Add options to custom DNS query timeout

Signed-off-by: yanwo <ogilvy@gmail.com>

.fpm_openwrt

@@ -14,7 +14,6 @@
 --depends kmod-inet-diag
 --depends kmod-tun
 --depends firewall4
---depends kmod-nft-queue
 
 --before-remove release/config/openwrt.prerm
 

.fpm_pacman

@@ -1,23 +0,0 @@
--s dir
---name sing-box
---category net
---license GPL-3.0-or-later
---description "The universal proxy platform."
---url "https://sing-box.sagernet.org/"
---maintainer "nekohasekai <contact-git@sekai.icu>"
---config-files etc/sing-box/config.json
---after-install release/config/sing-box.postinst
-
-release/config/config.json=/etc/sing-box/config.json
-
-release/config/sing-box.service=/usr/lib/systemd/system/sing-box.service
-release/config/sing-box@.service=/usr/lib/systemd/system/sing-box@.service
-release/config/sing-box.sysusers=/usr/lib/sysusers.d/sing-box.conf
-release/config/sing-box.rules=usr/share/polkit-1/rules.d/sing-box.rules
-release/config/sing-box-split-dns.xml=/usr/share/dbus-1/system.d/sing-box-split-dns.conf
-
-release/completions/sing-box.bash=/usr/share/bash-completion/completions/sing-box.bash
-release/completions/sing-box.fish=/usr/share/fish/vendor_completions.d/sing-box.fish
-release/completions/sing-box.zsh=/usr/share/zsh/site-functions/_sing-box
-
-LICENSE=/usr/share/licenses/sing-box/LICENSE

.fpm_systemd

@@ -4,7 +4,6 @@
 --license GPL-3.0-or-later
 --description "The universal proxy platform."
 --url "https://sing-box.sagernet.org/"
---vendor SagerNet
 --maintainer "nekohasekai <contact-git@sekai.icu>"
 --deb-field "Bug: https://github.com/SagerNet/sing-box/issues"
 --no-deb-generate-changes

.github/CRONET_GO_VERSION

@@ -1 +0,0 @@
-2fef65f9dba90ddb89a87d00a6eb6165487c10c1

.github/build_alpine_apk.sh

@@ -1,81 +0,0 @@
-#!/usr/bin/env bash
-
-set -e -o pipefail
-
-ARCHITECTURE="$1"
-VERSION="$2"
-BINARY_PATH="$3"
-OUTPUT_PATH="$4"
-
-if [ -z "$ARCHITECTURE" ] || [ -z "$VERSION" ] || [ -z "$BINARY_PATH" ] || [ -z "$OUTPUT_PATH" ]; then
-  echo "Usage: $0 <architecture> <version> <binary_path> <output_path>"
-  exit 1
-fi
-
-PROJECT=$(cd "$(dirname "$0")/.."; pwd)
-
-# Convert version to APK format:
-#   1.13.0-beta.8  -> 1.13.0_beta8-r0
-#   1.13.0-rc.3    -> 1.13.0_rc3-r0
-#   1.13.0         -> 1.13.0-r0
-APK_VERSION=$(echo "$VERSION" | sed -E 's/-([a-z]+)\.([0-9]+)/_\1\2/')
-APK_VERSION="${APK_VERSION}-r0"
-
-ROOT_DIR=$(mktemp -d)
-trap 'rm -rf "$ROOT_DIR"' EXIT
-
-# Binary
-install -Dm755 "$BINARY_PATH" "$ROOT_DIR/usr/bin/sing-box"
-
-# Config files
-install -Dm644 "$PROJECT/release/config/config.json" "$ROOT_DIR/etc/sing-box/config.json"
-install -Dm755 "$PROJECT/release/config/sing-box.initd" "$ROOT_DIR/etc/init.d/sing-box"
-install -Dm644 "$PROJECT/release/config/sing-box.confd" "$ROOT_DIR/etc/conf.d/sing-box"
-
-# Service files
-install -Dm644 "$PROJECT/release/config/sing-box.service" "$ROOT_DIR/usr/lib/systemd/system/sing-box.service"
-install -Dm644 "$PROJECT/release/config/sing-box@.service" "$ROOT_DIR/usr/lib/systemd/system/sing-box@.service"
-
-# Completions
-install -Dm644 "$PROJECT/release/completions/sing-box.bash" "$ROOT_DIR/usr/share/bash-completion/completions/sing-box.bash"
-install -Dm644 "$PROJECT/release/completions/sing-box.fish" "$ROOT_DIR/usr/share/fish/vendor_completions.d/sing-box.fish"
-install -Dm644 "$PROJECT/release/completions/sing-box.zsh" "$ROOT_DIR/usr/share/zsh/site-functions/_sing-box"
-
-# License
-install -Dm644 "$PROJECT/LICENSE" "$ROOT_DIR/usr/share/licenses/sing-box/LICENSE"
-
-# APK metadata
-PACKAGES_DIR="$ROOT_DIR/lib/apk/packages"
-mkdir -p "$PACKAGES_DIR"
-
-# .conffiles
-cat > "$PACKAGES_DIR/.conffiles" <<'EOF'
-/etc/conf.d/sing-box
-/etc/init.d/sing-box
-/etc/sing-box/config.json
-EOF
-
-# .conffiles_static (sha256 checksums)
-while IFS= read -r conffile; do
-  sha256=$(sha256sum "$ROOT_DIR$conffile" | cut -d' ' -f1)
-  echo "$conffile $sha256"
-done < "$PACKAGES_DIR/.conffiles" > "$PACKAGES_DIR/.conffiles_static"
-
-# .list (all files, excluding lib/apk/packages/ metadata)
-(cd "$ROOT_DIR" && find . -type f -o -type l) \
-  | sed 's|^\./|/|' \
-  | grep -v '^/lib/apk/packages/' \
-  | sort > "$PACKAGES_DIR/.list"
-
-# Build APK
-apk mkpkg \
-  --info "name:sing-box" \
-  --info "version:${APK_VERSION}" \
-  --info "description:The universal proxy platform." \
-  --info "arch:${ARCHITECTURE}" \
-  --info "license:GPL-3.0-or-later with name use or association addition" \
-  --info "origin:sing-box" \
-  --info "url:https://sing-box.sagernet.org/" \
-  --info "maintainer:nekohasekai <contact-git@sekai.icu>" \
-  --files "$ROOT_DIR" \
-  --output "$OUTPUT_PATH"

.github/build_openwrt_apk.sh

@@ -1,80 +0,0 @@
-#!/usr/bin/env bash
-
-set -e -o pipefail
-
-ARCHITECTURE="$1"
-VERSION="$2"
-BINARY_PATH="$3"
-OUTPUT_PATH="$4"
-
-if [ -z "$ARCHITECTURE" ] || [ -z "$VERSION" ] || [ -z "$BINARY_PATH" ] || [ -z "$OUTPUT_PATH" ]; then
-  echo "Usage: $0 <architecture> <version> <binary_path> <output_path>"
-  exit 1
-fi
-
-PROJECT=$(cd "$(dirname "$0")/.."; pwd)
-
-# Convert version to APK format:
-#   1.13.0-beta.8  -> 1.13.0_beta8-r0
-#   1.13.0-rc.3    -> 1.13.0_rc3-r0
-#   1.13.0         -> 1.13.0-r0
-APK_VERSION=$(echo "$VERSION" | sed -E 's/-([a-z]+)\.([0-9]+)/_\1\2/')
-APK_VERSION="${APK_VERSION}-r0"
-
-ROOT_DIR=$(mktemp -d)
-trap 'rm -rf "$ROOT_DIR"' EXIT
-
-# Binary
-install -Dm755 "$BINARY_PATH" "$ROOT_DIR/usr/bin/sing-box"
-
-# Config files
-install -Dm644 "$PROJECT/release/config/config.json" "$ROOT_DIR/etc/sing-box/config.json"
-install -Dm644 "$PROJECT/release/config/openwrt.conf" "$ROOT_DIR/etc/config/sing-box"
-install -Dm755 "$PROJECT/release/config/openwrt.init" "$ROOT_DIR/etc/init.d/sing-box"
-install -Dm644 "$PROJECT/release/config/openwrt.keep" "$ROOT_DIR/lib/upgrade/keep.d/sing-box"
-
-# Completions
-install -Dm644 "$PROJECT/release/completions/sing-box.bash" "$ROOT_DIR/usr/share/bash-completion/completions/sing-box.bash"
-install -Dm644 "$PROJECT/release/completions/sing-box.fish" "$ROOT_DIR/usr/share/fish/vendor_completions.d/sing-box.fish"
-install -Dm644 "$PROJECT/release/completions/sing-box.zsh" "$ROOT_DIR/usr/share/zsh/site-functions/_sing-box"
-
-# License
-install -Dm644 "$PROJECT/LICENSE" "$ROOT_DIR/usr/share/licenses/sing-box/LICENSE"
-
-# APK metadata
-PACKAGES_DIR="$ROOT_DIR/lib/apk/packages"
-mkdir -p "$PACKAGES_DIR"
-
-# .conffiles
-cat > "$PACKAGES_DIR/.conffiles" <<'EOF'
-/etc/config/sing-box
-/etc/sing-box/config.json
-EOF
-
-# .conffiles_static (sha256 checksums)
-while IFS= read -r conffile; do
-  sha256=$(sha256sum "$ROOT_DIR$conffile" | cut -d' ' -f1)
-  echo "$conffile $sha256"
-done < "$PACKAGES_DIR/.conffiles" > "$PACKAGES_DIR/.conffiles_static"
-
-# .list (all files, excluding lib/apk/packages/ metadata)
-(cd "$ROOT_DIR" && find . -type f -o -type l) \
-  | sed 's|^\./|/|' \
-  | grep -v '^/lib/apk/packages/' \
-  | sort > "$PACKAGES_DIR/.list"
-
-# Build APK
-apk mkpkg \
-  --info "name:sing-box" \
-  --info "version:${APK_VERSION}" \
-  --info "description:The universal proxy platform." \
-  --info "arch:${ARCHITECTURE}" \
-  --info "license:GPL-3.0-or-later" \
-  --info "origin:sing-box" \
-  --info "url:https://sing-box.sagernet.org/" \
-  --info "maintainer:nekohasekai <contact-git@sekai.icu>" \
-  --info "depends:ca-bundle kmod-inet-diag kmod-tun firewall4 kmod-nft-queue" \
-  --info "provider-priority:100" \
-  --script "pre-deinstall:${PROJECT}/release/config/openwrt.prerm" \
-  --files "$ROOT_DIR" \
-  --output "$OUTPUT_PATH"

.github/detect_track.sh

@@ -1,33 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-branches=$(git branch -r --contains HEAD)
-if echo "$branches" | grep -q 'origin/stable'; then
-  track=stable
-elif echo "$branches" | grep -q 'origin/testing'; then
-  track=testing
-elif echo "$branches" | grep -q 'origin/oldstable'; then
-  track=oldstable
-else
-  echo "ERROR: HEAD is not on any known release branch (stable/testing/oldstable)" >&2
-  exit 1
-fi
-
-if [[ "$track" == "stable" ]]; then
-  tag=$(git describe --tags --exact-match HEAD 2>/dev/null || true)
-  if [[ -n "$tag" && "$tag" == *"-"* ]]; then
-    track=beta
-  fi
-fi
-
-case "$track" in
-  stable)    name=sing-box;           docker_tag=latest ;;
-  beta)      name=sing-box-beta;      docker_tag=latest-beta ;;
-  testing)   name=sing-box-testing;   docker_tag=latest-testing ;;
-  oldstable) name=sing-box-oldstable; docker_tag=latest-oldstable ;;
-esac
-
-echo "track=${track} name=${name} docker_tag=${docker_tag}" >&2
-echo "TRACK=${track}" >> "$GITHUB_ENV"
-echo "NAME=${name}" >> "$GITHUB_ENV"
-echo "DOCKER_TAG=${docker_tag}" >> "$GITHUB_ENV"

.github/renovate.json

@@ -6,7 +6,7 @@
     ":disableRateLimiting"
   ],
   "baseBranches": [
-    "unstable"
+    "dev-next"
   ],
   "golang": {
     "enabled": false

.github/setup_go_for_macos1013.sh

@@ -1,45 +0,0 @@
-#!/usr/bin/env bash
-
-set -euo pipefail
-
-VERSION="1.25.8"
-PATCH_COMMITS=(
-  "afe69d3cec1c6dcf0f1797b20546795730850070"
-  "1ed289b0cf87dc5aae9c6fe1aa5f200a83412938"
-)
-CURL_ARGS=(
-  -fL
-  --silent
-  --show-error
-)
-
-if [[ -n "${GITHUB_TOKEN:-}" ]]; then
-  CURL_ARGS+=(-H "Authorization: Bearer ${GITHUB_TOKEN}")
-fi
-
-mkdir -p "$HOME/go"
-cd "$HOME/go"
-wget "https://dl.google.com/go/go${VERSION}.darwin-arm64.tar.gz"
-tar -xzf "go${VERSION}.darwin-arm64.tar.gz"
-#cp -a go go_bootstrap
-mv go go_osx
-cd go_osx
-
-# these patch URLs only work on golang1.25.x
-# that means after golang1.26 release it must be changed
-# see: https://github.com/SagerNet/go/commits/release-branch.go1.25/
-# revert:
-# 33d3f603c1: "cmd/link/internal/ld: use 12.0.0 OS/SDK versions for macOS linking"
-# 937368f84e: "crypto/x509: change how we retrieve chains on darwin"
-
-for patch_commit in "${PATCH_COMMITS[@]}"; do
-  curl "${CURL_ARGS[@]}" "https://github.com/SagerNet/go/commit/${patch_commit}.diff" | patch --verbose -p 1
-done
-
-# Rebuild is not needed: we build with CGO_ENABLED=1, so Apple's external
-# linker handles LC_BUILD_VERSION via MACOSX_DEPLOYMENT_TARGET, and the
-# stdlib (crypto/x509) is compiled from patched src automatically.
-#cd src
-#GOROOT_BOOTSTRAP="$HOME/go/go_bootstrap" ./make.bash
-#cd ../..
-#rm -rf go_bootstrap "go${VERSION}.darwin-arm64.tar.gz"

.github/setup_go_for_windows7.sh

@@ -1,46 +0,0 @@
-#!/usr/bin/env bash
-
-set -euo pipefail
-
-VERSION="1.25.8"
-PATCH_COMMITS=(
-  "466f6c7a29bc098b0d4c987b803c779222894a11"
-  "1bdabae205052afe1dadb2ad6f1ba612cdbc532a"
-  "a90777dcf692dd2168577853ba743b4338721b06"
-  "f6bddda4e8ff58a957462a1a09562924d5f3d05c"
-  "bed309eff415bcb3c77dd4bc3277b682b89a388d"
-  "34b899c2fb39b092db4fa67c4417e41dc046be4b"
-)
-CURL_ARGS=(
-  -fL
-  --silent
-  --show-error
-)
-
-if [[ -n "${GITHUB_TOKEN:-}" ]]; then
-  CURL_ARGS+=(-H "Authorization: Bearer ${GITHUB_TOKEN}")
-fi
-
-mkdir -p "$HOME/go"
-cd "$HOME/go"
-wget "https://dl.google.com/go/go${VERSION}.linux-amd64.tar.gz"
-tar -xzf "go${VERSION}.linux-amd64.tar.gz"
-mv go go_win7
-cd go_win7
-
-# modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
-# these patch URLs only work on golang1.25.x
-# that means after golang1.26 release it must be changed
-# see: https://github.com/MetaCubeX/go/commits/release-branch.go1.25/
-# revert:
-# 693def151adff1af707d82d28f55dba81ceb08e1: "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
-# 7c1157f9544922e96945196b47b95664b1e39108: "net: remove sysSocket fallback for Windows 7"
-# 48042aa09c2f878c4faa576948b07fe625c4707a: "syscall: remove Windows 7 console handle workaround"
-# a17d959debdb04cd550016a3501dd09d50cd62e7: "runtime: always use LoadLibraryEx to load system libraries"
-# fixes:
-# bed309eff415bcb3c77dd4bc3277b682b89a388d: "Fix os.RemoveAll not working on Windows7"
-# 34b899c2fb39b092db4fa67c4417e41dc046be4b: "Revert \"os: remove 5ms sleep on Windows in (*Process).Wait\""
-
-for patch_commit in "${PATCH_COMMITS[@]}"; do
-  curl "${CURL_ARGS[@]}" "https://github.com/MetaCubeX/go/commit/${patch_commit}.diff" | patch --verbose -p 1
-done

.github/setup_legacy_go.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+VERSION="1.23.6"
+
+mkdir -p $HOME/go
+cd $HOME/go
+wget "https://dl.google.com/go/go${VERSION}.linux-amd64.tar.gz"
+tar -xzf "go${VERSION}.linux-amd64.tar.gz"
+mv go go_legacy
+cd go_legacy
+
+# modify from https://github.com/restic/restic/issues/4636#issuecomment-1896455557
+# this patch file only works on golang1.23.x
+# that means after golang1.24 release it must be changed
+# see: https://github.com/MetaCubeX/go/commits/release-branch.go1.23/
+# revert:
+# 693def151adff1af707d82d28f55dba81ceb08e1: "crypto/rand,runtime: switch RtlGenRandom for ProcessPrng"
+# 7c1157f9544922e96945196b47b95664b1e39108: "net: remove sysSocket fallback for Windows 7"
+# 48042aa09c2f878c4faa576948b07fe625c4707a: "syscall: remove Windows 7 console handle workaround"
+# a17d959debdb04cd550016a3501dd09d50cd62e7: "runtime: always use LoadLibraryEx to load system libraries"
+
+curl https://github.com/MetaCubeX/go/commit/9ac42137ef6730e8b7daca016ece831297a1d75b.diff | patch --verbose -p 1
+curl https://github.com/MetaCubeX/go/commit/21290de8a4c91408de7c2b5b68757b1e90af49dd.diff | patch --verbose -p 1
+curl https://github.com/MetaCubeX/go/commit/6a31d3fa8e47ddabc10bd97bff10d9a85f4cfb76.diff | patch --verbose -p 1
+curl https://github.com/MetaCubeX/go/commit/69e2eed6dd0f6d815ebf15797761c13f31213dd6.diff | patch --verbose -p 1

.github/update_cronet.sh

@@ -1,13 +0,0 @@
-#!/usr/bin/env bash
-
-set -e -o pipefail
-
-SCRIPT_DIR=$(dirname "$0")
-PROJECTS=$SCRIPT_DIR/../..
-
-git -C $PROJECTS/cronet-go fetch origin main
-git -C $PROJECTS/cronet-go fetch origin go
-go get -x github.com/sagernet/cronet-go/all@$(git -C $PROJECTS/cronet-go rev-parse origin/go)
-go get -x github.com/sagernet/cronet-go@$(git -C $PROJECTS/cronet-go rev-parse origin/go)
-go mod tidy
-git -C $PROJECTS/cronet-go rev-parse origin/go > "$SCRIPT_DIR/CRONET_GO_VERSION"

.github/update_cronet_dev.sh

@@ -1,13 +0,0 @@
-#!/usr/bin/env bash
-
-set -e -o pipefail
-
-SCRIPT_DIR=$(dirname "$0")
-PROJECTS=$SCRIPT_DIR/../..
-
-git -C $PROJECTS/cronet-go fetch origin dev
-git -C $PROJECTS/cronet-go fetch origin go_dev
-go get -x github.com/sagernet/cronet-go/all@$(git -C $PROJECTS/cronet-go rev-parse origin/go_dev)
-go get -x github.com/sagernet/cronet-go@$(git -C $PROJECTS/cronet-go rev-parse origin/go_dev)
-go mod tidy
-git -C $PROJECTS/cronet-go rev-parse origin/dev > "$SCRIPT_DIR/CRONET_GO_VERSION"

.github/workflows/build.yml

@@ -25,9 +25,8 @@ on:
           - publish-android
   push:
     branches:
-      - stable
+      - main-next
-      - testing
+      - dev-next
-      - unstable
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}-${{ inputs.build }}
@@ -41,13 +40,13 @@ jobs:
       version: ${{ steps.outputs.outputs.version }}
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ~1.25.8
+          go-version: ^1.24
       - name: Check input version
         if: github.event_name == 'workflow_dispatch'
         run: |-
@@ -70,134 +69,70 @@ jobs:
     strategy:
       matrix:
         include:
-          - { os: linux, arch: amd64, variant: purego, naive: true }
+          - { os: linux, arch: amd64, debian: amd64, rpm: x86_64, pacman: x86_64, openwrt: "x86_64" }
-          - { os: linux, arch: amd64, variant: glibc, naive: true }
+          - { os: linux, arch: "386", go386: sse2, debian: i386, rpm: i386, openwrt: "i386_pentium4" }
-          - { os: linux, arch: amd64, variant: musl, naive: true, debian: amd64, rpm: x86_64, pacman: x86_64, alpine: x86_64, openwrt: "x86_64" }
-
-          - { os: linux, arch: arm64, variant: purego, naive: true }
-          - { os: linux, arch: arm64, variant: glibc, naive: true }
-          - { os: linux, arch: arm64, variant: musl, naive: true, debian: arm64, rpm: aarch64, pacman: aarch64, alpine: aarch64, openwrt: "aarch64_cortex-a53 aarch64_cortex-a72 aarch64_cortex-a76 aarch64_generic" }
-
-          - { os: linux, arch: "386", go386: sse2 }
-          - { os: linux, arch: "386", variant: glibc, naive: true, go386: sse2 }
-          - { os: linux, arch: "386", variant: musl, naive: true, go386: sse2, debian: i386, rpm: i386, alpine: x86, openwrt: "i386_pentium4" }
-
-          - { os: linux, arch: arm, goarm: "7" }
-          - { os: linux, arch: arm, variant: glibc, naive: true, goarm: "7" }
-          - { os: linux, arch: arm, variant: musl, naive: true, goarm: "7", debian: armhf, rpm: armv7hl, pacman: armv7hl, alpine: armv7, openwrt: "arm_cortex-a5_vfpv4 arm_cortex-a7_neon-vfpv4 arm_cortex-a7_vfpv4 arm_cortex-a8_vfpv3 arm_cortex-a9_neon arm_cortex-a9_vfpv3-d16 arm_cortex-a15_neon-vfpv4" }
-
-          - { os: linux, arch: mipsle, gomips: hardfloat, naive: true, variant: glibc }
-          - { os: linux, arch: mipsle, gomips: softfloat, naive: true, variant: musl, debian: mipsel, rpm: mipsel, openwrt: "mipsel_24kc mipsel_74kc mipsel_mips32" }
-          - { os: linux, arch: mips64le, gomips: hardfloat, naive: true, variant: glibc, debian: mips64el, rpm: mips64el }
-          - { os: linux, arch: riscv64, naive: true, variant: glibc }
-          - { os: linux, arch: riscv64, naive: true, variant: musl, debian: riscv64, rpm: riscv64, alpine: riscv64, openwrt: "riscv64_generic" }
-          - { os: linux, arch: loong64, naive: true, variant: glibc }
-          - { os: linux, arch: loong64, naive: true, variant: musl, debian: loongarch64, rpm: loongarch64, alpine: loongarch64, openwrt: "loongarch64_generic" }
-
           - { os: linux, arch: "386", go386: softfloat, openwrt: "i386_pentium-mmx" }
+          - { os: linux, arch: arm64, debian: arm64, rpm: aarch64, pacman: aarch64, openwrt: "aarch64_cortex-a53 aarch64_cortex-a72 aarch64_cortex-a76 aarch64_generic" }
           - { os: linux, arch: arm, goarm: "5", openwrt: "arm_arm926ej-s arm_cortex-a7 arm_cortex-a9 arm_fa526 arm_xscale" }
           - { os: linux, arch: arm, goarm: "6", debian: armel, rpm: armv6hl, openwrt: "arm_arm1176jzf-s_vfp" }
+          - { os: linux, arch: arm, goarm: "7", debian: armhf, rpm: armv7hl, pacman: armv7hl, openwrt: "arm_cortex-a5_vfpv4 arm_cortex-a7_neon-vfpv4 arm_cortex-a7_vfpv4 arm_cortex-a8_vfpv3 arm_cortex-a9_neon arm_cortex-a9_vfpv3-d16 arm_cortex-a15_neon-vfpv4" }
           - { os: linux, arch: mips, gomips: softfloat, openwrt: "mips_24kc mips_4kec mips_mips32" }
-          - { os: linux, arch: mipsle, gomips: hardfloat, openwrt: "mipsel_24kc_24kf" }
+          - { os: linux, arch: mipsle, gomips: hardfloat, debian: mipsel, rpm: mipsel, openwrt: "mipsel_24kc_24kf" }
-          - { os: linux, arch: mipsle, gomips: softfloat }
+          - { os: linux, arch: mipsle, gomips: softfloat, openwrt: "mipsel_24kc mipsel_74kc mipsel_mips32" }
           - { os: linux, arch: mips64, gomips: softfloat, openwrt: "mips64_mips64r2 mips64_octeonplus" }
-          - { os: linux, arch: mips64le, gomips: hardfloat }
+          - { os: linux, arch: mips64le, gomips: hardfloat, debian: mips64el, rpm: mips64el }
           - { os: linux, arch: mips64le, gomips: softfloat, openwrt: "mips64el_mips64r2" }
           - { os: linux, arch: s390x, debian: s390x, rpm: s390x }
           - { os: linux, arch: ppc64le, debian: ppc64el, rpm: ppc64le }
-          - { os: linux, arch: riscv64 }
+          - { os: linux, arch: riscv64, debian: riscv64, rpm: riscv64, openwrt: "riscv64_generic" }
-          - { os: linux, arch: loong64 }
+          - { os: linux, arch: loong64, debian: loongarch64, rpm: loongarch64, openwrt: "loongarch64_generic" }
 
-          - { os: windows, arch: amd64, legacy_win7: true, legacy_name: "windows-7" }
+          - { os: windows, arch: amd64 }
-          - { os: windows, arch: "386", legacy_win7: true, legacy_name: "windows-7" }
+          - { os: windows, arch: amd64, legacy_go: true }
+          - { os: windows, arch: "386" }
+          - { os: windows, arch: "386", legacy_go: true }
+          - { os: windows, arch: arm64 }
 
