag:        "latest",
+			KeepImage:  true,
+			BuildOptionsModifier: func(opts *client.ImageBuildOptions) {
+				opts.NetworkMode = "host"
+			},
+		},
+		Networks: []string{networkName},
+		NetworkAliases: map[string][]string{
+			networkName: {"auth-plugin"},
+		},
+		Files: []testcontainers.ContainerFile{
+			{HostFilePath: "scripts/auth_plugin.py", ContainerFilePath: "/scripts/auth_plugin.py", FileMode: 0644},
+		},
+		ExposedPorts: []string{"9000/tcp"},
+		Cmd:          []string{"python3", "/scripts/auth_plugin.py", "9000"},
+		WaitingFor:   wait.ForExposedPort(),
+	}
+	return testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
+		ContainerRequest: req,
+		Started:          true,
+	})
+}
+
+// writeCertPEM writes a DER-encoded certificate to a PEM file.
+func (s *MTLSSuite) writeCertPEM(path, blockType string, der []byte) {
+	err := os.WriteFile(path, pem.EncodeToMemory(&pem.Block{Type: blockType, Bytes: der}), 0644)
+	s.Require().NoError(err)
+}
+
+// writeKeyPEM marshals an ECDSA private key and writes it to a PEM file.
+func (s *MTLSSuite) writeKeyPEM(path, blockType string, key *ecdsa.PrivateKey) {
+	b, err := x509.MarshalECPrivateKey(key)
+	s.Require().NoError(err)
+	err = os.WriteFile(path, pem.EncodeToMemory(&pem.Block{Type: blockType, Bytes: b}), 0600)
+	s.Require().NoError(err)
+}

tests/e2e/parallel_selector_test.go

@@ -0,0 +1,57 @@
+package e2e
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/testcontainers/testcontainers-go"
+)
+
+type ParallelSelectorSuite struct {
+	suite.Suite
+	ctx    context.Context
+	echoC  testcontainers.Container
+	echoIP string
+}
+
+func (s *ParallelSelectorSuite) SetupSuite() {
+	s.ctx = context.Background()
+
+	echoC, err := RunEchoContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	s.echoC = echoC
+
+	echoIP, err := echoC.ContainerIP(s.ctx)
+	s.Require().NoError(err)
+	s.echoIP = echoIP
+}
+
+func (s *ParallelSelectorSuite) TearDownSuite() {
+	if s.echoC != nil {
+		s.echoC.Terminate(s.ctx)
+	}
+}
+
+func (s *ParallelSelectorSuite) TestParallelSelector() {
+	gostC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName, "testdata/parallel_selector/server.yaml", "8080/tcp")
+	s.Require().NoError(err)
+	defer gostC.Terminate(s.ctx)
+
+	// Test the proxy by running curl inside the gost container
+	cmd := []string{"curl", "-v", "-s", "-x", "http://127.0.0.1:8080", fmt.Sprintf("http://%s:5678", s.echoIP)}
+	code, out, err := gostC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+
+	body, err := io.ReadAll(out)
+	s.Require().NoError(err)
+	s.Require().Equal(0, code)
+
+	s.Require().Contains(string(body), "hello-gost")
+}
+
+func TestParallelSelectorSuite(t *testing.T) {
+	suite.Run(t, new(ParallelSelectorSuite))
+}

tests/e2e/pht_test.go

@@ -0,0 +1,157 @@
+package e2e
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/testcontainers/testcontainers-go"
+)
+
+type PHTSuite struct {
+	suite.Suite
+	ctx    context.Context
+	echoC  testcontainers.Container
+	echoIP string
+}
+
+func (s *PHTSuite) SetupSuite() {
+	s.ctx = context.Background()
+
+	s.T().Logf("start tcp echo container...")
+	echoC, err := RunEchoContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	s.echoC = echoC
+
+	echoIP, err := echoC.ContainerIP(s.ctx)
+	s.Require().NoError(err)
+	s.echoIP = echoIP
+}
+
+func (s *PHTSuite) TearDownSuite() {
+	if s.echoC != nil {
+		s.echoC.Terminate(s.ctx)
+	}
+}
+
+// TestPHTTunnel verifies a basic PHT tunnel: a client HTTP proxy chains
+// through a PHT dialer to reach a PHT server, which forwards the request
+// to the echo server.
+func (s *PHTSuite) TestPHTTunnel() {
+	serverC, err := RunGostContainerWithOptions(s.ctx, SharedNetworkName,
+		"testdata/pht/server.yaml",
+		[]string{"pht-server"}, []string{"8443/tcp"})
+	s.Require().NoError(err)
+	defer serverC.Terminate(s.ctx)
+
+	rendered, err := RenderConfig("testdata/pht/client_connector.yaml",
+		ConfigData{ServerAddr: "pht-server:8443"})
+	s.Require().NoError(err)
+	defer os.Remove(rendered)
+
+	clientC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		rendered, "8080/tcp")
+	s.Require().NoError(err)
+	defer clientC.Terminate(s.ctx)
+
+	cmd := []string{"curl", "-v", "-s", "-x", "http://127.0.0.1:8080",
+		fmt.Sprintf("http://%s:5678", s.echoIP)}
+	code, out, err := clientC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+
+	body, err := io.ReadAll(out)
+	s.Require().NoError(err)
+	if code != 0 || !strings.Contains(string(body), "hello-gost") {
+		DumpLogs(s.T(), s.ctx, "pht client logs", clientC)
+		DumpLogs(s.T(), s.ctx, "pht server logs", serverC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost")
+}
+
+// TestPHTSTunnel verifies PHT over TLS. The PHTs listener auto-generates a
+// self-signed cert; the PHTs dialer defaults to InsecureSkipVerify so the
+// handshake succeeds without explicit cert configuration.
+func (s *PHTSuite) TestPHTSTunnel() {
+	serverC, err := RunGostContainerWithOptions(s.ctx, SharedNetworkName,
+		"testdata/pht/server_phts.yaml",
+		[]string{"phts-server"}, []string{"8443/tcp"})
+	s.Require().NoError(err)
+	defer serverC.Terminate(s.ctx)
+
+	rendered, err := RenderConfig("testdata/pht/client_connector_phts.yaml",
+		ConfigData{ServerAddr: "phts-server:8443"})
+	s.Require().NoError(err)
+	defer os.Remove(rendered)
+
+	clientC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		rendered, "8080/tcp")
+	s.Require().NoError(err)
+	defer clientC.Terminate(s.ctx)
+
+	cmd := []string{"curl", "-v", "-s", "-x", "http://127.0.0.1:8080",
+		fmt.Sprintf("http://%s:5678", s.echoIP)}
+	code, out, err := clientC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+
+	body, err := io.ReadAll(out)
+	s.Require().NoError(err)
+	if code != 0 || !strings.Contains(string(body), "hello-gost") {
+		DumpLogs(s.T(), s.ctx, "phts client logs", clientC)
+		DumpLogs(s.T(), s.ctx, "phts server logs", serverC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost")
+}
+
+// TestPHTHeartbeat verifies that the PHT tunnel stays alive across idle
+// periods. Sends a request, waits >readTimeout (default 10s), and sends
+// another request to confirm the heartbeat kept the connection open.
+func (s *PHTSuite) TestPHTHeartbeat() {
+	serverC, err := RunGostContainerWithOptions(s.ctx, SharedNetworkName,
+		"testdata/pht/server.yaml",
+		[]string{"pht-server"}, []string{"8443/tcp"})
+	s.Require().NoError(err)
+	defer serverC.Terminate(s.ctx)
+
+	rendered, err := RenderConfig("testdata/pht/client_connector.yaml",
+		ConfigData{ServerAddr: "pht-server:8443"})
+	s.Require().NoError(err)
+	defer os.Remove(rendered)
+
+	clientC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName,
+		rendered, "8080/tcp")
+	s.Require().NoError(err)
+	defer clientC.Terminate(s.ctx)
+
+	// First request: establish the tunnel.
+	cmd := []string{"curl", "-v", "-s", "-x", "http://127.0.0.1:8080",
+		fmt.Sprintf("http://%s:5678", s.echoIP)}
+	code, out, err := clientC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+	body, _ := io.ReadAll(out)
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost")
+
+	// Wait longer than readTimeout to trigger heartbeat.
+	// The PHT server's default read timeout is 10s. We wait 12s.
+	cmd = []string{"sh", "-c",
+		fmt.Sprintf("sleep 12 && curl -s -x http://127.0.0.1:8080 http://%s:5678", s.echoIP)}
+	code, out, err = clientC.Exec(s.ctx, cmd)
+	s.Require().NoError(err)
+	body, _ = io.ReadAll(out)
+	if code != 0 || !strings.Contains(string(body), "hello-gost") {
+		DumpLogs(s.T(), s.ctx, "pht heartbeat client logs", clientC)
+		DumpLogs(s.T(), s.ctx, "pht heartbeat server logs", serverC)
+	}
+	s.Require().Equal(0, code)
+	s.Require().Contains(string(body), "hello-gost")
+}
+
+func TestPHTSuite(t *testing.T) {
+	suite.Run(t, new(PHTSuite))
+}

