build(package): trim bundled runtime libraries

Dockerfile

@@ -162,29 +162,14 @@ RUN set -xe && \
 # 收集 glibc 运行时依赖（动态探测，避免固定版本）
 RUN set -xe && \
     mkdir -p /runtime-libs && \
-    ldd /src/subconverter /usr/lib/libmihomo.so | \
+    ELF_LIBRARY_PATH="/usr/lib:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu:/lib/aarch64-linux-gnu:/usr/lib/aarch64-linux-gnu:/lib64" \
-      awk '{for (i=1; i<=NF; i++) if ($i ~ "^/") print $i}' | \
+      bash /src/scripts/ci/copy-elf-runtime-deps.sh /runtime-libs \
-      sort -u | \
+        /src/subconverter \
-      while read -r lib; do \
+        /usr/lib/libmihomo.so \
-        if [ -e "$lib" ]; then \
+        libnss_dns.so.2 \
-          mkdir -p "/runtime-libs$(dirname "$lib")" && \
+        libnss_files.so.2 \
-          cp -aL "$lib" "/runtime-libs$lib"; \
+        libnss_compat.so.2 \
-        fi; \
+        libresolv.so.2 && \
-      done && \
-    for loader in /lib64/ld-linux-x86-64.so.2 /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 /lib/ld-linux-aarch64.so.1 /lib/aarch64-linux-gnu/ld-linux-aarch64.so.1; do \
-      if [ -e "$loader" ]; then \
-        mkdir -p "/runtime-libs$(dirname "$loader")" && \
-        cp -aL "$loader" "/runtime-libs$loader"; \
-      fi; \
-    done && \
-    libc_path="$(ldd /src/subconverter | awk '$1 == "libc.so.6" {print $3; exit}')" && \
-    libc_dir="$(dirname "${libc_path:-/lib/x86_64-linux-gnu/libc.so.6}")" && \
-    for extra in libnss_dns.so.2 libnss_files.so.2 libnss_compat.so.2 libresolv.so.2; do \
-      if [ -e "$libc_dir/$extra" ]; then \
-        mkdir -p "/runtime-libs$libc_dir" && \
-        cp -aL "$libc_dir/$extra" "/runtime-libs$libc_dir/$extra"; \
-      fi; \
-    done && \
     if [ -f /etc/nsswitch.conf ]; then \
       mkdir -p /runtime-libs/etc && \
       cp -aL /etc/nsswitch.conf /runtime-libs/etc/nsswitch.conf; \
@@ -215,9 +200,7 @@ RUN apk add --no-cache ca-certificates tzdata && \
 
 COPY --from=builder /src/subconverter /usr/bin/subconverter
 COPY --from=builder /src/base /base/
-COPY --from=builder /usr/lib/libmihomo.so /usr/lib/
 COPY --from=builder /runtime-libs/ /
-COPY --from=builder /etc/nsswitch.conf /etc/nsswitch.conf
 
 # 确保二进制和库可执行
 RUN chmod +x /usr/bin/subconverter && chmod +x /usr/lib/libmihomo.so

docker/Dockerfile.armv7-cross

@@ -184,15 +184,14 @@ RUN set -xe && \
     ln -snf /usr/share/zoneinfo/Asia/Shanghai /runtime-root/etc/localtime && \
     echo Asia/Shanghai > /runtime-root/etc/timezone && \
     if [ -f /etc/nsswitch.conf ]; then cp -aL /etc/nsswitch.conf /runtime-root/etc/nsswitch.conf; fi && \
-    for dir in /lib/arm-linux-gnueabihf /usr/lib/arm-linux-gnueabihf /usr/arm-linux-gnueabihf/lib; do \
+    READELF=arm-linux-gnueabihf-readelf \
-      if [ -d "$dir" ]; then \
+    ELF_LIBRARY_PATH="/usr/lib/arm-linux-gnueabihf:/lib/arm-linux-gnueabihf:/usr/arm-linux-gnueabihf/lib:/usr/lib:/lib" \
-        find "$dir" -maxdepth 1 \( -name '*.so' -o -name '*.so.*' \) -print | \
+      bash /src/scripts/ci/copy-elf-runtime-deps.sh /runtime-root \
-        while read -r lib; do \
+        /src/subconverter \
-          dest="/runtime-root/usr/lib/arm-linux-gnueabihf/$(basename "$lib")"; \
+        libnss_dns.so.2 \
-          cp -aL "$lib" "$dest"; \
+        libnss_files.so.2 \
-        done; \
+        libnss_compat.so.2 \
-      fi; \
+        libresolv.so.2
-    done
 