-          - { os: android, arch: arm64, ndk: "aarch64-linux-android23" }
+          - { os: darwin, arch: amd64 }
-          - { os: android, arch: arm, ndk: "armv7a-linux-androideabi23" }
+          - { os: darwin, arch: arm64 }
-          - { os: android, arch: amd64, ndk: "x86_64-linux-android23" }
+
-          - { os: android, arch: "386", ndk: "i686-linux-android23" }
+          - { os: android, arch: arm64, ndk: "aarch64-linux-android21" }
+          - { os: android, arch: arm, ndk: "armv7a-linux-androideabi21" }
+          - { os: android, arch: amd64, ndk: "x86_64-linux-android21" }
+          - { os: android, arch: "386", ndk: "i686-linux-android21" }
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Setup Go
-        if: ${{ ! matrix.legacy_win7 }}
+        if: ${{ ! matrix.legacy_go }}
         uses: actions/setup-go@v5
         with:
-          go-version: ~1.25.8
+          go-version: ^1.24
-      - name: Cache Go for Windows 7
+      - name: Cache Legacy Go
-        if: matrix.legacy_win7
+        if: matrix.require_legacy_go
-        id: cache-go-for-windows7
+        id: cache-legacy-go
         uses: actions/cache@v4
         with:
           path: |
-            ~/go/go_win7
+            ~/go/go_legacy
-          key: go_win7_1258
+          key: go_legacy_1236
-      - name: Setup Go for Windows 7
+      - name: Setup Legacy Go
-        if: matrix.legacy_win7 && steps.cache-go-for-windows7.outputs.cache-hit != 'true'
+        if: matrix.legacy_go && steps.cache-legacy-go.outputs.cache-hit != 'true'
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
         run: |-
-          .github/setup_go_for_windows7.sh
+          .github/setup_legacy_go.sh
-      - name: Setup Go for Windows 7
+      - name: Setup Legacy Go 2
-        if: matrix.legacy_win7
+        if: matrix.legacy_go
         run: |-
-          echo "PATH=$HOME/go/go_win7/bin:$PATH" >> $GITHUB_ENV
+          echo "PATH=$HOME/go/go_legacy/bin:$PATH" >> $GITHUB_ENV
-          echo "GOROOT=$HOME/go/go_win7" >> $GITHUB_ENV
+          echo "GOROOT=$HOME/go/go_legacy" >> $GITHUB_ENV
       - name: Setup Android NDK
         if: matrix.os == 'android'
         uses: nttld/setup-ndk@v1
         with:
           ndk-version: r28
           local-cache: true
-      - name: Clone cronet-go
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          CRONET_GO_VERSION=$(cat .github/CRONET_GO_VERSION)
-          git init ~/cronet-go
-          git -C ~/cronet-go remote add origin https://github.com/sagernet/cronet-go.git
-          git -C ~/cronet-go fetch --depth=1 origin "$CRONET_GO_VERSION"
-          git -C ~/cronet-go checkout FETCH_HEAD
-          git -C ~/cronet-go submodule update --init --recursive --depth=1
-      - name: Regenerate Debian keyring
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          rm -f ~/cronet-go/naiveproxy/src/build/linux/sysroot_scripts/keyring.gpg
-          cd ~/cronet-go
-          GPG_TTY=/dev/null ./naiveproxy/src/build/linux/sysroot_scripts/generate_keyring.sh
-      - name: Cache Chromium toolchain
-        if: matrix.naive
-        id: cache-chromium-toolchain
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/cronet-go/naiveproxy/src/third_party/llvm-build/
-            ~/cronet-go/naiveproxy/src/gn/out/
-            ~/cronet-go/naiveproxy/src/chrome/build/pgo_profiles/
-            ~/cronet-go/naiveproxy/src/out/sysroot-build/
-          key: chromium-toolchain-${{ matrix.arch }}-${{ matrix.variant }}-${{ hashFiles('.github/CRONET_GO_VERSION') }}
-      - name: Download Chromium toolchain
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          cd ~/cronet-go
-          if [[ "${{ matrix.variant }}" == "musl" ]]; then
-            go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl download-toolchain
-          else
-            go run ./cmd/build-naive --target=linux/${{ matrix.arch }} download-toolchain
-          fi
-      - name: Set Chromium toolchain environment
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          cd ~/cronet-go
-          if [[ "${{ matrix.variant }}" == "musl" ]]; then
-            go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl env >> $GITHUB_ENV
-          else
-            go run ./cmd/build-naive --target=linux/${{ matrix.arch }} env >> $GITHUB_ENV
-          fi
       - name: Set tag
         run: |-
           git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
@@ -205,83 +140,15 @@ jobs:
       - name: Set build tags
         run: |
           set -xeuo pipefail
-          if [[ "${{ matrix.naive }}" == "true" ]]; then
+          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale'
-            TAGS=$(cat release/DEFAULT_BUILD_TAGS)
-          else
-            TAGS=$(cat release/DEFAULT_BUILD_TAGS_OTHERS)
-          fi
-          if [[ "${{ matrix.variant }}" == "purego" ]]; then
-            TAGS="${TAGS},with_purego"
-          elif [[ "${{ matrix.variant }}" == "musl" ]]; then
-            TAGS="${TAGS},with_musl"
-          fi
           echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
-      - name: Set shared ldflags
+      - name: Build
-        run: |
+        if: matrix.os != 'android'
-          echo "LDFLAGS_SHARED=$(cat release/LDFLAGS)" >> "${GITHUB_ENV}"
-      - name: Build (purego)
-        if: matrix.variant == 'purego'
         run: |
           set -xeuo pipefail
           mkdir -p dist
           go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' ${LDFLAGS_SHARED} -s -w -buildid=" \
+          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "0"
-          GOOS: ${{ matrix.os }}
-          GOARCH: ${{ matrix.arch }}
-          GO386: ${{ matrix.go386 }}
-          GOARM: ${{ matrix.goarm }}
-          GOMIPS: ${{ matrix.gomips }}
-          GOMIPS64: ${{ matrix.gomips }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Extract libcronet.so
-        if: matrix.variant == 'purego' && matrix.naive
-        run: |
-          cd ~/cronet-go
-          CGO_ENABLED=0 go run -v ./cmd/build-naive extract-lib --target ${{ matrix.os }}/${{ matrix.arch }} -o $GITHUB_WORKSPACE/dist
-      - name: Build (glibc)
-        if: matrix.variant == 'glibc'
-        run: |
-          set -xeuo pipefail
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' ${LDFLAGS_SHARED} -s -w -buildid=" \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "1"
-          GOOS: linux
-          GOARCH: ${{ matrix.arch }}
-          GO386: ${{ matrix.go386 }}
-          GOARM: ${{ matrix.goarm }}
-          GOMIPS: ${{ matrix.gomips }}
-          GOMIPS64: ${{ matrix.gomips }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build (musl)
-        if: matrix.variant == 'musl'
-        run: |
-          set -xeuo pipefail
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' ${LDFLAGS_SHARED} -s -w -buildid=" \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "1"
-          GOOS: linux
-          GOARCH: ${{ matrix.arch }}
-          GO386: ${{ matrix.go386 }}
-          GOARM: ${{ matrix.goarm }}
-          GOMIPS: ${{ matrix.gomips }}
-          GOMIPS64: ${{ matrix.gomips }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build (non-variant)
-        if: matrix.os != 'android' && matrix.variant == ''
-        run: |
-          set -xeuo pipefail
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' ${LDFLAGS_SHARED} -s -w -buildid=" \
           ./cmd/sing-box
         env:
           CGO_ENABLED: "0"
@@ -301,7 +168,7 @@ jobs:
           export CXX="${CC}++"
           mkdir -p dist
           GOOS=$BUILD_GOOS GOARCH=$BUILD_GOARCH build go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' ${LDFLAGS_SHARED} -s -w -buildid=" \
+          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' \
           ./cmd/sing-box
         env:
           CGO_ENABLED: "1"
@@ -317,13 +184,8 @@ jobs:
             DIR_NAME="${DIR_NAME}-${{ matrix.go386 }}"
           elif [[ -n "${{ matrix.gomips }}" && "${{ matrix.gomips }}" != 'hardfloat' ]]; then
             DIR_NAME="${DIR_NAME}-${{ matrix.gomips }}"
-          elif [[ -n "${{ matrix.legacy_name }}" ]]; then
+          elif [[ "${{ matrix.legacy_go }}" == 'true' ]]; then
-            DIR_NAME="${DIR_NAME}-legacy-${{ matrix.legacy_name }}"
+            DIR_NAME="${DIR_NAME}-legacy"
-          fi
-          if [[ "${{ matrix.variant }}" == "glibc" ]]; then
-            DIR_NAME="${DIR_NAME}-glibc"
-          elif [[ "${{ matrix.variant }}" == "musl" ]]; then
-            DIR_NAME="${DIR_NAME}-musl"
           fi
           echo "DIR_NAME=${DIR_NAME}" >> "${GITHUB_ENV}"
           PKG_VERSION="${{ needs.calculate_version.outputs.version }}"
@@ -375,7 +237,7 @@ jobs:
           sudo gem install fpm
           sudo apt-get update
           sudo apt-get install -y libarchive-tools
-          cp .fpm_pacman .fpm
+          cp .fpm_systemd .fpm
           fpm -t pacman \
             -v "$PKG_VERSION" \
             -p "dist/sing-box_${{ needs.calculate_version.outputs.version }}_${{ matrix.os }}_${{ matrix.pacman }}.pkg.tar.zst" \
@@ -396,30 +258,6 @@ jobs:
             .github/deb2ipk.sh "$architecture" "dist/openwrt.deb" "dist/sing-box_${{ needs.calculate_version.outputs.version }}_openwrt_${architecture}.ipk"
           done
           rm "dist/openwrt.deb"
-      - name: Install apk-tools
-        if: matrix.openwrt != '' || matrix.alpine != ''
-        run: |-
-          docker run --rm -v /usr/local/bin:/mnt alpine:edge sh -c "apk add --no-cache apk-tools-static && cp /sbin/apk.static /mnt/apk && chmod +x /mnt/apk"
-      - name: Package OpenWrt APK
-        if: matrix.openwrt != ''
-        run: |-
-          set -xeuo pipefail
-          for architecture in ${{ matrix.openwrt }}; do
-            .github/build_openwrt_apk.sh \
-              "$architecture" \
-              "${{ needs.calculate_version.outputs.version }}" \
-              "dist/sing-box" \
-              "dist/sing-box_${{ needs.calculate_version.outputs.version }}_openwrt_${architecture}.apk"
-          done
-      - name: Package Alpine APK
-        if: matrix.alpine != ''
-        run: |-
-          set -xeuo pipefail
-          .github/build_alpine_apk.sh \
-            "${{ matrix.alpine }}" \
-            "${{ needs.calculate_version.outputs.version }}" \
-            "dist/sing-box" \
-            "dist/sing-box_${{ needs.calculate_version.outputs.version }}_linux_${{ matrix.alpine }}.apk"
       - name: Archive
         run: |
           set -xeuo pipefail
@@ -431,217 +269,32 @@ jobs:
             zip -r "${DIR_NAME}.zip" "${DIR_NAME}"
           else
             cp sing-box "${DIR_NAME}"
-            if [ -f libcronet.so ]; then
-              cp libcronet.so "${DIR_NAME}"
-            fi
             tar -czvf "${DIR_NAME}.tar.gz" "${DIR_NAME}"
           fi
           rm -r "${DIR_NAME}"
-      - name: Cleanup
-        run: rm -f dist/sing-box dist/libcronet.so
-      - name: Upload artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: binary-${{ matrix.os }}_${{ matrix.arch }}${{ matrix.goarm && format('v{0}', matrix.goarm) }}${{ matrix.go386 && format('_{0}', matrix.go386) }}${{ matrix.gomips && format('_{0}', matrix.gomips) }}${{ matrix.legacy_name && format('-legacy-{0}', matrix.legacy_name) }}${{ matrix.variant && format('-{0}', matrix.variant) }}
-          path: "dist"
-  build_darwin:
-    name: Build Darwin binaries
-    if: github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Binary'
-    runs-on: macos-latest
-    needs:
-      - calculate_version
-    strategy:
-      matrix:
-        include:
-          - { arch: amd64 }
-          - { arch: arm64 }
-          - { arch: amd64, legacy_osx: true, legacy_name: "macos-10.13" }
-    steps:
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
-        with:
-          fetch-depth: 0
-      - name: Setup Go
-        if: ${{ ! matrix.legacy_osx }}
-        uses: actions/setup-go@v5
-        with:
-          go-version: ^1.25.3
-      - name: Cache Go for macOS 10.13
-        if: matrix.legacy_osx
-        id: cache-go-for-macos1013
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/go/go_osx
-          key: go_osx_1258
-      - name: Setup Go for macOS 10.13
-        if: matrix.legacy_osx && steps.cache-go-for-macos1013.outputs.cache-hit != 'true'
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
-        run: |-
-          .github/setup_go_for_macos1013.sh
-      - name: Setup Go for macOS 10.13
-        if: matrix.legacy_osx
-        run: |-
-          echo "PATH=$HOME/go/go_osx/bin:$PATH" >> $GITHUB_ENV
-          echo "GOROOT=$HOME/go/go_osx" >> $GITHUB_ENV
-      - name: Set tag
-        run: |-
-          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
-          git tag v${{ needs.calculate_version.outputs.version }} -f
-      - name: Set build tags
-        run: |
-          set -xeuo pipefail
-          if [[ "${{ matrix.legacy_osx }}" != "true" ]]; then
-            TAGS=$(cat release/DEFAULT_BUILD_TAGS)
-          else
-            TAGS=$(cat release/DEFAULT_BUILD_TAGS_OTHERS)
-          fi
-          echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
-      - name: Set shared ldflags
-        run: |
-          echo "LDFLAGS_SHARED=$(cat release/LDFLAGS)" >> "${GITHUB_ENV}"
-      - name: Build
-        run: |
-          set -xeuo pipefail
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' ${LDFLAGS_SHARED} -s -w -buildid=" \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "1"
-          GOOS: darwin
-          GOARCH: ${{ matrix.arch }}
-          MACOSX_DEPLOYMENT_TARGET: ${{ matrix.legacy_osx && '10.13' || '' }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Set name
-        run: |-
-          DIR_NAME="sing-box-${{ needs.calculate_version.outputs.version }}-darwin-${{ matrix.arch }}"
-          if [[ -n "${{ matrix.legacy_name }}" ]]; then
-            DIR_NAME="${DIR_NAME}-legacy-${{ matrix.legacy_name }}"
-          fi
-          echo "DIR_NAME=${DIR_NAME}" >> "${GITHUB_ENV}"
-      - name: Archive
-        run: |
-          set -xeuo pipefail
-          cd dist
-          mkdir -p "${DIR_NAME}"
-          cp ../LICENSE "${DIR_NAME}"
-          cp sing-box "${DIR_NAME}"
-          tar -czvf "${DIR_NAME}.tar.gz" "${DIR_NAME}"
-          rm -r "${DIR_NAME}"
       - name: Cleanup
         run: rm dist/sing-box
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
-          name: binary-darwin_${{ matrix.arch }}${{ matrix.legacy_name && format('-legacy-{0}', matrix.legacy_name) }}
+          name: binary-${{ matrix.os }}_${{ matrix.arch }}${{ matrix.goarm && format('v{0}', matrix.goarm) }}${{ matrix.go386 && format('_{0}', matrix.go386) }}${{ matrix.gomips && format('_{0}', matrix.gomips) }}${{ matrix.legacy_go && '-legacy' || '' }}
-          path: "dist"
-  build_windows:
-    name: Build Windows binaries
-    if: github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Binary'
-    runs-on: windows-latest
-    needs:
-      - calculate_version
-    strategy:
-      matrix:
-        include:
-          - { arch: amd64, naive: true }
-          - { arch: "386" }
-          - { arch: arm64, naive: true }
-    steps:
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
-        with:
-          fetch-depth: 0
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: ^1.25.4
-      - name: Set tag
-        run: |-
-          git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$env:GITHUB_ENV"
-          git tag v${{ needs.calculate_version.outputs.version }} -f
-      - name: Build
-        if: matrix.naive
-        run: |
-          $TAGS = Get-Content release/DEFAULT_BUILD_TAGS_WINDOWS
-          $LDFLAGS_SHARED = Get-Content release/LDFLAGS
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box.exe -tags "$TAGS" `
-          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' $LDFLAGS_SHARED -s -w -buildid=" `
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "0"
-          GOOS: windows
-          GOARCH: ${{ matrix.arch }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build
-        if: ${{ !matrix.naive }}
-        run: |
-          $TAGS = Get-Content release/DEFAULT_BUILD_TAGS_OTHERS
-          $LDFLAGS_SHARED = Get-Content release/LDFLAGS
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box.exe -tags "$TAGS" `
-          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' $LDFLAGS_SHARED -s -w -buildid=" `
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "0"
-          GOOS: windows
-          GOARCH: ${{ matrix.arch }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Extract libcronet.dll
-        if: matrix.naive
-        run: |
-          $CRONET_GO_VERSION = Get-Content .github/CRONET_GO_VERSION
-          $env:CGO_ENABLED = "0"
-          go run -v "github.com/sagernet/cronet-go/cmd/build-naive@$CRONET_GO_VERSION" extract-lib --target windows/${{ matrix.arch }} -o dist
-      - name: Archive
-        if: matrix.naive
-        run: |
-          $DIR_NAME = "sing-box-${{ needs.calculate_version.outputs.version }}-windows-${{ matrix.arch }}"
-          mkdir "dist/$DIR_NAME"
-          Copy-Item LICENSE "dist/$DIR_NAME"
-          Copy-Item "dist/sing-box.exe" "dist/$DIR_NAME"
-          Copy-Item "dist/libcronet.dll" "dist/$DIR_NAME"
-          Compress-Archive -Path "dist/$DIR_NAME" -DestinationPath "dist/$DIR_NAME.zip"
-          Remove-Item -Recurse "dist/$DIR_NAME"
-      - name: Archive
-        if: ${{ !matrix.naive }}
-        run: |
-          $DIR_NAME = "sing-box-${{ needs.calculate_version.outputs.version }}-windows-${{ matrix.arch }}"
-          mkdir "dist/$DIR_NAME"
-          Copy-Item LICENSE "dist/$DIR_NAME"
-          Copy-Item "dist/sing-box.exe" "dist/$DIR_NAME"
-          Compress-Archive -Path "dist/$DIR_NAME" -DestinationPath "dist/$DIR_NAME.zip"
-          Remove-Item -Recurse "dist/$DIR_NAME"
-      - name: Cleanup
-        if: matrix.naive
-        run: Remove-Item dist/sing-box.exe, dist/libcronet.dll
-      - name: Cleanup
-        if: ${{ !matrix.naive }}
-        run: Remove-Item dist/sing-box.exe
-      - name: Upload artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: binary-windows_${{ matrix.arch }}
           path: "dist"
   build_android:
     name: Build Android
-    if: (github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Android') && github.ref != 'refs/heads/oldstable'
+    if: github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Android'
     runs-on: ubuntu-latest
     needs:
       - calculate_version
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
           submodules: 'recursive'
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ~1.25.8
+          go-version: ^1.24
       - name: Setup Android NDK
         id: setup-ndk
         uses: nttld/setup-ndk@v1
@@ -664,12 +317,12 @@ jobs:
           JAVA_HOME: /usr/lib/jvm/java-17-openjdk-amd64
           ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
       - name: Checkout main branch
-        if: github.ref == 'refs/heads/stable' && github.event_name != 'workflow_dispatch'
+        if: github.ref == 'refs/heads/main-next' && github.event_name != 'workflow_dispatch'
         run: |-
           cd clients/android
           git checkout main
       - name: Checkout dev branch
-        if: github.ref == 'refs/heads/testing'
+        if: github.ref == 'refs/heads/dev-next'
         run: |-
           cd clients/android
           git checkout dev
@@ -689,9 +342,9 @@ jobs:
       - name: Build
         run: |-
           mkdir clients/android/app/libs
-          cp *.aar clients/android/app/libs
+          cp libbox.aar clients/android/app/libs
           cd clients/android
-          ./gradlew :app:assembleOtherRelease :app:assembleOtherLegacyRelease
+          ./gradlew :app:assemblePlayRelease :app:assembleOtherRelease
         env:
           JAVA_HOME: /usr/lib/jvm/java-17-openjdk-amd64
           ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
@@ -699,18 +352,8 @@ jobs:
       - name: Prepare upload
         run: |-
           mkdir -p dist
-          #cp clients/android/app/build/outputs/apk/play/release/*.apk dist
+          cp clients/android/app/build/outputs/apk/play/release/*.apk dist
-          cp clients/android/app/build/outputs/apk/other/release/*.apk dist
+          cp clients/android/app/build/outputs/apk/other/release/*-universal.apk dist
-          cp clients/android/app/build/outputs/apk/otherLegacy/release/*.apk dist
-          VERSION_CODE=$(grep VERSION_CODE clients/android/version.properties | cut -d= -f2)
-          VERSION_NAME=$(grep VERSION_NAME clients/android/version.properties | cut -d= -f2)
-          cat > dist/SFA-version-metadata.json << EOF
-          {
-            "version_code": ${VERSION_CODE},
-            "version_name": "${VERSION_NAME}"
-          }
-          EOF
-          cat dist/SFA-version-metadata.json
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
@@ -718,20 +361,20 @@ jobs:
           path: 'dist'
   publish_android:
     name: Publish Android
-    if: github.event_name == 'workflow_dispatch' && inputs.build == 'publish-android' && github.ref != 'refs/heads/oldstable'
+    if: github.event_name == 'workflow_dispatch' && inputs.build == 'publish-android'
     runs-on: ubuntu-latest
     needs:
       - calculate_version
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
           submodules: 'recursive'
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ~1.25.8
+          go-version: ^1.24
       - name: Setup Android NDK
         id: setup-ndk
         uses: nttld/setup-ndk@v1
@@ -754,12 +397,12 @@ jobs:
           JAVA_HOME: /usr/lib/jvm/java-17-openjdk-amd64
           ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
       - name: Checkout main branch
-        if: github.ref == 'refs/heads/stable' && github.event_name != 'workflow_dispatch'
+        if: github.ref == 'refs/heads/main-next' && github.event_name != 'workflow_dispatch'
         run: |-
           cd clients/android
           git checkout main
       - name: Checkout dev branch
-        if: github.ref == 'refs/heads/testing'
+        if: github.ref == 'refs/heads/dev-next'
         run: |-
           cd clients/android
           git checkout dev
@@ -772,7 +415,7 @@ jobs:
         run: |-
           go run -v ./cmd/internal/update_android_version --ci
           mkdir clients/android/app/libs
-          cp *.aar clients/android/app/libs
+          cp libbox.aar clients/android/app/libs
           cd clients/android
           echo -n "$SERVICE_ACCOUNT_CREDENTIALS" | base64 --decode > service-account-credentials.json
           ./gradlew :app:publishPlayReleaseBundle
@@ -783,8 +426,7 @@ jobs:
           SERVICE_ACCOUNT_CREDENTIALS: ${{ secrets.SERVICE_ACCOUNT_CREDENTIALS }}
   build_apple:
     name: Build Apple clients
-    runs-on: macos-26
+    runs-on: macos-15
-    if: false # github.event_name != 'workflow_dispatch' || inputs.build == 'All' || inputs.build == 'Apple' || inputs.build == 'app-store' || inputs.build == 'iOS' || inputs.build == 'macOS' || inputs.build == 'tvOS' || inputs.build == 'macOS-standalone'
     needs:
       - calculate_version
     strategy:
@@ -822,7 +464,7 @@ jobs:
     steps:
       - name: Checkout
         if: matrix.if
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
           submodules: 'recursive'
@@ -830,7 +472,15 @@ jobs:
         if: matrix.if
         uses: actions/setup-go@v5
         with:
-          go-version: ~1.25.8
+          go-version: ^1.24
+      - name: Setup Xcode stable
+        if: matrix.if && github.ref == 'refs/heads/main-next'
+        run: |-
+          sudo xcode-select -s /Applications/Xcode_16.4.app
+      - name: Setup Xcode beta
+        if: matrix.if && github.ref == 'refs/heads/dev-next'
+        run: |-
+          sudo xcode-select -s /Applications/Xcode_16.4.app
       - name: Set tag
         if: matrix.if
         run: |-
@@ -838,12 +488,12 @@ jobs:
           git tag v${{ needs.calculate_version.outputs.version }} -f
           echo "VERSION=${{ needs.calculate_version.outputs.version }}" >> "$GITHUB_ENV"
       - name: Checkout main branch
-        if: matrix.if && github.ref == 'refs/heads/stable' && github.event_name != 'workflow_dispatch'
+        if: matrix.if && github.ref == 'refs/heads/main-next' && github.event_name != 'workflow_dispatch'
         run: |-
           cd clients/apple
           git checkout main
       - name: Checkout dev branch
-        if: matrix.if && github.ref == 'refs/heads/testing'
+        if: matrix.if && github.ref == 'refs/heads/dev-next'
         run: |-
           cd clients/apple
           git checkout dev
@@ -929,7 +579,7 @@ jobs:
             -authenticationKeyID $ASC_KEY_ID \
             -authenticationKeyIssuerID $ASC_KEY_ISSUER_ID
       - name: Publish to TestFlight
-        if: matrix.if && matrix.name != 'macOS-standalone' && github.event_name == 'workflow_dispatch' && github.ref =='refs/heads/testing'
+        if: matrix.if && matrix.name != 'macOS-standalone' && github.event_name == 'workflow_dispatch' && github.ref =='refs/heads/dev-next'
         run: |-
           go run -v ./cmd/internal/app_store_connect publish_testflight ${{ matrix.platform }}
       - name: Build image
@@ -949,7 +599,7 @@ jobs:
           		--app-drop-link 0 0 \
           		--skip-jenkins \
           	SFM.dmg "${{ matrix.export_path }}/SFM.app"
-          xcrun notarytool submit "SFM.dmg" --wait --keychain-profile "notarytool-password"
+          xcrun notarytool submit "SFM.dmg" --wait --keychain-profile "notarytool-password"          
           cd "${{ matrix.archive }}"
           zip -r SFM.dSYMs.zip dSYMs
           popd
@@ -970,13 +620,11 @@ jobs:
     needs:
       - calculate_version
       - build
-      - build_darwin
-      - build_windows
       - build_android
       - build_apple
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Cache ghr
@@ -999,7 +647,7 @@ jobs:
           git tag v${{ needs.calculate_version.outputs.version }} -f
           echo "VERSION=${{ needs.calculate_version.outputs.version }}" >> "$GITHUB_ENV"
       - name: Download builds
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
         with:
           path: dist
           merge-multiple: true

.github/workflows/docker.yml

@@ -1,10 +1,6 @@
 name: Publish Docker Images
 
 on:
-  #push:
-  #  branches:
-  #    - stable
-  #    - testing
   release:
     types:
       - published
@@ -17,25 +13,20 @@ env:
   REGISTRY_IMAGE: ghcr.io/sagernet/sing-box
 
 jobs:
-  build_binary:
+  build:
-    name: Build binary
     runs-on: ubuntu-latest
     strategy:
       fail-fast: true
       matrix:
-        include:
+        platform:
-          # Naive-enabled builds (musl)
+          - linux/amd64
-          - { arch: amd64, naive: true, docker_platform: "linux/amd64" }
+          - linux/arm/v6
-          - { arch: arm64, naive: true, docker_platform: "linux/arm64" }
+          - linux/arm/v7
-          - { arch: "386", naive: true, docker_platform: "linux/386" }
+          - linux/arm64
-          - { arch: arm, goarm: "7", naive: true, docker_platform: "linux/arm/v7" }
+          - linux/386
-          - { arch: mipsle, gomips: softfloat, naive: true, docker_platform: "linux/mipsle" }
+          - linux/ppc64le
-          - { arch: riscv64, naive: true, docker_platform: "linux/riscv64" }
+          - linux/riscv64
-          - { arch: loong64, naive: true, docker_platform: "linux/loong64" }
+          - linux/s390x
-          # Non-naive builds
-          - { arch: arm, goarm: "6", docker_platform: "linux/arm/v6" }
-          - { arch: ppc64le, docker_platform: "linux/ppc64le" }
-          - { arch: s390x, docker_platform: "linux/s390x" }
     steps:
       - name: Get commit to build
         id: ref
@@ -48,146 +39,7 @@ jobs:
           echo "ref=$ref"
           echo "ref=$ref" >> $GITHUB_OUTPUT
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
-        with:
-          ref: ${{ steps.ref.outputs.ref }}
-          fetch-depth: 0
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: ~1.25.8
-      - name: Clone cronet-go
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          CRONET_GO_VERSION=$(cat .github/CRONET_GO_VERSION)
-          git init ~/cronet-go
-          git -C ~/cronet-go remote add origin https://github.com/sagernet/cronet-go.git
-          git -C ~/cronet-go fetch --depth=1 origin "$CRONET_GO_VERSION"
-          git -C ~/cronet-go checkout FETCH_HEAD
-          git -C ~/cronet-go submodule update --init --recursive --depth=1
-      - name: Regenerate Debian keyring
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          rm -f ~/cronet-go/naiveproxy/src/build/linux/sysroot_scripts/keyring.gpg
-          cd ~/cronet-go
-          GPG_TTY=/dev/null ./naiveproxy/src/build/linux/sysroot_scripts/generate_keyring.sh
-      - name: Cache Chromium toolchain
-        if: matrix.naive
-        id: cache-chromium-toolchain
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/cronet-go/naiveproxy/src/third_party/llvm-build/
-            ~/cronet-go/naiveproxy/src/gn/out/
-            ~/cronet-go/naiveproxy/src/chrome/build/pgo_profiles/
-            ~/cronet-go/naiveproxy/src/out/sysroot-build/
-          key: chromium-toolchain-${{ matrix.arch }}-musl-${{ hashFiles('.github/CRONET_GO_VERSION') }}
-      - name: Download Chromium toolchain
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          cd ~/cronet-go
-          go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl download-toolchain
-      - name: Set version
-        run: |
-          set -xeuo pipefail
-          VERSION=$(go run ./cmd/internal/read_tag)
-          echo "VERSION=${VERSION}" >> "${GITHUB_ENV}"
-      - name: Set Chromium toolchain environment
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          cd ~/cronet-go
-          go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl env >> $GITHUB_ENV
-      - name: Set build tags
-        run: |
-          set -xeuo pipefail
-          if [[ "${{ matrix.naive }}" == "true" ]]; then
-            TAGS="$(cat release/DEFAULT_BUILD_TAGS),with_musl"
-          else
-            TAGS=$(cat release/DEFAULT_BUILD_TAGS_OTHERS)
-          fi
-          echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
-      - name: Set shared ldflags
-        run: |
-          echo "LDFLAGS_SHARED=$(cat release/LDFLAGS)" >> "${GITHUB_ENV}"
-      - name: Build (naive)
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          go build -v -trimpath -o sing-box -tags "${BUILD_TAGS}" \
-          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${VERSION}' ${LDFLAGS_SHARED} -s -w -buildid=" \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "1"
-          GOOS: linux
-          GOARCH: ${{ matrix.arch }}
-          GOARM: ${{ matrix.goarm }}
-          GOMIPS: ${{ matrix.gomips }}
-      - name: Build (non-naive)
-        if: ${{ ! matrix.naive }}
-        run: |
-          set -xeuo pipefail
-          go build -v -trimpath -o sing-box -tags "${BUILD_TAGS}" \
-          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${VERSION}' ${LDFLAGS_SHARED} -s -w -buildid=" \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "0"
-          GOOS: linux
-          GOARCH: ${{ matrix.arch }}
-          GOARM: ${{ matrix.goarm }}
-      - name: Prepare artifact
-        run: |
-          platform=${{ matrix.docker_platform }}
-          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
-          # Rename binary to include arch info for Dockerfile.binary
-          BINARY_NAME="sing-box-${{ matrix.arch }}"
-          if [[ -n "${{ matrix.goarm }}" ]]; then
-            BINARY_NAME="${BINARY_NAME}v${{ matrix.goarm }}"
-          fi
-          mv sing-box "${BINARY_NAME}"
-          echo "BINARY_NAME=${BINARY_NAME}" >> $GITHUB_ENV
-      - name: Upload binary
-        uses: actions/upload-artifact@v4
-        with:
-          name: binary-${{ env.PLATFORM_PAIR }}
-          path: ${{ env.BINARY_NAME }}
-          if-no-files-found: error
-          retention-days: 1
-  build_docker:
-    name: Build Docker image
-    runs-on: ubuntu-latest
-    needs:
-      - build_binary
-    strategy:
-      fail-fast: true
-      matrix:
-        include:
-          - { platform: "linux/amd64" }
-          - { platform: "linux/arm/v6" }
-          - { platform: "linux/arm/v7" }
-          - { platform: "linux/arm64" }
-          - { platform: "linux/386" }
-          # mipsle: no base Docker image available for this platform
-          - { platform: "linux/ppc64le" }
-          - { platform: "linux/riscv64" }
-          - { platform: "linux/s390x" }
-          - { platform: "linux/loong64", base_image: "ghcr.io/loong64/alpine:edge" }
-    steps:
-      - name: Get commit to build
-        id: ref
-        run: |-
-          if [[ -z "${{ github.event.inputs.tag }}" ]]; then
-            ref="${{ github.ref_name }}"
-          else
-            ref="${{ github.event.inputs.tag }}"
-          fi
-          echo "ref=$ref"
-          echo "ref=$ref" >> $GITHUB_OUTPUT
-      - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
         with:
           ref: ${{ steps.ref.outputs.ref }}
           fetch-depth: 0
@@ -195,16 +47,6 @@ jobs:
         run: |
           platform=${{ matrix.platform }}
           echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
-      - name: Download binary
-        uses: actions/download-artifact@v5
-        with:
-          name: binary-${{ env.PLATFORM_PAIR }}
-          path: .
-      - name: Prepare binary
-        run: |
-          # Find and make the binary executable
-          chmod +x sing-box-*
-          ls -la sing-box-*
       - name: Setup QEMU
         uses: docker/setup-qemu-action@v3
       - name: Setup Docker Buildx
@@ -226,9 +68,8 @@ jobs:
         with:
           platforms: ${{ matrix.platform }}
           context: .
-          file: Dockerfile.binary
           build-args: |
-            BASE_IMAGE=${{ matrix.base_image || 'alpine' }}
+            BUILDKIT_CONTEXT_KEEP_GIT_DIR=1
           labels: ${{ steps.meta.outputs.labels }}
           outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
       - name: Export digest
@@ -244,10 +85,9 @@ jobs:
           if-no-files-found: error
           retention-days: 1
   merge:
-    if: github.event_name != 'push'
     runs-on: ubuntu-latest
     needs:
-      - build_docker
+      - build
     steps:
       - name: Get commit to build
         id: ref
@@ -259,15 +99,15 @@ jobs:
           fi
           echo "ref=$ref"
           echo "ref=$ref" >> $GITHUB_OUTPUT
-      - name: Checkout
+          if [[ $ref == *"-"* ]]; then
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+            latest=latest-beta
-        with:
+          else
-          ref: ${{ steps.ref.outputs.ref }}
+            latest=latest
-          fetch-depth: 0
+          fi
-      - name: Detect track
+          echo "latest=$latest"
-        run: bash .github/detect_track.sh
+          echo "latest=$latest" >> $GITHUB_OUTPUT
       - name: Download digests
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
         with:
           path: /tmp/digests
           pattern: digests-*
@@ -281,15 +121,13 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Create manifest list and push
-        if: github.event_name != 'push'
         working-directory: /tmp/digests
         run: |
           docker buildx imagetools create \
-            -t "${{ env.REGISTRY_IMAGE }}:${{ env.DOCKER_TAG }}" \
+            -t "${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.latest }}" \
             -t "${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.ref }}" \
             $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
       - name: Inspect image
-        if: github.event_name != 'push'
         run: |
-          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ env.DOCKER_TAG }}
+          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.latest }}
           docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.ref.outputs.ref }}

.github/workflows/lint.yml

@@ -3,20 +3,18 @@ name: Lint
 on:
   push:
     branches:
-      - oldstable
+      - stable-next
-      - stable
+      - main-next
-      - testing
+      - dev-next
-      - unstable
     paths-ignore:
       - '**.md'
       - '.github/**'
       - '!.github/workflows/lint.yml'
   pull_request:
     branches:
-      - oldstable
+      - stable-next
-      - stable
+      - main-next
-      - testing
+      - dev-next
-      - unstable
 
 jobs:
   build:
@@ -24,15 +22,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ^1.25
+          go-version: ^1.24
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v6
         with:
           version: latest
           args: --timeout=30m

.github/workflows/linux.yml

@@ -1,10 +1,6 @@
 name: Build Linux Packages
 
 on:
-  #push:
-  #  branches:
-  #    - stable
-  #    - testing
   workflow_dispatch:
     inputs:
       version:
@@ -23,13 +19,13 @@ jobs:
       version: ${{ steps.outputs.outputs.version }}
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ~1.25.8
+          go-version: ^1.24
       - name: Check input version
         if: github.event_name == 'workflow_dispatch'
         run: |-
@@ -51,68 +47,32 @@ jobs:
     strategy:
       matrix:
         include:
-          # Naive-enabled builds (musl)
+          - { os: linux, arch: amd64, debian: amd64, rpm: x86_64, pacman: x86_64 }
-          - { os: linux, arch: amd64, naive: true, debian: amd64, rpm: x86_64, pacman: x86_64 }
+          - { os: linux, arch: "386", debian: i386, rpm: i386 }
-          - { os: linux, arch: arm64, naive: true, debian: arm64, rpm: aarch64, pacman: aarch64 }
-          - { os: linux, arch: "386", naive: true, debian: i386, rpm: i386 }
-          - { os: linux, arch: arm, goarm: "7", naive: true, debian: armhf, rpm: armv7hl, pacman: armv7hl }
-          - { os: linux, arch: mipsle, gomips: softfloat, naive: true, debian: mipsel, rpm: mipsel }
-          - { os: linux, arch: riscv64, naive: true, debian: riscv64, rpm: riscv64 }
-          - { os: linux, arch: loong64, naive: true, debian: loongarch64, rpm: loongarch64 }
-          # Non-naive builds (unsupported architectures)
           - { os: linux, arch: arm, goarm: "6", debian: armel, rpm: armv6hl }
+          - { os: linux, arch: arm, goarm: "7", debian: armhf, rpm: armv7hl, pacman: armv7hl }
+          - { os: linux, arch: arm64, debian: arm64, rpm: aarch64, pacman: aarch64 }
           - { os: linux, arch: mips64le, debian: mips64el, rpm: mips64el }
+          - { os: linux, arch: mipsle, debian: mipsel, rpm: mipsel }
           - { os: linux, arch: s390x, debian: s390x, rpm: s390x }
           - { os: linux, arch: ppc64le, debian: ppc64el, rpm: ppc64le }
+          - { os: linux, arch: riscv64, debian: riscv64, rpm: riscv64 }
+          - { os: linux, arch: loong64, debian: loongarch64, rpm: loongarch64 }
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: ~1.25.8
+          go-version: ^1.24
-      - name: Clone cronet-go
+      - name: Setup Android NDK
-        if: matrix.naive
+        if: matrix.os == 'android'
-        run: |
+        uses: nttld/setup-ndk@v1
-          set -xeuo pipefail
-          CRONET_GO_VERSION=$(cat .github/CRONET_GO_VERSION)
-          git init ~/cronet-go
-          git -C ~/cronet-go remote add origin https://github.com/sagernet/cronet-go.git
-          git -C ~/cronet-go fetch --depth=1 origin "$CRONET_GO_VERSION"
-          git -C ~/cronet-go checkout FETCH_HEAD
-          git -C ~/cronet-go submodule update --init --recursive --depth=1
-      - name: Regenerate Debian keyring
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          rm -f ~/cronet-go/naiveproxy/src/build/linux/sysroot_scripts/keyring.gpg
-          cd ~/cronet-go
-          GPG_TTY=/dev/null ./naiveproxy/src/build/linux/sysroot_scripts/generate_keyring.sh
-      - name: Cache Chromium toolchain
-        if: matrix.naive
-        id: cache-chromium-toolchain
-        uses: actions/cache@v4
         with:
-          path: |
+          ndk-version: r28
-            ~/cronet-go/naiveproxy/src/third_party/llvm-build/
+          local-cache: true
-            ~/cronet-go/naiveproxy/src/gn/out/
-            ~/cronet-go/naiveproxy/src/chrome/build/pgo_profiles/
-            ~/cronet-go/naiveproxy/src/out/sysroot-build/
-          key: chromium-toolchain-${{ matrix.arch }}-musl-${{ hashFiles('.github/CRONET_GO_VERSION') }}
-      - name: Download Chromium toolchain
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          cd ~/cronet-go
-          go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl download-toolchain
-      - name: Set Chromium toolchain environment
-        if: matrix.naive
-        run: |
-          set -xeuo pipefail
-          cd ~/cronet-go
-          go run ./cmd/build-naive --target=linux/${{ matrix.arch }} --libc=musl env >> $GITHUB_ENV
       - name: Set tag
         run: |-
           git ls-remote --exit-code --tags origin v${{ needs.calculate_version.outputs.version }} || echo "PUBLISHED=false" >> "$GITHUB_ENV"
@@ -120,38 +80,14 @@ jobs:
       - name: Set build tags
         run: |
           set -xeuo pipefail
-          if [[ "${{ matrix.naive }}" == "true" ]]; then
+          TAGS='with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale'
-            TAGS="$(cat release/DEFAULT_BUILD_TAGS),with_musl"
-          else
-            TAGS=$(cat release/DEFAULT_BUILD_TAGS_OTHERS)
-          fi
           echo "BUILD_TAGS=${TAGS}" >> "${GITHUB_ENV}"
-      - name: Set shared ldflags
+      - name: Build
-        run: |
-          echo "LDFLAGS_SHARED=$(cat release/LDFLAGS)" >> "${GITHUB_ENV}"
-      - name: Build (naive)
-        if: matrix.naive
         run: |
           set -xeuo pipefail
           mkdir -p dist
           go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' ${LDFLAGS_SHARED} -s -w -buildid=" \
+          -ldflags '-s -buildid= -X github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' \
-          ./cmd/sing-box
-        env:
-          CGO_ENABLED: "1"
-          GOOS: linux
-          GOARCH: ${{ matrix.arch }}
-          GOARM: ${{ matrix.goarm }}
-          GOMIPS: ${{ matrix.gomips }}
-          GOMIPS64: ${{ matrix.gomips }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Build (non-naive)
-        if: ${{ ! matrix.naive }}
-        run: |
-          set -xeuo pipefail
-          mkdir -p dist
-          go build -v -trimpath -o dist/sing-box -tags "${BUILD_TAGS}" \
-          -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${{ needs.calculate_version.outputs.version }}' ${LDFLAGS_SHARED} -s -w -buildid=" \
           ./cmd/sing-box
         env:
           CGO_ENABLED: "0"
@@ -162,8 +98,14 @@ jobs:
       - name: Set mtime
         run: |-
           TZ=UTC touch -t '197001010000' dist/sing-box
-      - name: Detect track
+      - name: Set name
-        run: bash .github/detect_track.sh
+        if: ${{ ! contains(needs.calculate_version.outputs.version, '-') }}
+        run: |-
+          echo "NAME=sing-box" >> "$GITHUB_ENV"
+      - name: Set beta name
+        if: contains(needs.calculate_version.outputs.version, '-')
+        run: |-
+          echo "NAME=sing-box-beta" >> "$GITHUB_ENV"
       - name: Set version
         run: |-
           PKG_VERSION="${{ needs.calculate_version.outputs.version }}"
@@ -224,7 +166,7 @@ jobs:
       - build
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
         with:
           fetch-depth: 0
       - name: Set tag
@@ -233,11 +175,10 @@ jobs:
           git tag v${{ needs.calculate_version.outputs.version }} -f
           echo "VERSION=${{ needs.calculate_version.outputs.version }}" >> "$GITHUB_ENV"
       - name: Download builds
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
         with:
           path: dist
           merge-multiple: true
       - name: Publish packages
-        if: github.event_name != 'push'
         run: |-
           ls dist | xargs -I {} curl -F "package=@dist/{}" https://${{ secrets.FURY_TOKEN }}@push.fury.io/sagernet/

.gitignore

@@ -12,12 +12,7 @@
 /*.jar
 /*.aar
 /*.xcframework/
-/experimental/libbox/*.aar
-/experimental/libbox/*.xcframework/
-/experimental/libbox/*.nupkg
 .DS_Store
 /config.d/
 /venv/
-CLAUDE.md
+
-AGENTS.md
-/.claude/

.golangci.yml

@@ -1,6 +1,27 @@
-version: "2"
+linters:
+  disable-all: true
+  enable:
+    - gofumpt
+    - govet
+    - gci
+    - staticcheck
+    - paralleltest
+    - ineffassign
+
+linters-settings:
+  gci:
+    custom-order: true
+    sections:
+      - standard
+      - prefix(github.com/sagernet/)
+      - default
+  staticcheck:
+    checks:
+      - all
+      - -SA1003
+
 run:
-  go: "1.25"
+  go: "1.23"
   build-tags:
     - with_gvisor
     - with_quic
@@ -9,56 +30,7 @@ run:
     - with_utls
     - with_acme
     - with_clash_api
-    - with_tailscale
+
-    - with_ccm
+issues:
-    - with_ocm
+  exclude-dirs:
-    - badlinkname
+    - transport/simple-obfs
-    - tfogo_checklinkname0
-linters:
-  default: none
-  enable:
-    - govet
-    - ineffassign
-    - paralleltest
-    - staticcheck
-  settings:
-    staticcheck:
-      checks:
-        - all
-        - -S1000
-        - -S1008
-        - -S1017
-        - -ST1003
-        - -QF1001
-        - -QF1003
-        - -QF1008
-  exclusions:
-    generated: lax
-    presets:
-      - comments
-      - common-false-positives
-      - legacy
-      - std-error-handling
-    paths:
-      - transport/simple-obfs
-      - third_party$
-      - builtin$
-      - examples$
-formatters:
-  enable:
-    - gci
-    - gofumpt
-  settings:
-    gci:
-      sections:
-        - standard
-        - prefix(github.com/sagernet/)
-        - default
-      custom-order: true
-  exclusions:
-    generated: lax
-    paths:
-      - transport/simple-obfs
-      - third_party$
-      - builtin$
-      - examples$

.goreleaser.fury.yaml

@@ -0,0 +1,103 @@
+project_name: sing-box
+builds:
+  - id: main
+    main: ./cmd/sing-box
+    flags:
+      - -v
+      - -trimpath
+    ldflags:
+      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }}
+      - -s
+      - -buildid=
+    tags:
+      - with_gvisor
+      - with_quic
+      - with_dhcp
+      - with_wireguard
+      - with_utls
+      - with_acme
+      - with_clash_api
+      - with_tailscale
+    env:
+      - CGO_ENABLED=0
+    targets:
+      - linux_386
+      - linux_amd64_v1
+      - linux_arm64
+      - linux_arm_7
+      - linux_s390x
+      - linux_riscv64
+      - linux_mips64le
+    mod_timestamp: '{{ .CommitTimestamp }}'
+snapshot:
+  name_template: "{{ .Version }}.{{ .ShortCommit }}"
+nfpms:
+  - &template
+    id: package
+    package_name: sing-box
+    file_name_template: '{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ with .Mips }}_{{ . }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
+    builds:
+      - main
+    homepage: https://sing-box.sagernet.org/
+    maintainer: nekohasekai <contact-git@sekai.icu>
+    description: The universal proxy platform.
+    license: GPLv3 or later
+    formats:
+      - deb
+      - rpm
+    priority: extra
+    contents:
+      - src: release/config/config.json
+        dst: /etc/sing-box/config.json
+        type: "config|noreplace"
+
+      - src: release/config/sing-box.service
+        dst: /usr/lib/systemd/system/sing-box.service
+      - src: release/config/sing-box@.service
+        dst: /usr/lib/systemd/system/sing-box@.service
+      - src: release/config/sing-box.sysusers
+        dst: /usr/lib/sysusers.d/sing-box.conf
+      - src: release/config/sing-box.rules
+        dst: /usr/share/polkit-1/rules.d/sing-box.rules
+      - src: release/config/sing-box-split-dns.xml
+        dst: /usr/share/dbus-1/system.d/sing-box-split-dns.conf
+
+      - src: release/completions/sing-box.bash
+        dst: /usr/share/bash-completion/completions/sing-box.bash
+      - src: release/completions/sing-box.fish
+        dst: /usr/share/fish/vendor_completions.d/sing-box.fish
+      - src: release/completions/sing-box.zsh
+        dst: /usr/share/zsh/site-functions/_sing-box
+
+      - src: LICENSE
+        dst: /usr/share/licenses/sing-box/LICENSE
+    deb:
+      signature:
+        key_file: "{{ .Env.NFPM_KEY_PATH }}"
+      fields:
+        Bugs: https://github.com/SagerNet/sing-box/issues
+    rpm:
+      signature:
+        key_file: "{{ .Env.NFPM_KEY_PATH }}"
+    conflicts:
+      - sing-box-beta
+  - id: package_beta
+    <<: *template
+    package_name: sing-box-beta
+    file_name_template: '{{ .ProjectName }}-beta_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ with .Mips }}_{{ . }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
+    formats:
+      - deb
+      - rpm
+    conflicts:
+      - sing-box
+release:
+  disable: true
+furies:
+  - account: sagernet
+    ids:
+      - package
+    disable: "{{ not (not .Prerelease) }}"
+  - account: sagernet
+    ids:
+      - package_beta
+    disable: "{{ not .Prerelease }}"