tests/e2e/scripts/auth_plugin.py

@@ -0,0 +1,27 @@
+import http.server
+import json
+import sys
+
+
+class AuthHandler(http.server.BaseHTTPRequestHandler):
+    def do_POST(self):
+        length = int(self.headers.get('Content-Length', 0))
+        body = self.rfile.read(length)
+        data = json.loads(body)
+        print(f"AUTH_REQUEST: {json.dumps(data)}", flush=True)
+        self.send_response(200)
+        self.send_header("Content-Type", "application/json")
+        self.end_headers()
+        self.wfile.write(
+            json.dumps(
+                {"ok": True, "id": data.get("username", "anonymous")}
+            ).encode()
+        )
+
+    def log_message(self, format, *args):
+        pass  # silence default logging, we use our own AUTH_REQUEST line
+
+
+if __name__ == "__main__":
+    port = int(sys.argv[1]) if len(sys.argv) > 1 else 9000
+    http.server.HTTPServer(("0.0.0.0", port), AuthHandler).serve_forever()

tests/e2e/scripts/dns_query.py

@@ -0,0 +1,162 @@
+"""DNS query client for e2e tests.
+
+Usage:
+  python3 dns_query.py udp host port qname qtype [expected_ip|empty]
+  python3 dns_query.py tcp host port qname qtype [expected_ip|empty]
+
+Sends a DNS query and optionally checks the response:
+  - expected_ip: verify response contains this IP address
+  - "empty":     verify response has zero answer records (NXDOMAIN or blocked)
+  - omitted:     exit 0 on any valid DNS response
+
+Exits 0 on success, 1 on failure.
+"""
+import struct
+import socket
+import sys
+
+
+def encode_name(name):
+    parts = name.rstrip(".").split(".")
+    return b"".join(bytes([len(p)]) + p.encode() for p in parts) + b"\x00"
+
+
+def skip_name(data, pos):
+    """Skip one DNS name at pos, return position after it."""
+    while True:
+        length = data[pos]
+        if length == 0:
+            return pos + 1
+        if length & 0xC0:
+            return pos + 2
+        pos += length + 1
+
+
+def build_query(qname, qtype):
+    tid = 0x1234
+    flags = 0x0100  # RD=1
+    qdcount = 1
+    header = struct.pack(">HHHHHH", tid, flags, qdcount, 0, 0, 0)
+    qname_enc = encode_name(qname)
+    question = qname_enc + struct.pack(">HH", qtype, 1)  # QTYPE, QCLASS=IN
+    return header + question
+
+
+def parse_response(data):
+    if len(data) < 12:
+        return [], -1
+    flags = struct.unpack(">H", data[2:4])[0]
+    rcode = flags & 0x0F
+    qdcount = struct.unpack(">H", data[4:6])[0]
+    ancount = struct.unpack(">H", data[6:8])[0]
+
+    # Skip question section
+    pos = 12
+    for _ in range(qdcount):
+        pos = skip_name(data, pos) + 4  # QTYPE + QCLASS
+
+    answers = []
+    for _ in range(ancount):
+        pos = skip_name(data, pos)
+        rtype, rclass, ttl, rdlength = struct.unpack(">HHIH", data[pos:pos + 10])
+        pos += 10
+        rdata = data[pos:pos + rdlength]
+        pos += rdlength
+        answers.append((rtype, rclass, ttl, rdata))
+
+    return answers, rcode
+
+
+def query_udp(host, port, query):
+    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    sock.settimeout(5)
+    sock.sendto(query, (host, port))
+    data, _ = sock.recvfrom(4096)
+    sock.close()
+    return data
+
+
+def query_tcp(host, port, query):
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    sock.settimeout(5)
+    sock.connect((host, port))
+    sock.sendall(struct.pack(">H", len(query)) + query)
+    raw = sock.recv(2)
+    if len(raw) < 2:
+        sock.close()
+        return b""
+    msglen = struct.unpack(">H", raw)[0]
+    data = b""
+    while len(data) < msglen:
+        chunk = sock.recv(msglen - len(data))
+        if not chunk:
+            break
+        data += chunk
+    sock.close()
+    return data
+
+
+def format_ip(rtype, rdata):
+    if rtype == 1 and len(rdata) == 4:
+        return socket.inet_ntoa(rdata)
+    if rtype == 28 and len(rdata) == 16:
+        return socket.inet_ntop(socket.AF_INET6, rdata)
+    return repr(rdata)
+
+
+def main():
+    if len(sys.argv) < 5:
+        print("Usage: dns_query.py <udp|tcp> <host> <port> <qname> <qtype> [expected_ip|empty]")
+        sys.exit(1)
+
+    mode = sys.argv[1]
+    host = sys.argv[2]
+    port = int(sys.argv[3])
+    qname = sys.argv[4]
+    qtype_str = sys.argv[5]
+    expected = sys.argv[6] if len(sys.argv) > 6 else None
+
+    qtype_map = {"A": 1, "AAAA": 28}
+    qtype = qtype_map.get(qtype_str, 1)
+
+    query = build_query(qname, qtype)
+
+    try:
+        if mode == "tcp":
+            data = query_tcp(host, port, query)
+        else:
+            data = query_udp(host, port, query)
+    except Exception as e:
+        print(f"ERROR: {e}")
+        sys.exit(1)
+
+    if not data:
+        print("ERROR: empty response")
+        sys.exit(1)
+
+    answers, rcode = parse_response(data)
+    print(f"Got {len(answers)} answer(s), rcode={rcode}")
+
+    for rtype, _, _, rdata in answers:
+        print(f"  {format_ip(rtype, rdata)}")
+
+    if expected == "empty":
+        if len(answers) == 0:
+            print("MATCH: empty answer (expected)")
+            sys.exit(0)
+        print(f"NO MATCH: expected empty, got {len(answers)} answers")
+        sys.exit(1)
+    elif expected:
+        for rtype, _, _, rdata in answers:
+            ip = format_ip(rtype, rdata)
+            if ip == expected:
+                print(f"MATCH: expected {expected}")
+                sys.exit(0)
+        print(f"NO MATCH: expected {expected}")
+        sys.exit(1)
+    else:
+        sys.exit(0)
+
+
+if __name__ == "__main__":
+    main()