 # ========== FINAL STAGE ==========
 FROM --platform=$TARGETPLATFORM mirror.gcr.io/library/debian:trixie-slim

scripts/ci/copy-elf-runtime-deps.sh

@@ -0,0 +1,126 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+DEST_ROOT="${1:?destination root is required}"
+shift
+
+READELF="${READELF:-readelf}"
+ELF_LIBRARY_PATH="${ELF_LIBRARY_PATH:-}"
+
+declare -a SEARCH_DIRS=()
+if [ -n "${ELF_LIBRARY_PATH}" ]; then
+  IFS=':' read -r -a SEARCH_DIRS <<< "${ELF_LIBRARY_PATH}"
+fi
+
+SEARCH_DIRS+=(
+  /lib
+  /usr/lib
+  /lib64
+  /usr/lib64
+  /lib/x86_64-linux-gnu
+  /usr/lib/x86_64-linux-gnu
+  /lib/aarch64-linux-gnu
+  /usr/lib/aarch64-linux-gnu
+  /lib/arm-linux-gnueabihf
+  /usr/lib/arm-linux-gnueabihf
+  /usr/arm-linux-gnueabihf/lib
+)
+
+declare -A COPIED=()
+declare -A SCANNED=()
+declare -a QUEUE=()
+
+canonical_path() {
+  local path="$1"
+  if command -v realpath >/dev/null 2>&1; then
+    realpath "$path"
+  else
+    readlink -f "$path"
+  fi
+}
+
+copy_runtime_file() {
+  local source="$1"
+  local logical="$source"
+  local resolved
+  resolved="$(canonical_path "$source")"
+
+  if [ -n "${COPIED[$logical]:-}" ]; then
+    return
+  fi
+
+  local dest="${DEST_ROOT}${logical}"
+  mkdir -p "$(dirname "$dest")"
+  cp -aL "$source" "$dest"
+  COPIED["$logical"]=1
+  QUEUE+=("$resolved")
+}
+
+resolve_soname() {
+  local soname="$1"
+
+  if [[ "$soname" == */* ]] && [ -e "$soname" ]; then
+    printf '%s\n' "$soname"
+    return 0
+  fi
+
+  local dir candidate
+  for dir in "${SEARCH_DIRS[@]}"; do
+    [ -n "$dir" ] || continue
+    candidate="${dir}/${soname}"
+    if [ -e "$candidate" ]; then
+      printf '%s\n' "$candidate"
+      return 0
+    fi
+  done
+
+  return 1
+}
+
+copy_needed_by() {
+  local elf="$1"
+
+  if [ -n "${SCANNED[$elf]:-}" ]; then
+    return
+  fi
+  SCANNED["$elf"]=1
+
+  if ! "$READELF" -h "$elf" >/dev/null 2>&1; then
+    return
+  fi
+
+  local interp
+  interp="$("$READELF" -l "$elf" 2>/dev/null | sed -n 's/.*Requesting program interpreter: \(.*\)\]/\1/p' | head -n 1)"
+  if [ -n "$interp" ] && [ -e "$interp" ]; then
+    copy_runtime_file "$interp"
+  fi
+
+  local needed resolved
+  while IFS= read -r needed; do
+    [ -n "$needed" ] || continue
+    if resolved="$(resolve_soname "$needed")"; then
+      copy_runtime_file "$resolved"
+    else
+      echo "warning: could not resolve ELF dependency '$needed' required by $elf" >&2
+    fi
+  done < <("$READELF" -d "$elf" 2>/dev/null | sed -n 's/.*Shared library: \[\(.*\)\].*/\1/p')
+}
+
+for input in "$@"; do
+  if [ -e "$input" ]; then
+    case "$(basename "$input")" in
+      *.so|*.so.*|ld-*.so*|ld-linux*.so*) copy_runtime_file "$input" ;;
+    esac
+    copy_needed_by "$(canonical_path "$input")"
+  elif resolved="$(resolve_soname "$input")"; then
+    copy_runtime_file "$resolved"
+  else
+    echo "warning: could not resolve requested runtime file '$input'" >&2
+  fi
+done
+
+while [ "${#QUEUE[@]}" -gt 0 ]; do
+  current="${QUEUE[0]}"
+  QUEUE=("${QUEUE[@]:1}")
+  copy_needed_by "$current"
+done

scripts/ci/extract-builder-output.sh

@@ -25,7 +25,6 @@ chmod +x ./subconverter
 case "${MODE}" in
   shared)
     docker cp "${CID}:/runtime-libs" ./runtime-libs
-    docker cp "${CID}:/usr/lib/libmihomo.so" ./libmihomo.so
     ;;
   root)
     docker cp "${CID}:/runtime-root" ./runtime-root

scripts/package-linux-portable.sh

@@ -27,11 +27,6 @@ mkdir -p "${PACKAGE_DIR}"
 install -m755 subconverter "${PACKAGE_DIR}/subconverter"
 cp -a base "${PACKAGE_DIR}/"
 
-if [ -f libmihomo.so ]; then
-  mkdir -p "${PACKAGE_DIR}/usr/lib"
-  install -m755 libmihomo.so "${PACKAGE_DIR}/usr/lib/libmihomo.so"
-fi
-
 copy_dir_contents runtime-libs
 copy_dir_contents runtime-root