.goreleaser.yaml

@@ -0,0 +1,213 @@
+version: 2
+project_name: sing-box
+builds:
+  - &template
+    id: main
+    main: ./cmd/sing-box
+    flags:
+      - -v
+      - -trimpath
+    ldflags:
+      - -X github.com/sagernet/sing-box/constant.Version={{ .Version }}
+      - -s
+      - -buildid=
+    tags:
+      - with_gvisor
+      - with_quic
+      - with_dhcp
+      - with_wireguard
+      - with_utls
+      - with_acme
+      - with_clash_api
+      - with_tailscale
+    env:
+      - CGO_ENABLED=0
+      - GOTOOLCHAIN=local
+    targets:
+      - linux_386
+      - linux_amd64_v1
+      - linux_arm64
+      - linux_arm_6
+      - linux_arm_7
+      - linux_s390x
+      - linux_riscv64
+      - linux_mips64le
+      - windows_amd64_v1
+      - windows_386
+      - windows_arm64
+      - darwin_amd64_v1
+      - darwin_arm64
+    mod_timestamp: '{{ .CommitTimestamp }}'
+  - id: legacy
+    <<: *template
+    tags:
+      - with_gvisor
+      - with_quic
+      - with_dhcp
+      - with_wireguard
+      - with_utls
+      - with_acme
+      - with_clash_api
+      - with_tailscale
+    env:
+      - CGO_ENABLED=0
+      - GOROOT={{ .Env.GOPATH }}/go_legacy
+    tool: "{{ .Env.GOPATH }}/go_legacy/bin/go"
+    targets:
+      - windows_amd64_v1
+      - windows_386
+  - id: android
+    <<: *template
+    env:
+      - CGO_ENABLED=1
+      - GOTOOLCHAIN=local
+    overrides:
+      - goos: android
+        goarch: arm
+        goarm: 7
+        env:
+          - CC=armv7a-linux-androideabi21-clang
+          - CXX=armv7a-linux-androideabi21-clang++
+      - goos: android
+        goarch: arm64
+        env:
+          - CC=aarch64-linux-android21-clang
+          - CXX=aarch64-linux-android21-clang++
+      - goos: android
+        goarch: 386
+        env:
+          - CC=i686-linux-android21-clang
+          - CXX=i686-linux-android21-clang++
+      - goos: android
+        goarch: amd64
+        goamd64: v1
+        env:
+          - CC=x86_64-linux-android21-clang
+          - CXX=x86_64-linux-android21-clang++
+    targets:
+      - android_arm_7
+      - android_arm64
+      - android_386
+      - android_amd64
+archives:
+  - &template
+    id: archive
+    builds:
+      - main
+      - android
+    formats:
+      - tar.gz
+    format_overrides:
+      - goos: windows
+        formats:
+          - zip
+    wrap_in_directory: true
+    files:
+      - LICENSE
+    name_template: '{{ .ProjectName }}-{{ .Version }}-{{ .Os }}-{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ if and .Mips (not (eq .Mips "hardfloat")) }}_{{ .Mips }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
+  - id: archive-legacy
+    <<: *template
+    builds:
+      - legacy
+    name_template: '{{ .ProjectName }}-{{ .Version }}-{{ .Os }}-{{ .Arch }}-legacy'
+nfpms:
+  - id: package
+    package_name: sing-box
+    file_name_template: '{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ with .Arm }}v{{ . }}{{ end }}{{ if and .Mips (not (eq .Mips "hardfloat")) }}_{{ .Mips }}{{ end }}{{ if not (eq .Amd64 "v1") }}{{ .Amd64 }}{{ end }}'
+    builds:
+      - main
+    homepage: https://sing-box.sagernet.org/
+    maintainer: nekohasekai <contact-git@sekai.icu>
+    description: The universal proxy platform.
+    license: GPLv3 or later
+    formats:
+      - deb
+      - rpm
+      - archlinux
+#      - apk
+#      - ipk
+    priority: extra
+    contents:
+      - src: release/config/config.json
+        dst: /etc/sing-box/config.json
+        type: "config|noreplace"
+
+      - src: release/config/sing-box.service
+        dst: /usr/lib/systemd/system/sing-box.service
+      - src: release/config/sing-box@.service
+        dst: /usr/lib/systemd/system/sing-box@.service
+      - src: release/config/sing-box.sysusers
+        dst: /usr/lib/sysusers.d/sing-box.conf
+      - src: release/config/sing-box.rules
+        dst: /usr/share/polkit-1/rules.d/sing-box.rules
+      - src: release/config/sing-box-split-dns.xml
+        dst: /usr/share/dbus-1/system.d/sing-box-split-dns.conf
+
+      - src: release/completions/sing-box.bash
+        dst: /usr/share/bash-completion/completions/sing-box.bash
+      - src: release/completions/sing-box.fish
+        dst: /usr/share/fish/vendor_completions.d/sing-box.fish
+      - src: release/completions/sing-box.zsh
+        dst: /usr/share/zsh/site-functions/_sing-box
+
+      - src: LICENSE
+        dst: /usr/share/licenses/sing-box/LICENSE
+    deb:
+      signature:
+        key_file: "{{ .Env.NFPM_KEY_PATH }}"
+      fields:
+        Bugs: https://github.com/SagerNet/sing-box/issues
+    rpm:
+      signature:
+        key_file: "{{ .Env.NFPM_KEY_PATH }}"
+    overrides:
+      apk:
+        contents:
+          - src: release/config/config.json
+            dst: /etc/sing-box/config.json
+            type: config
+
+          - src: release/config/sing-box.initd
+            dst: /etc/init.d/sing-box
+
+          - src: release/completions/sing-box.bash
+            dst: /usr/share/bash-completion/completions/sing-box.bash
+          - src: release/completions/sing-box.fish
+            dst: /usr/share/fish/vendor_completions.d/sing-box.fish
+          - src: release/completions/sing-box.zsh
+            dst: /usr/share/zsh/site-functions/_sing-box
+
+          - src: LICENSE
+            dst: /usr/share/licenses/sing-box/LICENSE
+      ipk:
+        contents:
+          - src: release/config/config.json
+            dst: /etc/sing-box/config.json
+            type: config
+
+          - src: release/config/openwrt.init
+            dst: /etc/init.d/sing-box
+          - src: release/config/openwrt.conf
+            dst: /etc/config/sing-box
+source:
+  enabled: false
+  name_template: '{{ .ProjectName }}-{{ .Version }}.source'
+  prefix_template: '{{ .ProjectName }}-{{ .Version }}/'
+checksum:
+  disable: true
+  name_template: '{{ .ProjectName }}-{{ .Version }}.checksum'
+signs:
+  - artifacts: checksum
+release:
+  github:
+    owner: SagerNet
+    name: sing-box
+  draft: true
+  prerelease: auto
+  mode: replace
+  ids:
+    - archive
+    - package
+  skip_upload: true
+partial:
+  by: target

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.25-alpine AS builder
+FROM --platform=$BUILDPLATFORM golang:1.24-alpine AS builder
 LABEL maintainer="nekohasekai <contact-git@sekai.icu>"
 COPY . /go/src/github.com/sagernet/sing-box
 WORKDIR /go/src/github.com/sagernet/sing-box
@@ -12,15 +12,16 @@ RUN set -ex \
     && apk add git build-base \
     && export COMMIT=$(git rev-parse --short HEAD) \
     && export VERSION=$(go run ./cmd/internal/read_tag) \
-    && export TAGS=$(cat release/DEFAULT_BUILD_TAGS_OTHERS) \
+    && go build -v -trimpath -tags \
-    && export LDFLAGS_SHARED=$(cat release/LDFLAGS) \
+        "with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale" \
-    && go build -v -trimpath -tags "$TAGS" \
         -o /go/bin/sing-box \
-        -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=$VERSION\" $LDFLAGS_SHARED -s -w -buildid=" \
+        -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=$VERSION\" -s -w -buildid=" \
         ./cmd/sing-box
 FROM --platform=$TARGETPLATFORM alpine AS dist
 LABEL maintainer="nekohasekai <contact-git@sekai.icu>"
 RUN set -ex \
-    && apk add --no-cache --upgrade bash tzdata ca-certificates nftables
+    && apk upgrade \
+    && apk add bash tzdata ca-certificates nftables \
+    && rm -rf /var/cache/apk/*
 COPY --from=builder /go/bin/sing-box /usr/local/bin/sing-box
 ENTRYPOINT ["sing-box"]

Dockerfile.binary

@@ -1,14 +0,0 @@
-ARG BASE_IMAGE=alpine
-FROM ${BASE_IMAGE}
-ARG TARGETARCH
-ARG TARGETVARIANT
-LABEL maintainer="nekohasekai <contact-git@sekai.icu>"
-RUN set -ex \
-    && if command -v apk > /dev/null; then \
-        apk add --no-cache --upgrade bash tzdata ca-certificates nftables; \
-    else \
-        apt-get update && apt-get install -y --no-install-recommends bash tzdata ca-certificates nftables \
-        && rm -rf /var/lib/apt/lists/*; \
-    fi
-COPY sing-box-${TARGETARCH}${TARGETVARIANT} /usr/local/bin/sing-box
-ENTRYPOINT ["sing-box"]

Makefile

@@ -1,18 +1,15 @@
 NAME = sing-box
 COMMIT = $(shell git rev-parse --short HEAD)
-TAGS ?= $(shell cat release/DEFAULT_BUILD_TAGS_OTHERS)
+TAGS ?= with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_acme,with_clash_api,with_tailscale
 
 GOHOSTOS = $(shell go env GOHOSTOS)
 GOHOSTARCH = $(shell go env GOHOSTARCH)
 VERSION=$(shell CGO_ENABLED=0 GOOS=$(GOHOSTOS) GOARCH=$(GOHOSTARCH) go run github.com/sagernet/sing-box/cmd/internal/read_tag@latest)
 
-LDFLAGS_SHARED = $(shell cat release/LDFLAGS)
+PARAMS = -v -trimpath -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=$(VERSION)' -s -w -buildid="
-PARAMS = -v -trimpath -ldflags "-X 'github.com/sagernet/sing-box/constant.Version=$(VERSION)' $(LDFLAGS_SHARED) -s -w -buildid="
 MAIN_PARAMS = $(PARAMS) -tags "$(TAGS)"
 MAIN = ./cmd/sing-box
 PREFIX ?= $(shell go env GOPATH)
-SING_FFI ?= sing-ffi
-LIBBOX_FFI_CONFIG ?= ./experimental/libbox/ffi.json
 
 .PHONY: test release docs build
 
@@ -20,10 +17,6 @@ build:
 	export GOTOOLCHAIN=local && \
 	go build $(MAIN_PARAMS) $(MAIN)
 
-race:
-	export GOTOOLCHAIN=local && \
-	go build -race $(MAIN_PARAMS) $(MAIN)
-
 ci_build:
 	export GOTOOLCHAIN=local && \
 	go build $(PARAMS) $(MAIN) && \
@@ -40,9 +33,6 @@ fmt:
 	@gofmt -s -w .
 	@gci write --custom-order -s standard -s "prefix(github.com/sagernet/)" -s "default" .
 
-fmt_docs:
-	go run ./cmd/internal/format_docs
-
 fmt_install:
 	go install -v mvdan.cc/gofumpt@latest
 	go install -v github.com/daixiang0/gci@latest
@@ -55,7 +45,7 @@ lint:
 	GOOS=freebsd golangci-lint run ./...
 
 lint_install:
-	go install -v github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
+	go install -v github.com/golangci/golangci-lint/cmd/golangci-lint@latest
 
 proto:
 	@go run ./cmd/internal/protogen
@@ -92,12 +82,12 @@ update_android_version:
 	go run ./cmd/internal/update_android_version
 
 build_android:
-	cd ../sing-box-for-android && ./gradlew :app:clean :app:assembleOtherRelease :app:assembleOtherLegacyRelease && ./gradlew --stop
+	cd ../sing-box-for-android && ./gradlew :app:clean :app:assemblePlayRelease :app:assembleOtherRelease && ./gradlew --stop
 
 upload_android:
 	mkdir -p dist/release_android
-	cp ../sing-box-for-android/app/build/outputs/apk/other/release/*.apk dist/release_android
+	cp ../sing-box-for-android/app/build/outputs/apk/play/release/*.apk dist/release_android
-	cp ../sing-box-for-android/app/build/outputs/apk/otherLegacy/release/*.apk dist/release_android
+	cp ../sing-box-for-android/app/build/outputs/apk/other/release/*-universal.apk dist/release_android
 	ghr --replace --draft --prerelease -p 5 "v${VERSION}" dist/release_android
 	rm -rf dist/release_android
 
@@ -112,7 +102,7 @@ build_ios:
 	cd ../sing-box-for-apple && \
 	rm -rf build/SFI.xcarchive && \
 	xcodebuild clean -scheme SFI && \
-	xcodebuild archive -scheme SFI -configuration Release -destination 'generic/platform=iOS' -archivePath build/SFI.xcarchive -allowProvisioningUpdates | xcbeautify | grep -A 10 -e "Archive Succeeded" -e "ARCHIVE FAILED" -e "❌"
+	xcodebuild archive -scheme SFI -configuration Release -destination 'generic/platform=iOS' -archivePath build/SFI.xcarchive -allowProvisioningUpdates
 
 upload_ios_app_store:
 	cd ../sing-box-for-apple && \
@@ -133,7 +123,7 @@ release_ios: build_ios upload_ios_app_store
 build_macos:
 	cd ../sing-box-for-apple && \
 	rm -rf build/SFM.xcarchive && \
-	xcodebuild archive -scheme SFM -configuration Release -archivePath build/SFM.xcarchive -allowProvisioningUpdates | xcbeautify | grep -A 10 -e "Archive Succeeded" -e "ARCHIVE FAILED" -e "❌"
+	xcodebuild archive -scheme SFM -configuration Release -archivePath build/SFM.xcarchive -allowProvisioningUpdates
 
 upload_macos_app_store:
 	cd ../sing-box-for-apple && \
@@ -142,50 +132,54 @@ upload_macos_app_store:
 release_macos: build_macos upload_macos_app_store
 
 build_macos_standalone:
-	$(MAKE) -C ../sing-box-for-apple archive_macos_standalone
+	cd ../sing-box-for-apple && \
+	rm -rf build/SFM.System.xcarchive && \
+	xcodebuild archive -scheme SFM.System -configuration Release -archivePath build/SFM.System.xcarchive -allowProvisioningUpdates
 
 build_macos_dmg:
-	$(MAKE) -C ../sing-box-for-apple build_macos_dmg
+	rm -rf dist/SFM
-
+	mkdir -p dist/SFM
-build_macos_pkg:
+	cd ../sing-box-for-apple && \
-	$(MAKE) -C ../sing-box-for-apple build_macos_pkg
+	rm -rf build/SFM.System && \
+	rm -rf build/SFM.dmg && \
+	xcodebuild -exportArchive \
+		-archivePath "build/SFM.System.xcarchive" \
+		-exportOptionsPlist SFM.System/Export.plist -allowProvisioningUpdates \
+		-exportPath "build/SFM.System" && \
+	create-dmg \
+		--volname "sing-box" \
+		--volicon "build/SFM.System/SFM.app/Contents/Resources/AppIcon.icns" \
+		--icon "SFM.app" 0 0 \
+ 		--hide-extension "SFM.app" \
+ 		--app-drop-link 0 0 \
+ 		--skip-jenkins \
+		"../sing-box/dist/SFM/SFM.dmg" "build/SFM.System/SFM.app"
 
 notarize_macos_dmg:
-	$(MAKE) -C ../sing-box-for-apple notarize_macos_dmg
+	xcrun notarytool submit "dist/SFM/SFM.dmg" --wait \
-
+	  --keychain-profile "notarytool-password" \
-notarize_macos_pkg:
+  	  --no-s3-acceleration
-	$(MAKE) -C ../sing-box-for-apple notarize_macos_pkg
 
 upload_macos_dmg:
-	mkdir -p dist/SFM
+	cd dist/SFM && \
-	cp ../sing-box-for-apple/build/SFM-Apple.dmg "dist/SFM/SFM-${VERSION}-Apple.dmg"
+	cp SFM.dmg "SFM-${VERSION}-universal.dmg" && \
-	cp ../sing-box-for-apple/build/SFM-Intel.dmg "dist/SFM/SFM-${VERSION}-Intel.dmg"
+	ghr --replace --draft --prerelease "v${VERSION}" "SFM-${VERSION}-universal.dmg"
-	cp ../sing-box-for-apple/build/SFM-Universal.dmg "dist/SFM/SFM-${VERSION}-Universal.dmg"
-	ghr --replace --draft --prerelease "v${VERSION}" "dist/SFM/SFM-${VERSION}-Apple.dmg"
-	ghr --replace --draft --prerelease "v${VERSION}" "dist/SFM/SFM-${VERSION}-Intel.dmg"
-	ghr --replace --draft --prerelease "v${VERSION}" "dist/SFM/SFM-${VERSION}-Universal.dmg"
-
-upload_macos_pkg:
-	mkdir -p dist/SFM
-	cp ../sing-box-for-apple/build/SFM-Apple.pkg "dist/SFM/SFM-${VERSION}-Apple.pkg"
-	cp ../sing-box-for-apple/build/SFM-Intel.pkg "dist/SFM/SFM-${VERSION}-Intel.pkg"
-	cp ../sing-box-for-apple/build/SFM-Universal.pkg "dist/SFM/SFM-${VERSION}-Universal.pkg"
-	ghr --replace --draft --prerelease "v${VERSION}" "dist/SFM/SFM-${VERSION}-Apple.pkg"
-	ghr --replace --draft --prerelease "v${VERSION}" "dist/SFM/SFM-${VERSION}-Intel.pkg"
-	ghr --replace --draft --prerelease "v${VERSION}" "dist/SFM/SFM-${VERSION}-Universal.pkg"
 
 upload_macos_dsyms:
-	mkdir -p dist/SFM
+	pushd ../sing-box-for-apple/build/SFM.System.xcarchive && \
-	cd ../sing-box-for-apple/build/SFM.System-universal.xcarchive && zip -r SFM.dSYMs.zip dSYMs
+	zip -r SFM.dSYMs.zip dSYMs && \
-	cp ../sing-box-for-apple/build/SFM.System-universal.xcarchive/SFM.dSYMs.zip "dist/SFM/SFM-${VERSION}.dSYMs.zip"
+	mv SFM.dSYMs.zip ../../../sing-box/dist/SFM && \
-	ghr --replace --draft --prerelease "v${VERSION}" "dist/SFM/SFM-${VERSION}.dSYMs.zip"
+	popd && \
+	cd dist/SFM && \
+	cp SFM.dSYMs.zip "SFM-${VERSION}-universal.dSYMs.zip" && \
+	ghr --replace --draft --prerelease "v${VERSION}" "SFM-${VERSION}-universal.dSYMs.zip"
 
-release_macos_standalone: build_macos_pkg notarize_macos_pkg upload_macos_pkg upload_macos_dsyms
+release_macos_standalone: build_macos_standalone build_macos_dmg notarize_macos_dmg upload_macos_dmg upload_macos_dsyms
 
 build_tvos:
 	cd ../sing-box-for-apple && \
 	rm -rf build/SFT.xcarchive && \
-	xcodebuild archive -scheme SFT -configuration Release -archivePath build/SFT.xcarchive -allowProvisioningUpdates | xcbeautify | grep -A 10 -e "Archive Succeeded" -e "ARCHIVE FAILED" -e "❌"
+	xcodebuild archive -scheme SFT -configuration Release -archivePath build/SFT.xcarchive -allowProvisioningUpdates
 
 upload_tvos_app_store:
 	cd ../sing-box-for-apple && \
@@ -209,12 +203,12 @@ update_apple_version:
 update_macos_version:
 	MACOS_PROJECT_VERSION=$(shell go run -v ./cmd/internal/app_store_connect next_macos_project_version) go run ./cmd/internal/update_apple_version
 
-release_apple: lib_apple update_apple_version release_ios release_macos release_tvos release_macos_standalone
+release_apple: lib_ios update_apple_version release_ios release_macos release_tvos release_macos_standalone
 
 release_apple_beta: update_apple_version release_ios release_macos release_tvos
 
 publish_testflight:
-	go run -v ./cmd/internal/app_store_connect publish_testflight $(filter-out $@,$(MAKECMDGOALS))
+	go run -v ./cmd/internal/app_store_connect publish_testflight
 
 prepare_app_store:
 	go run -v ./cmd/internal/app_store_connect prepare_app_store
@@ -237,21 +231,22 @@ test_stdio:
 lib_android:
 	go run ./cmd/internal/build_libbox -target android
 
+lib_android_debug:
+	go run ./cmd/internal/build_libbox -target android -debug
+
 lib_apple:
 	go run ./cmd/internal/build_libbox -target apple
 
-lib_windows:
+lib_ios:
-	$(SING_FFI) generate --config $(LIBBOX_FFI_CONFIG) --platform-type csharp
+	go run ./cmd/internal/build_libbox -target apple -platform ios -debug
 
-lib_android_new:
+lib:
-	$(SING_FFI) generate --config $(LIBBOX_FFI_CONFIG) --platform-type android
+	go run ./cmd/internal/build_libbox -target android
-
+	go run ./cmd/internal/build_libbox -target ios
-lib_apple_new:
-	$(SING_FFI) generate --config $(LIBBOX_FFI_CONFIG) --platform-type apple
 
 lib_install:
-	go install -v github.com/sagernet/gomobile/cmd/gomobile@v0.1.12
+	go install -v github.com/sagernet/gomobile/cmd/gomobile@v0.1.6
-	go install -v github.com/sagernet/gomobile/cmd/gobind@v0.1.12
+	go install -v github.com/sagernet/gomobile/cmd/gobind@v0.1.6
 
 docs:
 	venv/bin/mkdocs serve
@@ -260,8 +255,8 @@ publish_docs:
 	venv/bin/mkdocs gh-deploy -m "Update" --force --ignore-version --no-history
 
 docs_install:
-	python3 -m venv venv
+	python -m venv venv
-	source ./venv/bin/activate && pip install --force-reinstall mkdocs-material=="9.7.2" mkdocs-static-i18n=="1.2.*"
+	source ./venv/bin/activate && pip install --force-reinstall mkdocs-material=="9.*" mkdocs-static-i18n=="1.2.*"
 
 clean:
 	rm -rf bin dist sing-box
@@ -271,6 +266,3 @@ update:
 	git fetch
 	git reset FETCH_HEAD --hard
 	git clean -fdx
-
-%:
-	@:

README.md

@@ -1,11 +1,3 @@
-> Sponsored by [Warp](https://go.warp.dev/sing-box), built for coding with multiple AI agents
-
-<a href="https://go.warp.dev/sing-box">
-<img alt="Warp sponsorship" width="400" src="https://github.com/warpdotdev/brand-assets/raw/refs/heads/main/Github/Sponsor/Warp-Github-LG-02.png">
-</a>
-
----
-
 # sing-box
 
 The universal proxy platform.

adapter/connections.go

@@ -9,10 +9,6 @@ import (
 
 type ConnectionManager interface {
 	Lifecycle
-	Count() int
-	CloseAll()
-	TrackConn(conn net.Conn) net.Conn
-	TrackPacketConn(conn net.PacketConn) net.PacketConn
 	NewConnection(ctx context.Context, this N.Dialer, conn net.Conn, metadata InboundContext, onClose N.CloseHandlerFunc)
 	NewPacketConnection(ctx context.Context, this N.Dialer, conn N.PacketConn, metadata InboundContext, onClose N.CloseHandlerFunc)
 }

adapter/dns.go

@@ -3,6 +3,7 @@ package adapter
 import (
 	"context"
 	"net/netip"
+	"time"
 
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
@@ -27,6 +28,8 @@ type DNSClient interface {
 	Start()
 	Exchange(ctx context.Context, transport DNSTransport, message *dns.Msg, options DNSQueryOptions, responseChecker func(responseAddrs []netip.Addr) bool) (*dns.Msg, error)
 	Lookup(ctx context.Context, transport DNSTransport, domain string, options DNSQueryOptions, responseChecker func(responseAddrs []netip.Addr) bool) ([]netip.Addr, error)
+	LookupCache(domain string, strategy C.DomainStrategy) ([]netip.Addr, bool)
+	ExchangeCache(ctx context.Context, message *dns.Msg) (*dns.Msg, bool)
 	ClearCache()
 }
 
@@ -34,6 +37,7 @@ type DNSQueryOptions struct {
 	Transport      DNSTransport
 	Strategy       C.DomainStrategy
 	LookupStrategy C.DomainStrategy
+	Timeout        time.Duration
 	DisableCache   bool
 	RewriteTTL     *uint32
 	ClientSubnet   netip.Prefix
@@ -51,6 +55,7 @@ func DNSQueryOptionsFrom(ctx context.Context, options *option.DomainResolveOptio
 	return &DNSQueryOptions{
 		Transport:    transport,
 		Strategy:     C.DomainStrategy(options.Strategy),
+		Timeout:      time.Duration(options.Timeout),
 		DisableCache: options.DisableCache,
 		RewriteTTL:   options.RewriteTTL,
 		ClientSubnet: options.ClientSubnet.Build(netip.Prefix{}),
@@ -68,7 +73,7 @@ type DNSTransport interface {
 	Type() string
 	Tag() string
 	Dependencies() []string
-	Reset()
+	HasDetour() bool
 	Exchange(ctx context.Context, message *dns.Msg) (*dns.Msg, error)
 }
 

adapter/endpoint/manager.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"os"
 	"sync"
-	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/taskmonitor"
@@ -12,7 +11,6 @@ import (
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
-	F "github.com/sagernet/sing/common/format"
 )
 
 var _ adapter.EndpointManager = (*Manager)(nil)
@@ -48,14 +46,10 @@ func (m *Manager) Start(stage adapter.StartStage) error {
 		return nil
 	}
 	for _, endpoint := range m.endpoints {
-		name := "endpoint/" + endpoint.Type() + "[" + endpoint.Tag() + "]"
-		m.logger.Trace(stage, " ", name)
-		startTime := time.Now()
 		err := adapter.LegacyStart(endpoint, stage)
 		if err != nil {
-			return E.Cause(err, stage, " ", name)
+			return E.Cause(err, stage, " endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")
 		}
-		m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
@@ -72,15 +66,11 @@ func (m *Manager) Close() error {
 	monitor := taskmonitor.New(m.logger, C.StopTimeout)
 	var err error
 	for _, endpoint := range endpoints {
-		name := "endpoint/" + endpoint.Type() + "[" + endpoint.Tag() + "]"
+		monitor.Start("close endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")
-		m.logger.Trace("close ", name)
-		startTime := time.Now()
-		monitor.Start("close ", name)
 		err = E.Append(err, endpoint.Close(), func(err error) error {
-			return E.Cause(err, "close ", name)
+			return E.Cause(err, "close endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")
 		})
 		monitor.Finish()
-		m.logger.Trace("close ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
@@ -129,15 +119,11 @@ func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.
 	m.access.Lock()
 	defer m.access.Unlock()
 	if m.started {
-		name := "endpoint/" + endpoint.Type() + "[" + endpoint.Tag() + "]"
 		for _, stage := range adapter.ListStartStages {
-			m.logger.Trace(stage, " ", name)
-			startTime := time.Now()
 			err = adapter.LegacyStart(endpoint, stage)
 			if err != nil {
-				return E.Cause(err, stage, " ", name)
+				return E.Cause(err, stage, " endpoint/", endpoint.Type(), "[", endpoint.Tag(), "]")
 			}
-			m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 		}
 	}
 	if existsEndpoint, loaded := m.endpointByTag[tag]; loaded {

adapter/experimental.go

@@ -4,10 +4,8 @@ import (
 	"bytes"
 	"context"
 	"encoding/binary"
-	"io"
 	"time"
 
-	"github.com/sagernet/sing/common/observable"
 	"github.com/sagernet/sing/common/varbin"
 )
 
@@ -16,7 +14,6 @@ type ClashServer interface {
 	ConnectionTracker
 	Mode() string
 	ModeList() []string
-	SetModeUpdateHook(hook *observable.Subscriber[struct{}])
 	HistoryStorage() URLTestHistoryStorage
 }
 
@@ -26,7 +23,7 @@ type URLTestHistory struct {
 }
 
 type URLTestHistoryStorage interface {
-	SetHook(hook *observable.Subscriber[struct{}])
+	SetHook(hook chan<- struct{})
 	LoadURLTestHistory(tag string) *URLTestHistory
 	DeleteURLTestHistory(tag string)
 	StoreURLTestHistory(tag string, history *URLTestHistory)
@@ -69,11 +66,7 @@ func (s *SavedBinary) MarshalBinary() ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	_, err = varbin.WriteUvarint(&buffer, uint64(len(s.Content)))
+	err = varbin.Write(&buffer, binary.BigEndian, s.Content)
-	if err != nil {
-		return nil, err
-	}
-	_, err = buffer.Write(s.Content)
 	if err != nil {
 		return nil, err
 	}
@@ -81,11 +74,7 @@ func (s *SavedBinary) MarshalBinary() ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	_, err = varbin.WriteUvarint(&buffer, uint64(len(s.LastEtag)))
+	err = varbin.Write(&buffer, binary.BigEndian, s.LastEtag)
-	if err != nil {
-		return nil, err
-	}
-	_, err = buffer.WriteString(s.LastEtag)
 	if err != nil {
 		return nil, err
 	}
@@ -99,12 +88,7 @@ func (s *SavedBinary) UnmarshalBinary(data []byte) error {
 	if err != nil {
 		return err
 	}
-	contentLength, err := binary.ReadUvarint(reader)
+	err = varbin.Read(reader, binary.BigEndian, &s.Content)
-	if err != nil {
-		return err
-	}
-	s.Content = make([]byte, contentLength)
-	_, err = io.ReadFull(reader, s.Content)
 	if err != nil {
 		return err
 	}
@@ -114,16 +98,10 @@ func (s *SavedBinary) UnmarshalBinary(data []byte) error {
 		return err
 	}
 	s.LastUpdated = time.Unix(lastUpdated, 0)
-	etagLength, err := binary.ReadUvarint(reader)
+	err = varbin.Read(reader, binary.BigEndian, &s.LastEtag)
 	if err != nil {
 		return err
 	}
-	etagBytes := make([]byte, etagLength)
-	_, err = io.ReadFull(reader, etagBytes)
-	if err != nil {
-		return err
-	}
-	s.LastEtag = string(etagBytes)
 	return nil
 }
 

adapter/inbound.go

@@ -5,6 +5,7 @@ import (
 	"net/netip"
 	"time"
 
+	"github.com/sagernet/sing-box/common/process"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
@@ -56,16 +57,18 @@ type InboundContext struct {
 	Domain       string
 	Client       string
 	SniffContext any
-	SnifferNames []string
 	SniffError   error
 
 	// cache
 
 	// Deprecated: implement in rule action
-	InboundDetour             string
+	InboundDetour            string
-	LastInbound               string
+	LastInbound              string
-	OriginDestination         M.Socksaddr
+	OriginDestination        M.Socksaddr
-	RouteOriginalDestination  M.Socksaddr
+	RouteOriginalDestination M.Socksaddr
+	// Deprecated: to be removed
+	//nolint:staticcheck
+	InboundOptions            option.InboundOptions
 	UDPDisableDomainUnmapping bool
 	UDPConnect                bool
 	UDPTimeout                time.Duration
@@ -81,7 +84,7 @@ type InboundContext struct {
 	DestinationAddresses []netip.Addr
 	SourceGeoIPCode      string
 	GeoIPCode            string
-	ProcessInfo          *ConnectionOwner
+	ProcessInfo          *process.Info
 	QueryType            uint16
 	FakeIP               bool
 
@@ -101,10 +104,6 @@ type InboundContext struct {
 func (c *InboundContext) ResetRuleCache() {
 	c.IPCIDRMatchSource = false
 	c.IPCIDRAcceptEmpty = false
-	c.ResetRuleMatchCache()
-}
-
-func (c *InboundContext) ResetRuleMatchCache() {
 	c.SourceAddressMatch = false
 	c.SourcePortMatch = false
 	c.DestinationAddressMatch = false
@@ -136,7 +135,8 @@ func ExtendContext(ctx context.Context) (context.Context, *InboundContext) {
 
 func OverrideContext(ctx context.Context) context.Context {
 	if metadata := ContextFrom(ctx); metadata != nil {
-		newMetadata := *metadata
+		var newMetadata InboundContext
+		newMetadata = *metadata
 		return WithContext(ctx, &newMetadata)
 	}
 	return ctx

adapter/inbound/manager.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"os"
 	"sync"
-	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/taskmonitor"
@@ -12,7 +11,6 @@ import (
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
-	F "github.com/sagernet/sing/common/format"
 )
 
 var _ adapter.InboundManager = (*Manager)(nil)
@@ -47,14 +45,10 @@ func (m *Manager) Start(stage adapter.StartStage) error {
 	inbounds := m.inbounds
 	m.access.Unlock()
 	for _, inbound := range inbounds {
-		name := "inbound/" + inbound.Type() + "[" + inbound.Tag() + "]"
-		m.logger.Trace(stage, " ", name)
-		startTime := time.Now()
 		err := adapter.LegacyStart(inbound, stage)
 		if err != nil {
-			return E.Cause(err, stage, " ", name)
+			return E.Cause(err, stage, " inbound/", inbound.Type(), "[", inbound.Tag(), "]")
 		}
-		m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
@@ -71,15 +65,11 @@ func (m *Manager) Close() error {
 	monitor := taskmonitor.New(m.logger, C.StopTimeout)
 	var err error
 	for _, inbound := range inbounds {
-		name := "inbound/" + inbound.Type() + "[" + inbound.Tag() + "]"
+		monitor.Start("close inbound/", inbound.Type(), "[", inbound.Tag(), "]")
-		m.logger.Trace("close ", name)
-		startTime := time.Now()
-		monitor.Start("close ", name)
 		err = E.Append(err, inbound.Close(), func(err error) error {
-			return E.Cause(err, "close ", name)
+			return E.Cause(err, "close inbound/", inbound.Type(), "[", inbound.Tag(), "]")
 		})
 		monitor.Finish()
-		m.logger.Trace("close ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
@@ -131,15 +121,11 @@ func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.
 	m.access.Lock()
 	defer m.access.Unlock()
 	if m.started {
-		name := "inbound/" + inbound.Type() + "[" + inbound.Tag() + "]"
 		for _, stage := range adapter.ListStartStages {
-			m.logger.Trace(stage, " ", name)
-			startTime := time.Now()
 			err = adapter.LegacyStart(inbound, stage)
 			if err != nil {
-				return E.Cause(err, stage, " ", name)
+				return E.Cause(err, stage, " inbound/", inbound.Type(), "[", inbound.Tag(), "]")
 			}
-			m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 		}
 	}
 	if existsInbound, loaded := m.inboundByTag[tag]; loaded {

adapter/lifecycle.go

@@ -1,14 +1,6 @@
 package adapter
 
-import (
+import E "github.com/sagernet/sing/common/exceptions"
-	"reflect"
-	"strings"
-	"time"
-
-	"github.com/sagernet/sing-box/log"
-	E "github.com/sagernet/sing/common/exceptions"
-	F "github.com/sagernet/sing/common/format"
-)
 
 type SimpleLifecycle interface {
 	Start() error
@@ -56,47 +48,22 @@ type LifecycleService interface {
 	Lifecycle
 }
 
-func getServiceName(service any) string {
+func Start(stage StartStage, services ...Lifecycle) error {
-	if named, ok := service.(interface {
-		Type() string
-		Tag() string
-	}); ok {
-		tag := named.Tag()
-		if tag != "" {
-			return named.Type() + "[" + tag + "]"
-		}
-		return named.Type()
-	}
-	t := reflect.TypeOf(service)
-	if t.Kind() == reflect.Ptr {
-		t = t.Elem()
-	}
-	return strings.ToLower(t.Name())
-}
-
-func Start(logger log.ContextLogger, stage StartStage, services ...Lifecycle) error {
 	for _, service := range services {
-		name := getServiceName(service)
-		logger.Trace(stage, " ", name)
-		startTime := time.Now()
 		err := service.Start(stage)
 		if err != nil {
 			return err
 		}
-		logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
 
-func StartNamed(logger log.ContextLogger, stage StartStage, services []LifecycleService) error {
+func StartNamed(stage StartStage, services []LifecycleService) error {
 	for _, service := range services {
-		logger.Trace(stage, " ", service.Name())
-		startTime := time.Now()
 		err := service.Start(stage)
 		if err != nil {
 			return E.Cause(err, stage.String(), " ", service.Name())
 		}
-		logger.Trace(stage, " ", service.Name(), " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }

adapter/network.go

@@ -10,7 +10,6 @@ import (
 
 type NetworkManager interface {
 	Lifecycle
-	Initialize(ruleSets []RuleSet)
 	InterfaceFinder() control.InterfaceFinder
 	UpdateInterfaces() error
 	DefaultNetworkInterface() *NetworkInterface
@@ -21,14 +20,12 @@ type NetworkManager interface {
 	DefaultOptions() NetworkOptions
 	RegisterAutoRedirectOutputMark(mark uint32) error
 	AutoRedirectOutputMark() uint32
-	AutoRedirectOutputMarkFunc() control.Func
 	NetworkMonitor() tun.NetworkUpdateMonitor
 	InterfaceMonitor() tun.DefaultInterfaceMonitor
 	PackageManager() tun.PackageManager
-	NeedWIFIState() bool
 	WIFIState() WIFIState
-	UpdateWIFIState()
 	ResetNetwork()
+	UpdateWIFIState()
 }
 
 type NetworkOptions struct {

adapter/outbound.go

@@ -2,12 +2,9 @@ package adapter
 
 import (
 	"context"
-	"net/netip"
-	"time"
 
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-tun"
 	N "github.com/sagernet/sing/common/network"
 )
 
@@ -21,17 +18,6 @@ type Outbound interface {
 	N.Dialer
 }
 
-type OutboundWithPreferredRoutes interface {
-	Outbound
-	PreferredDomain(domain string) bool
-	PreferredAddress(address netip.Addr) bool
-}
-
-type DirectRouteOutbound interface {
-	Outbound
-	NewDirectRouteConnection(metadata InboundContext, routeContext tun.DirectRouteContext, timeout time.Duration) (tun.DirectRouteDestination, error)
-}
-
 type OutboundRegistry interface {
 	option.OutboundOptionsRegistry
 	CreateOutbound(ctx context.Context, router Router, logger log.ContextLogger, tag string, outboundType string, options any) (Outbound, error)

adapter/outbound/manager.go

@@ -6,7 +6,6 @@ import (
 	"os"
 	"strings"
 	"sync"
-	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/taskmonitor"
@@ -14,7 +13,6 @@ import (
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
-	F "github.com/sagernet/sing/common/format"
 	"github.com/sagernet/sing/common/logger"
 )
 
@@ -32,7 +30,7 @@ type Manager struct {
 	outboundByTag           map[string]adapter.Outbound
 	dependByTag             map[string][]string
 	defaultOutbound         adapter.Outbound
-	defaultOutboundFallback func() (adapter.Outbound, error)
+	defaultOutboundFallback adapter.Outbound
 }
 
 func NewManager(logger logger.ContextLogger, registry adapter.OutboundRegistry, endpoint adapter.EndpointManager, defaultTag string) *Manager {
@@ -46,7 +44,7 @@ func NewManager(logger logger.ContextLogger, registry adapter.OutboundRegistry,
 	}
 }
 
-func (m *Manager) Initialize(defaultOutboundFallback func() (adapter.Outbound, error)) {
+func (m *Manager) Initialize(defaultOutboundFallback adapter.Outbound) {
 	m.defaultOutboundFallback = defaultOutboundFallback
 }
 