tests/e2e/scripts/dns_responder.py

@@ -0,0 +1,88 @@
+"""Simple authoritative DNS responder for e2e tests.
+
+Listens on UDP port 5353 and responds with static records:
+
+  test.example.com.   IN A     10.0.0.1
+  test2.example.com.  IN A     10.0.0.2
+  example.com.        IN AAAA  ::1
+
+All other queries receive NXDOMAIN.
+"""
+import socketserver
+import struct
+import socket
+
+
+def decode_name(data, offset):
+    labels = []
+    while True:
+        length = data[offset]
+        if length == 0:
+            offset += 1
+            break
+        if length & 0xC0:
+            offset += 2
+            break
+        offset += 1
+        labels.append(data[offset:offset + length].decode())
+        offset += length
+    return '.'.join(labels), offset
+
+
+def encode_name(name):
+    parts = name.rstrip(".").split(".")
+    return b"".join(bytes([len(p)]) + p.encode() for p in parts) + b"\x00"
+
+
+RECORDS = {
+    ("test.example.com", 1): (1, 300, socket.inet_aton("10.0.0.1")),
+    ("test2.example.com", 1): (1, 300, socket.inet_aton("10.0.0.2")),
+    ("example.com", 28): (28, 300, socket.inet_pton(socket.AF_INET6, "::1")),
+}
+
+
+class DNSResponder(socketserver.DatagramRequestHandler):
+    def handle(self):
+        data = self.rfile.read(512)
+        if len(data) < 12:
+            return
+
+        tid = struct.unpack(">H", data[:2])[0]
+        qdcount = struct.unpack(">H", data[4:6])[0]
+
+        if qdcount == 0:
+            return
+
+        qname, pos = decode_name(data, 12)
+        qtype = struct.unpack(">H", data[pos:pos + 2])[0]
+        qclass = struct.unpack(">H", data[pos + 2:pos + 4])[0]
+
+        key = (qname, qtype)
+        if key in RECORDS:
+            rcode = 0
+            ancount = 1
+            rtype, ttl, rdata = RECORDS[key]
+        else:
+            rcode = 3  # NXDOMAIN
+            ancount = 0
+            rtype, ttl, rdata = 0, 0, b""
+
+        flags = 0x8000 | 0x0400 | rcode  # QR=1, AA=1, rcode
+        header = struct.pack(">HHHHHH", tid, flags, qdcount, ancount, 0, 0)
+
+        question = data[12:pos + 4]
+
+        answer = b""
+        if ancount:
+            answer = (
+                struct.pack(">HH", 0xC00C, rtype)  # NAME pointer + TYPE
+                + struct.pack(">HI", qclass, ttl)   # CLASS + TTL
+                + struct.pack(">H", len(rdata)) + rdata  # RDLENGTH + RDATA
+            )
+
+        self.wfile.write(header + question + answer)
+
+
+if __name__ == "__main__":
+    with socketserver.UDPServer(("0.0.0.0", 5353), DNSResponder) as srv:
+        srv.serve_forever()

tests/e2e/scripts/dns_responder_tcp.py

@@ -0,0 +1,83 @@
+"""Simple authoritative DNS responder for TCP mode e2e tests.
+
+Listens on TCP port 5353 and responds with the same static records
+as dns_responder.py, but over TCP (RFC 5966).
+"""
+import socketserver
+import struct
+import socket
+
+
+def decode_name(data, offset):
+    labels = []
+    while True:
+        length = data[offset]
+        if length == 0:
+            offset += 1
+            break
+        if length & 0xC0:
+            offset += 2
+            break
+        offset += 1
+        labels.append(data[offset:offset + length].decode())
+        offset += length
+    return '.'.join(labels), offset
+
+
+RECORDS = {
+    ("test.example.com", 1): (1, 300, socket.inet_aton("10.0.0.1")),
+    ("test2.example.com", 1): (1, 300, socket.inet_aton("10.0.0.2")),
+    ("example.com", 28): (28, 300, socket.inet_pton(socket.AF_INET6, "::1")),
+}
+
+
+class DNSResponder(socketserver.StreamRequestHandler):
+    def handle(self):
+        # TCP DNS: 2-byte length prefix
+        raw = self.rfile.read(2)
+        if len(raw) < 2:
+            return
+        msglen = struct.unpack(">H", raw)[0]
+        data = self.rfile.read(msglen)
+        if len(data) < 12:
+            return
+
+        tid = struct.unpack(">H", data[:2])[0]
+        qdcount = struct.unpack(">H", data[4:6])[0]
+
+        if qdcount == 0:
+            return
+
+        qname, pos = decode_name(data, 12)
+        qtype = struct.unpack(">H", data[pos:pos + 2])[0]
+        qclass = struct.unpack(">H", data[pos + 2:pos + 4])[0]
+
+        key = (qname, qtype)
+        if key in RECORDS:
+            rcode = 0
+            ancount = 1
+            rtype, ttl, rdata = RECORDS[key]
+        else:
+            rcode = 3  # NXDOMAIN
+            ancount = 0
+            rtype, ttl, rdata = 0, 0, b""
+
+        flags = 0x8000 | 0x0400 | rcode
+        header = struct.pack(">HHHHHH", tid, flags, qdcount, ancount, 0, 0)
+        question = data[12:pos + 4]
+
+        answer = b""
+        if ancount:
+            answer = (
+                struct.pack(">HH", 0xC00C, rtype)
+                + struct.pack(">HI", qclass, ttl)
+                + struct.pack(">H", len(rdata)) + rdata
+            )
+
+        dnsmsg = header + question + answer
+        self.wfile.write(struct.pack(">H", len(dnsmsg)) + dnsmsg)
+
+
+if __name__ == "__main__":
+    with socketserver.TCPServer(("0.0.0.0", 5353), DNSResponder) as srv:
+        srv.serve_forever()

tests/e2e/scripts/dns_tls_query.py

@@ -0,0 +1,140 @@
+"""DNS query client over TLS for e2e tests.
+
+Connects to the DNS-over-TLS endpoint and performs a DNS query.
+
+Usage:
+  python3 dns_tls_query.py host port qname qtype [expected_ip]
+"""
+import struct
+import socket
+import ssl
+import sys
+
+
+def encode_name(name):
+    parts = name.rstrip(".").split(".")
+    return b"".join(bytes([len(p)]) + p.encode() for p in parts) + b"\x00"
+
+
+def build_query(tid, qname, qtype):
+    flags = 0x0100
+    qdcount = 1
+    header = struct.pack(">HHHHHH", tid, flags, qdcount, 0, 0, 0)
+    qname_enc = encode_name(qname)
+    question = qname_enc + struct.pack(">HH", qtype, 1)
+    return header + question
+
+
+def parse_response(data):
+    if len(data) < 12:
+        return [], -1
+    flags = struct.unpack(">H", data[2:4])[0]
+    rcode = flags & 0x0F
+    qdcount = struct.unpack(">H", data[4:6])[0]
+    ancount = struct.unpack(">H", data[6:8])[0]
+
+    pos = 12
+    for _ in range(qdcount):
+        while data[pos] != 0:
+            if data[pos] & 0xC0:
+                pos += 2
+                break
+            pos += data[pos] + 1
+        else:
+            pos += 1
+        pos += 4
+
+    answers = []
+    for _ in range(ancount):
+        if data[pos] & 0xC0:
+            pos += 2
+        else:
+            while data[pos] != 0:
+                pos += data[pos] + 1
+            pos += 1
+        rtype, rclass, ttl, rdlength = struct.unpack(">HHIH", data[pos:pos + 10])
+        pos += 10
+        rdata = data[pos:pos + rdlength]
+        pos += rdlength
+        answers.append((rtype, rdata))
+
+    return answers, rcode
+
+
+def main():
+    if len(sys.argv) < 5:
+        print(f"Usage: {sys.argv[0]} host port qname qtype [expected_ip]")
+        sys.exit(1)
+
+    host = sys.argv[1]
+    port = int(sys.argv[2])
+    qname = sys.argv[3]
+    qtype_str = sys.argv[4]
+    expected = sys.argv[5] if len(sys.argv) > 5 else None
+
+    qtype_map = {"A": 1, "AAAA": 28}
+    qtype = qtype_map.get(qtype_str, 1)
+
+    query = build_query(0x1234, qname, qtype)
+
+    ctx = ssl.create_default_context()
+    ctx.check_hostname = False
+    ctx.verify_mode = ssl.CERT_NONE
+
+    try:
+        with socket.create_connection((host, port), timeout=5) as sock:
+            with ctx.wrap_socket(sock, server_hostname=host) as tls_sock:
+                # TCP DNS: 2-byte length prefix
+                tls_sock.sendall(struct.pack(">H", len(query)) + query)
+                raw = tls_sock.recv(2)
+                if len(raw) < 2:
+                    print("ERROR: short response header")
+                    sys.exit(1)
+                msglen = struct.unpack(">H", raw)[0]
+                data = b""
+                while len(data) < msglen:
+                    chunk = tls_sock.recv(msglen - len(data))
+                    if not chunk:
+                        break
+                    data += chunk
+    except Exception as e:
+        print(f"ERROR: {e}")
+        sys.exit(1)
+
+    if not data:
+        print("ERROR: empty response")
+        sys.exit(1)
+
+    answers, rcode = parse_response(data)
+    print(f"Got {len(answers)} answer(s), rcode={rcode}")
+
+    for rtype, rdata in answers:
+        if rtype == 1 and len(rdata) == 4:
+            ip = socket.inet_ntoa(rdata)
+            print(f"  A {ip}")
+        elif rtype == 28 and len(rdata) == 16:
+            ip6 = socket.inet_ntop(socket.AF_INET6, rdata)
+            print(f"  AAAA {ip6}")
+        else:
+            print(f"  TYPE={rtype} RDATA={rdata.hex()}")
+
+    if expected:
+        for rtype, rdata in answers:
+            if rtype == 1 and len(rdata) == 4:
+                ip = socket.inet_ntoa(rdata)
+                if ip == expected:
+                    print(f"MATCH: expected {expected}")
+                    sys.exit(0)
+            elif rtype == 28 and len(rdata) == 16:
+                ip6 = socket.inet_ntop(socket.AF_INET6, rdata)
+                if ip6 == expected:
+                    print(f"MATCH: expected {expected}")
+                    sys.exit(0)
+        print(f"NO MATCH: expected {expected}")
+        sys.exit(1)
+
+    sys.exit(0)
+
+
+if __name__ == "__main__":
+    main()

tests/e2e/scripts/http_idle_timeout.py

@@ -0,0 +1,68 @@
+import socket
+import sys
+import time
+
+
+def main():
+    host = sys.argv[1] if len(sys.argv) > 1 else "127.0.0.1"
+    port = int(sys.argv[2]) if len(sys.argv) > 2 else 8080
+    idle_timeout = int(sys.argv[3]) if len(sys.argv) > 3 else 3
+
+    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    s.settimeout(10)
+    s.connect((host, port))
+
+    # CONNECT to echo server
+    req = b"CONNECT tcp-echo:5678 HTTP/1.1\r\nHost: tcp-echo:5678\r\n\r\n"
+    s.sendall(req)
+
+    # Read 200 OK response
+    resp = b""
+    while b"\r\n\r\n" not in resp:
+        chunk = s.recv(4096)
+        if not chunk:
+            break
+        resp += chunk
+
+    if b"200" not in resp:
+        print(f"FAIL: expected 200, got {resp.decode(errors='replace')}")
+        sys.exit(1)
+
+    # Send an HTTP GET through the CONNECT tunnel. The tunnel target
+    # is an HTTP echo server (BaseHTTPRequestHandler), so we must speak
+    # HTTP or the connection closes.
+    req = b"GET / HTTP/1.0\r\nHost: tcp-echo\r\n\r\n"
+    s.sendall(req)
+    data = b""
+    while b"hello-gost" not in data:
+        chunk = s.recv(4096)
+        if not chunk:
+            break
+        data += chunk
+    if b"hello-gost" not in data:
+        print(f"FAIL: expected hello-gost echo, got {data!r}")
+        sys.exit(1)
+    print(f"PASS: first request through tunnel succeeded")
+
+    # Wait longer than idleTimeout
+    wait = idle_timeout + 2
+    print(f"Waiting {wait}s for idle timeout...")
+    time.sleep(wait)
+
+    # Try to send more data — idle timeout should have closed the pipe
+    try:
+        s.sendall(b"ping-2\n")
+        data = s.recv(4096)
+        if not data:
+            print("PASS: connection closed after idle timeout (empty recv)")
+            sys.exit(0)
+        # Got data means the pipe is still alive
+        print(f"FAIL: connection still alive after idle timeout, got {data!r}")
+        sys.exit(1)
+    except (socket.timeout, ConnectionResetError, BrokenPipeError, OSError) as e:
+        print(f"PASS: connection closed after idle timeout: {e}")
+        sys.exit(0)
+
+
+if __name__ == "__main__":
+    main()

tests/e2e/scripts/http_udp_relay.py

@@ -0,0 +1,135 @@
+import socket
+import struct
+import sys
+
+
+UDP_ECHO_HOST = "udp-echo"
+UDP_ECHO_PORT = 5679
+
+
+def encode_socks5_addr(host, port):
+    """Encode (host, port) as SOCKS5 ADDRESS + PORT.
+
+    Uses ATYP=3 (domain name) so Docker DNS resolves the host.
+    Returns (atyp, address_bytes, port_bytes).
+    """
+    host_bytes = host.encode()
+    addr_bytes = struct.pack("!B", len(host_bytes)) + host_bytes
+    port_bytes = struct.pack("!H", port)
+    return 0x03, addr_bytes, port_bytes
+
+
+def build_udp_frame(payload, host, port):
+    """Build a SOCKS5 UDP relay frame over TCP.
+
+    gost HTTP UDP relay uses RSV=data-length and FRAG=0xff.
+    Frame: [RSV:2][FRAG:1][ATYP:1][DST.ADDR][DST.PORT:2][DATA]
+    """
+    atyp, addr_bytes, port_bytes = encode_socks5_addr(host, port)
+    rsv = struct.pack("!H", len(payload))
+    frag = b"\xff"
+    atyp_byte = struct.pack("!B", atyp)
+    return rsv + frag + atyp_byte + addr_bytes + port_bytes + payload
+
+
+def recvn(sock, n):
+    """Receive exactly n bytes from socket."""
+    buf = b""
+    while len(buf) < n:
+        chunk = sock.recv(n - len(buf))
+        if not chunk:
+            raise ConnectionError("connection closed while reading")
+        buf += chunk
+    return buf
+
+
+def read_socks5_frame(sock):
+    """Read one SOCKS5 UDP relay frame from the TCP connection.
+
+    Returns (addr, port, data).
+    """
+    # Read header: RSV(2) + FRAG(1) + ATYP(1)
+    header = recvn(sock, 4)
+    rsv = struct.unpack("!H", header[:2])[0]
+    frag = header[2]
+    atyp = header[3]
+
+    # Read address based on ATYP
+    if atyp == 1:  # IPv4
+        addr_bytes = recvn(sock, 4)
+        addr = socket.inet_ntoa(addr_bytes)
+    elif atyp == 3:  # Domain name
+        domain_len = recvn(sock, 1)
+        addr = recvn(sock, domain_len[0]).decode()
+    elif atyp == 4:  # IPv6
+        addr_bytes = recvn(sock, 16)
+        addr = socket.inet_ntop(socket.AF_INET6, addr_bytes)
+    else:
+        raise ValueError(f"unknown ATYP: {atyp}")
+
+    port_bytes = recvn(sock, 2)
+    port = struct.unpack("!H", port_bytes)[0]
+
+    # Read data
+    if rsv > 0:
+        data = recvn(sock, rsv)
+    else:
+        # Standard SOCKS5 UDP: read remaining
+        data = b""
+        while True:
+            chunk = sock.recv(4096)
+            if not chunk:
+                break
+            data += chunk
+
+    return addr, port, data
+
+
+def main():
+    host = sys.argv[1] if len(sys.argv) > 1 else "127.0.0.1"
+    port = int(sys.argv[2]) if len(sys.argv) > 2 else 8080
+
+    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    s.settimeout(10)
+    s.connect((host, port))
+
+    # Send CONNECT with X-Gost-Protocol: udp
+    req = (
+        b"CONNECT 0.0.0.0:0 HTTP/1.1\r\n"
+        b"Host: 0.0.0.0:0\r\n"
+        b"X-Gost-Protocol: udp\r\n"
+        b"Proxy-Connection: keep-alive\r\n"
+        b"\r\n"
+    )
+    s.sendall(req)
+
+    # Read 200 OK
+    resp = b""
+    while b"\r\n\r\n" not in resp:
+        chunk = s.recv(4096)
+        if not chunk:
+            break
+        resp += chunk
+
+    if b"200" not in resp:
+        print(f"FAIL: expected 200, got {resp.decode(errors='replace')}")
+        sys.exit(1)
+
+    # Build and send UDP relay frame
+    payload = b"hello-gost"
+    frame = build_udp_frame(payload, UDP_ECHO_HOST, UDP_ECHO_PORT)
+    s.sendall(frame)
+
+    # Read response frame
+    addr, rport, data = read_socks5_frame(s)
+
+    if b"hello-gost" in data:
+        print(f"PASS: received expected data from {addr}:{rport}")
+        sys.exit(0)
+    else:
+        print(f"FAIL: expected hello-gost in response, got {data!r}")
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()

tests/e2e/scripts/tcp_echo.py

@@ -0,0 +1,16 @@
+from http.server import BaseHTTPRequestHandler, HTTPServer
+
+
+class Handler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        body = b"hello-gost"
+        self.send_response(200)
+        self.send_header("Content-Length", str(len(body)))
+        self.end_headers()
+        self.wfile.write(body)
+
+    def log_message(self, format, *args):
+        return
+
+
+HTTPServer(("0.0.0.0", 5678), Handler).serve_forever()