@@ -57,40 +55,23 @@ func (m *Manager) Start(stage adapter.StartStage) error {
 	}
 	m.started = true
 	m.stage = stage
+	outbounds := m.outbounds
+	m.access.Unlock()
 	if stage == adapter.StartStateStart {
 		if m.defaultTag != "" && m.defaultOutbound == nil {
 			defaultEndpoint, loaded := m.endpoint.Get(m.defaultTag)
 			if !loaded {
-				m.access.Unlock()
 				return E.New("default outbound not found: ", m.defaultTag)
 			}
 			m.defaultOutbound = defaultEndpoint
 		}
-		if m.defaultOutbound == nil {
-			directOutbound, err := m.defaultOutboundFallback()
-			if err != nil {
-				m.access.Unlock()
-				return E.Cause(err, "create direct outbound for fallback")
-			}
-			m.outbounds = append(m.outbounds, directOutbound)
-			m.outboundByTag[directOutbound.Tag()] = directOutbound
-			m.defaultOutbound = directOutbound
-		}
-		outbounds := m.outbounds
-		m.access.Unlock()
 		return m.startOutbounds(append(outbounds, common.Map(m.endpoint.Endpoints(), func(it adapter.Endpoint) adapter.Outbound { return it })...))
 	} else {
-		outbounds := m.outbounds
-		m.access.Unlock()
 		for _, outbound := range outbounds {
-			name := "outbound/" + outbound.Type() + "[" + outbound.Tag() + "]"
-			m.logger.Trace(stage, " ", name)
-			startTime := time.Now()
 			err := adapter.LegacyStart(outbound, stage)
 			if err != nil {
-				return E.Cause(err, stage, " ", name)
+				return E.Cause(err, stage, " outbound/", outbound.Type(), "[", outbound.Tag(), "]")
 			}
-			m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 		}
 	}
 	return nil
@@ -115,29 +96,22 @@ func (m *Manager) startOutbounds(outbounds []adapter.Outbound) error {
 			}
 			started[outboundTag] = true
 			canContinue = true
-			name := "outbound/" + outboundToStart.Type() + "[" + outboundTag + "]"
 			if starter, isStarter := outboundToStart.(adapter.Lifecycle); isStarter {
-				m.logger.Trace("start ", name)
+				monitor.Start("start outbound/", outboundToStart.Type(), "[", outboundTag, "]")
-				startTime := time.Now()
-				monitor.Start("start ", name)
 				err := starter.Start(adapter.StartStateStart)
 				monitor.Finish()
 				if err != nil {
-					return E.Cause(err, "start ", name)
+					return E.Cause(err, "start outbound/", outboundToStart.Type(), "[", outboundTag, "]")
 				}
-				m.logger.Trace("start ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 			} else if starter, isStarter := outboundToStart.(interface {
 				Start() error
 			}); isStarter {
-				m.logger.Trace("start ", name)
+				monitor.Start("start outbound/", outboundToStart.Type(), "[", outboundTag, "]")
-				startTime := time.Now()
-				monitor.Start("start ", name)
 				err := starter.Start()
 				monitor.Finish()
 				if err != nil {
-					return E.Cause(err, "start ", name)
+					return E.Cause(err, "start outbound/", outboundToStart.Type(), "[", outboundTag, "]")
 				}
-				m.logger.Trace("start ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 			}
 		}
 		if len(started) == len(outbounds) {
@@ -184,15 +158,11 @@ func (m *Manager) Close() error {
 	var err error
 	for _, outbound := range outbounds {
 		if closer, isCloser := outbound.(io.Closer); isCloser {
-			name := "outbound/" + outbound.Type() + "[" + outbound.Tag() + "]"
+			monitor.Start("close outbound/", outbound.Type(), "[", outbound.Tag(), "]")
-			m.logger.Trace("close ", name)
-			startTime := time.Now()
-			monitor.Start("close ", name)
 			err = E.Append(err, closer.Close(), func(err error) error {
-				return E.Cause(err, "close ", name)
+				return E.Cause(err, "close outbound/", outbound.Type(), "[", outbound.Tag(), "]")
 			})
 			monitor.Finish()
-			m.logger.Trace("close ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 		}
 	}
 	return nil
@@ -217,7 +187,11 @@ func (m *Manager) Outbound(tag string) (adapter.Outbound, bool) {
 func (m *Manager) Default() adapter.Outbound {
 	m.access.RLock()
 	defer m.access.RUnlock()
-	return m.defaultOutbound
+	if m.defaultOutbound != nil {
+		return m.defaultOutbound
+	} else {
+		return m.defaultOutboundFallback
+	}
 }
 
 func (m *Manager) Remove(tag string) error {
@@ -273,15 +247,11 @@ func (m *Manager) Create(ctx context.Context, router adapter.Router, logger log.
 		return err
 	}
 	if m.started {
-		name := "outbound/" + outbound.Type() + "[" + outbound.Tag() + "]"
 		for _, stage := range adapter.ListStartStages {
-			m.logger.Trace(stage, " ", name)
-			startTime := time.Now()
 			err = adapter.LegacyStart(outbound, stage)
 			if err != nil {
-				return E.Cause(err, stage, " ", name)
+				return E.Cause(err, stage, " outbound/", outbound.Type(), "[", outbound.Tag(), "]")
 			}
-			m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 		}
 	}
 	m.access.Lock()

adapter/platform.go

@@ -1,70 +0,0 @@
-package adapter
-
-import (
-	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-tun"
-	"github.com/sagernet/sing/common/logger"
-)
-
-type PlatformInterface interface {
-	Initialize(networkManager NetworkManager) error
-
-	UsePlatformAutoDetectInterfaceControl() bool
-	AutoDetectInterfaceControl(fd int) error
-
-	UsePlatformInterface() bool
-	OpenInterface(options *tun.Options, platformOptions option.TunPlatformOptions) (tun.Tun, error)
-
-	UsePlatformDefaultInterfaceMonitor() bool
-	CreateDefaultInterfaceMonitor(logger logger.Logger) tun.DefaultInterfaceMonitor
-
-	UsePlatformNetworkInterfaces() bool
-	NetworkInterfaces() ([]NetworkInterface, error)
-
-	UnderNetworkExtension() bool
-	NetworkExtensionIncludeAllNetworks() bool
-
-	ClearDNSCache()
-	RequestPermissionForWIFIState() error
-	ReadWIFIState() WIFIState
-	SystemCertificates() []string
-
-	UsePlatformConnectionOwnerFinder() bool
-	FindConnectionOwner(request *FindConnectionOwnerRequest) (*ConnectionOwner, error)
-
-	UsePlatformWIFIMonitor() bool
-
-	UsePlatformNotification() bool
-	SendNotification(notification *Notification) error
-}
-
-type FindConnectionOwnerRequest struct {
-	IpProtocol         int32
-	SourceAddress      string
-	SourcePort         int32
-	DestinationAddress string
-	DestinationPort    int32
-}
-
-type ConnectionOwner struct {
-	ProcessID           uint32
-	UserId              int32
-	UserName            string
-	ProcessPath         string
-	AndroidPackageNames []string
-}
-
-type Notification struct {
-	Identifier string
-	TypeName   string
-	TypeID     int32
-	Title      string
-	Subtitle   string
-	Body       string
-	OpenURL    string
-}
-
-type SystemProxyStatus struct {
-	Available bool
-	Enabled   bool
-}

adapter/router.go

@@ -6,10 +6,8 @@ import (
 	"net"
 	"net/http"
 	"sync"
-	"time"
 
 	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-tun"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/common/ntp"
@@ -21,11 +19,11 @@ import (
 type Router interface {
 	Lifecycle
 	ConnectionRouter
-	PreMatch(metadata InboundContext, context tun.DirectRouteContext, timeout time.Duration, supportBypass bool) (tun.DirectRouteDestination, error)
+	PreMatch(metadata InboundContext) error
 	ConnectionRouterEx
 	RuleSet(tag string) (RuleSet, bool)
+	NeedWIFIState() bool
 	Rules() []Rule
-	NeedFindProcess() bool
 	AppendTracker(tracker ConnectionTracker)
 	ResetNetwork()
 }

adapter/service/manager.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"os"
 	"sync"
-	"time"
 
 	"github.com/sagernet/sing-box/adapter"
 	"github.com/sagernet/sing-box/common/taskmonitor"
@@ -12,7 +11,6 @@ import (
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing/common"
 	E "github.com/sagernet/sing/common/exceptions"
-	F "github.com/sagernet/sing/common/format"
 )
 
 var _ adapter.ServiceManager = (*Manager)(nil)
@@ -45,14 +43,10 @@ func (m *Manager) Start(stage adapter.StartStage) error {
 	services := m.services
 	m.access.Unlock()
 	for _, service := range services {
-		name := "service/" + service.Type() + "[" + service.Tag() + "]"
-		m.logger.Trace(stage, " ", name)
-		startTime := time.Now()
 		err := adapter.LegacyStart(service, stage)
 		if err != nil {
-			return E.Cause(err, stage, " ", name)
+			return E.Cause(err, stage, " service/", service.Type(), "[", service.Tag(), "]")
 		}
-		m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
@@ -69,15 +63,11 @@ func (m *Manager) Close() error {
 	monitor := taskmonitor.New(m.logger, C.StopTimeout)
 	var err error
 	for _, service := range services {
-		name := "service/" + service.Type() + "[" + service.Tag() + "]"
+		monitor.Start("close service/", service.Type(), "[", service.Tag(), "]")
-		m.logger.Trace("close ", name)
-		startTime := time.Now()
-		monitor.Start("close ", name)
 		err = E.Append(err, service.Close(), func(err error) error {
-			return E.Cause(err, "close ", name)
+			return E.Cause(err, "close service/", service.Type(), "[", service.Tag(), "]")
 		})
 		monitor.Finish()
-		m.logger.Trace("close ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
 	return nil
 }
@@ -126,15 +116,11 @@ func (m *Manager) Create(ctx context.Context, logger log.ContextLogger, tag stri
 	m.access.Lock()
 	defer m.access.Unlock()
 	if m.started {
-		name := "service/" + service.Type() + "[" + service.Tag() + "]"
 		for _, stage := range adapter.ListStartStages {
-			m.logger.Trace(stage, " ", name)
-			startTime := time.Now()
 			err = adapter.LegacyStart(service, stage)
 			if err != nil {
-				return E.Cause(err, stage, " ", name)
+				return E.Cause(err, stage, " service/", service.Type(), "[", service.Tag(), "]")
 			}
-			m.logger.Trace(stage, " ", name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 		}
 	}
 	if existsService, loaded := m.serviceByTag[tag]; loaded {

adapter/upstream.go

@@ -73,7 +73,7 @@ func NewUpstreamContextHandlerEx(
 }
 
 func (w *myUpstreamContextHandlerWrapperEx) NewConnectionEx(ctx context.Context, conn net.Conn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
-	_, myMetadata := ExtendContext(ctx)
+	myMetadata := ContextFrom(ctx)
 	if source.IsValid() {
 		myMetadata.Source = source
 	}
@@ -84,7 +84,7 @@ func (w *myUpstreamContextHandlerWrapperEx) NewConnectionEx(ctx context.Context,
 }
 
 func (w *myUpstreamContextHandlerWrapperEx) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
-	_, myMetadata := ExtendContext(ctx)
+	myMetadata := ContextFrom(ctx)
 	if source.IsValid() {
 		myMetadata.Source = source
 	}
@@ -146,7 +146,7 @@ type routeContextHandlerWrapperEx struct {
 }
 
 func (r *routeContextHandlerWrapperEx) NewConnectionEx(ctx context.Context, conn net.Conn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
-	_, metadata := ExtendContext(ctx)
+	metadata := ContextFrom(ctx)
 	if source.IsValid() {
 		metadata.Source = source
 	}
@@ -157,7 +157,7 @@ func (r *routeContextHandlerWrapperEx) NewConnectionEx(ctx context.Context, conn
 }
 
 func (r *routeContextHandlerWrapperEx) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
-	_, metadata := ExtendContext(ctx)
+	metadata := ContextFrom(ctx)
 	if source.IsValid() {
 		metadata.Source = source
 	}

adapter/upstream_legacy.go

@@ -78,8 +78,8 @@ func (w *myUpstreamHandlerWrapper) NewError(ctx context.Context, err error) {
 // Deprecated: removed
 func UpstreamMetadata(metadata InboundContext) M.Metadata {
 	return M.Metadata{
-		Source:      metadata.Source.Unwrap(),
+		Source:      metadata.Source,
-		Destination: metadata.Destination.Unwrap(),
+		Destination: metadata.Destination,
 	}
 }
 

box.go

@@ -22,6 +22,7 @@ import (
 	"github.com/sagernet/sing-box/dns/transport/local"
 	"github.com/sagernet/sing-box/experimental"
 	"github.com/sagernet/sing-box/experimental/cachefile"
+	"github.com/sagernet/sing-box/experimental/libbox/platform"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing-box/protocol/direct"
@@ -125,10 +126,7 @@ func New(options Options) (*Box, error) {
 
 	ctx = pause.WithDefaultManager(ctx)
 	experimentalOptions := common.PtrValueOrDefault(options.Experimental)
-	err := applyDebugOptions(common.PtrValueOrDefault(experimentalOptions.Debug))
+	applyDebugOptions(common.PtrValueOrDefault(experimentalOptions.Debug))
-	if err != nil {
-		return nil, err
-	}
 	var needCacheFile bool
 	var needClashAPI bool
 	var needV2RayAPI bool
@@ -141,7 +139,7 @@ func New(options Options) (*Box, error) {
 	if experimentalOptions.V2RayAPI != nil && experimentalOptions.V2RayAPI.Listen != "" {
 		needV2RayAPI = true
 	}
-	platformInterface := service.FromContext[adapter.PlatformInterface](ctx)
+	platformInterface := service.FromContext[platform.Interface](ctx)
 	var defaultLogWriter io.Writer
 	if platformInterface != nil {
 		defaultLogWriter = io.Discard
@@ -186,7 +184,7 @@ func New(options Options) (*Box, error) {
 	service.MustRegister[adapter.ServiceManager](ctx, serviceManager)
 	dnsRouter := dns.NewRouter(ctx, logFactory, dnsOptions)
 	service.MustRegister[adapter.DNSRouter](ctx, dnsRouter)
-	networkManager, err := route.NewNetworkManager(ctx, logFactory.NewLogger("network"), routeOptions, dnsOptions)
+	networkManager, err := route.NewNetworkManager(ctx, logFactory.NewLogger("network"), routeOptions)
 	if err != nil {
 		return nil, E.Cause(err, "initialize network manager")
 	}
@@ -316,23 +314,22 @@ func New(options Options) (*Box, error) {
 			return nil, E.Cause(err, "initialize service[", i, "]")
 		}
 	}
-	outboundManager.Initialize(func() (adapter.Outbound, error) {
+	outboundManager.Initialize(common.Must1(
-		return direct.NewOutbound(
+		direct.NewOutbound(
 			ctx,
 			router,
 			logFactory.NewLogger("outbound/direct"),
 			"direct",
 			option.DirectOutboundOptions{},
-		)
+		),
-	})
+	))
-	dnsTransportManager.Initialize(func() (adapter.DNSTransport, error) {
+	dnsTransportManager.Initialize(common.Must1(
-		return local.NewTransport(
+		local.NewTransport(
 			ctx,
 			logFactory.NewLogger("dns/local"),
 			"local",
 			option.LocalDNSServerOptions{},
-		)
+		)))
-	})
 	if platformInterface != nil {
 		err = platformInterface.Initialize(networkManager)
 		if err != nil {
@@ -446,15 +443,15 @@ func (s *Box) preStart() error {
 	if err != nil {
 		return E.Cause(err, "start logger")
 	}
-	err = adapter.StartNamed(s.logger, adapter.StartStateInitialize, s.internalService) // cache-file clash-api v2ray-api
+	err = adapter.StartNamed(adapter.StartStateInitialize, s.internalService) // cache-file clash-api v2ray-api
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(s.logger, adapter.StartStateInitialize, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.outbound, s.inbound, s.endpoint, s.service)
+	err = adapter.Start(adapter.StartStateInitialize, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.outbound, s.inbound, s.endpoint, s.service)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(s.logger, adapter.StartStateStart, s.outbound, s.dnsTransport, s.dnsRouter, s.network, s.connection, s.router)
+	err = adapter.Start(adapter.StartStateStart, s.outbound, s.dnsTransport, s.dnsRouter, s.network, s.connection, s.router)
 	if err != nil {
 		return err
 	}
@@ -466,27 +463,27 @@ func (s *Box) start() error {
 	if err != nil {
 		return err
 	}
-	err = adapter.StartNamed(s.logger, adapter.StartStateStart, s.internalService)
+	err = adapter.StartNamed(adapter.StartStateStart, s.internalService)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(s.logger, adapter.StartStateStart, s.inbound, s.endpoint, s.service)
+	err = adapter.Start(adapter.StartStateStart, s.inbound, s.endpoint, s.service)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(s.logger, adapter.StartStatePostStart, s.outbound, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.inbound, s.endpoint, s.service)
+	err = adapter.Start(adapter.StartStatePostStart, s.outbound, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.inbound, s.endpoint, s.service)
 	if err != nil {
 		return err
 	}
-	err = adapter.StartNamed(s.logger, adapter.StartStatePostStart, s.internalService)
+	err = adapter.StartNamed(adapter.StartStatePostStart, s.internalService)
 	if err != nil {
 		return err
 	}
-	err = adapter.Start(s.logger, adapter.StartStateStarted, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.outbound, s.inbound, s.endpoint, s.service)
+	err = adapter.Start(adapter.StartStateStarted, s.network, s.dnsTransport, s.dnsRouter, s.connection, s.router, s.outbound, s.inbound, s.endpoint, s.service)
 	if err != nil {
 		return err
 	}
-	err = adapter.StartNamed(s.logger, adapter.StartStateStarted, s.internalService)
+	err = adapter.StartNamed(adapter.StartStateStarted, s.internalService)
 	if err != nil {
 		return err
 	}
@@ -500,42 +497,17 @@ func (s *Box) Close() error {
 	default:
 		close(s.done)
 	}
-	var err error
+	err := common.Close(
-	for _, closeItem := range []struct {
+		s.service, s.endpoint, s.inbound, s.outbound, s.router, s.connection, s.dnsRouter, s.dnsTransport, s.network,
-		name    string
+	)
-		service adapter.Lifecycle
-	}{
-		{"service", s.service},
-		{"endpoint", s.endpoint},
-		{"inbound", s.inbound},
-		{"outbound", s.outbound},
-		{"router", s.router},
-		{"connection", s.connection},
-		{"dns-router", s.dnsRouter},
-		{"dns-transport", s.dnsTransport},
-		{"network", s.network},
-	} {
-		s.logger.Trace("close ", closeItem.name)
-		startTime := time.Now()
-		err = E.Append(err, closeItem.service.Close(), func(err error) error {
-			return E.Cause(err, "close ", closeItem.name)
-		})
-		s.logger.Trace("close ", closeItem.name, " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
-	}
 	for _, lifecycleService := range s.internalService {
-		s.logger.Trace("close ", lifecycleService.Name())
-		startTime := time.Now()
 		err = E.Append(err, lifecycleService.Close(), func(err error) error {
 			return E.Cause(err, "close ", lifecycleService.Name())
 		})
-		s.logger.Trace("close ", lifecycleService.Name(), " completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	}
-	s.logger.Trace("close logger")
-	startTime := time.Now()
 	err = E.Append(err, s.logFactory.Close(), func(err error) error {
 		return E.Cause(err, "close logger")
 	})
-	s.logger.Trace("close logger completed (", F.Seconds(time.Since(startTime).Seconds()), "s)")
 	return err
 }
 
@@ -554,7 +526,3 @@ func (s *Box) Inbound() adapter.InboundManager {
 func (s *Box) Outbound() adapter.OutboundManager {
 	return s.outbound
 }
-
-func (s *Box) LogFactory() log.Factory {
-	return s.logFactory
-}

cmd/internal/app_store_connect/main.go

@@ -100,32 +100,11 @@ findVersion:
 }
 
 func publishTestflight(ctx context.Context) error {
-	if len(os.Args) < 3 {
-		return E.New("platform required: ios, macos, or tvos")
-	}
-	var platform asc.Platform
-	switch os.Args[2] {
-	case "ios":
-		platform = asc.PlatformIOS
-	case "macos":
-		platform = asc.PlatformMACOS
-	case "tvos":
-		platform = asc.PlatformTVOS
-	default:
-		return E.New("unknown platform: ", os.Args[2])
-	}
-
 	tagVersion, err := build_shared.ReadTagVersion()
 	if err != nil {
 		return err
 	}
 	tag := tagVersion.VersionString()
-
-	releaseNotes := F.ToString("sing-box ", tagVersion.String())
-	if len(os.Args) >= 4 {
-		releaseNotes = strings.Join(os.Args[3:], " ")
-	}
-
 	client := createClient(20 * time.Minute)
 
 	log.Info(tag, " list build IDs")
@@ -136,76 +115,95 @@ func publishTestflight(ctx context.Context) error {
 	buildIDs := common.Map(buildIDsResponse.Data, func(it asc.RelationshipData) string {
 		return it.ID
 	})
-
+	var platforms []asc.Platform
-	waitingForProcess := false
+	if len(os.Args) == 3 {
-	log.Info(string(platform), " list builds")
+		switch os.Args[2] {
-	for {
+		case "ios":
-		builds, _, err := client.Builds.ListBuilds(ctx, &asc.ListBuildsQuery{
+			platforms = []asc.Platform{asc.PlatformIOS}
-			FilterApp:                       []string{appID},
+		case "macos":
-			FilterPreReleaseVersionPlatform: []string{string(platform)},
+			platforms = []asc.Platform{asc.PlatformMACOS}
-		})
+		case "tvos":
-		if err != nil {
+			platforms = []asc.Platform{asc.PlatformTVOS}
-			return err
+		default:
+			return E.New("unknown platform: ", os.Args[2])
 		}
-		build := builds.Data[0]
+	} else {
-		log.Info(string(platform), " ", tag, " found build: ", build.ID, " (", *build.Attributes.Version, ")")
+		platforms = []asc.Platform{
-		if !waitingForProcess && (common.Contains(buildIDs, build.ID) || time.Since(build.Attributes.UploadedDate.Time) > 30*time.Minute) {
+			asc.PlatformIOS,
-			log.Info(string(platform), " ", tag, " waiting for process")
+			asc.PlatformMACOS,
-			time.Sleep(15 * time.Second)
+			asc.PlatformTVOS,
-			continue
 		}
-		if *build.Attributes.ProcessingState != "VALID" {
+	}
-			waitingForProcess = true
+	for _, platform := range platforms {
-			log.Info(string(platform), " ", tag, " waiting for process: ", *build.Attributes.ProcessingState)
+		log.Info(string(platform), " list builds")
-			time.Sleep(15 * time.Second)
+		for {
-			continue
+			builds, _, err := client.Builds.ListBuilds(ctx, &asc.ListBuildsQuery{
-		}
+				FilterApp:                       []string{appID},
-		log.Info(string(platform), " ", tag, " list localizations")
+				FilterPreReleaseVersionPlatform: []string{string(platform)},
-		localizations, _, err := client.TestFlight.ListBetaBuildLocalizationsForBuild(ctx, build.ID, nil)
+			})
-		if err != nil {
-			return err
-		}
-		localization := common.Find(localizations.Data, func(it asc.BetaBuildLocalization) bool {
-			return *it.Attributes.Locale == "en-US"
-		})
-		if localization.ID == "" {
-			log.Fatal(string(platform), " ", tag, " no en-US localization found")
-		}
-		if localization.Attributes == nil || localization.Attributes.WhatsNew == nil || *localization.Attributes.WhatsNew == "" {
-			log.Info(string(platform), " ", tag, " update localization")
-			_, _, err = client.TestFlight.UpdateBetaBuildLocalization(ctx, localization.ID, common.Ptr(releaseNotes))
 			if err != nil {
 				return err
 			}
-		}
+			build := builds.Data[0]
-		log.Info(string(platform), " ", tag, " publish")
+			if common.Contains(buildIDs, build.ID) || time.Since(build.Attributes.UploadedDate.Time) > 30*time.Minute {
-		response, err := client.TestFlight.AddBuildsToBetaGroup(ctx, groupID, []string{build.ID})
+				log.Info(string(platform), " ", tag, " waiting for process")
-		if response != nil && (response.StatusCode == http.StatusUnprocessableEntity || response.StatusCode == http.StatusNotFound) {
+				time.Sleep(15 * time.Second)
-			log.Info("waiting for process")
+				continue
-			time.Sleep(15 * time.Second)
+			}
-			continue
+			if *build.Attributes.ProcessingState != "VALID" {
-		} else if err != nil {
+				log.Info(string(platform), " ", tag, " waiting for process: ", *build.Attributes.ProcessingState)
-			return err
+				time.Sleep(15 * time.Second)
-		}
+				continue
-		log.Info(string(platform), " ", tag, " list submissions")
+			}
-		betaSubmissions, _, err := client.TestFlight.ListBetaAppReviewSubmissions(ctx, &asc.ListBetaAppReviewSubmissionsQuery{
+			log.Info(string(platform), " ", tag, " list localizations")
-			FilterBuild: []string{build.ID},
+			localizations, _, err := client.TestFlight.ListBetaBuildLocalizationsForBuild(ctx, build.ID, nil)
-		})
-		if err != nil {
-			return err
-		}
-		if len(betaSubmissions.Data) == 0 {
-			log.Info(string(platform), " ", tag, " create submission")
-			_, _, err = client.TestFlight.CreateBetaAppReviewSubmission(ctx, build.ID)
 			if err != nil {
-				if strings.Contains(err.Error(), "ANOTHER_BUILD_IN_REVIEW") {
+				return err
-					log.Error(err)
+			}
-					break
+			localization := common.Find(localizations.Data, func(it asc.BetaBuildLocalization) bool {
+				return *it.Attributes.Locale == "en-US"
+			})
+			if localization.ID == "" {
+				log.Fatal(string(platform), " ", tag, " no en-US localization found")
+			}
+			if localization.Attributes == nil || localization.Attributes.WhatsNew == nil || *localization.Attributes.WhatsNew == "" {
+				log.Info(string(platform), " ", tag, " update localization")
+				_, _, err = client.TestFlight.UpdateBetaBuildLocalization(ctx, localization.ID, common.Ptr(
+					F.ToString("sing-box ", tagVersion.String()),
+				))
+				if err != nil {
+					return err
 				}
+			}
+			log.Info(string(platform), " ", tag, " publish")
+			response, err := client.TestFlight.AddBuildsToBetaGroup(ctx, groupID, []string{build.ID})
+			if response != nil && response.StatusCode == http.StatusUnprocessableEntity {
+				log.Info("waiting for process")
+				time.Sleep(15 * time.Second)
+				continue
+			} else if err != nil {
 				return err
 			}
+			log.Info(string(platform), " ", tag, " list submissions")
+			betaSubmissions, _, err := client.TestFlight.ListBetaAppReviewSubmissions(ctx, &asc.ListBetaAppReviewSubmissionsQuery{
+				FilterBuild: []string{build.ID},
+			})
+			if err != nil {
+				return err
+			}
+			if len(betaSubmissions.Data) == 0 {
+				log.Info(string(platform), " ", tag, " create submission")
+				_, _, err = client.TestFlight.CreateBetaAppReviewSubmission(ctx, build.ID)
+				if err != nil {
+					if strings.Contains(err.Error(), "ANOTHER_BUILD_IN_REVIEW") {
+						log.Error(err)
+						break
+					}
+					return err
+				}
+			}
+			break
 		}
-		break
 	}
 	return nil
 }

cmd/internal/build_libbox/main.go

@@ -5,7 +5,6 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
-	"strconv"
 	"strings"
 
 	_ "github.com/sagernet/gomobile"
@@ -17,17 +16,17 @@ import (
 )
 
 var (
-	debugEnabled bool
+	debugEnabled  bool
-	target       string
+	target        string
-	platform     string
+	platform      string
-	// withTailscale bool
+	withTailscale bool
 )
 
 func init() {
 	flag.BoolVar(&debugEnabled, "debug", false, "enable debug")
 	flag.StringVar(&target, "target", "android", "target platform")
 	flag.StringVar(&platform, "platform", "", "specify platform")
-	// flag.BoolVar(&withTailscale, "with-tailscale", false, "build tailscale for iOS and tvOS")
+	flag.BoolVar(&withTailscale, "with-tailscale", false, "build tailscale for iOS and tvOS")
 }
 
 func main() {
@@ -47,9 +46,8 @@ var (
 	sharedFlags []string
 	debugFlags  []string
 	sharedTags  []string
-	darwinTags  []string
+	iosTags     []string
-	// memcTags    []string
+	memcTags    []string
-	notMemcTags []string
 	debugTags   []string
 )
 
@@ -60,38 +58,18 @@ func init() {
 	if err != nil {
 		currentTag = "unknown"
 	}
-	sharedFlags = append(sharedFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -X internal/godebug.defaultGODEBUG=multipathtcp=0 -s -w -buildid=  -checklinkname=0")
+	sharedFlags = append(sharedFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -s -w -buildid=")
-	debugFlags = append(debugFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -X internal/godebug.defaultGODEBUG=multipathtcp=0 -checklinkname=0")
+	debugFlags = append(debugFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag)
 
-	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_utls", "with_naive_outbound", "with_clash_api", "badlinkname", "tfogo_checklinkname0")
+	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_utls", "with_clash_api", "with_conntrack")
-	darwinTags = append(darwinTags, "with_dhcp", "grpcnotrace")
+	iosTags = append(iosTags, "with_dhcp", "with_low_memory")
-	// memcTags = append(memcTags, "with_tailscale")
+	memcTags = append(memcTags, "with_tailscale")
-	sharedTags = append(sharedTags, "with_tailscale", "ts_omit_logtail", "ts_omit_ssh", "ts_omit_drive", "ts_omit_taildrop", "ts_omit_webclient", "ts_omit_doctor", "ts_omit_capture", "ts_omit_kube", "ts_omit_aws", "ts_omit_synology", "ts_omit_bird")
-	notMemcTags = append(notMemcTags, "with_low_memory")
 	debugTags = append(debugTags, "debug")
 }
 
-type AndroidBuildConfig struct {
+func buildAndroid() {
-	AndroidAPI int
+	build_shared.FindSDK()
-	OutputName string
-	Tags       []string
-}
 
-func filterTags(tags []string, exclude ...string) []string {
-	excludeMap := make(map[string]bool)
-	for _, tag := range exclude {
-		excludeMap[tag] = true
-	}
-	var result []string
-	for _, tag := range tags {
-		if !excludeMap[tag] {
-			result = append(result, tag)
-		}
-	}
-	return result
-}
-
-func checkJavaVersion() {
 	var javaPath string
 	javaHome := os.Getenv("JAVA_HOME")
 	if javaHome == "" {
@@ -107,24 +85,21 @@ func checkJavaVersion() {
 	if !strings.Contains(javaVersion, "openjdk 17") {
 		log.Fatal("java version should be openjdk 17")
 	}
-}
 
-func getAndroidBindTarget() string {
+	var bindTarget string
 	if platform != "" {
-		return platform
+		bindTarget = platform
 	} else if debugEnabled {
-		return "android/arm64"
+		bindTarget = "android/arm64"
+	} else {
+		bindTarget = "android"
 	}
-	return "android"
-}
 
-func buildAndroidVariant(config AndroidBuildConfig, bindTarget string) {
 	args := []string{
 		"bind",
 		"-v",
-		"-o", config.OutputName,
 		"-target", bindTarget,
-		"-androidapi", strconv.Itoa(config.AndroidAPI),
+		"-androidapi", "21",
 		"-javapkg=io.nekohasekai",
 		"-libname=box",
 	}
@@ -135,59 +110,34 @@ func buildAndroidVariant(config AndroidBuildConfig, bindTarget string) {
 		args = append(args, debugFlags...)
 	}
 
-	args = append(args, "-tags", strings.Join(config.Tags, ","))
+	tags := append(sharedTags, memcTags...)
+	if debugEnabled {
+		tags = append(tags, debugTags...)
+	}
+
+	args = append(args, "-tags", strings.Join(tags, ","))
 	args = append(args, "./experimental/libbox")
 
 	command := exec.Command(build_shared.GoBinPath+"/gomobile", args...)
 	command.Stdout = os.Stdout
 	command.Stderr = os.Stderr
-	err := command.Run()
+	err = command.Run()
 	if err != nil {
 		log.Fatal(err)
 	}
 
+	const name = "libbox.aar"
 	copyPath := filepath.Join("..", "sing-box-for-android", "app", "libs")
 	if rw.IsDir(copyPath) {
 		copyPath, _ = filepath.Abs(copyPath)
-		err = rw.CopyFile(config.OutputName, filepath.Join(copyPath, config.OutputName))
+		err = rw.CopyFile(name, filepath.Join(copyPath, name))
 		if err != nil {
 			log.Fatal(err)
 		}
-		log.Info("copied ", config.OutputName, " to ", copyPath)
+		log.Info("copied to ", copyPath)
 	}
 }
 
-func buildAndroid() {
-	build_shared.FindSDK()
-	checkJavaVersion()
-
-	bindTarget := getAndroidBindTarget()
-
-	// Build main variant (SDK 23)
-	mainTags := append([]string{}, sharedTags...)
-	// mainTags = append(mainTags, memcTags...)
-	if debugEnabled {
-		mainTags = append(mainTags, debugTags...)
-	}
-	buildAndroidVariant(AndroidBuildConfig{
-		AndroidAPI: 23,
-		OutputName: "libbox.aar",
-		Tags:       mainTags,
-	}, bindTarget)
-
-	// Build legacy variant (SDK 21, no naive outbound)
-	legacyTags := filterTags(sharedTags, "with_naive_outbound")
-	// legacyTags = append(legacyTags, memcTags...)
-	if debugEnabled {
-		legacyTags = append(legacyTags, debugTags...)
-	}
-	buildAndroidVariant(AndroidBuildConfig{
-		AndroidAPI: 21,
-		OutputName: "libbox-legacy.aar",
-		Tags:       legacyTags,
-	}, bindTarget)
-}
-
 func buildApple() {
 	var bindTarget string
 	if platform != "" {
@@ -195,7 +145,7 @@ func buildApple() {
 	} else if debugEnabled {
 		bindTarget = "ios"
 	} else {
-		bindTarget = "ios,iossimulator,tvos,tvossimulator,macos"
+		bindTarget = "ios,tvos,macos"
 	}
 
 	args := []string{
@@ -203,11 +153,10 @@ func buildApple() {
 		"-v",
 		"-target", bindTarget,
 		"-libname=box",
-		"-tags-not-macos=with_low_memory",
 	}
-	//if !withTailscale {
+	if !withTailscale {
-	//	args = append(args, "-tags-macos="+strings.Join(memcTags, ","))
+		args = append(args, "-tags-macos="+strings.Join(memcTags, ","))
-	//}
+	}
 
 	if !debugEnabled {
 		args = append(args, sharedFlags...)
@@ -215,10 +164,10 @@ func buildApple() {
 		args = append(args, debugFlags...)
 	}
 
-	tags := append(sharedTags, darwinTags...)
+	tags := append(sharedTags, iosTags...)
-	//if withTailscale {
+	if withTailscale {
-	//	tags = append(tags, memcTags...)
+		tags = append(tags, memcTags...)
-	//}
+	}
 	if debugEnabled {
 		tags = append(tags, debugTags...)
 	}

cmd/internal/format_docs/main.go

@@ -1,117 +0,0 @@
-package main
-
-import (
-	"bytes"
-	"os"
-	"path/filepath"
-	"strings"
-
-	"github.com/sagernet/sing-box/log"
-)
-
-func main() {
-	err := filepath.Walk("docs", func(path string, info os.FileInfo, err error) error {
-		if err != nil {
-			return err
-		}
-		if info.IsDir() {
-			return nil
-		}
-		if !strings.HasSuffix(path, ".md") {
-			return nil
-		}
-		return processFile(path)
-	})
-	if err != nil {
-		log.Fatal(err)
-	}
-}
-
-func processFile(path string) error {
-	content, err := os.ReadFile(path)
-	if err != nil {
-		return err
-	}
-
-	lines := strings.Split(string(content), "\n")
-	modified := false
-	result := make([]string, 0, len(lines))
-
-	inQuoteBlock := false
-	materialLines := []int{} // indices of :material- lines in the block
-
-	for _, line := range lines {
-		// Check for quote block start
-		if strings.HasPrefix(line, "!!! quote \"") && strings.Contains(line, "sing-box") {
-			inQuoteBlock = true
-			materialLines = nil
-			result = append(result, line)
-			continue
-		}
-
-		// Inside a quote block
-		if inQuoteBlock {
-			trimmed := strings.TrimPrefix(line, "    ")
-			isMaterialLine := strings.HasPrefix(trimmed, ":material-")
-			isEmpty := strings.TrimSpace(line) == ""
-			isIndented := strings.HasPrefix(line, "    ")
-
-			if isMaterialLine {
-				materialLines = append(materialLines, len(result))
-				result = append(result, line)
-				continue
-			}
-
-			// Block ends when:
-			// - Empty line AFTER we've seen material lines, OR
-			// - Non-indented, non-empty line
-			blockEnds := (isEmpty && len(materialLines) > 0) || (!isEmpty && !isIndented)
-			if blockEnds {
-				// Process collected material lines
-				if len(materialLines) > 0 {
-					for j, idx := range materialLines {
-						isLast := j == len(materialLines)-1
-						resultLine := strings.TrimRight(result[idx], " ")
-						if !isLast {
-							// Add trailing two spaces for non-last lines
-							resultLine += "  "
-						}
-						if result[idx] != resultLine {
-							modified = true
-							result[idx] = resultLine
-						}
-					}
-				}
-				inQuoteBlock = false
-				materialLines = nil
-			}
-		}
-
-		result = append(result, line)
-	}
-
-	// Handle case where file ends while still in a block
-	if inQuoteBlock && len(materialLines) > 0 {
-		for j, idx := range materialLines {
-			isLast := j == len(materialLines)-1
-			resultLine := strings.TrimRight(result[idx], " ")
-			if !isLast {
-				resultLine += "  "
-			}
-			if result[idx] != resultLine {
-				modified = true
-				result[idx] = resultLine
-			}
-		}
-	}
-
-	if modified {
-		newContent := strings.Join(result, "\n")
-		if !bytes.Equal(content, []byte(newContent)) {
-			log.Info("formatted: ", path)
-			return os.WriteFile(path, []byte(newContent), 0o644)
-		}
-	}
-
-	return nil
-}