tests/e2e/scripts/tcp_idle_timeout.py

@@ -0,0 +1,53 @@
+import socket
+import sys
+import time
+
+
+def main():
+    host = sys.argv[1] if len(sys.argv) > 1 else "127.0.0.1"
+    port = int(sys.argv[2]) if len(sys.argv) > 2 else 8000
+    idle_timeout = int(sys.argv[3]) if len(sys.argv) > 3 else 3
+
+    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    s.settimeout(10)
+    s.connect((host, port))
+
+    # Send an HTTP GET request — the forward handler pipes us to tcp-echo:5678
+    req = b"GET / HTTP/1.0\r\nHost: tcp-echo\r\n\r\n"
+    s.sendall(req)
+
+    # Read response — should contain "hello-gost" (echo server reply)
+    resp = b""
+    while b"hello-gost" not in resp:
+        chunk = s.recv(4096)
+        if not chunk:
+            break
+        resp += chunk
+
+    if b"hello-gost" not in resp:
+        print(f"FAIL: expected hello-gost in response, got {resp.decode(errors='replace')}")
+        sys.exit(1)
+    print(f"PASS: first request through forward pipe succeeded")
+
+    # Wait longer than idleTimeout
+    wait = idle_timeout + 2
+    print(f"Waiting {wait}s for idle timeout...")
+    time.sleep(wait)
+
+    # Try to send more data — idle timeout should have closed the pipe
+    try:
+        s.sendall(b"GET / HTTP/1.0\r\nHost: tcp-echo\r\n\r\n")
+        data = s.recv(4096)
+        if not data:
+            print("PASS: connection closed after idle timeout (empty recv)")
+            sys.exit(0)
+        # Got data means the pipe is still alive
+        print(f"FAIL: connection still alive after idle timeout, got {data!r}")
+        sys.exit(1)
+    except (socket.timeout, ConnectionResetError, BrokenPipeError, OSError) as e:
+        print(f"PASS: connection closed after idle timeout: {e}")
+        sys.exit(0)
+
+
+if __name__ == "__main__":
+    main()

tests/e2e/scripts/udp_echo.py

@@ -0,0 +1,9 @@
+import socket
+
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+sock.bind(("0.0.0.0", 5679))
+
+while True:
+    data, addr = sock.recvfrom(2048)
+    sock.sendto(data, addr)

tests/e2e/scripts/udp_forward_test.py

@@ -0,0 +1,25 @@
+import socket
+import sys
+
+
+def main():
+    host = sys.argv[1] if len(sys.argv) > 1 else "127.0.0.1"
+    port = int(sys.argv[2]) if len(sys.argv) > 2 else 9000
+
+    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    sock.settimeout(5)
+
+    payload = b"hello-gost-udp"
+    sock.sendto(payload, (host, port))
+
+    data, addr = sock.recvfrom(2048)
+    if data == payload:
+        print("PASS: received echo")
+        sys.exit(0)
+    else:
+        print(f"FAIL: expected {payload!r}, got {data!r}")
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()

tests/e2e/shadowsocks_test.go

@@ -0,0 +1,160 @@
+package e2e
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/testcontainers/testcontainers-go"
+)
+
+type ShadowsocksSuite struct {
+	suite.Suite
+	ctx    context.Context
+	echoC  testcontainers.Container
+	echoIP string
+	udpC   testcontainers.Container
+}
+
+func (s *ShadowsocksSuite) SetupSuite() {
+	s.ctx = context.Background()
+
+	s.T().Logf("start tcp echo container...")
+	echoC, err := RunEchoContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	s.echoC = echoC
+
+	echoIP, err := echoC.ContainerIP(s.ctx)
+	s.Require().NoError(err)
+	s.echoIP = echoIP
+
+	s.T().Logf("start udp echo container...")
+	udpC, err := RunUDPEchoContainer(s.ctx, SharedNetworkName)
+	s.Require().NoError(err)
+	s.udpC = udpC
+}
+
+func (s *ShadowsocksSuite) TearDownSuite() {
+	if s.echoC != nil {
+		s.echoC.Terminate(s.ctx)
+	}
+	if s.udpC != nil {
+		s.udpC.Terminate(s.ctx)
+	}
+}
+
+func (s *ShadowsocksSuite) TestShadowsocksTCP() {
+	s.runTCPCase("aes256gcm", "testdata/shadowsocks/tcp_server_aes256gcm.yaml", "testdata/shadowsocks/tcp_client_aes256gcm.yaml")
+	s.runTCPCase("chacha20", "testdata/shadowsocks/tcp_server_chacha20.yaml", "testdata/shadowsocks/tcp_client_chacha20.yaml")
+}
+
+func (s *ShadowsocksSuite) TestShadowsocks2022TCP() {
+	s.runTCPCase("2022-aes128", "testdata/shadowsocks/tcp_server_2022_aes128.yaml", "testdata/shadowsocks/tcp_client_2022_aes128.yaml")
+	s.runTCPCase("2022-aes256", "testdata/shadowsocks/tcp_server_2022_aes256.yaml", "testdata/shadowsocks/tcp_client_2022_aes256.yaml")
+}
+
+func (s *ShadowsocksSuite) TestShadowsocks2022TCPMultiPSK() {
+	s.runTCPCase("2022-aes128-multipsk", "testdata/shadowsocks/tcp_server_2022_aes128_multipsk.yaml", "testdata/shadowsocks/tcp_client_2022_aes128_multipsk.yaml")
+	s.runTCPCase("2022-aes256-multipsk", "testdata/shadowsocks/tcp_server_2022_aes256_multipsk.yaml", "testdata/shadowsocks/tcp_client_2022_aes256_multipsk.yaml")
+}
+
+func (s *ShadowsocksSuite) TestShadowsocksUDP() {
+	s.runUDPCase("aes256gcm", "testdata/shadowsocks/udp_server_aes256gcm.yaml", "testdata/shadowsocks/udp_client_aes256gcm.yaml")
+}
+
+func (s *ShadowsocksSuite) TestShadowsocks2022UDP() {
+	s.runUDPCase("2022-aes128", "testdata/shadowsocks/udp_server_2022_aes128.yaml", "testdata/shadowsocks/udp_client_2022_aes128.yaml")
+	s.runUDPCase("2022-aes256", "testdata/shadowsocks/udp_server_2022_aes256.yaml", "testdata/shadowsocks/udp_client_2022_aes256.yaml")
+}
+
+func (s *ShadowsocksSuite) runUDPCase(name, serverConfig, clientConfig string) {
+	s.T().Run(name, func(t *testing.T) {
+		serverAlias := name + "-ssu-server"
+		serverC, err := RunGostContainerWithOptions(s.ctx, SharedNetworkName, serverConfig, []string{serverAlias}, []string{"8389/udp"})
+		s.Require().NoError(err)
+		defer serverC.Terminate(s.ctx)
+
+		rendered, err := RenderConfig(clientConfig, ConfigData{ServerAddr: serverAlias + ":8389"})
+		s.Require().NoError(err)
+		defer os.Remove(rendered)
+
+		clientC, err := RunGostContainerWithPorts(
+			s.ctx,
+			SharedNetworkName,
+			rendered,
+			"9000/udp",
+		)
+		s.Require().NoError(err)
+		defer clientC.Terminate(s.ctx)
+
+		host, err := clientC.Host(s.ctx)
+		s.Require().NoError(err)
+		port, err := clientC.MappedPort(s.ctx, "9000/udp")
+		s.Require().NoError(err)
+
+		conn, err := net.DialTimeout("udp", net.JoinHostPort(host, port.Port()), 5*time.Second)
+		s.Require().NoError(err)
+		defer conn.Close()
+
+		payload := []byte("hello-gost-udp")
+		buf := make([]byte, 2048)
+		var n int
+		for i := range 5 {
+			_, err = conn.Write(payload)
+			s.Require().NoError(err)
+			_ = conn.SetReadDeadline(time.Now().Add(2 * time.Second))
+			n, err = conn.Read(buf)
+			if err == nil {
+				break
+			}
+			s.T().Logf("udp read attempt %d failed: %v, retrying...", i+1, err)
+			time.Sleep(2 * time.Second)
+		}
+		if err != nil {
+			DumpLogs(s.T(), s.ctx, name+" udp client logs", clientC)
+			DumpLogs(s.T(), s.ctx, name+" udp server logs", serverC)
+		}
+		s.Require().NoError(err)
+		s.Require().Contains(string(buf[:n]), "hello-gost")
+	})
+}
+
+func TestShadowsocksSuite(t *testing.T) {
+	suite.Run(t, new(ShadowsocksSuite))
+}
+
+func (s *ShadowsocksSuite) runTCPCase(name, serverConfig, clientConfig string) {
+	s.T().Run(name, func(t *testing.T) {
+		serverAlias := name + "-ss-server"
+		serverC, err := RunGostContainerWithOptions(s.ctx, SharedNetworkName, serverConfig, []string{serverAlias}, []string{"8388/tcp"})
+		s.Require().NoError(err)
+		defer serverC.Terminate(s.ctx)
+
+		rendered, err := RenderConfig(clientConfig, ConfigData{ServerAddr: serverAlias + ":8388"})
+		s.Require().NoError(err)
+		defer os.Remove(rendered)
+
+		clientC, err := RunGostContainerWithPorts(s.ctx, SharedNetworkName, rendered, "8080/tcp")
+		s.Require().NoError(err)
+		defer clientC.Terminate(s.ctx)
+
+		cmd := []string{"curl", "-v", "-s", "-x", "http://127.0.0.1:8080", fmt.Sprintf("http://%s:5678", s.echoIP)}
+		code, out, err := clientC.Exec(s.ctx, cmd)
+		s.Require().NoError(err)
+
+		body, err := io.ReadAll(out)
+		s.Require().NoError(err)
+		if code != 0 || !strings.Contains(string(body), "hello-gost") {
+			DumpLogs(s.T(), s.ctx, name+" client logs", clientC)
+			DumpLogs(s.T(), s.ctx, name+" server logs", serverC)
+		}
+		s.Require().Equal(0, code)
+		s.Require().Contains(string(body), "hello-gost")
+	})
+}