cmd/internal/tun_bench/main.go

@@ -1,284 +0,0 @@
-package main
-
-import (
-	"context"
-	"fmt"
-	"io"
-	"net/netip"
-	"os"
-	"os/exec"
-	"strings"
-	"syscall"
-	"time"
-
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/include"
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing/common"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/json"
-	"github.com/sagernet/sing/common/shell"
-)
-
-var iperf3Path string
-
-func main() {
-	err := main0()
-	if err != nil {
-		log.Fatal(err)
-	}
-}
-
-func main0() error {
-	err := shell.Exec("sudo", "ls").Run()
-	if err != nil {
-		return err
-	}
-	results, err := runTests()
-	if err != nil {
-		return err
-	}
-	encoder := json.NewEncoder(os.Stdout)
-	encoder.SetIndent("", "  ")
-	return encoder.Encode(results)
-}
-
-func runTests() ([]TestResult, error) {
-	boxPaths := []string{
-		os.ExpandEnv("$HOME/Downloads/sing-box-1.11.15-darwin-arm64/sing-box"),
-		//"/Users/sekai/Downloads/sing-box-1.11.15-linux-arm64/sing-box",
-		"./sing-box",
-	}
-	stacks := []string{
-		"gvisor",
-		"system",
-	}
-	mtus := []int{
-		1500,
-		4064,
-		// 16384,
-		// 32768,
-		// 49152,
-		65535,
-	}
-	flagList := [][]string{
-		{},
-	}
-	var results []TestResult
-	for _, boxPath := range boxPaths {
-		for _, stack := range stacks {
-			for _, mtu := range mtus {
-				if strings.HasPrefix(boxPath, ".") {
-					for _, flags := range flagList {
-						result, err := testOnce(boxPath, stack, mtu, false, flags)
-						if err != nil {
-							return nil, err
-						}
-						results = append(results, *result)
-					}
-				} else {
-					result, err := testOnce(boxPath, stack, mtu, false, nil)
-					if err != nil {
-						return nil, err
-					}
-					results = append(results, *result)
-				}
-			}
-		}
-	}
-	return results, nil
-}
-
-type TestResult struct {
-	BoxPath       string   `json:"box_path"`
-	Stack         string   `json:"stack"`
-	MTU           int      `json:"mtu"`
-	Flags         []string `json:"flags"`
-	MultiThread   bool     `json:"multi_thread"`
-	UploadSpeed   string   `json:"upload_speed"`
-	DownloadSpeed string   `json:"download_speed"`
-}
-
-func testOnce(boxPath string, stackName string, mtu int, multiThread bool, flags []string) (result *TestResult, err error) {
-	testAddress := netip.MustParseAddr("1.1.1.1")
-	testConfig := option.Options{
-		Inbounds: []option.Inbound{
-			{
-				Type: C.TypeTun,
-				Options: &option.TunInboundOptions{
-					Address:      []netip.Prefix{netip.MustParsePrefix("172.18.0.1/30")},
-					AutoRoute:    true,
-					MTU:          uint32(mtu),
-					Stack:        stackName,
-					RouteAddress: []netip.Prefix{netip.PrefixFrom(testAddress, testAddress.BitLen())},
-				},
-			},
-		},
-		Route: &option.RouteOptions{
-			Rules: []option.Rule{
-				{
-					Type: C.RuleTypeDefault,
-					DefaultOptions: option.DefaultRule{
-						RawDefaultRule: option.RawDefaultRule{
-							IPCIDR: []string{testAddress.String()},
-						},
-						RuleAction: option.RuleAction{
-							Action: C.RuleActionTypeRouteOptions,
-							RouteOptionsOptions: option.RouteOptionsActionOptions{
-								OverrideAddress: "127.0.0.1",
-							},
-						},
-					},
-				},
-			},
-			AutoDetectInterface: true,
-		},
-	}
-	ctx := include.Context(context.Background())
-	tempConfig, err := os.CreateTemp("", "tun-bench-*.json")
-	if err != nil {
-		return
-	}
-	defer os.Remove(tempConfig.Name())
-	encoder := json.NewEncoderContext(ctx, tempConfig)
-	encoder.SetIndent("", "  ")
-	err = encoder.Encode(testConfig)
-	if err != nil {
-		return nil, E.Cause(err, "encode test config")
-	}
-	tempConfig.Close()
-	var sudoArgs []string
-	if len(flags) > 0 {
-		sudoArgs = append(sudoArgs, "env")
-		sudoArgs = append(sudoArgs, flags...)
-	}
-	sudoArgs = append(sudoArgs, boxPath, "run", "-c", tempConfig.Name())
-	boxProcess := shell.Exec("sudo", sudoArgs...)
-	boxProcess.Stdout = &stderrWriter{}
-	boxProcess.Stderr = io.Discard
-	err = boxProcess.Start()
-	if err != nil {
-		return
-	}
-
-	if C.IsDarwin {
-		iperf3Path, err = exec.LookPath("iperf3-darwin")
-	} else {
-		iperf3Path, err = exec.LookPath("iperf3")
-	}
-	if err != nil {
-		return
-	}
-	serverProcess := shell.Exec(iperf3Path, "-s")
-	serverProcess.Stdout = io.Discard
-	serverProcess.Stderr = io.Discard
-	err = serverProcess.Start()
-	if err != nil {
-		return nil, E.Cause(err, "start iperf3 server")
-	}
-
-	time.Sleep(time.Second)
-
-	args := []string{"-c", testAddress.String()}
-	if multiThread {
-		args = append(args, "-P", "10")
-	}
-
-	uploadProcess := shell.Exec(iperf3Path, args...)
-	output, err := uploadProcess.Read()
-	if err != nil {
-		boxProcess.Process.Signal(syscall.SIGKILL)
-		serverProcess.Process.Signal(syscall.SIGKILL)
-		println(output)
-		return
-	}
-
-	uploadResult := common.SubstringBeforeLast(output, "iperf Done.")
-	uploadResult = common.SubstringBeforeLast(uploadResult, "sender")
-	uploadResult = common.SubstringBeforeLast(uploadResult, "bits/sec")
-	uploadResult = common.SubstringAfterLast(uploadResult, "Bytes")
-	uploadResult = strings.ReplaceAll(uploadResult, " ", "")
-
-	result = &TestResult{
-		BoxPath:     boxPath,
-		Stack:       stackName,
-		MTU:         mtu,
-		Flags:       flags,
-		MultiThread: multiThread,
-		UploadSpeed: uploadResult,
-	}
-
-	downloadProcess := shell.Exec(iperf3Path, append(args, "-R")...)
-	output, err = downloadProcess.Read()
-	if err != nil {
-		boxProcess.Process.Signal(syscall.SIGKILL)
-		serverProcess.Process.Signal(syscall.SIGKILL)
-		println(output)
-		return
-	}
-
-	downloadResult := common.SubstringBeforeLast(output, "iperf Done.")
-	downloadResult = common.SubstringBeforeLast(downloadResult, "receiver")
-	downloadResult = common.SubstringBeforeLast(downloadResult, "bits/sec")
-	downloadResult = common.SubstringAfterLast(downloadResult, "Bytes")
-	downloadResult = strings.ReplaceAll(downloadResult, " ", "")
-
-	result.DownloadSpeed = downloadResult
-
-	printArgs := []any{boxPath, stackName, mtu, "upload", uploadResult, "download", downloadResult}
-	if len(flags) > 0 {
-		printArgs = append(printArgs, "flags", strings.Join(flags, " "))
-	}
-	if multiThread {
-		printArgs = append(printArgs, "(-P 10)")
-	}
-	fmt.Println(printArgs...)
-	err = boxProcess.Process.Signal(syscall.SIGTERM)
-	if err != nil {
-		return
-	}
-
-	err = serverProcess.Process.Signal(syscall.SIGTERM)
-	if err != nil {
-		return
-	}
-
-	boxDone := make(chan struct{})
-	go func() {
-		boxProcess.Cmd.Wait()
-		close(boxDone)
-	}()
-
-	serverDone := make(chan struct{})
-	go func() {
-		serverProcess.Process.Wait()
-		close(serverDone)
-	}()
-
-	select {
-	case <-boxDone:
-	case <-time.After(2 * time.Second):
-		boxProcess.Process.Kill()
-	case <-time.After(4 * time.Second):
-		println("box process did not close!")
-		os.Exit(1)
-	}
-
-	select {
-	case <-serverDone:
-	case <-time.After(2 * time.Second):
-		serverProcess.Process.Kill()
-	case <-time.After(4 * time.Second):
-		println("server process did not close!")
-		os.Exit(1)
-	}
-
-	return
-}
-
-type stderrWriter struct{}
-
-func (w *stderrWriter) Write(p []byte) (n int, err error) {
-	return os.Stderr.Write(p)
-}

cmd/internal/update_apple_version/main.go

@@ -71,12 +71,12 @@ func findAndReplace(objectsMap map[string]any, projectContent string, bundleIDLi
 		indexEnd := indexStart + strings.Index(projectContent[indexStart:], "}")
 		versionStart := indexStart + strings.Index(projectContent[indexStart:indexEnd], "MARKETING_VERSION = ") + 20
 		versionEnd := versionStart + strings.Index(projectContent[versionStart:indexEnd], ";")
-		version := strings.Trim(projectContent[versionStart:versionEnd], "\"")
+		version := projectContent[versionStart:versionEnd]
 		if version == newVersion {
 			continue
 		}
 		updated = true
-		projectContent = projectContent[:versionStart] + "\"" + newVersion + "\"" + projectContent[versionEnd:]
+		projectContent = projectContent[:versionStart] + newVersion + projectContent[versionEnd:]
 	}
 	return projectContent, updated
 }

cmd/internal/update_certificates/main.go

@@ -17,10 +17,6 @@ func main() {
 	if err != nil {
 		log.Error(err)
 	}
-	err = updateChromeIncludedRootCAs()
-	if err != nil {
-		log.Error(err)
-	}
 }
 
 func updateMozillaIncludedRootCAs() error {
@@ -73,94 +69,3 @@ func init() {
 	generated.WriteString("}\n")
 	return os.WriteFile("common/certificate/mozilla.go", []byte(generated.String()), 0o644)
 }
-
-func fetchChinaFingerprints() (map[string]bool, error) {
-	response, err := http.Get("https://ccadb.my.salesforce-sites.com/ccadb/AllCertificateRecordsCSVFormatv4")
-	if err != nil {
-		return nil, err
-	}
-	defer response.Body.Close()
-	reader := csv.NewReader(response.Body)
-	header, err := reader.Read()
-	if err != nil {
-		return nil, err
-	}
-	countryIndex := slices.Index(header, "Country")
-	fingerprintIndex := slices.Index(header, "SHA-256 Fingerprint")
-
-	chinaFingerprints := make(map[string]bool)
-	for {
-		record, err := reader.Read()
-		if err == io.EOF {
-			break
-		} else if err != nil {
-			return nil, err
-		}
-		if record[countryIndex] == "China" {
-			chinaFingerprints[record[fingerprintIndex]] = true
-		}
-	}
-	return chinaFingerprints, nil
-}
-
-func updateChromeIncludedRootCAs() error {
-	chinaFingerprints, err := fetchChinaFingerprints()
-	if err != nil {
-		return err
-	}
-
-	response, err := http.Get("https://ccadb.my.salesforce-sites.com/ccadb/RootCACertificatesIncludedByRSReportCSV")
-	if err != nil {
-		return err
-	}
-	defer response.Body.Close()
-	reader := csv.NewReader(response.Body)
-	header, err := reader.Read()
-	if err != nil {
-		return err
-	}
-	subjectIndex := slices.Index(header, "Subject")
-	statusIndex := slices.Index(header, "Google Chrome Status")
-	certIndex := slices.Index(header, "X.509 Certificate (PEM)")
-	fingerprintIndex := slices.Index(header, "SHA-256 Fingerprint")
-
-	generated := strings.Builder{}
-	generated.WriteString(`// Code generated by 'make update_certificates'. DO NOT EDIT.
-
-package certificate
-
-import "crypto/x509"
-
-var chromeIncluded *x509.CertPool
-
-func init() {
-	chromeIncluded = x509.NewCertPool()
-`)
-	for {
-		record, err := reader.Read()
-		if err == io.EOF {
-			break
-		} else if err != nil {
-			return err
-		}
-		if record[statusIndex] != "Included" {
-			continue
-		}
-		if chinaFingerprints[record[fingerprintIndex]] {
-			continue
-		}
-		generated.WriteString("\n	// ")
-		generated.WriteString(record[subjectIndex])
-		generated.WriteString("\n")
-		generated.WriteString("	chromeIncluded.AppendCertsFromPEM([]byte(`")
-		cert := record[certIndex]
-		// Remove single quotes if present
-		if len(cert) > 0 && cert[0] == '\'' {
-			cert = cert[1 : len(cert)-1]
-		}
-		generated.WriteString(cert)
-		generated.WriteString("`))\n")
-	}
-	generated.WriteString("}\n")
-	return os.WriteFile("common/certificate/chrome.go", []byte(generated.String()), 0o644)
-}

cmd/sing-box/cmd_rule_set_compile.go

@@ -6,10 +6,8 @@ import (
 	"strings"
 
 	"github.com/sagernet/sing-box/common/srs"
-	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-box/route/rule"
 	"github.com/sagernet/sing/common/json"
 
 	"github.com/spf13/cobra"
@@ -71,7 +69,7 @@ func compileRuleSet(sourcePath string) error {
 	if err != nil {
 		return err
 	}
-	err = srs.Write(outputFile, plainRuleSet.Options, downgradeRuleSetVersion(plainRuleSet.Version, plainRuleSet.Options))
+	err = srs.Write(outputFile, plainRuleSet.Options, plainRuleSet.Version)
 	if err != nil {
 		outputFile.Close()
 		os.Remove(outputPath)
@@ -80,18 +78,3 @@ func compileRuleSet(sourcePath string) error {
 	outputFile.Close()
 	return nil
 }
-
-func downgradeRuleSetVersion(version uint8, options option.PlainRuleSet) uint8 {
-	if version == C.RuleSetVersion4 && !rule.HasHeadlessRule(options.Rules, func(rule option.DefaultHeadlessRule) bool {
-		return rule.NetworkInterfaceAddress != nil && rule.NetworkInterfaceAddress.Size() > 0 ||
-			len(rule.DefaultInterfaceAddress) > 0
-	}) {
-		version = C.RuleSetVersion3
-	}
-	if version == C.RuleSetVersion3 && !rule.HasHeadlessRule(options.Rules, func(rule option.DefaultHeadlessRule) bool {
-		return len(rule.NetworkType) > 0 || rule.NetworkIsExpensive || rule.NetworkIsConstrained
-	}) {
-		version = C.RuleSetVersion2
-	}
-	return version
-}

cmd/sing-box/cmd_tools_fetch_http3.go

@@ -22,7 +22,7 @@ func initializeHTTP3Client(instance *box.Box) error {
 	}
 	http3Client = &http.Client{
 		Transport: &http3.Transport{
-			Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (*quic.Conn, error) {
+			Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
 				destination := M.ParseSocksaddr(addr)
 				udpConn, dErr := dialer.DialContext(ctx, N.NetworkUDP, destination)
 				if dErr != nil {

common/badtls/raw_conn.go

@@ -1,176 +0,0 @@
-//go:build go1.25 && badlinkname
-
-package badtls
-
-import (
-	"bytes"
-	"os"
-	"reflect"
-	"sync/atomic"
-	"unsafe"
-
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/tls"
-)
-
-type RawConn struct {
-	pointer unsafe.Pointer
-	methods *Methods
-
-	IsClient            *bool
-	IsHandshakeComplete *atomic.Bool
-	Vers                *uint16
-	CipherSuite         *uint16
-
-	RawInput *bytes.Buffer
-	Input    *bytes.Reader
-	Hand     *bytes.Buffer
-
-	CloseNotifySent *bool
-	CloseNotifyErr  *error
-
-	In  *RawHalfConn
-	Out *RawHalfConn
-
-	BytesSent   *int64
-	PacketsSent *int64
-
-	ActiveCall *atomic.Int32
-	Tmp        *[16]byte
-}
-
-func NewRawConn(rawTLSConn tls.Conn) (*RawConn, error) {
-	var (
-		pointer unsafe.Pointer
-		methods *Methods
-		loaded  bool
-	)
-	for _, tlsCreator := range methodRegistry {
-		pointer, methods, loaded = tlsCreator(rawTLSConn)
-		if loaded {
-			break
-		}
-	}
-	if !loaded {
-		return nil, os.ErrInvalid
-	}
-
-	conn := &RawConn{
-		pointer: pointer,
-		methods: methods,
-	}
-
-	rawConn := reflect.Indirect(reflect.ValueOf(rawTLSConn))
-
-	rawIsClient := rawConn.FieldByName("isClient")
-	if !rawIsClient.IsValid() || rawIsClient.Kind() != reflect.Bool {
-		return nil, E.New("invalid Conn.isClient")
-	}
-	conn.IsClient = (*bool)(unsafe.Pointer(rawIsClient.UnsafeAddr()))
-
-	rawIsHandshakeComplete := rawConn.FieldByName("isHandshakeComplete")
-	if !rawIsHandshakeComplete.IsValid() || rawIsHandshakeComplete.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.isHandshakeComplete")
-	}
-	conn.IsHandshakeComplete = (*atomic.Bool)(unsafe.Pointer(rawIsHandshakeComplete.UnsafeAddr()))
-
-	rawVers := rawConn.FieldByName("vers")
-	if !rawVers.IsValid() || rawVers.Kind() != reflect.Uint16 {
-		return nil, E.New("invalid Conn.vers")
-	}
-	conn.Vers = (*uint16)(unsafe.Pointer(rawVers.UnsafeAddr()))
-
-	rawCipherSuite := rawConn.FieldByName("cipherSuite")
-	if !rawCipherSuite.IsValid() || rawCipherSuite.Kind() != reflect.Uint16 {
-		return nil, E.New("invalid Conn.cipherSuite")
-	}
-	conn.CipherSuite = (*uint16)(unsafe.Pointer(rawCipherSuite.UnsafeAddr()))
-
-	rawRawInput := rawConn.FieldByName("rawInput")
-	if !rawRawInput.IsValid() || rawRawInput.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.rawInput")
-	}
-	conn.RawInput = (*bytes.Buffer)(unsafe.Pointer(rawRawInput.UnsafeAddr()))
-
-	rawInput := rawConn.FieldByName("input")
-	if !rawInput.IsValid() || rawInput.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.input")
-	}
-	conn.Input = (*bytes.Reader)(unsafe.Pointer(rawInput.UnsafeAddr()))
-
-	rawHand := rawConn.FieldByName("hand")
-	if !rawHand.IsValid() || rawHand.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.hand")
-	}
-	conn.Hand = (*bytes.Buffer)(unsafe.Pointer(rawHand.UnsafeAddr()))
-
-	rawCloseNotifySent := rawConn.FieldByName("closeNotifySent")
-	if !rawCloseNotifySent.IsValid() || rawCloseNotifySent.Kind() != reflect.Bool {
-		return nil, E.New("invalid Conn.closeNotifySent")
-	}
-	conn.CloseNotifySent = (*bool)(unsafe.Pointer(rawCloseNotifySent.UnsafeAddr()))
-
-	rawCloseNotifyErr := rawConn.FieldByName("closeNotifyErr")
-	if !rawCloseNotifyErr.IsValid() || rawCloseNotifyErr.Kind() != reflect.Interface {
-		return nil, E.New("invalid Conn.closeNotifyErr")
-	}
-	conn.CloseNotifyErr = (*error)(unsafe.Pointer(rawCloseNotifyErr.UnsafeAddr()))
-
-	rawIn := rawConn.FieldByName("in")
-	if !rawIn.IsValid() || rawIn.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.in")
-	}
-	halfIn, err := NewRawHalfConn(rawIn, methods)
-	if err != nil {
-		return nil, E.Cause(err, "invalid Conn.in")
-	}
-	conn.In = halfIn
-
-	rawOut := rawConn.FieldByName("out")
-	if !rawOut.IsValid() || rawOut.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.out")
-	}
-	halfOut, err := NewRawHalfConn(rawOut, methods)
-	if err != nil {
-		return nil, E.Cause(err, "invalid Conn.out")
-	}
-	conn.Out = halfOut
-
-	rawBytesSent := rawConn.FieldByName("bytesSent")
-	if !rawBytesSent.IsValid() || rawBytesSent.Kind() != reflect.Int64 {
-		return nil, E.New("invalid Conn.bytesSent")
-	}
-	conn.BytesSent = (*int64)(unsafe.Pointer(rawBytesSent.UnsafeAddr()))
-
-	rawPacketsSent := rawConn.FieldByName("packetsSent")
-	if !rawPacketsSent.IsValid() || rawPacketsSent.Kind() != reflect.Int64 {
-		return nil, E.New("invalid Conn.packetsSent")
-	}
-	conn.PacketsSent = (*int64)(unsafe.Pointer(rawPacketsSent.UnsafeAddr()))
-
-	rawActiveCall := rawConn.FieldByName("activeCall")
-	if !rawActiveCall.IsValid() || rawActiveCall.Kind() != reflect.Struct {
-		return nil, E.New("invalid Conn.activeCall")
-	}
-	conn.ActiveCall = (*atomic.Int32)(unsafe.Pointer(rawActiveCall.UnsafeAddr()))
-
-	rawTmp := rawConn.FieldByName("tmp")
-	if !rawTmp.IsValid() || rawTmp.Kind() != reflect.Array || rawTmp.Len() != 16 || rawTmp.Type().Elem().Kind() != reflect.Uint8 {
-		return nil, E.New("invalid Conn.tmp")
-	}
-	conn.Tmp = (*[16]byte)(unsafe.Pointer(rawTmp.UnsafeAddr()))
-
-	return conn, nil
-}
-
-func (c *RawConn) ReadRecord() error {
-	return c.methods.readRecord(c.pointer)
-}
-
-func (c *RawConn) HandlePostHandshakeMessage() error {
-	return c.methods.handlePostHandshakeMessage(c.pointer)
-}
-
-func (c *RawConn) WriteRecordLocked(typ uint16, data []byte) (int, error) {
-	return c.methods.writeRecordLocked(c.pointer, typ, data)
-}

common/badtls/raw_half_conn.go

@@ -1,121 +0,0 @@
-//go:build go1.25 && badlinkname
-
-package badtls
-
-import (
-	"hash"
-	"reflect"
-	"sync"
-	"unsafe"
-
-	E "github.com/sagernet/sing/common/exceptions"
-)
-
-type RawHalfConn struct {
-	pointer unsafe.Pointer
-	methods *Methods
-	*sync.Mutex
-	Err           *error
-	Version       *uint16
-	Cipher        *any
-	Seq           *[8]byte
-	ScratchBuf    *[13]byte
-	TrafficSecret *[]byte
-	Mac           *hash.Hash
-	RawKey        *[]byte
-	RawIV         *[]byte
-	RawMac        *[]byte
-}
-
-func NewRawHalfConn(rawHalfConn reflect.Value, methods *Methods) (*RawHalfConn, error) {
-	halfConn := &RawHalfConn{
-		pointer: (unsafe.Pointer)(rawHalfConn.UnsafeAddr()),
-		methods: methods,
-	}
-
-	rawMutex := rawHalfConn.FieldByName("Mutex")
-	if !rawMutex.IsValid() || rawMutex.Kind() != reflect.Struct {
-		return nil, E.New("badtls: invalid halfConn.Mutex")
-	}
-	halfConn.Mutex = (*sync.Mutex)(unsafe.Pointer(rawMutex.UnsafeAddr()))
-
-	rawErr := rawHalfConn.FieldByName("err")
-	if !rawErr.IsValid() || rawErr.Kind() != reflect.Interface {
-		return nil, E.New("badtls: invalid halfConn.err")
-	}
-	halfConn.Err = (*error)(unsafe.Pointer(rawErr.UnsafeAddr()))
-
-	rawVersion := rawHalfConn.FieldByName("version")
-	if !rawVersion.IsValid() || rawVersion.Kind() != reflect.Uint16 {
-		return nil, E.New("badtls: invalid halfConn.version")
-	}
-	halfConn.Version = (*uint16)(unsafe.Pointer(rawVersion.UnsafeAddr()))
-
-	rawCipher := rawHalfConn.FieldByName("cipher")
-	if !rawCipher.IsValid() || rawCipher.Kind() != reflect.Interface {
-		return nil, E.New("badtls: invalid halfConn.cipher")
-	}
-	halfConn.Cipher = (*any)(unsafe.Pointer(rawCipher.UnsafeAddr()))
-
-	rawSeq := rawHalfConn.FieldByName("seq")
-	if !rawSeq.IsValid() || rawSeq.Kind() != reflect.Array || rawSeq.Len() != 8 || rawSeq.Type().Elem().Kind() != reflect.Uint8 {
-		return nil, E.New("badtls: invalid halfConn.seq")
-	}
-	halfConn.Seq = (*[8]byte)(unsafe.Pointer(rawSeq.UnsafeAddr()))
-
-	rawScratchBuf := rawHalfConn.FieldByName("scratchBuf")
-	if !rawScratchBuf.IsValid() || rawScratchBuf.Kind() != reflect.Array || rawScratchBuf.Len() != 13 || rawScratchBuf.Type().Elem().Kind() != reflect.Uint8 {
-		return nil, E.New("badtls: invalid halfConn.scratchBuf")
-	}
-	halfConn.ScratchBuf = (*[13]byte)(unsafe.Pointer(rawScratchBuf.UnsafeAddr()))
-
-	rawTrafficSecret := rawHalfConn.FieldByName("trafficSecret")
-	if !rawTrafficSecret.IsValid() || rawTrafficSecret.Kind() != reflect.Slice || rawTrafficSecret.Type().Elem().Kind() != reflect.Uint8 {
-		return nil, E.New("badtls: invalid halfConn.trafficSecret")
-	}
-	halfConn.TrafficSecret = (*[]byte)(unsafe.Pointer(rawTrafficSecret.UnsafeAddr()))
-
-	rawMac := rawHalfConn.FieldByName("mac")
-	if !rawMac.IsValid() || rawMac.Kind() != reflect.Interface {
-		return nil, E.New("badtls: invalid halfConn.mac")
-	}
-	halfConn.Mac = (*hash.Hash)(unsafe.Pointer(rawMac.UnsafeAddr()))
-
-	rawKey := rawHalfConn.FieldByName("rawKey")
-	if rawKey.IsValid() {
-		if /*!rawKey.IsValid() || */ rawKey.Kind() != reflect.Slice || rawKey.Type().Elem().Kind() != reflect.Uint8 {
-			return nil, E.New("badtls: invalid halfConn.rawKey")
-		}
-		halfConn.RawKey = (*[]byte)(unsafe.Pointer(rawKey.UnsafeAddr()))
-
-		rawIV := rawHalfConn.FieldByName("rawIV")
-		if !rawIV.IsValid() || rawIV.Kind() != reflect.Slice || rawIV.Type().Elem().Kind() != reflect.Uint8 {
-			return nil, E.New("badtls: invalid halfConn.rawIV")
-		}
-		halfConn.RawIV = (*[]byte)(unsafe.Pointer(rawIV.UnsafeAddr()))
-
-		rawMAC := rawHalfConn.FieldByName("rawMac")
-		if !rawMAC.IsValid() || rawMAC.Kind() != reflect.Slice || rawMAC.Type().Elem().Kind() != reflect.Uint8 {
-			return nil, E.New("badtls: invalid halfConn.rawMac")
-		}
-		halfConn.RawMac = (*[]byte)(unsafe.Pointer(rawMAC.UnsafeAddr()))
-	}
-
-	return halfConn, nil
-}
-
-func (hc *RawHalfConn) Decrypt(record []byte) ([]byte, uint8, error) {
-	return hc.methods.decrypt(hc.pointer, record)
-}
-
-func (hc *RawHalfConn) SetErrorLocked(err error) error {
-	return hc.methods.setErrorLocked(hc.pointer, err)
-}
-
-func (hc *RawHalfConn) SetTrafficSecret(suite unsafe.Pointer, level int, secret []byte) {
-	hc.methods.setTrafficSecret(hc.pointer, suite, level, secret)
-}
-
-func (hc *RawHalfConn) ExplicitNonceLen() int {
-	return hc.methods.explicitNonceLen(hc.pointer)
-}

common/badtls/read_wait.go

@@ -1,9 +1,18 @@
-//go:build go1.25 && badlinkname
+//go:build go1.21 && !without_badtls
 
 package badtls
 
 import (
+	"bytes"
+	"context"
+	"net"
+	"os"
+	"reflect"
+	"sync"
+	"unsafe"
+
 	"github.com/sagernet/sing/common/buf"
+	E "github.com/sagernet/sing/common/exceptions"
 	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/common/tls"
 )
@@ -12,21 +21,63 @@ var _ N.ReadWaiter = (*ReadWaitConn)(nil)
 
 type ReadWaitConn struct {
 	tls.Conn
-	rawConn         *RawConn
+	halfAccess                    *sync.Mutex
-	readWaitOptions N.ReadWaitOptions
+	rawInput                      *bytes.Buffer
+	input                         *bytes.Reader
+	hand                          *bytes.Buffer
+	readWaitOptions               N.ReadWaitOptions
+	tlsReadRecord                 func() error
+	tlsHandlePostHandshakeMessage func() error
 }
 
 func NewReadWaitConn(conn tls.Conn) (tls.Conn, error) {
-	if _, isReadWaitConn := conn.(N.ReadWaiter); isReadWaitConn {
+	var (
-		return conn, nil
+		loaded                        bool
+		tlsReadRecord                 func() error
+		tlsHandlePostHandshakeMessage func() error
+	)
+	for _, tlsCreator := range tlsRegistry {
+		loaded, tlsReadRecord, tlsHandlePostHandshakeMessage = tlsCreator(conn)
+		if loaded {
+			break
+		}
 	}
-	rawConn, err := NewRawConn(conn)
+	if !loaded {
-	if err != nil {
+		return nil, os.ErrInvalid
-		return nil, err
 	}
+	rawConn := reflect.Indirect(reflect.ValueOf(conn))
+	rawHalfConn := rawConn.FieldByName("in")
+	if !rawHalfConn.IsValid() || rawHalfConn.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid half conn")
+	}
+	rawHalfMutex := rawHalfConn.FieldByName("Mutex")
+	if !rawHalfMutex.IsValid() || rawHalfMutex.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid half mutex")
+	}
+	halfAccess := (*sync.Mutex)(unsafe.Pointer(rawHalfMutex.UnsafeAddr()))
+	rawRawInput := rawConn.FieldByName("rawInput")
+	if !rawRawInput.IsValid() || rawRawInput.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid raw input")
+	}
+	rawInput := (*bytes.Buffer)(unsafe.Pointer(rawRawInput.UnsafeAddr()))
+	rawInput0 := rawConn.FieldByName("input")
+	if !rawInput0.IsValid() || rawInput0.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid input")
+	}
+	input := (*bytes.Reader)(unsafe.Pointer(rawInput0.UnsafeAddr()))
+	rawHand := rawConn.FieldByName("hand")
+	if !rawHand.IsValid() || rawHand.Kind() != reflect.Struct {
+		return nil, E.New("badtls: invalid hand")
+	}
+	hand := (*bytes.Buffer)(unsafe.Pointer(rawHand.UnsafeAddr()))
 	return &ReadWaitConn{
-		Conn:    conn,
+		Conn:                          conn,
-		rawConn: rawConn,
+		halfAccess:                    halfAccess,
+		rawInput:                      rawInput,
+		input:                         input,
+		hand:                          hand,
+		tlsReadRecord:                 tlsReadRecord,
+		tlsHandlePostHandshakeMessage: tlsHandlePostHandshakeMessage,
 	}, nil
 }
 
@@ -36,36 +87,36 @@ func (c *ReadWaitConn) InitializeReadWaiter(options N.ReadWaitOptions) (needCopy
 }
 
 func (c *ReadWaitConn) WaitReadBuffer() (buffer *buf.Buffer, err error) {
-	//err = c.HandshakeContext(context.Background())
+	err = c.HandshakeContext(context.Background())
-	//if err != nil {
+	if err != nil {
-	//	return
+		return
-	//}
+	}
-	c.rawConn.In.Lock()
+	c.halfAccess.Lock()
-	defer c.rawConn.In.Unlock()
+	defer c.halfAccess.Unlock()
-	for c.rawConn.Input.Len() == 0 {
+	for c.input.Len() == 0 {
-		err = c.rawConn.ReadRecord()
+		err = c.tlsReadRecord()
 		if err != nil {
 			return
 		}
-		for c.rawConn.Hand.Len() > 0 {
+		for c.hand.Len() > 0 {
-			err = c.rawConn.HandlePostHandshakeMessage()
+			err = c.tlsHandlePostHandshakeMessage()
 			if err != nil {
 				return
 			}
 		}
 	}
 	buffer = c.readWaitOptions.NewBuffer()
-	n, err := c.rawConn.Input.Read(buffer.FreeBytes())
+	n, err := c.input.Read(buffer.FreeBytes())
 	if err != nil {
 		buffer.Release()
 		return
 	}
 	buffer.Truncate(n)
 
-	if n != 0 && c.rawConn.Input.Len() == 0 && c.rawConn.Input.Len() > 0 &&
+	if n != 0 && c.input.Len() == 0 && c.rawInput.Len() > 0 &&
-		// recordType(c.RawInput.Bytes()[0]) == recordTypeAlert {
+		// recordType(c.rawInput.Bytes()[0]) == recordTypeAlert {
-		c.rawConn.RawInput.Bytes()[0] == 21 {
+		c.rawInput.Bytes()[0] == 21 {
-		_ = c.rawConn.ReadRecord()
+		_ = c.tlsReadRecord()
 		// return n, err // will be io.EOF on closeNotify
 	}
 
@@ -77,6 +128,24 @@ func (c *ReadWaitConn) Upstream() any {
 	return c.Conn
 }
 
-func (c *ReadWaitConn) ReaderReplaceable() bool {
+var tlsRegistry []func(conn net.Conn) (loaded bool, tlsReadRecord func() error, tlsHandlePostHandshakeMessage func() error)
-	return true
+
+func init() {
+	tlsRegistry = append(tlsRegistry, func(conn net.Conn) (loaded bool, tlsReadRecord func() error, tlsHandlePostHandshakeMessage func() error) {
+		tlsConn, loaded := conn.(*tls.STDConn)
+		if !loaded {
+			return
+		}
+		return true, func() error {
+				return stdTLSReadRecord(tlsConn)
+			}, func() error {
+				return stdTLSHandlePostHandshakeMessage(tlsConn)
+			}
+	})
 }
+
+//go:linkname stdTLSReadRecord crypto/tls.(*Conn).readRecord
+func stdTLSReadRecord(c *tls.STDConn) error
+
+//go:linkname stdTLSHandlePostHandshakeMessage crypto/tls.(*Conn).handlePostHandshakeMessage
+func stdTLSHandlePostHandshakeMessage(c *tls.STDConn) error

common/badtls/read_wait_stub.go

@@ -1,4 +1,4 @@
-//go:build !go1.25 || !badlinkname
+//go:build !go1.21 || without_badtls
 
 package badtls
 

common/badtls/read_wait_utls.go

@@ -0,0 +1,32 @@
+//go:build go1.21 && !without_badtls && with_utls
+
+package badtls
+
+import (
+	"net"
+	_ "unsafe"
+
+	"github.com/sagernet/sing/common"
+
+	"github.com/metacubex/utls"
+)
+
+func init() {
+	tlsRegistry = append(tlsRegistry, func(conn net.Conn) (loaded bool, tlsReadRecord func() error, tlsHandlePostHandshakeMessage func() error) {
+		tlsConn, loaded := common.Cast[*tls.UConn](conn)
+		if !loaded {
+			return
+		}
+		return true, func() error {
+				return utlsReadRecord(tlsConn.Conn)
+			}, func() error {
+				return utlsHandlePostHandshakeMessage(tlsConn.Conn)
+			}
+	})
+}
+
+//go:linkname utlsReadRecord github.com/metacubex/utls.(*Conn).readRecord
+func utlsReadRecord(c *tls.Conn) error
+
+//go:linkname utlsHandlePostHandshakeMessage github.com/metacubex/utls.(*Conn).handlePostHandshakeMessage
+func utlsHandlePostHandshakeMessage(c *tls.Conn) error

common/badtls/registry.go

@@ -1,62 +0,0 @@
-//go:build go1.25 && badlinkname
-
-package badtls
-
-import (
-	"crypto/tls"
-	"net"
-	"unsafe"
-)
-
-type Methods struct {
-	readRecord                 func(c unsafe.Pointer) error
-	handlePostHandshakeMessage func(c unsafe.Pointer) error
-	writeRecordLocked          func(c unsafe.Pointer, typ uint16, data []byte) (int, error)
-
-	setErrorLocked   func(hc unsafe.Pointer, err error) error
-	decrypt          func(hc unsafe.Pointer, record []byte) ([]byte, uint8, error)
-	setTrafficSecret func(hc unsafe.Pointer, suite unsafe.Pointer, level int, secret []byte)
-	explicitNonceLen func(hc unsafe.Pointer) int
-}
-
-var methodRegistry []func(conn net.Conn) (unsafe.Pointer, *Methods, bool)
-
-func init() {
-	methodRegistry = append(methodRegistry, func(conn net.Conn) (unsafe.Pointer, *Methods, bool) {
-		tlsConn, loaded := conn.(*tls.Conn)
-		if !loaded {
-			return nil, nil, false
-		}
-		return unsafe.Pointer(tlsConn), &Methods{
-			readRecord:                 stdTLSReadRecord,
-			handlePostHandshakeMessage: stdTLSHandlePostHandshakeMessage,
-			writeRecordLocked:          stdWriteRecordLocked,
-
-			setErrorLocked:   stdSetErrorLocked,
-			decrypt:          stdDecrypt,
-			setTrafficSecret: stdSetTrafficSecret,
-			explicitNonceLen: stdExplicitNonceLen,
-		}, true
-	})
-}
-
-//go:linkname stdTLSReadRecord crypto/tls.(*Conn).readRecord
-func stdTLSReadRecord(c unsafe.Pointer) error
-
-//go:linkname stdTLSHandlePostHandshakeMessage crypto/tls.(*Conn).handlePostHandshakeMessage
-func stdTLSHandlePostHandshakeMessage(c unsafe.Pointer) error
-
-//go:linkname stdWriteRecordLocked crypto/tls.(*Conn).writeRecordLocked
-func stdWriteRecordLocked(c unsafe.Pointer, typ uint16, data []byte) (int, error)
-
-//go:linkname stdSetErrorLocked crypto/tls.(*halfConn).setErrorLocked
-func stdSetErrorLocked(hc unsafe.Pointer, err error) error
-
-//go:linkname stdDecrypt crypto/tls.(*halfConn).decrypt
-func stdDecrypt(hc unsafe.Pointer, record []byte) ([]byte, uint8, error)
-
-//go:linkname stdSetTrafficSecret crypto/tls.(*halfConn).setTrafficSecret
-func stdSetTrafficSecret(hc unsafe.Pointer, suite unsafe.Pointer, level int, secret []byte)
-
-//go:linkname stdExplicitNonceLen crypto/tls.(*halfConn).explicitNonceLen
-func stdExplicitNonceLen(hc unsafe.Pointer) int

common/badtls/registry_utls.go

@@ -1,56 +0,0 @@
-//go:build go1.25 && badlinkname
-
-package badtls
-
-import (
-	"net"
-	"unsafe"
-
-	N "github.com/sagernet/sing/common/network"
-
-	"github.com/metacubex/utls"
-)
-
-func init() {
-	methodRegistry = append(methodRegistry, func(conn net.Conn) (unsafe.Pointer, *Methods, bool) {
-		var pointer unsafe.Pointer
-		if uConn, loaded := N.CastReader[*tls.Conn](conn); loaded {
-			pointer = unsafe.Pointer(uConn)
-		} else if uConn, loaded := N.CastReader[*tls.UConn](conn); loaded {
-			pointer = unsafe.Pointer(uConn.Conn)
-		} else {
-			return nil, nil, false
-		}
-		return pointer, &Methods{
-			readRecord:                 utlsReadRecord,
-			handlePostHandshakeMessage: utlsHandlePostHandshakeMessage,
-			writeRecordLocked:          utlsWriteRecordLocked,
-
-			setErrorLocked:   utlsSetErrorLocked,
-			decrypt:          utlsDecrypt,
-			setTrafficSecret: utlsSetTrafficSecret,
-			explicitNonceLen: utlsExplicitNonceLen,
-		}, true
-	})
-}
-
-//go:linkname utlsReadRecord github.com/metacubex/utls.(*Conn).readRecord
-func utlsReadRecord(c unsafe.Pointer) error
-
-//go:linkname utlsHandlePostHandshakeMessage github.com/metacubex/utls.(*Conn).handlePostHandshakeMessage
-func utlsHandlePostHandshakeMessage(c unsafe.Pointer) error
-
-//go:linkname utlsWriteRecordLocked github.com/metacubex/utls.(*Conn).writeRecordLocked
-func utlsWriteRecordLocked(hc unsafe.Pointer, typ uint16, data []byte) (int, error)
-
-//go:linkname utlsSetErrorLocked github.com/metacubex/utls.(*halfConn).setErrorLocked
-func utlsSetErrorLocked(hc unsafe.Pointer, err error) error
-
-//go:linkname utlsDecrypt github.com/metacubex/utls.(*halfConn).decrypt
-func utlsDecrypt(hc unsafe.Pointer, record []byte) ([]byte, uint8, error)
-
-//go:linkname utlsSetTrafficSecret github.com/metacubex/utls.(*halfConn).setTrafficSecret
-func utlsSetTrafficSecret(hc unsafe.Pointer, suite unsafe.Pointer, level int, secret []byte)
-
-//go:linkname utlsExplicitNonceLen github.com/metacubex/utls.(*halfConn).explicitNonceLen
-func utlsExplicitNonceLen(hc unsafe.Pointer) int

common/badversion/version.go

@@ -5,8 +5,6 @@ import (
 	"strings"
 