tests/e2e/testdata/dns/server_bypass.yaml

@@ -0,0 +1,16 @@
+services:
+- name: dns
+  addr: :1053
+  handler:
+    type: dns
+    metadata:
+      dns: udp://dns-server:5353
+      timeout: 5s
+  listener:
+    type: dns
+  bypass: block-example
+
+bypasses:
+- name: block-example
+  matchers:
+  - test.example.com

tests/e2e/testdata/dns/server_exchange_failure.yaml

@@ -0,0 +1,10 @@
+services:
+- name: dns
+  addr: :1053
+  handler:
+    type: dns
+    metadata:
+      dns: udp://127.0.0.1:1
+      timeout: 2s
+  listener:
+    type: dns

tests/e2e/testdata/dns/server_hosts.yaml

@@ -0,0 +1,22 @@
+services:
+- name: dns
+  addr: :1053
+  handler:
+    type: dns
+    metadata:
+      # Unreachable upstream so the system-DNS fallback is bypassed.
+      # The host mapper resolves mapped names before the exchanger is
+      # reached; unmapped names must hit the exchanger and fail.
+      dns: udp://127.0.0.1:1
+      timeout: 2s
+  listener:
+    type: dns
+  hosts: my-hosts
+
+hosts:
+- name: my-hosts
+  mappings:
+  - ip: 10.0.0.100
+    hostname: mapped.example.com
+  - ip: 192.168.1.200
+    hostname: aaaa.mapped.example.com

tests/e2e/testdata/dns/server_rlimiter.yaml

@@ -0,0 +1,16 @@
+services:
+- name: dns
+  addr: :1053
+  handler:
+    type: dns
+    metadata:
+      dns: udp://dns-server:5353
+      timeout: 5s
+  listener:
+    type: dns
+  rlimiter: limiter-0
+
+rlimiters:
+- name: limiter-0
+  limits:
+  - "$ 1000"

tests/e2e/testdata/dns/server_tcp.yaml

@@ -0,0 +1,12 @@
+services:
+- name: dns
+  addr: :1053
+  handler:
+    type: dns
+    metadata:
+      dns: tcp://dns-server:5353
+      timeout: 5s
+  listener:
+    type: dns
+    metadata:
+      mode: tcp

tests/e2e/testdata/dns/server_tls.yaml

@@ -0,0 +1,12 @@
+services:
+- name: dns
+  addr: :1053
+  handler:
+    type: dns
+    metadata:
+      dns: udp://dns-server:5353
+      timeout: 5s
+  listener:
+    type: dns
+    metadata:
+      mode: tls

tests/e2e/testdata/dns/server_upstream.yaml

@@ -0,0 +1,10 @@
+services:
+- name: dns
+  addr: :1053
+  handler:
+    type: dns
+    metadata:
+      dns: udp://dns-server:5353
+      timeout: 5s
+  listener:
+    type: dns

tests/e2e/testdata/file/index.html

@@ -0,0 +1 @@
+<html><body>gost file index</body></html>

tests/e2e/testdata/file/server.yaml

@@ -0,0 +1,9 @@
+services:
+- name: file-server
+  addr: :8080
+  handler:
+    type: file
+    metadata:
+      file.dir: /srv/files
+  listener:
+    type: tcp

tests/e2e/testdata/file/server_auth.yaml

@@ -0,0 +1,15 @@
+services:
+- name: file-server-auth
+  addr: :8080
+  handler:
+    type: file
+    auther: auther-0
+    metadata:
+      file.dir: /srv/files
+  listener:
+    type: tcp
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass

tests/e2e/testdata/file/server_put.yaml

@@ -0,0 +1,10 @@
+services:
+- name: file-server-put
+  addr: :8080
+  handler:
+    type: file
+    metadata:
+      file.dir: /srv/files
+      file.put: true
+  listener:
+    type: tcp

tests/e2e/testdata/forward/server.yaml

@@ -0,0 +1,11 @@
+services:
+  - name: forward-tcp
+    addr: :8000
+    handler:
+      type: tcp
+    listener:
+      type: tcp
+    forwarder:
+      nodes:
+        - name: echo
+          addr: tcp-echo:5678

tests/e2e/testdata/forward/server_bypass_sniffing.yaml

@@ -0,0 +1,20 @@
+services:
+- name: forward-tcp
+  addr: :8000
+  handler:
+    type: tcp
+    metadata:
+      sniffing: true
+      sniffing.timeout: 2s
+  listener:
+    type: tcp
+  bypass: block-all
+  forwarder:
+    nodes:
+    - name: echo
+      addr: tcp-echo:5678
+
+bypasses:
+- name: block-all
+  matchers:
+  - 0.0.0.0/0

tests/e2e/testdata/forward/server_idle_timeout.yaml

@@ -0,0 +1,13 @@
+services:
+  - name: forward-tcp
+    addr: :8000
+    handler:
+      type: tcp
+      metadata:
+        idleTimeout: 3s
+    listener:
+      type: tcp
+    forwarder:
+      nodes:
+        - name: echo
+          addr: tcp-echo:5678

tests/e2e/testdata/forward/server_multi_node.yaml

@@ -0,0 +1,18 @@
+services:
+- name: forward-tcp
+  addr: :8000
+  handler:
+    type: tcp
+    metadata:
+      sniffing: true
+      sniffing.timeout: 2s
+  listener:
+    type: tcp
+  forwarder:
+    nodes:
+    - name: echo-http
+      addr: tcp-echo:5678
+      protocol: http
+    - name: echo-tls
+      addr: tcp-echo:1
+      protocol: tls

tests/e2e/testdata/forward/server_sniffing.yaml

@@ -0,0 +1,14 @@
+services:
+  - name: forward-tcp
+    addr: :8000
+    handler:
+      type: tcp
+      metadata:
+        sniffing: true
+        sniffing.timeout: 2s
+    listener:
+      type: tcp
+    forwarder:
+      nodes:
+        - name: echo
+          addr: tcp-echo:5678

tests/e2e/testdata/forward/server_udp.yaml

@@ -0,0 +1,11 @@
+services:
+- name: udp-forward
+  addr: :9000
+  handler:
+    type: udp
+  listener:
+    type: udp
+  forwarder:
+    nodes:
+    - name: echo
+      addr: udp-echo:5679