 	F "github.com/sagernet/sing/common/format"
-
-	"golang.org/x/mod/semver"
 )
 
 type Version struct {
@@ -18,19 +16,7 @@ type Version struct {
 	PreReleaseVersion    int
 }
 
-func (v Version) LessThan(anotherVersion Version) bool {
+func (v Version) After(anotherVersion Version) bool {
-	return !v.GreaterThanOrEqual(anotherVersion)
-}
-
-func (v Version) LessThanOrEqual(anotherVersion Version) bool {
-	return v == anotherVersion || anotherVersion.GreaterThan(v)
-}
-
-func (v Version) GreaterThanOrEqual(anotherVersion Version) bool {
-	return v == anotherVersion || v.GreaterThan(anotherVersion)
-}
-
-func (v Version) GreaterThan(anotherVersion Version) bool {
 	if v.Major > anotherVersion.Major {
 		return true
 	} else if v.Major < anotherVersion.Major {
@@ -58,29 +44,19 @@ func (v Version) GreaterThan(anotherVersion Version) bool {
 			} else if v.PreReleaseVersion < anotherVersion.PreReleaseVersion {
 				return false
 			}
-		}
+		} else if v.PreReleaseIdentifier == "rc" && anotherVersion.PreReleaseIdentifier == "beta" {
-		preReleaseIdentifier := parsePreReleaseIdentifier(v.PreReleaseIdentifier)
-		anotherPreReleaseIdentifier := parsePreReleaseIdentifier(anotherVersion.PreReleaseIdentifier)
-		if preReleaseIdentifier < anotherPreReleaseIdentifier {
 			return true
-		} else if preReleaseIdentifier > anotherPreReleaseIdentifier {
+		} else if v.PreReleaseIdentifier == "beta" && anotherVersion.PreReleaseIdentifier == "rc" {
+			return false
+		} else if v.PreReleaseIdentifier == "beta" && anotherVersion.PreReleaseIdentifier == "alpha" {
+			return true
+		} else if v.PreReleaseIdentifier == "alpha" && anotherVersion.PreReleaseIdentifier == "beta" {
 			return false
 		}
 	}
 	return false
 }
 
-func parsePreReleaseIdentifier(identifier string) int {
-	if strings.HasPrefix(identifier, "rc") {
-		return 1
-	} else if strings.HasPrefix(identifier, "beta") {
-		return 2
-	} else if strings.HasPrefix(identifier, "alpha") {
-		return 3
-	}
-	return 0
-}
-
 func (v Version) VersionString() string {
 	return F.ToString(v.Major, ".", v.Minor, ".", v.Patch)
 }
@@ -107,10 +83,6 @@ func (v Version) BadString() string {
 	return version
 }
 
-func IsValid(versionName string) bool {
-	return semver.IsValid("v" + versionName)
-}
-
 func Parse(versionName string) (version Version) {
 	if strings.HasPrefix(versionName, "v") {
 		versionName = versionName[1:]

common/badversion/version_test.go

@@ -10,9 +10,9 @@ func TestCompareVersion(t *testing.T) {
 	t.Parallel()
 	require.Equal(t, "1.3.0-beta.1", Parse("v1.3.0-beta1").String())
 	require.Equal(t, "1.3-beta1", Parse("v1.3.0-beta.1").BadString())
-	require.True(t, Parse("1.3.0").GreaterThan(Parse("1.3-beta1")))
+	require.True(t, Parse("1.3.0").After(Parse("1.3-beta1")))
-	require.True(t, Parse("1.3.0").GreaterThan(Parse("1.3.0-beta1")))
+	require.True(t, Parse("1.3.0").After(Parse("1.3.0-beta1")))
-	require.True(t, Parse("1.3.0-beta1").GreaterThan(Parse("1.3.0-alpha1")))
+	require.True(t, Parse("1.3.0-beta1").After(Parse("1.3.0-alpha1")))
-	require.True(t, Parse("1.3.1").GreaterThan(Parse("1.3.0")))
+	require.True(t, Parse("1.3.1").After(Parse("1.3.0")))
-	require.True(t, Parse("1.4").GreaterThan(Parse("1.3")))
+	require.True(t, Parse("1.4").After(Parse("1.3")))
 }

common/certificate/store.go

@@ -7,11 +7,11 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-	"sync"
 
 	"github.com/sagernet/fswatch"
 	"github.com/sagernet/sing-box/adapter"
 	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/experimental/libbox/platform"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/logger"
@@ -21,7 +21,6 @@ import (
 var _ adapter.CertificateStore = (*Store)(nil)
 
 type Store struct {
-	access                    sync.RWMutex
 	systemPool                *x509.CertPool
 	currentPool               *x509.CertPool
 	certificate               string
@@ -35,7 +34,7 @@ func NewStore(ctx context.Context, logger logger.Logger, options option.Certific
 	switch options.Store {
 	case C.CertificateStoreSystem, "":
 		systemPool = x509.NewCertPool()
-		platformInterface := service.FromContext[adapter.PlatformInterface](ctx)
+		platformInterface := service.FromContext[platform.Interface](ctx)
 		var systemValid bool
 		if platformInterface != nil {
 			for _, cert := range platformInterface.SystemCertificates() {
@@ -53,8 +52,6 @@ func NewStore(ctx context.Context, logger logger.Logger, options option.Certific
 		}
 	case C.CertificateStoreMozilla:
 		systemPool = mozillaIncluded
-	case C.CertificateStoreChrome:
-		systemPool = chromeIncluded
 	case C.CertificateStoreNone:
 		systemPool = nil
 	default:
@@ -118,14 +115,10 @@ func (s *Store) Close() error {
 }
 
 func (s *Store) Pool() *x509.CertPool {
-	s.access.RLock()
-	defer s.access.RUnlock()
 	return s.currentPool
 }
 
 func (s *Store) update() error {
-	s.access.Lock()
-	defer s.access.Unlock()
 	var currentPool *x509.CertPool
 	if s.systemPool == nil {
 		currentPool = x509.NewCertPool()

common/conntrack/conn.go

@@ -0,0 +1,54 @@
+package conntrack
+
+import (
+	"io"
+	"net"
+
+	"github.com/sagernet/sing/common/x/list"
+)
+
+type Conn struct {
+	net.Conn
+	element *list.Element[io.Closer]
+}
+
+func NewConn(conn net.Conn) (net.Conn, error) {
+	connAccess.Lock()
+	element := openConnection.PushBack(conn)
+	connAccess.Unlock()
+	if KillerEnabled {
+		err := KillerCheck()
+		if err != nil {
+			conn.Close()
+			return nil, err
+		}
+	}
+	return &Conn{
+		Conn:    conn,
+		element: element,
+	}, nil
+}
+
+func (c *Conn) Close() error {
+	if c.element.Value != nil {
+		connAccess.Lock()
+		if c.element.Value != nil {
+			openConnection.Remove(c.element)
+			c.element.Value = nil
+		}
+		connAccess.Unlock()
+	}
+	return c.Conn.Close()
+}
+
+func (c *Conn) Upstream() any {
+	return c.Conn
+}
+
+func (c *Conn) ReaderReplaceable() bool {
+	return true
+}
+
+func (c *Conn) WriterReplaceable() bool {
+	return true
+}

common/conntrack/killer.go

@@ -0,0 +1,35 @@
+package conntrack
+
+import (
+	runtimeDebug "runtime/debug"
+	"time"
+
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/memory"
+)
+
+var (
+	KillerEnabled   bool
+	MemoryLimit     uint64
+	killerLastCheck time.Time
+)
+
+func KillerCheck() error {
+	if !KillerEnabled {
+		return nil
+	}
+	nowTime := time.Now()
+	if nowTime.Sub(killerLastCheck) < 3*time.Second {
+		return nil
+	}
+	killerLastCheck = nowTime
+	if memory.Total() > MemoryLimit {
+		Close()
+		go func() {
+			time.Sleep(time.Second)
+			runtimeDebug.FreeOSMemory()
+		}()
+		return E.New("out of memory")
+	}
+	return nil
+}

common/conntrack/packet_conn.go

@@ -0,0 +1,55 @@
+package conntrack
+
+import (
+	"io"
+	"net"
+
+	"github.com/sagernet/sing/common/bufio"
+	"github.com/sagernet/sing/common/x/list"
+)
+
+type PacketConn struct {
+	net.PacketConn
+	element *list.Element[io.Closer]
+}
+
+func NewPacketConn(conn net.PacketConn) (net.PacketConn, error) {
+	connAccess.Lock()
+	element := openConnection.PushBack(conn)
+	connAccess.Unlock()
+	if KillerEnabled {
+		err := KillerCheck()
+		if err != nil {
+			conn.Close()
+			return nil, err
+		}
+	}
+	return &PacketConn{
+		PacketConn: conn,
+		element:    element,
+	}, nil
+}
+
+func (c *PacketConn) Close() error {
+	if c.element.Value != nil {
+		connAccess.Lock()
+		if c.element.Value != nil {
+			openConnection.Remove(c.element)
+			c.element.Value = nil
+		}
+		connAccess.Unlock()
+	}
+	return c.PacketConn.Close()
+}
+
+func (c *PacketConn) Upstream() any {
+	return bufio.NewPacketConn(c.PacketConn)
+}
+
+func (c *PacketConn) ReaderReplaceable() bool {
+	return true
+}
+
+func (c *PacketConn) WriterReplaceable() bool {
+	return true
+}

common/conntrack/track.go

@@ -0,0 +1,47 @@
+package conntrack
+
+import (
+	"io"
+	"sync"
+
+	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/x/list"
+)
+
+var (
+	connAccess     sync.RWMutex
+	openConnection list.List[io.Closer]
+)
+
+func Count() int {
+	if !Enabled {
+		return 0
+	}
+	return openConnection.Len()
+}
+
+func List() []io.Closer {
+	if !Enabled {
+		return nil
+	}
+	connAccess.RLock()
+	defer connAccess.RUnlock()
+	connList := make([]io.Closer, 0, openConnection.Len())
+	for element := openConnection.Front(); element != nil; element = element.Next() {
+		connList = append(connList, element.Value)
+	}
+	return connList
+}
+
+func Close() {
+	if !Enabled {
+		return
+	}
+	connAccess.Lock()
+	defer connAccess.Unlock()
+	for element := openConnection.Front(); element != nil; element = element.Next() {
+		common.Close(element.Value)
+		element.Value = nil
+	}
+	openConnection.Init()
+}

common/conntrack/track_disable.go

@@ -0,0 +1,5 @@
+//go:build !with_conntrack
+
+package conntrack
+
+const Enabled = false

common/conntrack/track_enable.go

@@ -0,0 +1,5 @@
+//go:build with_conntrack
+
+package conntrack
+
+const Enabled = true

common/convertor/adguard/convertor.go

@@ -454,5 +454,5 @@ func parseADGuardIPCIDRLine(ruleLine string) (netip.Prefix, error) {
 	for len(ruleParts) < 4 {
 		ruleParts = append(ruleParts, 0)
 	}
-	return netip.PrefixFrom(netip.AddrFrom4([4]byte(ruleParts)), bitLen), nil
+	return netip.PrefixFrom(netip.AddrFrom4(*(*[4]byte)(ruleParts)), bitLen), nil
 }

common/dialer/default.go

@@ -9,17 +9,18 @@ import (
 	"time"
 
 	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/common/conntrack"
 	"github.com/sagernet/sing-box/common/listener"
 	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-box/experimental/libbox/platform"
 	"github.com/sagernet/sing-box/option"
 	"github.com/sagernet/sing/common"
+	"github.com/sagernet/sing/common/atomic"
 	"github.com/sagernet/sing/common/control"
 	E "github.com/sagernet/sing/common/exceptions"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/service"
-
-	"github.com/database64128/tfo-go/v2"
 )
 
 var (
@@ -28,28 +29,26 @@ var (
 )
 
 type DefaultDialer struct {
-	dialer4                tfo.Dialer
+	dialer4                tcpDialer
-	dialer6                tfo.Dialer
+	dialer6                tcpDialer
 	udpDialer4             net.Dialer
 	udpDialer6             net.Dialer
 	udpListener            net.ListenConfig
 	udpAddr4               string
 	udpAddr6               string
 	netns                  string
-	connectionManager      adapter.ConnectionManager
 	networkManager         adapter.NetworkManager
 	networkStrategy        *C.NetworkStrategy
 	defaultNetworkStrategy bool
 	networkType            []C.InterfaceType
 	fallbackNetworkType    []C.InterfaceType
 	networkFallbackDelay   time.Duration
-	networkLastFallback    common.TypedValue[time.Time]
+	networkLastFallback    atomic.TypedValue[time.Time]
 }
 
 func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDialer, error) {
-	connectionManager := service.FromContext[adapter.ConnectionManager](ctx)
 	networkManager := service.FromContext[adapter.NetworkManager](ctx)
-	platformInterface := service.FromContext[adapter.PlatformInterface](ctx)
+	platformInterface := service.FromContext[platform.Interface](ctx)
 
 	var (
 		dialer                 net.Dialer
@@ -90,35 +89,37 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 
 	if networkManager != nil {
 		defaultOptions := networkManager.DefaultOptions()
-		if defaultOptions.BindInterface != "" && !disableDefaultBind {
+		if !disableDefaultBind {
-			bindFunc := control.BindToInterface(networkManager.InterfaceFinder(), defaultOptions.BindInterface, -1)
+			if defaultOptions.BindInterface != "" {
-			dialer.Control = control.Append(dialer.Control, bindFunc)
+				bindFunc := control.BindToInterface(networkManager.InterfaceFinder(), defaultOptions.BindInterface, -1)
-			listener.Control = control.Append(listener.Control, bindFunc)
-		} else if networkManager.AutoDetectInterface() && !disableDefaultBind {
-			if platformInterface != nil {
-				networkStrategy = (*C.NetworkStrategy)(options.NetworkStrategy)
-				networkType = common.Map(options.NetworkType, option.InterfaceType.Build)
-				fallbackNetworkType = common.Map(options.FallbackNetworkType, option.InterfaceType.Build)
-				if networkStrategy == nil && len(networkType) == 0 && len(fallbackNetworkType) == 0 {
-					networkStrategy = defaultOptions.NetworkStrategy
-					networkType = defaultOptions.NetworkType
-					fallbackNetworkType = defaultOptions.FallbackNetworkType
-				}
-				networkFallbackDelay = time.Duration(options.FallbackDelay)
-				if networkFallbackDelay == 0 && defaultOptions.FallbackDelay != 0 {
-					networkFallbackDelay = defaultOptions.FallbackDelay
-				}
-				if networkStrategy == nil {
-					networkStrategy = common.Ptr(C.NetworkStrategyDefault)
-					defaultNetworkStrategy = true
-				}
-				bindFunc := networkManager.ProtectFunc()
-				dialer.Control = control.Append(dialer.Control, bindFunc)
-				listener.Control = control.Append(listener.Control, bindFunc)
-			} else {
-				bindFunc := networkManager.AutoDetectInterfaceFunc()
 				dialer.Control = control.Append(dialer.Control, bindFunc)
 				listener.Control = control.Append(listener.Control, bindFunc)
+			} else if networkManager.AutoDetectInterface() {
+				if platformInterface != nil {
+					networkStrategy = (*C.NetworkStrategy)(options.NetworkStrategy)
+					networkType = common.Map(options.NetworkType, option.InterfaceType.Build)
+					fallbackNetworkType = common.Map(options.FallbackNetworkType, option.InterfaceType.Build)
+					if networkStrategy == nil && len(networkType) == 0 && len(fallbackNetworkType) == 0 {
+						networkStrategy = defaultOptions.NetworkStrategy
+						networkType = defaultOptions.NetworkType
+						fallbackNetworkType = defaultOptions.FallbackNetworkType
+					}
+					networkFallbackDelay = time.Duration(options.FallbackDelay)
+					if networkFallbackDelay == 0 && defaultOptions.FallbackDelay != 0 {
+						networkFallbackDelay = defaultOptions.FallbackDelay
+					}
+					if networkStrategy == nil {
+						networkStrategy = common.Ptr(C.NetworkStrategyDefault)
+						defaultNetworkStrategy = true
+					}
+					bindFunc := networkManager.ProtectFunc()
+					dialer.Control = control.Append(dialer.Control, bindFunc)
+					listener.Control = control.Append(listener.Control, bindFunc)
+				} else {
+					bindFunc := networkManager.AutoDetectInterfaceFunc()
+					dialer.Control = control.Append(dialer.Control, bindFunc)
+					listener.Control = control.Append(listener.Control, bindFunc)
+				}
 			}
 		}
 		if options.RoutingMark == 0 && defaultOptions.RoutingMark != 0 {
@@ -126,11 +127,6 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 			listener.Control = control.Append(listener.Control, setMarkWrapper(networkManager, defaultOptions.RoutingMark, true))
 		}
 	}
-	if networkManager != nil {
-		markFunc := networkManager.AutoRedirectOutputMarkFunc()
-		dialer.Control = control.Append(dialer.Control, markFunc)
-		listener.Control = control.Append(listener.Control, markFunc)
-	}
 	if options.ReuseAddr {
 		listener.Control = control.Append(listener.Control, control.ReuseAddr())
 	}
@@ -138,32 +134,14 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 		dialer.Control = control.Append(dialer.Control, control.ProtectPath(options.ProtectPath))
 		listener.Control = control.Append(listener.Control, control.ProtectPath(options.ProtectPath))
 	}
-	if options.BindAddressNoPort {
-		if !C.IsLinux {
-			return nil, E.New("`bind_address_no_port` is only supported on Linux")
-		}
-		dialer.Control = control.Append(dialer.Control, control.BindAddressNoPort())
-	}
 	if options.ConnectTimeout != 0 {
 		dialer.Timeout = time.Duration(options.ConnectTimeout)
 	} else {
 		dialer.Timeout = C.TCPConnectTimeout
 	}
-	if !options.DisableTCPKeepAlive {
+	// TODO: Add an option to customize the keep alive period
-		keepIdle := time.Duration(options.TCPKeepAlive)
+	dialer.KeepAlive = C.TCPKeepAliveInitial
-		if keepIdle == 0 {
+	dialer.Control = control.Append(dialer.Control, control.SetKeepAlivePeriod(C.TCPKeepAliveInitial, C.TCPKeepAliveInterval))
-			keepIdle = C.TCPKeepAliveInitial
-		}
-		keepInterval := time.Duration(options.TCPKeepAliveInterval)
-		if keepInterval == 0 {
-			keepInterval = C.TCPKeepAliveInterval
-		}
-		dialer.KeepAliveConfig = net.KeepAliveConfig{
-			Enable:   true,
-			Idle:     keepIdle,
-			Interval: keepInterval,
-		}
-	}
 	var udpFragment bool
 	if options.UDPFragment != nil {
 		udpFragment = *options.UDPFragment
@@ -197,10 +175,19 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 		udpAddr6 = M.SocksaddrFrom(bindAddr, 0).String()
 	}
 	if options.TCPMultiPath {
-		dialer4.SetMultipathTCP(true)
+		if !go121Available {
+			return nil, E.New("MultiPath TCP requires go1.21, please recompile your binary.")
+		}
+		setMultiPathTCP(&dialer4)
+	}
+	tcpDialer4, err := newTCPDialer(dialer4, options.TCPFastOpen)
+	if err != nil {
+		return nil, err
+	}
+	tcpDialer6, err := newTCPDialer(dialer6, options.TCPFastOpen)
+	if err != nil {
+		return nil, err
 	}
-	tcpDialer4 := tfo.Dialer{Dialer: dialer4, DisableTFO: !options.TCPFastOpen}
-	tcpDialer6 := tfo.Dialer{Dialer: dialer6, DisableTFO: !options.TCPFastOpen}
 	return &DefaultDialer{
 		dialer4:                tcpDialer4,
 		dialer6:                tcpDialer6,
@@ -210,7 +197,6 @@ func NewDefault(ctx context.Context, options option.DialerOptions) (*DefaultDial
 		udpAddr4:               udpAddr4,
 		udpAddr6:               udpAddr6,
 		netns:                  options.NetNs,
-		connectionManager:      connectionManager,
 		networkManager:         networkManager,
 		networkStrategy:        networkStrategy,
 		defaultNetworkStrategy: defaultNetworkStrategy,
@@ -239,11 +225,11 @@ func setMarkWrapper(networkManager adapter.NetworkManager, mark uint32, isDefaul
 func (d *DefaultDialer) DialContext(ctx context.Context, network string, address M.Socksaddr) (net.Conn, error) {
 	if !address.IsValid() {
 		return nil, E.New("invalid address")
-	} else if address.IsDomain() {
+	} else if address.IsFqdn() {
 		return nil, E.New("domain not resolved")
 	}
 	if d.networkStrategy == nil {
-		return d.trackConn(listener.ListenNetworkNamespace[net.Conn](d.netns, func() (net.Conn, error) {
+		return trackConn(listener.ListenNetworkNamespace[net.Conn](d.netns, func() (net.Conn, error) {
 			switch N.NetworkName(network) {
 			case N.NetworkUDP:
 				if !address.IsIPv6() {
@@ -281,11 +267,11 @@ func (d *DefaultDialer) DialParallelInterface(ctx context.Context, network strin
 	}
 	var dialer net.Dialer
 	if N.NetworkName(network) == N.NetworkTCP {
-		dialer = d.dialer4.Dialer
+		dialer = dialerFromTCPDialer(d.dialer4)
 	} else {
 		dialer = d.udpDialer4
 	}
-	fastFallback := time.Since(d.networkLastFallback.Load()) < C.TCPTimeout
+	fastFallback := time.Now().Sub(d.networkLastFallback.Load()) < C.TCPTimeout
 	var (
 		conn      net.Conn
 		isPrimary bool
@@ -308,12 +294,12 @@ func (d *DefaultDialer) DialParallelInterface(ctx context.Context, network strin
 	if !fastFallback && !isPrimary {
 		d.networkLastFallback.Store(time.Now())
 	}
-	return d.trackConn(conn, nil)
+	return trackConn(conn, nil)
 }
 
 func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
 	if d.networkStrategy == nil {
-		return d.trackPacketConn(listener.ListenNetworkNamespace[net.PacketConn](d.netns, func() (net.PacketConn, error) {
+		return trackPacketConn(listener.ListenNetworkNamespace[net.PacketConn](d.netns, func() (net.PacketConn, error) {
 			if destination.IsIPv6() {
 				return d.udpListener.ListenPacket(ctx, N.NetworkUDP, d.udpAddr6)
 			} else if destination.IsIPv4() && !destination.Addr.IsUnspecified() {
@@ -327,14 +313,6 @@ func (d *DefaultDialer) ListenPacket(ctx context.Context, destination M.Socksadd
 	}
 }
 
-func (d *DefaultDialer) DialerForICMPDestination(destination netip.Addr) net.Dialer {
-	if !destination.Is6() {
-		return d.dialer4.Dialer
-	} else {
-		return d.dialer6.Dialer
-	}
-}
-
 func (d *DefaultDialer) ListenSerialInterfacePacket(ctx context.Context, destination M.Socksaddr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.PacketConn, error) {
 	if strategy == nil {
 		strategy = d.networkStrategy
@@ -365,23 +343,33 @@ func (d *DefaultDialer) ListenSerialInterfacePacket(ctx context.Context, destina
 			return nil, err
 		}
 	}
-	return d.trackPacketConn(packetConn, nil)
+	return trackPacketConn(packetConn, nil)
 }
 
-func (d *DefaultDialer) WireGuardControl() control.Func {
+func (d *DefaultDialer) ListenPacketCompat(network, address string) (net.PacketConn, error) {
-	return d.udpListener.Control
+	udpListener := d.udpListener
+	udpListener.Control = control.Append(udpListener.Control, func(network, address string, conn syscall.RawConn) error {
+		for _, wgControlFn := range WgControlFns {
+			err := wgControlFn(network, address, conn)
+			if err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+	return udpListener.ListenPacket(context.Background(), network, address)
 }
 
-func (d *DefaultDialer) trackConn(conn net.Conn, err error) (net.Conn, error) {
+func trackConn(conn net.Conn, err error) (net.Conn, error) {
-	if d.connectionManager == nil || err != nil {
+	if !conntrack.Enabled || err != nil {
 		return conn, err
 	}
-	return d.connectionManager.TrackConn(conn), nil
+	return conntrack.NewConn(conn)
 }
 
-func (d *DefaultDialer) trackPacketConn(conn net.PacketConn, err error) (net.PacketConn, error) {
+func trackPacketConn(conn net.PacketConn, err error) (net.PacketConn, error) {
-	if d.connectionManager == nil || err != nil {
+	if !conntrack.Enabled || err != nil {
 		return conn, err
 	}
-	return d.connectionManager.TrackPacketConn(conn), nil
+	return conntrack.NewPacketConn(conn)
 }

common/dialer/default_go1.20.go

@@ -0,0 +1,19 @@
+//go:build go1.20
+
+package dialer
+
+import (
+	"net"
+
+	"github.com/metacubex/tfo-go"
+)
+
+type tcpDialer = tfo.Dialer
+
+func newTCPDialer(dialer net.Dialer, tfoEnabled bool) (tcpDialer, error) {
+	return tfo.Dialer{Dialer: dialer, DisableTFO: !tfoEnabled}, nil
+}
+
+func dialerFromTCPDialer(dialer tcpDialer) net.Dialer {
+	return dialer.Dialer
+}

common/dialer/default_go1.21.go

@@ -0,0 +1,11 @@
+//go:build go1.21
+
+package dialer
+
+import "net"
+
+const go121Available = true
+
+func setMultiPathTCP(dialer *net.Dialer) {
+	dialer.SetMultipathTCP(true)
+}

common/dialer/default_nongo1.20.go

@@ -0,0 +1,22 @@
+//go:build !go1.20
+
+package dialer
+
+import (
+	"net"
+
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+type tcpDialer = net.Dialer
+
+func newTCPDialer(dialer net.Dialer, tfoEnabled bool) (tcpDialer, error) {
+	if tfoEnabled {
+		return dialer, E.New("TCP Fast Open requires go1.20, please recompile your binary.")
+	}
+	return dialer, nil
+}
+
+func dialerFromTCPDialer(dialer tcpDialer) net.Dialer {
+	return dialer
+}

common/dialer/default_nongo1.21.go

@@ -0,0 +1,12 @@
+//go:build !go1.21
+
+package dialer
+
+import (
+	"net"
+)
+
+const go121Available = false
+
+func setMultiPathTCP(dialer *net.Dialer) {
+}

common/dialer/dialer.go

@@ -89,6 +89,7 @@ func NewWithOptions(options Options) (N.Dialer, error) {
 			dnsQueryOptions = adapter.DNSQueryOptions{
 				Transport:    transport,
 				Strategy:     strategy,
+				Timeout:      time.Duration(dialOptions.DomainResolver.Timeout),
 				DisableCache: dialOptions.DomainResolver.DisableCache,
 				RewriteTTL:   dialOptions.DomainResolver.RewriteTTL,
 				ClientSubnet: dialOptions.DomainResolver.ClientSubnet.Build(netip.Prefix{}),
@@ -111,7 +112,7 @@ func NewWithOptions(options Options) (N.Dialer, error) {
 					dnsQueryOptions.Transport = dnsTransport.Default()
 				} else if options.NewDialer {
 					return nil, E.New("missing domain resolver for domain server address")
-				} else {
+				} else if !options.DirectOutbound {
 					deprecated.Report(options.Context, deprecated.OptionMissingDomainResolver)
 				}
 			}
@@ -145,7 +146,3 @@ type ParallelNetworkDialer interface {
 	DialParallelNetwork(ctx context.Context, network string, destination M.Socksaddr, destinationAddresses []netip.Addr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.Conn, error)
 	ListenSerialNetworkPacket(ctx context.Context, destination M.Socksaddr, destinationAddresses []netip.Addr, strategy *C.NetworkStrategy, interfaceType []C.InterfaceType, fallbackInterfaceType []C.InterfaceType, fallbackDelay time.Duration) (net.PacketConn, netip.Addr, error)
 }
-
-type PacketDialerWithDestination interface {
-	ListenPacketWithDestination(ctx context.Context, destination M.Socksaddr) (net.PacketConn, netip.Addr, error)
-}

common/dialer/resolve.go

@@ -96,7 +96,7 @@ func (d *resolveDialer) DialContext(ctx context.Context, network string, destina
 	if err != nil {
 		return nil, err
 	}
-	if !destination.IsDomain() {
+	if !destination.IsFqdn() {
 		return d.dialer.DialContext(ctx, network, destination)
 	}
 	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
@@ -116,7 +116,7 @@ func (d *resolveDialer) ListenPacket(ctx context.Context, destination M.Socksadd
 	if err != nil {
 		return nil, err
 	}
-	if !destination.IsDomain() {
+	if !destination.IsFqdn() {
 		return d.dialer.ListenPacket(ctx, destination)
 	}
 	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
@@ -144,7 +144,7 @@ func (d *resolveParallelNetworkDialer) DialParallelInterface(ctx context.Context
 	if err != nil {
 		return nil, err
 	}
-	if !destination.IsDomain() {
+	if !destination.IsFqdn() {
 		return d.dialer.DialContext(ctx, network, destination)
 	}
 	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)
@@ -167,7 +167,7 @@ func (d *resolveParallelNetworkDialer) ListenSerialInterfacePacket(ctx context.C
 	if err != nil {
 		return nil, err
 	}
-	if !destination.IsDomain() {
+	if !destination.IsFqdn() {
 		return d.dialer.ListenPacket(ctx, destination)
 	}
 	ctx = log.ContextWithOverrideLevel(ctx, log.LevelDebug)

common/dialer/tfo.go

@@ -1,3 +1,5 @@
+//go:build go1.20
+
 package dialer
 
 import (
@@ -6,15 +8,13 @@ import (
 	"net"
 	"os"
 	"sync"
-	"sync/atomic"
 	"time"
 
-	"github.com/sagernet/sing/common"
 	"github.com/sagernet/sing/common/bufio"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 
-	"github.com/database64128/tfo-go/v2"
+	"github.com/metacubex/tfo-go"
 )
 
 type slowOpenConn struct {
@@ -22,7 +22,7 @@ type slowOpenConn struct {
 	ctx         context.Context
 	network     string
 	destination M.Socksaddr
-	conn        atomic.Pointer[net.TCPConn]
+	conn        net.Conn
 	create      chan struct{}
 	done        chan struct{}
 	access      sync.Mutex
@@ -30,7 +30,7 @@ type slowOpenConn struct {
 	err         error
 }
 
-func DialSlowContext(dialer *tfo.Dialer, ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+func DialSlowContext(dialer *tcpDialer, ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
 	if dialer.DisableTFO || N.NetworkName(network) != N.NetworkTCP {
 		switch N.NetworkName(network) {
 		case N.NetworkTCP, N.NetworkUDP:
@@ -50,25 +50,22 @@ func DialSlowContext(dialer *tfo.Dialer, ctx context.Context, network string, de
 }
 
 func (c *slowOpenConn) Read(b []byte) (n int, err error) {
-	conn := c.conn.Load()
+	if c.conn == nil {
-	if conn != nil {
+		select {
-		return conn.Read(b)
+		case <-c.create:
-	}
+			if c.err != nil {
-	select {
+				return 0, c.err
-	case <-c.create:
+			}
-		if c.err != nil {
+		case <-c.done:
-			return 0, c.err
+			return 0, os.ErrClosed
 		}
-		return c.conn.Load().Read(b)
-	case <-c.done:
-		return 0, os.ErrClosed
 	}
+	return c.conn.Read(b)
 }
 
 func (c *slowOpenConn) Write(b []byte) (n int, err error) {
-	tcpConn := c.conn.Load()
+	if c.conn != nil {
-	if tcpConn != nil {
+		return c.conn.Write(b)
-		return tcpConn.Write(b)
 	}
 	c.access.Lock()
 	defer c.access.Unlock()
@@ -77,7 +74,7 @@ func (c *slowOpenConn) Write(b []byte) (n int, err error) {
 		if c.err != nil {
 			return 0, c.err
 		}
-		return c.conn.Load().Write(b)
+		return c.conn.Write(b)
 	case <-c.done:
 		return 0, os.ErrClosed
 	default:
@@ -86,7 +83,7 @@ func (c *slowOpenConn) Write(b []byte) (n int, err error) {
 	if err != nil {
 		c.err = err
 	} else {
-		c.conn.Store(conn.(*net.TCPConn))
+		c.conn = conn
 	}
 	n = len(b)
 	close(c.create)
@@ -96,77 +93,70 @@ func (c *slowOpenConn) Write(b []byte) (n int, err error) {
 func (c *slowOpenConn) Close() error {
 	c.closeOnce.Do(func() {
 		close(c.done)
-		conn := c.conn.Load()
+		if c.conn != nil {
-		if conn != nil {
+			c.conn.Close()
-			conn.Close()
 		}
 	})
 	return nil
 }
 
 func (c *slowOpenConn) LocalAddr() net.Addr {
-	conn := c.conn.Load()
+	if c.conn == nil {
-	if conn == nil {
 		return M.Socksaddr{}
 	}
-	return conn.LocalAddr()
+	return c.conn.LocalAddr()
 }
 
 func (c *slowOpenConn) RemoteAddr() net.Addr {
-	conn := c.conn.Load()
+	if c.conn == nil {
-	if conn == nil {
 		return M.Socksaddr{}
 	}
-	return conn.RemoteAddr()
+	return c.conn.RemoteAddr()
 }
 
 func (c *slowOpenConn) SetDeadline(t time.Time) error {
-	conn := c.conn.Load()
+	if c.conn == nil {
-	if conn == nil {
 		return os.ErrInvalid
 	}
-	return conn.SetDeadline(t)
+	return c.conn.SetDeadline(t)
 }
 
 func (c *slowOpenConn) SetReadDeadline(t time.Time) error {
-	conn := c.conn.Load()
+	if c.conn == nil {
-	if conn == nil {
 		return os.ErrInvalid
 	}
-	return conn.SetReadDeadline(t)
+	return c.conn.SetReadDeadline(t)
 }
 
 func (c *slowOpenConn) SetWriteDeadline(t time.Time) error {
-	conn := c.conn.Load()
+	if c.conn == nil {
-	if conn == nil {
 		return os.ErrInvalid
 	}
-	return conn.SetWriteDeadline(t)
+	return c.conn.SetWriteDeadline(t)
 }
 
 func (c *slowOpenConn) Upstream() any {
-	return common.PtrOrNil(c.conn.Load())
+	return c.conn
 }
 
 func (c *slowOpenConn) ReaderReplaceable() bool {
-	return c.conn.Load() != nil
+	return c.conn != nil
 }
 
 func (c *slowOpenConn) WriterReplaceable() bool {
-	return c.conn.Load() != nil
+	return c.conn != nil
 }
 
 func (c *slowOpenConn) LazyHeadroom() bool {
-	return c.conn.Load() == nil
+	return c.conn == nil
 }
 
 func (c *slowOpenConn) NeedHandshake() bool {
-	return c.conn.Load() == nil
+	return c.conn == nil
 }
 
 func (c *slowOpenConn) WriteTo(w io.Writer) (n int64, err error) {
-	conn := c.conn.Load()
+	if c.conn == nil {
-	if conn == nil {
 		select {
 		case <-c.create:
 			if c.err != nil {
@@ -176,5 +166,5 @@ func (c *slowOpenConn) WriteTo(w io.Writer) (n int64, err error) {
 			return 0, c.err
 		}
 	}
-	return bufio.Copy(w, c.conn.Load())
+	return bufio.Copy(w, c.conn)
 }

common/dialer/tfo_stub.go

@@ -0,0 +1,20 @@
+//go:build !go1.20
+
+package dialer
+
+import (
+	"context"
+	"net"
+
+	M "github.com/sagernet/sing/common/metadata"
+	N "github.com/sagernet/sing/common/network"
+)
+
+func DialSlowContext(dialer *tcpDialer, ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+	switch N.NetworkName(network) {
+	case N.NetworkTCP, N.NetworkUDP:
+		return dialer.DialContext(ctx, network, destination.String())
+	default:
+		return dialer.DialContext(ctx, network, destination.AddrString())
+	}
+}

common/dialer/wireguard.go

@@ -1,9 +1,13 @@
 package dialer
 
 import (
+	"net"
+
 	"github.com/sagernet/sing/common/control"
 )
 
 type WireGuardListener interface {
-	WireGuardControl() control.Func
+	ListenPacketCompat(network, address string) (net.PacketConn, error)
 }
+
+var WgControlFns []control.Func

common/geosite/compat_test.go

@@ -1,234 +0,0 @@
-package geosite
-
-import (
-	"bufio"
-	"bytes"
-	"encoding/binary"
-	"strings"
-	"testing"
-
-	"github.com/sagernet/sing/common/varbin"
-
-	"github.com/stretchr/testify/require"
-)
-
-// Old implementation using varbin reflection-based serialization
-
-func oldWriteString(writer varbin.Writer, value string) error {
-	//nolint:staticcheck
-	return varbin.Write(writer, binary.BigEndian, value)
-}
-
-func oldWriteItem(writer varbin.Writer, item Item) error {
-	//nolint:staticcheck
-	return varbin.Write(writer, binary.BigEndian, item)
-}
-
-func oldReadString(reader varbin.Reader) (string, error) {
-	//nolint:staticcheck
-	return varbin.ReadValue[string](reader, binary.BigEndian)
-}
-
-func oldReadItem(reader varbin.Reader) (Item, error) {
-	//nolint:staticcheck
-	return varbin.ReadValue[Item](reader, binary.BigEndian)
-}
-
-func TestStringCompat(t *testing.T) {
-	t.Parallel()
-
-	cases := []struct {
-		name  string
-		input string
-	}{
-		{"empty", ""},
-		{"single_char", "a"},
-		{"ascii", "example.com"},
-		{"utf8", "测试域名.中国"},
-		{"special_chars", "\x00\xff\n\t"},
-		{"127_bytes", strings.Repeat("x", 127)},
-		{"128_bytes", strings.Repeat("x", 128)},
-		{"16383_bytes", strings.Repeat("x", 16383)},
-		{"16384_bytes", strings.Repeat("x", 16384)},
-	}
-
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			t.Parallel()
-
-			// Old write
-			var oldBuf bytes.Buffer
-			err := oldWriteString(&oldBuf, tc.input)
-			require.NoError(t, err)
-
-			// New write
-			var newBuf bytes.Buffer
-			err = writeString(&newBuf, tc.input)
-			require.NoError(t, err)
-
-			// Bytes must match
-			require.Equal(t, oldBuf.Bytes(), newBuf.Bytes(),
-				"mismatch for %q\nold: %x\nnew: %x", tc.name, oldBuf.Bytes(), newBuf.Bytes())
-
-			// New write -> old read
-			readBack, err := oldReadString(bufio.NewReader(bytes.NewReader(newBuf.Bytes())))
-			require.NoError(t, err)
-			require.Equal(t, tc.input, readBack)
-
-			// Old write -> new read
-			readBack2, err := readString(bufio.NewReader(bytes.NewReader(oldBuf.Bytes())))
-			require.NoError(t, err)
-			require.Equal(t, tc.input, readBack2)
-		})
-	}
-}
-
-func TestItemCompat(t *testing.T) {
-	t.Parallel()
-
-	// Note: varbin.Write has a bug where struct values (not pointers) don't write their fields
-	// because field.CanSet() returns false for non-addressable values.
-	// The old geosite code passed Item values to varbin.Write, which silently wrote nothing.
-	// The new code correctly writes Type + Value using manual serialization.
-	// This test verifies the new serialization format and round-trip correctness.
-
-	cases := []struct {
-		name  string
-		input Item
-	}{
-		{"domain_empty", Item{Type: RuleTypeDomain, Value: ""}},
-		{"domain_normal", Item{Type: RuleTypeDomain, Value: "example.com"}},
-		{"domain_suffix", Item{Type: RuleTypeDomainSuffix, Value: ".example.com"}},
-		{"domain_keyword", Item{Type: RuleTypeDomainKeyword, Value: "google"}},
-		{"domain_regex", Item{Type: RuleTypeDomainRegex, Value: `^.*\.example\.com$`}},
-		{"utf8_domain", Item{Type: RuleTypeDomain, Value: "测试.com"}},
-		{"long_domain", Item{Type: RuleTypeDomainSuffix, Value: strings.Repeat("a", 200) + ".com"}},
-		{"128_bytes_value", Item{Type: RuleTypeDomain, Value: strings.Repeat("x", 128)}},
-	}
-
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			t.Parallel()
-
-			// New write
-			var newBuf bytes.Buffer
-			err := newBuf.WriteByte(byte(tc.input.Type))
-			require.NoError(t, err)
-			err = writeString(&newBuf, tc.input.Value)
-			require.NoError(t, err)
-
-			// Verify format: Type (1 byte) + Value (uvarint len + bytes)
-			require.True(t, len(newBuf.Bytes()) >= 1, "output too short")
-			require.Equal(t, byte(tc.input.Type), newBuf.Bytes()[0], "type byte mismatch")
-
-			// New write -> old read (varbin can read correctly when given addressable target)
-			readBack, err := oldReadItem(bufio.NewReader(bytes.NewReader(newBuf.Bytes())))
-			require.NoError(t, err)
-			require.Equal(t, tc.input, readBack)
-
-			// New write -> new read
-			reader := bufio.NewReader(bytes.NewReader(newBuf.Bytes()))
-			typeByte, err := reader.ReadByte()
-			require.NoError(t, err)
-			value, err := readString(reader)
-			require.NoError(t, err)
-			require.Equal(t, tc.input, Item{Type: ItemType(typeByte), Value: value})
-		})
-	}
-}
-
-func TestGeositeWriteReadCompat(t *testing.T) {
-	t.Parallel()
-
-	cases := []struct {
-		name  string
-		input map[string][]Item
-	}{
-		{
-			"empty_map",
-			map[string][]Item{},
-		},
-		{
-			"single_code_empty_items",
-			map[string][]Item{"test": {}},
-		},
-		{
-			"single_code_single_item",
-			map[string][]Item{"test": {{Type: RuleTypeDomain, Value: "a.com"}}},
-		},
-		{
-			"single_code_multi_items",
-			map[string][]Item{
-				"test": {
-					{Type: RuleTypeDomain, Value: "a.com"},
-					{Type: RuleTypeDomainSuffix, Value: ".b.com"},
-					{Type: RuleTypeDomainKeyword, Value: "keyword"},
-					{Type: RuleTypeDomainRegex, Value: `^.*$`},
-				},
-			},
-		},
-		{
-			"multi_code",
-			map[string][]Item{
-				"cn": {{Type: RuleTypeDomain, Value: "baidu.com"}, {Type: RuleTypeDomainSuffix, Value: ".cn"}},
-				"us": {{Type: RuleTypeDomain, Value: "google.com"}},
-				"jp": {{Type: RuleTypeDomainSuffix, Value: ".jp"}},
-			},
-		},
-		{
-			"utf8_values",
-			map[string][]Item{
-				"test": {
-					{Type: RuleTypeDomain, Value: "测试.中国"},
-					{Type: RuleTypeDomainSuffix, Value: ".テスト"},
-				},
-			},
-		},
-		{
-			"large_items",
-			generateLargeItems(1000),
-		},
-	}
-
-	for _, tc := range cases {
-		t.Run(tc.name, func(t *testing.T) {
-			t.Parallel()
-
-			// Write using new implementation
-			var buf bytes.Buffer
-			err := Write(&buf, tc.input)
-			require.NoError(t, err)
-
-			// Read back and verify
-			reader, codes, err := NewReader(bytes.NewReader(buf.Bytes()))
-			require.NoError(t, err)
-
-			// Verify all codes exist
-			codeSet := make(map[string]bool)
-			for _, code := range codes {
-				codeSet[code] = true
-			}
-			for code := range tc.input {
-				require.True(t, codeSet[code], "missing code: %s", code)
-			}
-
-			// Verify items match
-			for code, expectedItems := range tc.input {
-				items, err := reader.Read(code)
-				require.NoError(t, err)
-				require.Equal(t, expectedItems, items, "items mismatch for code: %s", code)
-			}
-		})
-	}
-}
-
-func generateLargeItems(count int) map[string][]Item {
-	items := make([]Item, count)
-	for i := 0; i < count; i++ {
-		items[i] = Item{
-			Type:  ItemType(i % 4),
-			Value: strings.Repeat("x", i%200) + ".com",
-		}
-	}
-	return map[string][]Item{"large": items}
-}

common/geosite/reader.go

@@ -9,6 +9,7 @@ import (
 	"sync/atomic"
 
 	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/varbin"
 )
 
 type Reader struct {
@@ -77,7 +78,7 @@ func (r *Reader) readMetadata() error {
 			codeIndex  uint64
 			codeLength uint64
 		)
-		code, err = readString(reader)
+		code, err = varbin.ReadValue[string](reader, binary.BigEndian)
 		if err != nil {
 			return err
 		}
@@ -111,16 +112,9 @@ func (r *Reader) Read(code string) ([]Item, error) {
 	}
 	r.bufferedReader.Reset(r.reader)
 	itemList := make([]Item, r.domainLength[code])
-	for i := range itemList {
+	err = varbin.Read(r.bufferedReader, binary.BigEndian, &itemList)
-		typeByte, err := r.bufferedReader.ReadByte()
+	if err != nil {
-		if err != nil {
+		return nil, err
-			return nil, err
-		}
-		itemList[i].Type = ItemType(typeByte)
-		itemList[i].Value, err = readString(r.bufferedReader)
-		if err != nil {
-			return nil, err
-		}
 	}
 	return itemList, nil
 }
@@ -141,18 +135,3 @@ func (r *readCounter) Read(p []byte) (n int, err error) {
 	}
 	return
 }
-
-func readString(reader io.ByteReader) (string, error) {
-	length, err := binary.ReadUvarint(reader)
-	if err != nil {
-		return "", err
-	}
-	bytes := make([]byte, length)
-	for i := range bytes {
-		bytes[i], err = reader.ReadByte()
-		if err != nil {
-			return "", err
-		}
-	}
-	return string(bytes), nil
-}

common/geosite/writer.go

@@ -2,6 +2,7 @@ package geosite
 
 import (
 	"bytes"
+	"encoding/binary"
 	"sort"
 
 	"github.com/sagernet/sing/common/varbin"
@@ -19,11 +20,7 @@ func Write(writer varbin.Writer, domains map[string][]Item) error {
 	for _, code := range keys {
 		index[code] = content.Len()
 		for _, item := range domains[code] {
-			err := content.WriteByte(byte(item.Type))
+			err := varbin.Write(content, binary.BigEndian, item)
-			if err != nil {
-				return err
-			}
-			err = writeString(content, item.Value)
 			if err != nil {
 				return err
 			}
@@ -41,7 +38,7 @@ func Write(writer varbin.Writer, domains map[string][]Item) error {
 	}
 
 	for _, code := range keys {
-		err = writeString(writer, code)
+		err = varbin.Write(writer, binary.BigEndian, code)
 		if err != nil {
 			return err
 		}
@@ -62,12 +59,3 @@ func Write(writer varbin.Writer, domains map[string][]Item) error {
 
 	return nil
 }
-
-func writeString(writer varbin.Writer, value string) error {
-	_, err := varbin.WriteUvarint(writer, uint64(len(value)))
-	if err != nil {
-		return err
-	}
-	_, err = writer.Write([]byte(value))
-	return err
-}

common/ktls/ktls.go

@@ -1,133 +0,0 @@
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import (
-	"bytes"
-	"context"
-	"crypto/tls"
-	"errors"
-	"io"
-	"net"
-	"os"
-	"syscall"
-
-	"github.com/sagernet/sing-box/common/badtls"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
-	N "github.com/sagernet/sing/common/network"
-	aTLS "github.com/sagernet/sing/common/tls"
-
-	"golang.org/x/sys/unix"
-)
-
-type Conn struct {
-	aTLS.Conn
-	ctx             context.Context
-	logger          logger.ContextLogger
-	conn            net.Conn
-	rawConn         *badtls.RawConn
-	syscallConn     syscall.Conn
-	rawSyscallConn  syscall.RawConn
-	readWaitOptions N.ReadWaitOptions
-	kernelTx        bool
-	kernelRx        bool
-	pendingRxSplice bool
-}
-
-func NewConn(ctx context.Context, logger logger.ContextLogger, conn aTLS.Conn, txOffload, rxOffload bool) (aTLS.Conn, error) {
-	err := Load()
-	if err != nil {
-		return nil, err
-	}
-	syscallConn, isSyscallConn := N.CastReader[interface {
-		io.Reader
-		syscall.Conn
-	}](conn.NetConn())
-	if !isSyscallConn {
-		return nil, os.ErrInvalid
-	}
-	rawSyscallConn, err := syscallConn.SyscallConn()
-	if err != nil {
-		return nil, err
-	}
-	rawConn, err := badtls.NewRawConn(conn)
-	if err != nil {
-		return nil, err
-	}
-	if *rawConn.Vers != tls.VersionTLS13 {
-		return nil, os.ErrInvalid
-	}
-	for rawConn.RawInput.Len() > 0 {
-		err = rawConn.ReadRecord()
-		if err != nil {
-			return nil, err
-		}
-		for rawConn.Hand.Len() > 0 {
-			err = rawConn.HandlePostHandshakeMessage()
-			if err != nil {
-				return nil, E.Cause(err, "handle post-handshake messages")
-			}
-		}
-	}
-	kConn := &Conn{
-		Conn:           conn,
-		ctx:            ctx,
-		logger:         logger,
-		conn:           conn.NetConn(),
-		rawConn:        rawConn,
-		syscallConn:    syscallConn,
-		rawSyscallConn: rawSyscallConn,
-	}
-	err = kConn.setupKernel(txOffload, rxOffload)
-	if err != nil {
-		return nil, err
-	}
-	return kConn, nil
-}
-
-func (c *Conn) Upstream() any {
-	return c.Conn
-}
-
-func (c *Conn) SyscallConnForRead() syscall.RawConn {
-	if !c.kernelRx {
-		return nil
-	}
-	if !*c.rawConn.IsClient {
-		c.logger.WarnContext(c.ctx, "ktls: RX splice is unavailable on the server size, since it will cause an unknown failure")
-		return nil
-	}
-	c.logger.DebugContext(c.ctx, "ktls: RX splice requested")
-	return c.rawSyscallConn
-}
-
-func (c *Conn) HandleSyscallReadError(inputErr error) ([]byte, error) {
-	if errors.Is(inputErr, unix.EINVAL) {
-		c.pendingRxSplice = true
-		err := c.readRecord()
-		if err != nil {
-			return nil, E.Cause(err, "ktls: handle non-application-data record")
-		}
-		var input bytes.Buffer
-		if c.rawConn.Input.Len() > 0 {
-			_, err = c.rawConn.Input.WriteTo(&input)
-			if err != nil {
-				return nil, err
-			}
-		}
-		return input.Bytes(), nil
-	} else if errors.Is(inputErr, unix.EBADMSG) {
-		return nil, c.rawConn.In.SetErrorLocked(c.sendAlert(alertBadRecordMAC))
-	} else {
-		return nil, E.Cause(inputErr, "ktls: unexpected errno")
-	}
-}
-
-func (c *Conn) SyscallConnForWrite() syscall.RawConn {
-	if !c.kernelTx {
-		return nil
-	}
-	c.logger.DebugContext(c.ctx, "ktls: TX splice requested")
-	return c.rawSyscallConn
-}

common/ktls/ktls_alert.go

@@ -1,80 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import (
-	"crypto/tls"
-	"net"
-)
-
-const (
-	// alert level
-	alertLevelWarning = 1
-	alertLevelError   = 2
-)
-
-const (
-	alertCloseNotify                  = 0
-	alertUnexpectedMessage            = 10
-	alertBadRecordMAC                 = 20
-	alertDecryptionFailed             = 21
-	alertRecordOverflow               = 22
-	alertDecompressionFailure         = 30
-	alertHandshakeFailure             = 40
-	alertBadCertificate               = 42
-	alertUnsupportedCertificate       = 43
-	alertCertificateRevoked           = 44
-	alertCertificateExpired           = 45
-	alertCertificateUnknown           = 46
-	alertIllegalParameter             = 47
-	alertUnknownCA                    = 48
-	alertAccessDenied                 = 49
-	alertDecodeError                  = 50
-	alertDecryptError                 = 51
-	alertExportRestriction            = 60
-	alertProtocolVersion              = 70
-	alertInsufficientSecurity         = 71
-	alertInternalError                = 80
-	alertInappropriateFallback        = 86
-	alertUserCanceled                 = 90
-	alertNoRenegotiation              = 100
-	alertMissingExtension             = 109
-	alertUnsupportedExtension         = 110
-	alertCertificateUnobtainable      = 111
-	alertUnrecognizedName             = 112
-	alertBadCertificateStatusResponse = 113
-	alertBadCertificateHashValue      = 114
-	alertUnknownPSKIdentity           = 115
-	alertCertificateRequired          = 116
-	alertNoApplicationProtocol        = 120
-	alertECHRequired                  = 121
-)
-
-func (c *Conn) sendAlertLocked(err uint8) error {
-	switch err {
-	case alertNoRenegotiation, alertCloseNotify:
-		c.rawConn.Tmp[0] = alertLevelWarning
-	default:
-		c.rawConn.Tmp[0] = alertLevelError
-	}
-	c.rawConn.Tmp[1] = byte(err)
-
-	_, writeErr := c.writeRecordLocked(recordTypeAlert, c.rawConn.Tmp[0:2])
-	if err == alertCloseNotify {
-		// closeNotify is a special case in that it isn't an error.
-		return writeErr
-	}
-
-	return c.rawConn.Out.SetErrorLocked(&net.OpError{Op: "local error", Err: tls.AlertError(err)})
-}
-
-// sendAlert sends a TLS alert message.
-func (c *Conn) sendAlert(err uint8) error {
-	c.rawConn.Out.Lock()
-	defer c.rawConn.Out.Unlock()
-	return c.sendAlertLocked(err)
-}

common/ktls/ktls_cipher_suites_linux.go

@@ -1,326 +0,0 @@
-// Copyright 2010 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import (
-	"crypto/tls"
-	"unsafe"
-
-	"github.com/sagernet/sing-box/common/badtls"
-)
-
-type kernelCryptoCipherType uint16
-
-const (
-	TLS_CIPHER_AES_GCM_128              kernelCryptoCipherType = 51
-	TLS_CIPHER_AES_GCM_128_IV_SIZE      kernelCryptoCipherType = 8
-	TLS_CIPHER_AES_GCM_128_KEY_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_AES_GCM_128_SALT_SIZE    kernelCryptoCipherType = 4
-	TLS_CIPHER_AES_GCM_128_TAG_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	TLS_CIPHER_AES_GCM_256              kernelCryptoCipherType = 52
-	TLS_CIPHER_AES_GCM_256_IV_SIZE      kernelCryptoCipherType = 8
-	TLS_CIPHER_AES_GCM_256_KEY_SIZE     kernelCryptoCipherType = 32
-	TLS_CIPHER_AES_GCM_256_SALT_SIZE    kernelCryptoCipherType = 4
-	TLS_CIPHER_AES_GCM_256_TAG_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	TLS_CIPHER_AES_CCM_128              kernelCryptoCipherType = 53
-	TLS_CIPHER_AES_CCM_128_IV_SIZE      kernelCryptoCipherType = 8
-	TLS_CIPHER_AES_CCM_128_KEY_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_AES_CCM_128_SALT_SIZE    kernelCryptoCipherType = 4
-	TLS_CIPHER_AES_CCM_128_TAG_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	TLS_CIPHER_CHACHA20_POLY1305              kernelCryptoCipherType = 54
-	TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE      kernelCryptoCipherType = 12
-	TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE     kernelCryptoCipherType = 32
-	TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE    kernelCryptoCipherType = 0
-	TLS_CIPHER_CHACHA20_POLY1305_TAG_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	// TLS_CIPHER_SM4_GCM              kernelCryptoCipherType = 55
-	// TLS_CIPHER_SM4_GCM_IV_SIZE      kernelCryptoCipherType = 8
-	// TLS_CIPHER_SM4_GCM_KEY_SIZE     kernelCryptoCipherType = 16
-	// TLS_CIPHER_SM4_GCM_SALT_SIZE    kernelCryptoCipherType = 4
-	// TLS_CIPHER_SM4_GCM_TAG_SIZE     kernelCryptoCipherType = 16
-	// TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	// TLS_CIPHER_SM4_CCM              kernelCryptoCipherType = 56
-	// TLS_CIPHER_SM4_CCM_IV_SIZE      kernelCryptoCipherType = 8
-	// TLS_CIPHER_SM4_CCM_KEY_SIZE     kernelCryptoCipherType = 16
-	// TLS_CIPHER_SM4_CCM_SALT_SIZE    kernelCryptoCipherType = 4
-	// TLS_CIPHER_SM4_CCM_TAG_SIZE     kernelCryptoCipherType = 16
-	// TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	TLS_CIPHER_ARIA_GCM_128              kernelCryptoCipherType = 57
-	TLS_CIPHER_ARIA_GCM_128_IV_SIZE      kernelCryptoCipherType = 8
-	TLS_CIPHER_ARIA_GCM_128_KEY_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_ARIA_GCM_128_SALT_SIZE    kernelCryptoCipherType = 4
-	TLS_CIPHER_ARIA_GCM_128_TAG_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE kernelCryptoCipherType = 8
-
-	TLS_CIPHER_ARIA_GCM_256              kernelCryptoCipherType = 58
-	TLS_CIPHER_ARIA_GCM_256_IV_SIZE      kernelCryptoCipherType = 8
-	TLS_CIPHER_ARIA_GCM_256_KEY_SIZE     kernelCryptoCipherType = 32
-	TLS_CIPHER_ARIA_GCM_256_SALT_SIZE    kernelCryptoCipherType = 4
-	TLS_CIPHER_ARIA_GCM_256_TAG_SIZE     kernelCryptoCipherType = 16
-	TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE kernelCryptoCipherType = 8
-)
-
-type kernelCrypto interface {
-	String() string
-}
-
-type kernelCryptoInfo struct {
-	version     uint16
-	cipher_type kernelCryptoCipherType
-}
-
-var _ kernelCrypto = &kernelCryptoAES128GCM{}
-
-type kernelCryptoAES128GCM struct {
-	kernelCryptoInfo
-	iv      [TLS_CIPHER_AES_GCM_128_IV_SIZE]byte
-	key     [TLS_CIPHER_AES_GCM_128_KEY_SIZE]byte
-	salt    [TLS_CIPHER_AES_GCM_128_SALT_SIZE]byte
-	rec_seq [TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE]byte
-}
-
-func (crypto *kernelCryptoAES128GCM) String() string {
-	crypto.cipher_type = TLS_CIPHER_AES_GCM_128
-	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-}
-
-var _ kernelCrypto = &kernelCryptoAES256GCM{}
-
-type kernelCryptoAES256GCM struct {
-	kernelCryptoInfo
-	iv      [TLS_CIPHER_AES_GCM_256_IV_SIZE]byte
-	key     [TLS_CIPHER_AES_GCM_256_KEY_SIZE]byte
-	salt    [TLS_CIPHER_AES_GCM_256_SALT_SIZE]byte
-	rec_seq [TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE]byte
-}
-
-func (crypto *kernelCryptoAES256GCM) String() string {
-	crypto.cipher_type = TLS_CIPHER_AES_GCM_256
-	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-}
-
-var _ kernelCrypto = &kernelCryptoAES128CCM{}
-
-type kernelCryptoAES128CCM struct {
-	kernelCryptoInfo
-	iv      [TLS_CIPHER_AES_CCM_128_IV_SIZE]byte
-	key     [TLS_CIPHER_AES_CCM_128_KEY_SIZE]byte
-	salt    [TLS_CIPHER_AES_CCM_128_SALT_SIZE]byte
-	rec_seq [TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE]byte
-}
-
-func (crypto *kernelCryptoAES128CCM) String() string {
-	crypto.cipher_type = TLS_CIPHER_AES_CCM_128
-	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-}
-
-var _ kernelCrypto = &kernelCryptoChacha20Poly1035{}
-
-type kernelCryptoChacha20Poly1035 struct {
-	kernelCryptoInfo
-	iv      [TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE]byte
-	key     [TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE]byte
-	salt    [TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE]byte
-	rec_seq [TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE]byte
-}
-
-func (crypto *kernelCryptoChacha20Poly1035) String() string {
-	crypto.cipher_type = TLS_CIPHER_CHACHA20_POLY1305
-	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-}
-
-// var _ kernelCrypto = &kernelCryptoSM4GCM{}
-
-// type kernelCryptoSM4GCM struct {
-// 	kernelCryptoInfo
-// 	iv      [TLS_CIPHER_SM4_GCM_IV_SIZE]byte
-// 	key     [TLS_CIPHER_SM4_GCM_KEY_SIZE]byte
-// 	salt    [TLS_CIPHER_SM4_GCM_SALT_SIZE]byte
-// 	rec_seq [TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE]byte
-// }
-
-// func (crypto *kernelCryptoSM4GCM) String() string {
-// 	crypto.cipher_type = TLS_CIPHER_SM4_GCM
-// 	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-// }
-
-// var _ kernelCrypto = &kernelCryptoSM4CCM{}
-
-// type kernelCryptoSM4CCM struct {
-// 	kernelCryptoInfo
-// 	iv      [TLS_CIPHER_SM4_CCM_IV_SIZE]byte
-// 	key     [TLS_CIPHER_SM4_CCM_KEY_SIZE]byte
-// 	salt    [TLS_CIPHER_SM4_CCM_SALT_SIZE]byte
-// 	rec_seq [TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE]byte
-// }
-
-// func (crypto *kernelCryptoSM4CCM) String() string {
-// 	crypto.cipher_type = TLS_CIPHER_SM4_CCM
-// 	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-// }
-
-var _ kernelCrypto = &kernelCryptoARIA128GCM{}
-
-type kernelCryptoARIA128GCM struct {
-	kernelCryptoInfo
-	iv      [TLS_CIPHER_ARIA_GCM_128_IV_SIZE]byte
-	key     [TLS_CIPHER_ARIA_GCM_128_KEY_SIZE]byte
-	salt    [TLS_CIPHER_ARIA_GCM_128_SALT_SIZE]byte
-	rec_seq [TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE]byte
-}
-
-func (crypto *kernelCryptoARIA128GCM) String() string {
-	crypto.cipher_type = TLS_CIPHER_ARIA_GCM_128
-	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-}
-
-var _ kernelCrypto = &kernelCryptoARIA256GCM{}
-
-type kernelCryptoARIA256GCM struct {
-	kernelCryptoInfo
-	iv      [TLS_CIPHER_ARIA_GCM_256_IV_SIZE]byte
-	key     [TLS_CIPHER_ARIA_GCM_256_KEY_SIZE]byte
-	salt    [TLS_CIPHER_ARIA_GCM_256_SALT_SIZE]byte
-	rec_seq [TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE]byte
-}
-
-func (crypto *kernelCryptoARIA256GCM) String() string {
-	crypto.cipher_type = TLS_CIPHER_ARIA_GCM_256
-	return string((*[unsafe.Sizeof(*crypto)]byte)(unsafe.Pointer(crypto))[:])
-}
-
-func kernelCipher(kernel *Support, hc *badtls.RawHalfConn, cipherSuite uint16, isRX bool) kernelCrypto {
-	if !kernel.TLS {
-		return nil
-	}
-
-	switch *hc.Version {
-	case tls.VersionTLS12:
-		if isRX && !kernel.TLS_Version13_RX {
-			return nil
-		}
-
-	case tls.VersionTLS13:
-		if !kernel.TLS_Version13 {
-			return nil
-		}
-
-		if isRX && !kernel.TLS_Version13_RX {
-			return nil
-		}
-
-	default:
-		return nil
-	}
-
-	var key, iv []byte
-	if *hc.Version == tls.VersionTLS13 {
-		key, iv = trafficKey(cipherSuiteTLS13ByID(cipherSuite), *hc.TrafficSecret)
-		/*if isRX {
-			key, iv = trafficKey(cipherSuiteTLS13ByID(cipherSuite), keyLog.RemoteTrafficSecret)
-		} else {
-			key, iv = trafficKey(cipherSuiteTLS13ByID(cipherSuite), keyLog.TrafficSecret)
-		}*/
-	} else {
-		// csPtr := cipherSuiteByID(cipherSuite)
-		// keysFromMasterSecret(*hc.Version, csPtr, keyLog.Secret, keyLog.Random)
-		return nil
-	}
-
-	switch cipherSuite {
-	case tls.TLS_AES_128_GCM_SHA256, tls.TLS_RSA_WITH_AES_128_GCM_SHA256, tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:
-		crypto := new(kernelCryptoAES128GCM)
-
-		crypto.version = *hc.Version
-		copy(crypto.key[:], key)
-		copy(crypto.iv[:], iv[4:])
-		copy(crypto.salt[:], iv[:4])
-		crypto.rec_seq = *hc.Seq
-
-		return crypto
-	case tls.TLS_AES_256_GCM_SHA384, tls.TLS_RSA_WITH_AES_256_GCM_SHA384, tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384:
-		if !kernel.TLS_AES_256_GCM {
-			return nil
-		}
-
-		crypto := new(kernelCryptoAES256GCM)
-
-		crypto.version = *hc.Version
-		copy(crypto.key[:], key)
-		copy(crypto.iv[:], iv[4:])
-		copy(crypto.salt[:], iv[:4])
-		crypto.rec_seq = *hc.Seq
-
-		return crypto
-	//case tls.TLS_AES_128_CCM_SHA256, tls.TLS_RSA_WITH_AES_128_CCM_SHA256, tls.TLS_ECDHE_ECDSA_WITH_AES_128_CCM_SHA256:
-	//	if !kernel.TLS_AES_128_CCM {
-	//		return nil
-	//	}
-	//
-	//	crypto := new(kernelCryptoAES128CCM)
-	//
-	//	crypto.version = *hc.Version
-	//	copy(crypto.key[:], key)
-	//	copy(crypto.iv[:], iv[4:])
-	//	copy(crypto.salt[:], iv[:4])
-	//	crypto.rec_seq = *hc.Seq
-	//
-	//	return crypto
-	case tls.TLS_CHACHA20_POLY1305_SHA256, tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256, tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256:
-		if !kernel.TLS_CHACHA20_POLY1305 {
-			return nil
-		}
-
-		crypto := new(kernelCryptoChacha20Poly1035)
-
-		crypto.version = *hc.Version
-		copy(crypto.key[:], key)
-		copy(crypto.iv[:], iv)
-		crypto.rec_seq = *hc.Seq
-
-		return crypto
-	//case tls.TLS_RSA_WITH_ARIA_128_GCM_SHA256, tls.TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256, tls.TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256:
-	//	if !kernel.TLS_ARIA_GCM {
-	//		return nil
-	//	}
-	//
-	//	crypto := new(kernelCryptoARIA128GCM)
-	//
-	//	crypto.version = *hc.Version
-	//	copy(crypto.key[:], key)
-	//	copy(crypto.iv[:], iv[4:])
-	//	copy(crypto.salt[:], iv[:4])
-	//	crypto.rec_seq = *hc.Seq
-	//
-	//	return crypto
-	//case tls.TLS_RSA_WITH_ARIA_256_GCM_SHA384, tls.TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384, tls.TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384:
-	//	if !kernel.TLS_ARIA_GCM {
-	//		return nil
-	//	}
-	//
-	//	crypto := new(kernelCryptoARIA256GCM)
-	//
-	//	crypto.version = *hc.Version
-	//	copy(crypto.key[:], key)
-	//	copy(crypto.iv[:], iv[4:])
-	//	copy(crypto.salt[:], iv[:4])
-	//	crypto.rec_seq = *hc.Seq
-	//
-	//	return crypto
-	default:
-		return nil
-	}
-}

common/ktls/ktls_close.go

@@ -1,67 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import (
-	"fmt"
-	"net"
-	"time"
-)
-
-func (c *Conn) Close() error {
-	if !c.kernelTx {
-		return c.Conn.Close()
-	}
-
-	// Interlock with Conn.Write above.
-	var x int32
-	for {
-		x = c.rawConn.ActiveCall.Load()
-		if x&1 != 0 {
-			return net.ErrClosed
-		}
-		if c.rawConn.ActiveCall.CompareAndSwap(x, x|1) {
-			break
-		}
-	}
-	if x != 0 {
-		// io.Writer and io.Closer should not be used concurrently.
-		// If Close is called while a Write is currently in-flight,
-		// interpret that as a sign that this Close is really just
-		// being used to break the Write and/or clean up resources and
-		// avoid sending the alertCloseNotify, which may block
-		// waiting on handshakeMutex or the c.out mutex.
-		return c.conn.Close()
-	}
-
-	var alertErr error
-	if c.rawConn.IsHandshakeComplete.Load() {
-		if err := c.closeNotify(); err != nil {
-			alertErr = fmt.Errorf("tls: failed to send closeNotify alert (but connection was closed anyway): %w", err)
-		}
-	}
-
-	if err := c.conn.Close(); err != nil {
-		return err
-	}
-	return alertErr
-}
-
-func (c *Conn) closeNotify() error {
-	c.rawConn.Out.Lock()
-	defer c.rawConn.Out.Unlock()
-
-	if !*c.rawConn.CloseNotifySent {
-		// Set a Write Deadline to prevent possibly blocking forever.
-		c.SetWriteDeadline(time.Now().Add(time.Second * 5))
-		*c.rawConn.CloseNotifyErr = c.sendAlertLocked(alertCloseNotify)
-		*c.rawConn.CloseNotifySent = true
-		// Any subsequent writes will fail.
-		c.SetWriteDeadline(time.Now())
-	}
-	return *c.rawConn.CloseNotifyErr
-}

common/ktls/ktls_const.go

@@ -1,24 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-const (
-	maxPlaintext               = 16384        // maximum plaintext payload length
-	maxCiphertext              = 16384 + 2048 // maximum ciphertext payload length
-	maxCiphertextTLS13         = 16384 + 256  // maximum ciphertext length in TLS 1.3
-	recordHeaderLen            = 5            // record header length
-	maxHandshake               = 65536        // maximum handshake we support (protocol max is 16 MB)
-	maxHandshakeCertificateMsg = 262144       // maximum certificate message size (256 KiB)
-	maxUselessRecords          = 16           // maximum number of consecutive non-advancing records
-)
-
-const (
-	recordTypeChangeCipherSpec = 20
-	recordTypeAlert            = 21
-	recordTypeHandshake        = 22
-	recordTypeApplicationData  = 23
-)

common/ktls/ktls_handshake_messages.go

@@ -1,238 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import (
-	"fmt"
-
-	"golang.org/x/crypto/cryptobyte"
-)
-
-// The marshalingFunction type is an adapter to allow the use of ordinary
-// functions as cryptobyte.MarshalingValue.
-type marshalingFunction func(b *cryptobyte.Builder) error
-
-func (f marshalingFunction) Marshal(b *cryptobyte.Builder) error {
-	return f(b)
-}
-
-// addBytesWithLength appends a sequence of bytes to the cryptobyte.Builder. If
-// the length of the sequence is not the value specified, it produces an error.
-func addBytesWithLength(b *cryptobyte.Builder, v []byte, n int) {
-	b.AddValue(marshalingFunction(func(b *cryptobyte.Builder) error {
-		if len(v) != n {
-			return fmt.Errorf("invalid value length: expected %d, got %d", n, len(v))
-		}
-		b.AddBytes(v)
-		return nil
-	}))
-}
-
-// addUint64 appends a big-endian, 64-bit value to the cryptobyte.Builder.
-func addUint64(b *cryptobyte.Builder, v uint64) {
-	b.AddUint32(uint32(v >> 32))
-	b.AddUint32(uint32(v))
-}
-
-// readUint64 decodes a big-endian, 64-bit value into out and advances over it.
-// It reports whether the read was successful.
-func readUint64(s *cryptobyte.String, out *uint64) bool {
-	var hi, lo uint32
-	if !s.ReadUint32(&hi) || !s.ReadUint32(&lo) {
-		return false
-	}
-	*out = uint64(hi)<<32 | uint64(lo)
-	return true
-}
-
-// readUint8LengthPrefixed acts like s.ReadUint8LengthPrefixed, but targets a
-// []byte instead of a cryptobyte.String.
-func readUint8LengthPrefixed(s *cryptobyte.String, out *[]byte) bool {
-	return s.ReadUint8LengthPrefixed((*cryptobyte.String)(out))
-}
-
-// readUint16LengthPrefixed acts like s.ReadUint16LengthPrefixed, but targets a
-// []byte instead of a cryptobyte.String.
-func readUint16LengthPrefixed(s *cryptobyte.String, out *[]byte) bool {
-	return s.ReadUint16LengthPrefixed((*cryptobyte.String)(out))
-}
-
-// readUint24LengthPrefixed acts like s.ReadUint24LengthPrefixed, but targets a
-// []byte instead of a cryptobyte.String.
-func readUint24LengthPrefixed(s *cryptobyte.String, out *[]byte) bool {
-	return s.ReadUint24LengthPrefixed((*cryptobyte.String)(out))
-}
-
-type keyUpdateMsg struct {
-	updateRequested bool
-}
-
-func (m *keyUpdateMsg) marshal() ([]byte, error) {
-	var b cryptobyte.Builder
-	b.AddUint8(typeKeyUpdate)
-	b.AddUint24LengthPrefixed(func(b *cryptobyte.Builder) {
-		if m.updateRequested {
-			b.AddUint8(1)
-		} else {
-			b.AddUint8(0)
-		}
-	})
-
-	return b.Bytes()
-}
-
-func (m *keyUpdateMsg) unmarshal(data []byte) bool {
-	s := cryptobyte.String(data)
-
-	var updateRequested uint8
-	if !s.Skip(4) || // message type and uint24 length field
-		!s.ReadUint8(&updateRequested) || !s.Empty() {
-		return false
-	}
-	switch updateRequested {
-	case 0:
-		m.updateRequested = false
-	case 1:
-		m.updateRequested = true
-	default:
-		return false
-	}
-	return true
-}
-
-// TLS handshake message types.
-const (
-	typeHelloRequest          uint8 = 0
-	typeClientHello           uint8 = 1
-	typeServerHello           uint8 = 2
-	typeNewSessionTicket      uint8 = 4
-	typeEndOfEarlyData        uint8 = 5
-	typeEncryptedExtensions   uint8 = 8
-	typeCertificate           uint8 = 11
-	typeServerKeyExchange     uint8 = 12
-	typeCertificateRequest    uint8 = 13
-	typeServerHelloDone       uint8 = 14
-	typeCertificateVerify     uint8 = 15
-	typeClientKeyExchange     uint8 = 16
-	typeFinished              uint8 = 20
-	typeCertificateStatus     uint8 = 22
-	typeKeyUpdate             uint8 = 24
-	typeCompressedCertificate uint8 = 25
-	typeMessageHash           uint8 = 254 // synthetic message
-)
-
-// TLS compression types.
-const (
-	compressionNone uint8 = 0
-)
-
-// TLS extension numbers
-const (
-	extensionServerName              uint16 = 0
-	extensionStatusRequest           uint16 = 5
-	extensionSupportedCurves         uint16 = 10 // supported_groups in TLS 1.3, see RFC 8446, Section 4.2.7
-	extensionSupportedPoints         uint16 = 11
-	extensionSignatureAlgorithms     uint16 = 13
-	extensionALPN                    uint16 = 16
-	extensionSCT                     uint16 = 18
-	extensionPadding                 uint16 = 21
-	extensionExtendedMasterSecret    uint16 = 23
-	extensionCompressCertificate     uint16 = 27 // compress_certificate in TLS 1.3
-	extensionSessionTicket           uint16 = 35
-	extensionPreSharedKey            uint16 = 41
-	extensionEarlyData               uint16 = 42
-	extensionSupportedVersions       uint16 = 43
-	extensionCookie                  uint16 = 44
-	extensionPSKModes                uint16 = 45
-	extensionCertificateAuthorities  uint16 = 47
-	extensionSignatureAlgorithmsCert uint16 = 50
-	extensionKeyShare                uint16 = 51
-	extensionQUICTransportParameters uint16 = 57
-	extensionALPS                    uint16 = 17513
-	extensionRenegotiationInfo       uint16 = 0xff01
-	extensionECHOuterExtensions      uint16 = 0xfd00
-	extensionEncryptedClientHello    uint16 = 0xfe0d
-)
-
-type handshakeMessage interface {
-	marshal() ([]byte, error)
-	unmarshal([]byte) bool
-}
-type newSessionTicketMsgTLS13 struct {
-	lifetime     uint32
-	ageAdd       uint32
-	nonce        []byte
-	label        []byte
-	maxEarlyData uint32
-}
-
-func (m *newSessionTicketMsgTLS13) marshal() ([]byte, error) {
-	var b cryptobyte.Builder
-	b.AddUint8(typeNewSessionTicket)
-	b.AddUint24LengthPrefixed(func(b *cryptobyte.Builder) {
-		b.AddUint32(m.lifetime)
-		b.AddUint32(m.ageAdd)
-		b.AddUint8LengthPrefixed(func(b *cryptobyte.Builder) {
-			b.AddBytes(m.nonce)
-		})
-		b.AddUint16LengthPrefixed(func(b *cryptobyte.Builder) {
-			b.AddBytes(m.label)
-		})
-
-		b.AddUint16LengthPrefixed(func(b *cryptobyte.Builder) {
-			if m.maxEarlyData > 0 {
-				b.AddUint16(extensionEarlyData)
-				b.AddUint16LengthPrefixed(func(b *cryptobyte.Builder) {
-					b.AddUint32(m.maxEarlyData)
-				})
-			}
-		})
-	})
-
-	return b.Bytes()
-}
-
-func (m *newSessionTicketMsgTLS13) unmarshal(data []byte) bool {
-	*m = newSessionTicketMsgTLS13{}
-	s := cryptobyte.String(data)
-
-	var extensions cryptobyte.String
-	if !s.Skip(4) || // message type and uint24 length field
-		!s.ReadUint32(&m.lifetime) ||
-		!s.ReadUint32(&m.ageAdd) ||
-		!readUint8LengthPrefixed(&s, &m.nonce) ||
-		!readUint16LengthPrefixed(&s, &m.label) ||
-		!s.ReadUint16LengthPrefixed(&extensions) ||
-		!s.Empty() {
-		return false
-	}
-
-	for !extensions.Empty() {
-		var extension uint16
-		var extData cryptobyte.String
-		if !extensions.ReadUint16(&extension) ||
-			!extensions.ReadUint16LengthPrefixed(&extData) {
-			return false
-		}
-
-		switch extension {
-		case extensionEarlyData:
-			if !extData.ReadUint32(&m.maxEarlyData) {
-				return false
-			}
-		default:
-			// Ignore unknown extensions.
-			continue
-		}
-
-		if !extData.Empty() {
-			return false
-		}
-	}
-
-	return true
-}