tests/e2e/testdata/forward/server_udp_stateless.yaml

@@ -0,0 +1,15 @@
+services:
+- name: udp-forward
+  addr: :9000
+  handler:
+    type: udp
+    metadata:
+      stateless: true
+  listener:
+    type: udp
+    metadata:
+      stateless: true
+  forwarder:
+    nodes:
+    - name: echo
+      addr: udp-echo:5679

tests/e2e/testdata/http/client_connector.yaml

@@ -0,0 +1,20 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: http-chain
+  listener:
+    type: tcp
+
+chains:
+- name: http-chain
+  hops:
+  - name: hop-0
+    nodes:
+    - name: node-0
+      addr: {{.ServerAddr}}
+      connector:
+        type: http
+      dialer:
+        type: tcp

tests/e2e/testdata/http/client_connector_auth.yaml

@@ -0,0 +1,23 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: http-chain
+  listener:
+    type: tcp
+
+chains:
+- name: http-chain
+  hops:
+  - name: hop-0
+    nodes:
+    - name: node-0
+      addr: {{.ServerAddr}}
+      connector:
+        type: http
+        auth:
+          username: user
+          password: pass
+      dialer:
+        type: tcp

tests/e2e/testdata/http/client_connector_tls.yaml

@@ -0,0 +1,20 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: https-chain
+  listener:
+    type: tcp
+
+chains:
+- name: https-chain
+  hops:
+  - name: hop-0
+    nodes:
+    - name: node-0
+      addr: {{.ServerAddr}}
+      connector:
+        type: http
+      dialer:
+        type: tls

tests/e2e/testdata/http/decoy.html

@@ -0,0 +1 @@
+<html><body>decoy-response</body></html>

tests/e2e/testdata/http/server.yaml

@@ -0,0 +1,7 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+  listener:
+    type: tcp

tests/e2e/testdata/http/server_auth.yaml

@@ -0,0 +1,16 @@
+services:
+- name: http-proxy-auth
+  addr: :8080
+  handler:
+    type: http
+    auther: auther-0
+    metadata:
+      # authBasicRealm: custom realm in 407 Proxy-Authenticate header
+      authBasicRealm: gost-e2e-realm
+  listener:
+    type: tcp
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass

tests/e2e/testdata/http/server_connect.yaml

@@ -0,0 +1,12 @@
+services:
+- name: http-connect
+  addr: :8080
+  handler:
+    type: http
+    metadata:
+      # sniffing: enable protocol sniffing on CONNECT tunnels
+      sniffing: true
+      # sniffing.timeout: timeout for initial sniff read (2s)
+      sniffing.timeout: 2s
+  listener:
+    type: tcp

tests/e2e/testdata/http/server_connect_bypass.yaml

@@ -0,0 +1,20 @@
+bypasses:
+- name: bypass-0
+  matchers:
+  - 0.0.0.0/0
+
+services:
+- name: http-connect-bypass
+  addr: :8080
+  handler:
+    type: http
+    auther: auther-0
+  listener:
+    type: tcp
+  bypass: bypass-0
+
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass

tests/e2e/testdata/http/server_headers.yaml

@@ -0,0 +1,25 @@
+bypasses:
+- name: bypass-0
+  matchers:
+  - 0.0.0.0/0
+
+services:
+- name: http-headers
+  addr: :8080
+  handler:
+    type: http
+    auther: auther-0
+    metadata:
+      header:
+        X-Proxy-Info: gost-e2e
+        X-Custom: test-value
+      proxyAgent: gost-e2e/1.0
+  listener:
+    type: tcp
+  bypass: bypass-0
+
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass

tests/e2e/testdata/http/server_idle_timeout.yaml

@@ -0,0 +1,9 @@
+services:
+- name: http-idle
+  addr: :8080
+  handler:
+    type: http
+    metadata:
+      idleTimeout: 3s
+  listener:
+    type: tcp

tests/e2e/testdata/http/server_metadata.yaml

@@ -0,0 +1,20 @@
+services:
+- name: http-proxy-meta
+  addr: :8080
+  handler:
+    type: http
+    auther: auther-0
+    metadata:
+      # probeResist: decoy response on auth failure (code:404 hides the proxy)
+      probeResist: code:404
+      # keepalive: enable HTTP keep-alive on upstream transport (parse test)
+      keepalive: true
+      # compression: enable HTTP compression on upstream transport (parse test)
+      compression: true
+  listener:
+    type: tcp
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass

tests/e2e/testdata/http/server_proberesist_file.yaml

@@ -0,0 +1,16 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    auther: auther-0
+    metadata:
+      probeResist: file:/tmp/decoy.html
+  listener:
+    type: tcp
+
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass

tests/e2e/testdata/http/server_proberesist_host.yaml

@@ -0,0 +1,16 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    auther: auther-0
+    metadata:
+      probeResist: host:tcp-echo:5678
+  listener:
+    type: tcp
+
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass

tests/e2e/testdata/http/server_proberesist_knock.yaml

@@ -0,0 +1,17 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    auther: auther-0
+    metadata:
+      probeResist: code:404
+      knock: secret.example.com
+  listener:
+    type: tcp
+
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass

tests/e2e/testdata/http/server_proberesist_web.yaml

@@ -0,0 +1,16 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    auther: auther-0
+    metadata:
+      probeResist: web:tcp-echo:5678
+  listener:
+    type: tcp
+
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass

tests/e2e/testdata/http/server_tls.yaml

@@ -0,0 +1,7 @@
+services:
+- name: https-server
+  addr: :8443
+  handler:
+    type: http
+  listener:
+    type: tls

tests/e2e/testdata/http/server_udp.yaml

@@ -0,0 +1,9 @@
+services:
+- name: http-udp
+  addr: :8080
+  handler:
+    type: http
+    metadata:
+      udp: true
+  listener:
+    type: tcp

tests/e2e/testdata/http2/client.yaml

@@ -0,0 +1,20 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: h2-chain
+  listener:
+    type: tcp
+
+chains:
+- name: h2-chain
+  hops:
+  - name: hop-0
+    nodes:
+    - name: node-0
+      addr: {{.ServerAddr}}
+      connector:
+        type: http2
+      dialer:
+        type: http2

tests/e2e/testdata/http2/client_auth.yaml

@@ -0,0 +1,23 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: h2-chain
+  listener:
+    type: tcp
+
+chains:
+- name: h2-chain
+  hops:
+  - name: hop-0
+    nodes:
+    - name: node-0
+      addr: {{.ServerAddr}}
+      connector:
+        type: http2
+        auth:
+          username: user
+          password: pass
+      dialer:
+        type: http2

tests/e2e/testdata/http2/server.yaml

@@ -0,0 +1,7 @@
+services:
+- name: h2-proxy
+  addr: :8443
+  handler:
+    type: http2
+  listener:
+    type: http2

tests/e2e/testdata/http2/server_auth.yaml

@@ -0,0 +1,18 @@
+services:
+- name: h2-proxy-auth
+  addr: :8443
+  handler:
+    type: http2
+    auther: auther-0
+    metadata:
+      # authBasicRealm: custom realm in 407 Proxy-Authenticate header
+      authBasicRealm: gost-e2e-realm
+      # hash: pin upstream selection by request host (metadata parse coverage)
+      hash: host
+  listener:
+    type: http2
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass

tests/e2e/testdata/http2/server_bypass.yaml

@@ -0,0 +1,20 @@
+bypasses:
+- name: bypass-0
+  matchers:
+  - 0.0.0.0/0
+
+services:
+- name: h2-proxy-bypass
+  addr: :8443
+  handler:
+    type: http2
+    auther: auther-0
+  listener:
+    type: http2
+  bypass: bypass-0
+
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass

tests/e2e/testdata/http2/server_proberesist.yaml

@@ -0,0 +1,20 @@
+services:
+- name: h2-proxy-pr
+  addr: :8443
+  handler:
+    type: http2
+    auther: auther-0
+    metadata:
+      # probeResist: hide the proxy behind a 404 decoy on auth failure
+      probeResist: code:404
+      # header: custom response headers set on proxy responses
+      header:
+        X-Proxy-Info: gost-e2e
+      authBasicRealm: gost-e2e-realm
+  listener:
+    type: http2
+authers:
+- name: auther-0
+  auths:
+  - username: user
+    password: pass