common/ktls/ktls_key_update.go

@@ -1,173 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import (
-	"crypto/tls"
-	"errors"
-	"fmt"
-	"io"
-	"os"
-)
-
-// handlePostHandshakeMessage processes a handshake message arrived after the
-// handshake is complete. Up to TLS 1.2, it indicates the start of a renegotiation.
-func (c *Conn) handlePostHandshakeMessage() error {
-	if *c.rawConn.Vers != tls.VersionTLS13 {
-		return errors.New("ktls: kernel does not support TLS 1.2 renegotiation")
-	}
-
-	msg, err := c.readHandshake(nil)
-	if err != nil {
-		return err
-	}
-	//c.retryCount++
-	//if c.retryCount > maxUselessRecords {
-	//	c.sendAlert(alertUnexpectedMessage)
-	//	return c.in.setErrorLocked(errors.New("tls: too many non-advancing records"))
-	//}
-
-	switch msg := msg.(type) {
-	case *newSessionTicketMsgTLS13:
-		// return errors.New("ktls: received new session ticket")
-		return nil
-	case *keyUpdateMsg:
-		return c.handleKeyUpdate(msg)
-	}
-	// The QUIC layer is supposed to treat an unexpected post-handshake CertificateRequest
-	// as a QUIC-level PROTOCOL_VIOLATION error (RFC 9001, Section 4.4). Returning an
-	// unexpected_message alert here doesn't provide it with enough information to distinguish
-	// this condition from other unexpected messages. This is probably fine.
-	c.sendAlert(alertUnexpectedMessage)
-	return fmt.Errorf("tls: received unexpected handshake message of type %T", msg)
-}
-
-func (c *Conn) handleKeyUpdate(keyUpdate *keyUpdateMsg) error {
-	//if c.quic != nil {
-	//	c.sendAlert(alertUnexpectedMessage)
-	//	return c.in.setErrorLocked(errors.New("tls: received unexpected key update message"))
-	//}
-
-	cipherSuite := cipherSuiteTLS13ByID(*c.rawConn.CipherSuite)
-	if cipherSuite == nil {
-		return c.rawConn.In.SetErrorLocked(c.sendAlert(alertInternalError))
-	}
-
-	newSecret := nextTrafficSecret(cipherSuite, *c.rawConn.In.TrafficSecret)
-	c.rawConn.In.SetTrafficSecret(cipherSuite, 0 /*tls.QUICEncryptionLevelInitial*/, newSecret)
-
-	err := c.resetupRX()
-	if err != nil {
-		c.sendAlert(alertInternalError)
-		return c.rawConn.In.SetErrorLocked(fmt.Errorf("ktls: resetupRX failed: %w", err))
-	}
-
-	if keyUpdate.updateRequested {
-		c.rawConn.Out.Lock()
-		defer c.rawConn.Out.Unlock()
-
-		resetup, err := c.resetupTX()
-		if err != nil {
-			c.sendAlertLocked(alertInternalError)
-			return c.rawConn.Out.SetErrorLocked(fmt.Errorf("ktls: resetupTX failed: %w", err))
-		}
-
-		msg := &keyUpdateMsg{}
-		msgBytes, err := msg.marshal()
-		if err != nil {
-			return err
-		}
-		_, err = c.writeRecordLocked(recordTypeHandshake, msgBytes)
-		if err != nil {
-			// Surface the error at the next write.
-			c.rawConn.Out.SetErrorLocked(err)
-			return nil
-		}
-
-		newSecret := nextTrafficSecret(cipherSuite, *c.rawConn.Out.TrafficSecret)
-		c.rawConn.Out.SetTrafficSecret(cipherSuite, 0 /*QUICEncryptionLevelInitial*/, newSecret)
-
-		err = resetup()
-		if err != nil {
-			return c.rawConn.Out.SetErrorLocked(fmt.Errorf("ktls: resetupTX failed: %w", err))
-		}
-	}
-
-	return nil
-}
-
-func (c *Conn) readHandshakeBytes(n int) error {
-	//if c.quic != nil {
-	//	return c.quicReadHandshakeBytes(n)
-	//}
-	for c.rawConn.Hand.Len() < n {
-		if err := c.readRecord(); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (c *Conn) readHandshake(transcript io.Writer) (any, error) {
-	if err := c.readHandshakeBytes(4); err != nil {
-		return nil, err
-	}
-	data := c.rawConn.Hand.Bytes()
-
-	maxHandshakeSize := maxHandshake
-	// hasVers indicates we're past the first message, forcing someone trying to
-	// make us just allocate a large buffer to at least do the initial part of
-	// the handshake first.
-	//if c.haveVers && data[0] == typeCertificate {
-	// Since certificate messages are likely to be the only messages that
-	// can be larger than maxHandshake, we use a special limit for just
-	// those messages.
-	//maxHandshakeSize = maxHandshakeCertificateMsg
-	//}
-
-	n := int(data[1])<<16 | int(data[2])<<8 | int(data[3])
-	if n > maxHandshakeSize {
-		c.sendAlertLocked(alertInternalError)
-		return nil, c.rawConn.In.SetErrorLocked(fmt.Errorf("tls: handshake message of length %d bytes exceeds maximum of %d bytes", n, maxHandshakeSize))
-	}
-	if err := c.readHandshakeBytes(4 + n); err != nil {
-		return nil, err
-	}
-	data = c.rawConn.Hand.Next(4 + n)
-	return c.unmarshalHandshakeMessage(data, transcript)
-}
-
-func (c *Conn) unmarshalHandshakeMessage(data []byte, transcript io.Writer) (any, error) {
-	var m handshakeMessage
-	switch data[0] {
-	case typeNewSessionTicket:
-		if *c.rawConn.Vers == tls.VersionTLS13 {
-			m = new(newSessionTicketMsgTLS13)
-		} else {
-			return nil, os.ErrInvalid
-		}
-	case typeKeyUpdate:
-		m = new(keyUpdateMsg)
-	default:
-		return nil, c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-	}
-
-	// The handshake message unmarshalers
-	// expect to be able to keep references to data,
-	// so pass in a fresh copy that won't be overwritten.
-	data = append([]byte(nil), data...)
-
-	if !m.unmarshal(data) {
-		return nil, c.rawConn.In.SetErrorLocked(c.sendAlert(alertDecodeError))
-	}
-
-	if transcript != nil {
-		transcript.Write(data)
-	}
-
-	return m, nil
-}

common/ktls/ktls_linux.go

@@ -1,329 +0,0 @@
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import (
-	"crypto/tls"
-	"errors"
-	"io"
-	"os"
-	"strings"
-	"sync"
-	"syscall"
-	"unsafe"
-
-	"github.com/sagernet/sing-box/common/badversion"
-	"github.com/sagernet/sing/common/control"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/shell"
-
-	"golang.org/x/sys/unix"
-)
-
-// mod from https://gitlab.com/go-extension/tls
-
-const (
-	TLS_TX               = 1
-	TLS_RX               = 2
-	TLS_TX_ZEROCOPY_RO   = 3 // TX zerocopy (only sendfile now)
-	TLS_RX_EXPECT_NO_PAD = 4 // Attempt opportunistic zero-copy, TLS 1.3 only
-
-	TLS_SET_RECORD_TYPE = 1
-	TLS_GET_RECORD_TYPE = 2
-)
-
-type Support struct {
-	TLS, TLS_RX                     bool
-	TLS_Version13, TLS_Version13_RX bool
-
-	TLS_TX_ZEROCOPY  bool
-	TLS_RX_NOPADDING bool
-
-	TLS_AES_256_GCM       bool
-	TLS_AES_128_CCM       bool
-	TLS_CHACHA20_POLY1305 bool
-	TLS_SM4               bool
-	TLS_ARIA_GCM          bool
-
-	TLS_Version13_KeyUpdate bool
-}
-
-var KernelSupport = sync.OnceValues(func() (*Support, error) {
-	var uname unix.Utsname
-	err := unix.Uname(&uname)
-	if err != nil {
-		return nil, err
-	}
-
-	kernelVersion := badversion.Parse(strings.Trim(string(uname.Release[:]), "\x00"))
-	if err != nil {
-		return nil, err
-	}
-	var support Support
-	switch {
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 6, Minor: 14}):
-		support.TLS_Version13_KeyUpdate = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 6, Minor: 1}):
-		support.TLS_ARIA_GCM = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 6}):
-		support.TLS_Version13_RX = true
-		support.TLS_RX_NOPADDING = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 5, Minor: 19}):
-		support.TLS_TX_ZEROCOPY = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 5, Minor: 16}):
-		support.TLS_SM4 = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 5, Minor: 11}):
-		support.TLS_CHACHA20_POLY1305 = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 5, Minor: 2}):
-		support.TLS_AES_128_CCM = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 5, Minor: 1}):
-		support.TLS_AES_256_GCM = true
-		support.TLS_Version13 = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 4, Minor: 17}):
-		support.TLS_RX = true
-		fallthrough
-	case kernelVersion.GreaterThanOrEqual(badversion.Version{Major: 4, Minor: 13}):
-		support.TLS = true
-	}
-
-	if support.TLS && support.TLS_Version13 {
-		_, err := os.Stat("/sys/module/tls")
-		if err != nil {
-			if os.Getuid() == 0 {
-				output, err := shell.Exec("modprobe", "tls").Read()
-				if err != nil {
-					return nil, E.Extend(E.Cause(err, "modprobe tls"), output)
-				}
-			} else {
-				return nil, E.New("ktls: kernel TLS module not loaded")
-			}
-		}
-	}
-
-	return &support, nil
-})
-
-func Load() error {
-	support, err := KernelSupport()
-	if err != nil {
-		return E.Cause(err, "ktls: check availability")
-	}
-	if !support.TLS || !support.TLS_Version13 {
-		return E.New("ktls: kernel does not support TLS 1.3")
-	}
-	return nil
-}
-
-func (c *Conn) setupKernel(txOffload, rxOffload bool) error {
-	if !txOffload && !rxOffload {
-		return os.ErrInvalid
-	}
-	support, err := KernelSupport()
-	if err != nil {
-		return E.Cause(err, "check availability")
-	}
-	if !support.TLS || !support.TLS_Version13 {
-		return E.New("kernel does not support TLS 1.3")
-	}
-	c.rawConn.Out.Lock()
-	defer c.rawConn.Out.Unlock()
-	err = control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-		return syscall.SetsockoptString(int(fd), unix.SOL_TCP, unix.TCP_ULP, "tls")
-	})
-	if err != nil {
-		return os.NewSyscallError("setsockopt", err)
-	}
-
-	if txOffload {
-		txCrypto := kernelCipher(support, c.rawConn.Out, *c.rawConn.CipherSuite, false)
-		if txCrypto == nil {
-			return E.New("unsupported cipher suite")
-		}
-		err = control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-			return syscall.SetsockoptString(int(fd), unix.SOL_TLS, TLS_TX, txCrypto.String())
-		})
-		if err != nil {
-			return err
-		}
-		if support.TLS_TX_ZEROCOPY {
-			err = control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-				return syscall.SetsockoptInt(int(fd), unix.SOL_TLS, TLS_TX_ZEROCOPY_RO, 1)
-			})
-			if err != nil {
-				return err
-			}
-		}
-		c.kernelTx = true
-		c.logger.DebugContext(c.ctx, "ktls: kernel TLS TX enabled")
-	}
-
-	if rxOffload {
-		rxCrypto := kernelCipher(support, c.rawConn.In, *c.rawConn.CipherSuite, true)
-		if rxCrypto == nil {
-			return E.New("unsupported cipher suite")
-		}
-		err = control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-			return syscall.SetsockoptString(int(fd), unix.SOL_TLS, TLS_RX, rxCrypto.String())
-		})
-		if err != nil {
-			return err
-		}
-		if *c.rawConn.Vers >= tls.VersionTLS13 && support.TLS_RX_NOPADDING {
-			err = control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-				return syscall.SetsockoptInt(int(fd), unix.SOL_TLS, TLS_RX_EXPECT_NO_PAD, 1)
-			})
-			if err != nil {
-				return err
-			}
-		}
-		c.kernelRx = true
-		c.logger.DebugContext(c.ctx, "ktls: kernel TLS RX enabled")
-	}
-	return nil
-}
-
-func (c *Conn) resetupTX() (func() error, error) {
-	if !c.kernelTx {
-		return nil, nil
-	}
-	support, err := KernelSupport()
-	if err != nil {
-		return nil, err
-	}
-	if !support.TLS_Version13_KeyUpdate {
-		return nil, errors.New("ktls: kernel does not support rekey")
-	}
-	txCrypto := kernelCipher(support, c.rawConn.Out, *c.rawConn.CipherSuite, false)
-	if txCrypto == nil {
-		return nil, errors.New("ktls: set kernelCipher on unsupported tls session")
-	}
-	return func() error {
-		return control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-			return syscall.SetsockoptString(int(fd), unix.SOL_TLS, TLS_TX, txCrypto.String())
-		})
-	}, nil
-}
-
-func (c *Conn) resetupRX() error {
-	if !c.kernelRx {
-		return nil
-	}
-	support, err := KernelSupport()
-	if err != nil {
-		return err
-	}
-	if !support.TLS_Version13_KeyUpdate {
-		return errors.New("ktls: kernel does not support rekey")
-	}
-	rxCrypto := kernelCipher(support, c.rawConn.In, *c.rawConn.CipherSuite, true)
-	if rxCrypto == nil {
-		return errors.New("ktls: set kernelCipher on unsupported tls session")
-	}
-	return control.Raw(c.rawSyscallConn, func(fd uintptr) error {
-		return syscall.SetsockoptString(int(fd), unix.SOL_TLS, TLS_RX, rxCrypto.String())
-	})
-}
-
-func (c *Conn) readKernelRecord() (uint8, []byte, error) {
-	if c.rawConn.RawInput.Len() < maxPlaintext {
-		c.rawConn.RawInput.Grow(maxPlaintext - c.rawConn.RawInput.Len())
-	}
-
-	data := c.rawConn.RawInput.Bytes()[:maxPlaintext]
-
-	// cmsg for record type
-	buffer := make([]byte, unix.CmsgSpace(1))
-	cmsg := (*unix.Cmsghdr)(unsafe.Pointer(&buffer[0]))
-	cmsg.SetLen(unix.CmsgLen(1))
-
-	var iov unix.Iovec
-	iov.Base = &data[0]
-	iov.SetLen(len(data))
-
-	var msg unix.Msghdr
-	msg.Control = &buffer[0]
-	msg.Controllen = cmsg.Len
-	msg.Iov = &iov
-	msg.Iovlen = 1
-
-	var n int
-	var err error
-	er := c.rawSyscallConn.Read(func(fd uintptr) bool {
-		n, err = recvmsg(int(fd), &msg, 0)
-		return err != unix.EAGAIN || c.pendingRxSplice
-	})
-	if er != nil {
-		return 0, nil, er
-	}
-	switch err {
-	case nil:
-	case syscall.EINVAL, syscall.EAGAIN:
-		return 0, nil, c.rawConn.In.SetErrorLocked(c.sendAlert(alertProtocolVersion))
-	case syscall.EMSGSIZE:
-		return 0, nil, c.rawConn.In.SetErrorLocked(c.sendAlert(alertRecordOverflow))
-	case syscall.EBADMSG:
-		return 0, nil, c.rawConn.In.SetErrorLocked(c.sendAlert(alertDecryptError))
-	default:
-		return 0, nil, err
-	}
-
-	if n <= 0 {
-		return 0, nil, c.rawConn.In.SetErrorLocked(io.EOF)
-	}
-
-	if cmsg.Level == unix.SOL_TLS && cmsg.Type == TLS_GET_RECORD_TYPE {
-		typ := buffer[unix.CmsgLen(0)]
-		return typ, data[:n], nil
-	}
-
-	return recordTypeApplicationData, data[:n], nil
-}
-
-func (c *Conn) writeKernelRecord(typ uint16, data []byte) (int, error) {
-	if typ == recordTypeApplicationData {
-		return c.conn.Write(data)
-	}
-
-	// cmsg for record type
-	buffer := make([]byte, unix.CmsgSpace(1))
-	cmsg := (*unix.Cmsghdr)(unsafe.Pointer(&buffer[0]))
-	cmsg.SetLen(unix.CmsgLen(1))
-	buffer[unix.CmsgLen(0)] = byte(typ)
-	cmsg.Level = unix.SOL_TLS
-	cmsg.Type = TLS_SET_RECORD_TYPE
-
-	var iov unix.Iovec
-	iov.Base = &data[0]
-	iov.SetLen(len(data))
-
-	var msg unix.Msghdr
-	msg.Control = &buffer[0]
-	msg.Controllen = cmsg.Len
-	msg.Iov = &iov
-	msg.Iovlen = 1
-
-	var n int
-	var err error
-	ew := c.rawSyscallConn.Write(func(fd uintptr) bool {
-		n, err = sendmsg(int(fd), &msg, 0)
-		return err != unix.EAGAIN
-	})
-	if ew != nil {
-		return 0, ew
-	}
-	return n, err
-}
-
-//go:linkname recvmsg golang.org/x/sys/unix.recvmsg
-func recvmsg(fd int, msg *unix.Msghdr, flags int) (n int, err error)
-
-//go:linkname sendmsg golang.org/x/sys/unix.sendmsg
-func sendmsg(fd int, msg *unix.Msghdr, flags int) (n int, err error)

common/ktls/ktls_prf.go

@@ -1,24 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import "unsafe"
-
-//go:linkname cipherSuiteByID github.com/metacubex/utls.cipherSuiteByID
-func cipherSuiteByID(id uint16) unsafe.Pointer
-
-//go:linkname keysFromMasterSecret github.com/metacubex/utls.keysFromMasterSecret
-func keysFromMasterSecret(version uint16, suite unsafe.Pointer, masterSecret, clientRandom, serverRandom []byte, macLen, keyLen, ivLen int) (clientMAC, serverMAC, clientKey, serverKey, clientIV, serverIV []byte)
-
-//go:linkname cipherSuiteTLS13ByID github.com/metacubex/utls.cipherSuiteTLS13ByID
-func cipherSuiteTLS13ByID(id uint16) unsafe.Pointer
-
-//go:linkname nextTrafficSecret github.com/metacubex/utls.(*cipherSuiteTLS13).nextTrafficSecret
-func nextTrafficSecret(cs unsafe.Pointer, trafficSecret []byte) []byte
-
-//go:linkname trafficKey github.com/metacubex/utls.(*cipherSuiteTLS13).trafficKey
-func trafficKey(cs unsafe.Pointer, trafficSecret []byte) (key, iv []byte)

common/ktls/ktls_read.go

@@ -1,293 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import (
-	"bytes"
-	"crypto/tls"
-	"fmt"
-	"io"
-	"net"
-	"unsafe"
-)
-
-func (c *Conn) Read(b []byte) (int, error) {
-	if !c.kernelRx {
-		return c.Conn.Read(b)
-	}
-
-	if len(b) == 0 {
-		// Put this after Handshake, in case people were calling
-		// Read(nil) for the side effect of the Handshake.
-		return 0, nil
-	}
-
-	c.rawConn.In.Lock()
-	defer c.rawConn.In.Unlock()
-
-	for c.rawConn.Input.Len() == 0 {
-		if err := c.readRecord(); err != nil {
-			return 0, err
-		}
-		for c.rawConn.Hand.Len() > 0 {
-			if err := c.handlePostHandshakeMessage(); err != nil {
-				return 0, err
-			}
-		}
-	}
-
-	n, _ := c.rawConn.Input.Read(b)
-
-	// If a close-notify alert is waiting, read it so that we can return (n,
-	// EOF) instead of (n, nil), to signal to the HTTP response reading
-	// goroutine that the connection is now closed. This eliminates a race
-	// where the HTTP response reading goroutine would otherwise not observe
-	// the EOF until its next read, by which time a client goroutine might
-	// have already tried to reuse the HTTP connection for a new request.
-	// See https://golang.org/cl/76400046 and https://golang.org/issue/3514
-	if n != 0 && c.rawConn.Input.Len() == 0 && c.rawConn.RawInput.Len() > 0 &&
-		c.rawConn.RawInput.Bytes()[0] == recordTypeAlert {
-		if err := c.readRecord(); err != nil {
-			return n, err // will be io.EOF on closeNotify
-		}
-	}
-
-	return n, nil
-}
-
-func (c *Conn) readRecord() error {
-	if *c.rawConn.In.Err != nil {
-		return *c.rawConn.In.Err
-	}
-
-	typ, data, err := c.readRawRecord()
-	if err != nil {
-		return err
-	}
-
-	if len(data) > maxPlaintext {
-		return c.rawConn.In.SetErrorLocked(c.sendAlert(alertRecordOverflow))
-	}
-
-	// Application Data messages are always protected.
-	if c.rawConn.In.Cipher == nil && typ == recordTypeApplicationData {
-		return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-	}
-
-	//if typ != recordTypeAlert && typ != recordTypeChangeCipherSpec && len(data) > 0 {
-	// This is a state-advancing message: reset the retry count.
-	// c.retryCount = 0
-	//}
-
-	// Handshake messages MUST NOT be interleaved with other record types in TLS 1.3.
-	if *c.rawConn.Vers == tls.VersionTLS13 && typ != recordTypeHandshake && c.rawConn.Hand.Len() > 0 {
-		return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-	}
-
-	switch typ {
-	default:
-		return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-	case recordTypeAlert:
-		//if c.quic != nil {
-		//	return c.rawConn.In.setErrorLocked(c.sendAlert(alertUnexpectedMessage))
-		//}
-		if len(data) != 2 {
-			return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-		}
-		if data[1] == alertCloseNotify {
-			return c.rawConn.In.SetErrorLocked(io.EOF)
-		}
-		if *c.rawConn.Vers == tls.VersionTLS13 {
-			// TLS 1.3 removed warning-level alerts except for alertUserCanceled
-			// (RFC 8446, § 6.1). Since at least one major implementation
-			// (https://bugs.openjdk.org/browse/JDK-8323517) misuses this alert,
-			// many TLS stacks now ignore it outright when seen in a TLS 1.3
-			// handshake (e.g. BoringSSL, NSS, Rustls).
-			if data[1] == alertUserCanceled {
-				// Like TLS 1.2 alertLevelWarning alerts, we drop the record and retry.
-				return c.retryReadRecord( /*expectChangeCipherSpec*/ )
-			}
-			return c.rawConn.In.SetErrorLocked(&net.OpError{Op: "remote error", Err: tls.AlertError(data[1])})
-		}
-		switch data[0] {
-		case alertLevelWarning:
-			// Drop the record on the floor and retry.
-			return c.retryReadRecord( /*expectChangeCipherSpec*/ )
-		case alertLevelError:
-			return c.rawConn.In.SetErrorLocked(&net.OpError{Op: "remote error", Err: tls.AlertError(data[1])})
-		default:
-			return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-		}
-
-	case recordTypeChangeCipherSpec:
-		if len(data) != 1 || data[0] != 1 {
-			return c.rawConn.In.SetErrorLocked(c.sendAlert(alertDecodeError))
-		}
-		// Handshake messages are not allowed to fragment across the CCS.
-		if c.rawConn.Hand.Len() > 0 {
-			return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-		}
-		// In TLS 1.3, change_cipher_spec records are ignored until the
-		// Finished. See RFC 8446, Appendix D.4. Note that according to Section
-		// 5, a server can send a ChangeCipherSpec before its ServerHello, when
-		// c.vers is still unset. That's not useful though and suspicious if the
-		// server then selects a lower protocol version, so don't allow that.
-		if *c.rawConn.Vers == tls.VersionTLS13 {
-			return c.retryReadRecord( /*expectChangeCipherSpec*/ )
-		}
-		// if !expectChangeCipherSpec {
-		return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-		//}
-		//if err := c.rawConn.In.changeCipherSpec(); err != nil {
-		//	return c.rawConn.In.setErrorLocked(c.sendAlert(err.(alert)))
-		//}
-
-	case recordTypeApplicationData:
-		// Some OpenSSL servers send empty records in order to randomize the
-		// CBC RawIV. Ignore a limited number of empty records.
-		if len(data) == 0 {
-			return c.retryReadRecord( /*expectChangeCipherSpec*/ )
-		}
-		// Note that data is owned by c.rawInput, following the Next call above,
-		// to avoid copying the plaintext. This is safe because c.rawInput is
-		// not read from or written to until c.input is drained.
-		c.rawConn.Input.Reset(data)
-	case recordTypeHandshake:
-		if len(data) == 0 {
-			return c.rawConn.In.SetErrorLocked(c.sendAlert(alertUnexpectedMessage))
-		}
-		c.rawConn.Hand.Write(data)
-	}
-
-	return nil
-}
-
-//nolint:staticcheck
-func (c *Conn) readRawRecord() (typ uint8, data []byte, err error) {
-	// Read from kernel.
-	if c.kernelRx {
-		return c.readKernelRecord()
-	}
-
-	// Read header, payload.
-	if err = c.readFromUntil(c.conn, recordHeaderLen); err != nil {
-		// RFC 8446, Section 6.1 suggests that EOF without an alertCloseNotify
-		// is an error, but popular web sites seem to do this, so we accept it
-		// if and only if at the record boundary.
-		if err == io.ErrUnexpectedEOF && c.rawConn.RawInput.Len() == 0 {
-			err = io.EOF
-		}
-		if e, ok := err.(net.Error); !ok || !e.Temporary() {
-			c.rawConn.In.SetErrorLocked(err)
-		}
-		return
-	}
-	hdr := c.rawConn.RawInput.Bytes()[:recordHeaderLen]
-	typ = hdr[0]
-
-	vers := uint16(hdr[1])<<8 | uint16(hdr[2])
-	expectedVers := *c.rawConn.Vers
-	if expectedVers == tls.VersionTLS13 {
-		// All TLS 1.3 records are expected to have 0x0303 (1.2) after
-		// the initial hello (RFC 8446 Section 5.1).
-		expectedVers = tls.VersionTLS12
-	}
-	n := int(hdr[3])<<8 | int(hdr[4])
-	if /*c.haveVers && */ vers != expectedVers {
-		c.sendAlert(alertProtocolVersion)
-		msg := fmt.Sprintf("received record with version %x when expecting version %x", vers, expectedVers)
-		err = c.rawConn.In.SetErrorLocked(c.newRecordHeaderError(nil, msg))
-		return
-	}
-	//if !c.haveVers {
-	//	// First message, be extra suspicious: this might not be a TLS
-	//	// client. Bail out before reading a full 'body', if possible.
-	//	// The current max version is 3.3 so if the version is >= 16.0,
-	//	// it's probably not real.
-	//	if (typ != recordTypeAlert && typ != recordTypeHandshake) || vers >= 0x1000 {
-	//		err = c.rawConn.In.SetErrorLocked(c.newRecordHeaderError(c.conn, "first record does not look like a TLS handshake"))
-	//		return
-	//	}
-	//}
-	if *c.rawConn.Vers == tls.VersionTLS13 && n > maxCiphertextTLS13 || n > maxCiphertext {
-		c.sendAlert(alertRecordOverflow)
-		msg := fmt.Sprintf("oversized record received with length %d", n)
-		err = c.rawConn.In.SetErrorLocked(c.newRecordHeaderError(nil, msg))
-		return
-	}
-	if err = c.readFromUntil(c.conn, recordHeaderLen+n); err != nil {
-		if e, ok := err.(net.Error); !ok || !e.Temporary() {
-			c.rawConn.In.SetErrorLocked(err)
-		}
-		return
-	}
-
-	// Process message.
-	record := c.rawConn.RawInput.Next(recordHeaderLen + n)
-	data, typ, err = c.rawConn.In.Decrypt(record)
-	if err != nil {
-		err = c.rawConn.In.SetErrorLocked(c.sendAlert(*(*uint8)((*[2]unsafe.Pointer)(unsafe.Pointer(&err))[1])))
-		return
-	}
-	return
-}
-
-// retryReadRecord recurs into readRecordOrCCS to drop a non-advancing record, like
-// a warning alert, empty application_data, or a change_cipher_spec in TLS 1.3.
-func (c *Conn) retryReadRecord( /*expectChangeCipherSpec bool*/ ) error {
-	//c.retryCount++
-	//if c.retryCount > maxUselessRecords {
-	//	c.sendAlert(alertUnexpectedMessage)
-	//	return c.in.setErrorLocked(errors.New("tls: too many ignored records"))
-	//}
-	return c.readRecord( /*expectChangeCipherSpec*/ )
-}
-
-// atLeastReader reads from R, stopping with EOF once at least N bytes have been
-// read. It is different from an io.LimitedReader in that it doesn't cut short
-// the last Read call, and in that it considers an early EOF an error.
-type atLeastReader struct {
-	R io.Reader
-	N int64
-}
-
-func (r *atLeastReader) Read(p []byte) (int, error) {
-	if r.N <= 0 {
-		return 0, io.EOF
-	}
-	n, err := r.R.Read(p)
-	r.N -= int64(n) // won't underflow unless len(p) >= n > 9223372036854775809
-	if r.N > 0 && err == io.EOF {
-		return n, io.ErrUnexpectedEOF
-	}
-	if r.N <= 0 && err == nil {
-		return n, io.EOF
-	}
-	return n, err
-}
-
-// readFromUntil reads from r into c.rawConn.RawInput until c.rawConn.RawInput contains
-// at least n bytes or else returns an error.
-func (c *Conn) readFromUntil(r io.Reader, n int) error {
-	if c.rawConn.RawInput.Len() >= n {
-		return nil
-	}
-	needs := n - c.rawConn.RawInput.Len()
-	// There might be extra input waiting on the wire. Make a best effort
-	// attempt to fetch it so that it can be used in (*Conn).Read to
-	// "predict" closeNotify alerts.
-	c.rawConn.RawInput.Grow(needs + bytes.MinRead)
-	_, err := c.rawConn.RawInput.ReadFrom(&atLeastReader{r, int64(needs)})
-	return err
-}
-
-func (c *Conn) newRecordHeaderError(conn net.Conn, msg string) (err tls.RecordHeaderError) {
-	err.Msg = msg
-	err.Conn = conn
-	copy(err.RecordHeader[:], c.rawConn.RawInput.Bytes())
-	return err
-}

common/ktls/ktls_read_wait.go

@@ -1,41 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import (
-	"github.com/sagernet/sing/common/buf"
-	N "github.com/sagernet/sing/common/network"
-)
-
-func (c *Conn) InitializeReadWaiter(options N.ReadWaitOptions) (needCopy bool) {
-	c.readWaitOptions = options
-	return false
-}
-
-func (c *Conn) WaitReadBuffer() (buffer *buf.Buffer, err error) {
-	c.rawConn.In.Lock()
-	defer c.rawConn.In.Unlock()
-	for c.rawConn.Input.Len() == 0 {
-		err = c.readRecord()
-		if err != nil {
-			return
-		}
-	}
-	buffer = c.readWaitOptions.NewBuffer()
-	n, err := c.rawConn.Input.Read(buffer.FreeBytes())
-	if err != nil {
-		buffer.Release()
-		return
-	}
-	buffer.Truncate(n)
-	if n != 0 && c.rawConn.Input.Len() == 0 && c.rawConn.Input.Len() > 0 &&
-		c.rawConn.RawInput.Bytes()[0] == recordTypeAlert {
-		_ = c.rawConn.ReadRecord()
-	}
-	c.readWaitOptions.PostReturn(buffer)
-	return
-}

common/ktls/ktls_stub_nolinkname.go

@@ -1,15 +0,0 @@
-//go:build linux && go1.25 && !badlinkname
-
-package ktls
-
-import (
-	"context"
-
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
-	aTLS "github.com/sagernet/sing/common/tls"
-)
-
-func NewConn(ctx context.Context, logger logger.ContextLogger, conn aTLS.Conn, txOffload, rxOffload bool) (aTLS.Conn, error) {
-	return nil, E.New("kTLS requires build flags `badlinkname` and `-ldflags=-checklinkname=0`, please recompile your binary")
-}

common/ktls/ktls_stub_nonlinux.go

@@ -1,15 +0,0 @@
-//go:build !linux
-
-package ktls
-
-import (
-	"context"
-
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
-	aTLS "github.com/sagernet/sing/common/tls"
-)
-
-func NewConn(ctx context.Context, logger logger.ContextLogger, conn aTLS.Conn, txOffload, rxOffload bool) (aTLS.Conn, error) {
-	return nil, E.New("kTLS is only supported on Linux")
-}

common/ktls/ktls_stub_oldgo.go

@@ -1,15 +0,0 @@
-//go:build linux && !go1.25
-
-package ktls
-
-import (
-	"context"
-
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
-	aTLS "github.com/sagernet/sing/common/tls"
-)
-
-func NewConn(ctx context.Context, logger logger.ContextLogger, conn aTLS.Conn, txOffload, rxOffload bool) (aTLS.Conn, error) {
-	return nil, E.New("kTLS requires Go 1.25 or later, please recompile your binary")
-}

common/ktls/ktls_write.go

@@ -1,154 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build linux && go1.25 && badlinkname
-
-package ktls
-
-import (
-	"crypto/cipher"
-	"crypto/tls"
-	"errors"
-	"net"
-)
-
-func (c *Conn) Write(b []byte) (int, error) {
-	if !c.kernelTx {
-		return c.Conn.Write(b)
-	}
-	// interlock with Close below
-	for {
-		x := c.rawConn.ActiveCall.Load()
-		if x&1 != 0 {
-			return 0, net.ErrClosed
-		}
-		if c.rawConn.ActiveCall.CompareAndSwap(x, x+2) {
-			break
-		}
-	}
-	defer c.rawConn.ActiveCall.Add(-2)
-
-	//if err := c.Conn.HandshakeContext(context.Background()); err != nil {
-	//	return 0, err
-	//}
-
-	c.rawConn.Out.Lock()
-	defer c.rawConn.Out.Unlock()
-
-	if err := *c.rawConn.Out.Err; err != nil {
-		return 0, err
-	}
-
-	if !c.rawConn.IsHandshakeComplete.Load() {
-		return 0, tls.AlertError(alertInternalError)
-	}
-
-	if *c.rawConn.CloseNotifySent {
-		// return 0, errShutdown
-		return 0, errors.New("tls: protocol is shutdown")
-	}
-
-	// TLS 1.0 is susceptible to a chosen-plaintext
-	// attack when using block mode ciphers due to predictable IVs.
-	// This can be prevented by splitting each Application Data
-	// record into two records, effectively randomizing the RawIV.
-	//
-	// https://www.openssl.org/~bodo/tls-cbc.txt
-	// https://bugzilla.mozilla.org/show_bug.cgi?id=665814
-	// https://www.imperialviolet.org/2012/01/15/beastfollowup.html
-
-	var m int
-	if len(b) > 1 && *c.rawConn.Vers == tls.VersionTLS10 {
-		if _, ok := (*c.rawConn.Out.Cipher).(cipher.BlockMode); ok {
-			n, err := c.writeRecordLocked(recordTypeApplicationData, b[:1])
-			if err != nil {
-				return n, c.rawConn.Out.SetErrorLocked(err)
-			}
-			m, b = 1, b[1:]
-		}
-	}
-
-	n, err := c.writeRecordLocked(recordTypeApplicationData, b)
-	return n + m, c.rawConn.Out.SetErrorLocked(err)
-}
-
-func (c *Conn) writeRecordLocked(typ uint16, data []byte) (n int, err error) {
-	if !c.kernelTx {
-		return c.rawConn.WriteRecordLocked(typ, data)
-	}
-	/*for len(data) > 0 {
-		m := len(data)
-		if maxPayload := c.maxPayloadSizeForWrite(typ); m > maxPayload {
-			m = maxPayload
-		}
-		_, err = c.writeKernelRecord(typ, data[:m])
-		if err != nil {
-			return
-		}
-		n += m
-		data = data[m:]
-	}*/
-	return c.writeKernelRecord(typ, data)
-}
-
-const (
-	// tcpMSSEstimate is a conservative estimate of the TCP maximum segment
-	// size (MSS). A constant is used, rather than querying the kernel for
-	// the actual MSS, to avoid complexity. The value here is the IPv6
-	// minimum MTU (1280 bytes) minus the overhead of an IPv6 header (40
-	// bytes) and a TCP header with timestamps (32 bytes).
-	tcpMSSEstimate = 1208
-
-	// recordSizeBoostThreshold is the number of bytes of application data
-	// sent after which the TLS record size will be increased to the
-	// maximum.
-	recordSizeBoostThreshold = 128 * 1024
-)
-
-func (c *Conn) maxPayloadSizeForWrite(typ uint16) int {
-	if /*c.config.DynamicRecordSizingDisabled ||*/ typ != recordTypeApplicationData {
-		return maxPlaintext
-	}
-
-	if *c.rawConn.PacketsSent >= recordSizeBoostThreshold {
-		return maxPlaintext
-	}
-
-	// Subtract TLS overheads to get the maximum payload size.
-	payloadBytes := tcpMSSEstimate - recordHeaderLen - c.rawConn.Out.ExplicitNonceLen()
-	if rawCipher := *c.rawConn.Out.Cipher; rawCipher != nil {
-		switch ciph := rawCipher.(type) {
-		case cipher.Stream:
-			payloadBytes -= (*c.rawConn.Out.Mac).Size()
-		case cipher.AEAD:
-			payloadBytes -= ciph.Overhead()
-		/*case cbcMode:
-		blockSize := ciph.BlockSize()
-		// The payload must fit in a multiple of blockSize, with
-		// room for at least one padding byte.
-		payloadBytes = (payloadBytes & ^(blockSize - 1)) - 1
-		// The RawMac is appended before padding so affects the
-		// payload size directly.
-		payloadBytes -= c.out.mac.Size()*/
-		default:
-			panic("unknown cipher type")
-		}
-	}
-	if *c.rawConn.Vers == tls.VersionTLS13 {
-		payloadBytes-- // encrypted ContentType
-	}
-
-	// Allow packet growth in arithmetic progression up to max.
-	pkt := *c.rawConn.PacketsSent
-	*c.rawConn.PacketsSent++
-	if pkt > 1000 {
-		return maxPlaintext // avoid overflow in multiply below
-	}
-
-	n := payloadBytes * int(pkt+1)
-	if n > maxPlaintext {
-		n = maxPlaintext
-	}
-	return n
-}

common/listener/listener.go

@@ -151,7 +151,6 @@ func ListenNetworkNamespace[T any](nameOrPath string, block func() (T, error)) (
 		if err != nil {
 			return common.DefaultValue[T](), E.Cause(err, "get current netns")
 		}
-		defer currentNs.Close()
 		defer netns.Set(currentNs)
 		var targetNs netns.NsHandle
 		if strings.HasPrefix(nameOrPath, "/") {

common/listener/listener_go121.go

@@ -0,0 +1,11 @@
+//go:build go1.21
+
+package listener
+
+import "net"
+
+const go121Available = true
+
+func setMultiPathTCP(listenConfig *net.ListenConfig) {
+	listenConfig.SetMultipathTCP(true)
+}