tests/e2e/testdata/mtls/server.yaml

@@ -0,0 +1,17 @@
+services:
+- name: https-mtls
+  addr: :8443
+  handler:
+    type: http
+    auther: auther-0
+  listener:
+    type: tls
+    tls:
+      certFile: /certs/server.pem
+      keyFile: /certs/server-key.pem
+      caFile: /certs/ca.pem
+authers:
+- name: auther-0
+  plugin:
+    type: http
+    addr: http://{{.ServerAddr}}:9000/auth

tests/e2e/testdata/parallel_selector/server.yaml

@@ -0,0 +1,30 @@
+services:
+- name: proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: my-chain
+  listener:
+    type: tcp
+
+- name: dummy-1
+  addr: :18081
+  handler:
+    type: http
+
+chains:
+- name: my-chain
+  hops:
+  - name: hop-1
+    selector:
+      strategy: parallel
+    nodes:
+    - name: node-1
+      addr: 127.0.0.1:18081
+      connector:
+        type: http
+    # non existed node
+    - name: node-2
+      addr: 127.0.0.1:18082
+      connector:
+        type: http

tests/e2e/testdata/pht/client_connector.yaml

@@ -0,0 +1,20 @@
+services:
+- name: pht-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: pht-chain
+  listener:
+    type: tcp
+
+chains:
+- name: pht-chain
+  hops:
+  - name: pht-hop
+    nodes:
+    - name: pht-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: http
+      dialer:
+        type: pht

tests/e2e/testdata/pht/client_connector_phts.yaml

@@ -0,0 +1,20 @@
+services:
+- name: phts-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: phts-chain
+  listener:
+    type: tcp
+
+chains:
+- name: phts-chain
+  hops:
+  - name: phts-hop
+    nodes:
+    - name: phts-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: http
+      dialer:
+        type: phts

tests/e2e/testdata/pht/server.yaml

@@ -0,0 +1,7 @@
+services:
+- name: pht-server
+  addr: :8443
+  handler:
+    type: http
+  listener:
+    type: pht

tests/e2e/testdata/pht/server_phts.yaml

@@ -0,0 +1,7 @@
+services:
+- name: phts-server
+  addr: :8443
+  handler:
+    type: http
+  listener:
+    type: phts

tests/e2e/testdata/shadowsocks/tcp_client_2022_aes128.yaml

@@ -0,0 +1,23 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: ss-tcp-chain
+  listener:
+    type: tcp
+
+chains:
+- name: ss-tcp-chain
+  hops:
+  - name: ss-hop
+    nodes:
+    - name: ss-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ss
+        auth:
+          username: 2022-blake3-aes-128-gcm
+          password: MTIzNDU2Nzg5MDEyMzQ1Ng==
+      dialer:
+        type: tcp

tests/e2e/testdata/shadowsocks/tcp_client_2022_aes128_multipsk.yaml

@@ -0,0 +1,23 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: ss-tcp-chain
+  listener:
+    type: tcp
+
+chains:
+- name: ss-tcp-chain
+  hops:
+  - name: ss-hop
+    nodes:
+    - name: ss-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ss
+        auth:
+          username: 2022-blake3-aes-128-gcm
+          password: MTIzNDU2Nzg5MDEyMzQ1Ng==:Vbwi6yqCwvPMPR1bCi32Dg==
+      dialer:
+        type: tcp

tests/e2e/testdata/shadowsocks/tcp_client_2022_aes256.yaml

@@ -0,0 +1,23 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: ss-tcp-chain
+  listener:
+    type: tcp
+
+chains:
+- name: ss-tcp-chain
+  hops:
+  - name: ss-hop
+    nodes:
+    - name: ss-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ss
+        auth:
+          username: 2022-blake3-aes-256-gcm
+          password: MTIzNDU2Nzg5MDEyMzQ1NjEyMzQ1Njc4OTAxMjM0NTY=
+      dialer:
+        type: tcp

tests/e2e/testdata/shadowsocks/tcp_client_2022_aes256_multipsk.yaml

@@ -0,0 +1,23 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: ss-tcp-chain
+  listener:
+    type: tcp
+
+chains:
+- name: ss-tcp-chain
+  hops:
+  - name: ss-hop
+    nodes:
+    - name: ss-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ss
+        auth:
+          username: 2022-blake3-aes-256-gcm
+          password: MTIzNDU2Nzg5MDEyMzQ1NjEyMzQ1Njc4OTAxMjM0NTY=:YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXoxMjM0NTY=
+      dialer:
+        type: tcp

tests/e2e/testdata/shadowsocks/tcp_client_aes256gcm.yaml

@@ -0,0 +1,23 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: ss-tcp-chain
+  listener:
+    type: tcp
+
+chains:
+- name: ss-tcp-chain
+  hops:
+  - name: ss-hop
+    nodes:
+    - name: ss-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ss
+        auth:
+          username: aes-256-gcm
+          password: secret
+      dialer:
+        type: tcp

tests/e2e/testdata/shadowsocks/tcp_client_chacha20.yaml

@@ -0,0 +1,23 @@
+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: ss-tcp-chain
+  listener:
+    type: tcp
+
+chains:
+- name: ss-tcp-chain
+  hops:
+  - name: ss-hop
+    nodes:
+    - name: ss-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ss
+        auth:
+          username: chacha20-ietf-poly1305
+          password: secret
+      dialer:
+        type: tcp

tests/e2e/testdata/shadowsocks/tcp_server_2022_aes128.yaml

@@ -0,0 +1,10 @@
+services:
+- name: ss-server
+  addr: :8388
+  handler:
+    type: ss
+    auth:
+      username: 2022-blake3-aes-128-gcm
+      password: MTIzNDU2Nzg5MDEyMzQ1Ng==
+  listener:
+    type: tcp

tests/e2e/testdata/shadowsocks/tcp_server_2022_aes128_multipsk.yaml

@@ -0,0 +1,13 @@
+services:
+- name: ss-server
+  addr: :8388
+  handler:
+    type: ss
+    auth:
+      username: 2022-blake3-aes-128-gcm
+      password: MTIzNDU2Nzg5MDEyMzQ1Ng==
+    metadata:
+      users:
+        test: Vbwi6yqCwvPMPR1bCi32Dg==
+  listener:
+    type: tcp

tests/e2e/testdata/shadowsocks/tcp_server_2022_aes256.yaml

@@ -0,0 +1,10 @@
+services:
+- name: ss-server
+  addr: :8388
+  handler:
+    type: ss
+    auth:
+      username: 2022-blake3-aes-256-gcm
+      password: MTIzNDU2Nzg5MDEyMzQ1NjEyMzQ1Njc4OTAxMjM0NTY=
+  listener:
+    type: tcp

tests/e2e/testdata/shadowsocks/tcp_server_2022_aes256_multipsk.yaml

@@ -0,0 +1,13 @@
+services:
+- name: ss-server
+  addr: :8388
+  handler:
+    type: ss
+    auth:
+      username: 2022-blake3-aes-256-gcm
+      password: MTIzNDU2Nzg5MDEyMzQ1NjEyMzQ1Njc4OTAxMjM0NTY=
+    metadata:
+      users:
+        test: YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXoxMjM0NTY=
+  listener:
+    type: tcp

tests/e2e/testdata/shadowsocks/tcp_server_aes256gcm.yaml

@@ -0,0 +1,10 @@
+services:
+- name: ss-server
+  addr: :8388
+  handler:
+    type: ss
+    auth:
+      username: aes-256-gcm
+      password: secret
+  listener:
+    type: tcp

tests/e2e/testdata/shadowsocks/tcp_server_chacha20.yaml

@@ -0,0 +1,10 @@
+services:
+- name: ss-server
+  addr: :8388
+  handler:
+    type: ss
+    auth:
+      username: chacha20-ietf-poly1305
+      password: secret
+  listener:
+    type: tcp

tests/e2e/testdata/shadowsocks/udp_client_2022_aes128.yaml

@@ -0,0 +1,27 @@
+services:
+- name: udp-proxy
+  addr: :9000
+  handler:
+    type: udp
+    chain: ssu-chain
+  forwarder:
+    nodes:
+    - name: udp-echo
+      addr: udp-echo:5679
+  listener:
+    type: udp
+
+chains:
+- name: ssu-chain
+  hops:
+  - name: ssu-hop
+    nodes:
+    - name: ssu-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ssu
+        auth:
+          username: 2022-blake3-aes-128-gcm
+          password: MTIzNDU2Nzg5MDEyMzQ1Ng==
+      dialer:
+        type: udp