mirror of
https://github.com/Droid-Deck/DroidDeck.git
synced 2026-11-11 02:51:10 +00:00
81 lines
3.8 KiB
Bash
Executable File
81 lines
3.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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OUTDIR=$(mkdir -p "$1" && cd "$1" && pwd)
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: "${NDK:?set NDK to the Android NDK root}"
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API=26
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HERE=$(cd "$(dirname "$0")" && pwd)
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. "$HERE/source.env"
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case "$(uname -s):$(uname -m)" in
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Darwin:*) NDK_HOST=darwin-x86_64 ;;
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Linux:x86_64) NDK_HOST=linux-x86_64 ;;
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Linux:aarch64|Linux:arm64) NDK_HOST=linux-aarch64 ;;
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*) echo "Unsupported build host: $(uname -s) $(uname -m)" >&2; exit 1 ;;
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esac
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TOOLCHAIN="$NDK/toolchains/llvm/prebuilt/$NDK_HOST/bin"
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if [[ ! -d "$TOOLCHAIN" && -d "$NDK/toolchains/llvm/prebuilt/linux-x86_64/bin" ]]; then
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TOOLCHAIN="$NDK/toolchains/llvm/prebuilt/linux-x86_64/bin"
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fi
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CC="$TOOLCHAIN/aarch64-linux-android${API}-clang"
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if [[ ! -x "$CC" ]]; then
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echo "Android NDK toolchain not found at $TOOLCHAIN" >&2
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exit 1
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fi
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WORK=$(mktemp -d)
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trap 'rm -rf "$WORK"' EXIT
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fetch() {
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local name=$1 primary=$2 sha=$3 url fetched=0
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shift 3
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for url in "$primary" "$@"; do
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if curl -fsSL --connect-timeout 15 --max-time 90 --retry 3 --retry-all-errors --retry-max-time 120 -o "$WORK/$name" "$url" &&
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printf '%s %s\n' "$sha" "$WORK/$name" | shasum -a 256 -c -; then
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fetched=1
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break
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fi
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done
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[[ $fetched == 1 ]] || return 1
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mkdir -p "$WORK/${name%%.*}"
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tar -xzf "$WORK/$name" -C "$WORK/${name%%.*}" --strip-components=1
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}
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fetch proot.tar.gz "https://github.com/termux/proot/archive/${PROOT_COMMIT}.tar.gz" "$PROOT_SHA256"
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fetch talloc.tar.gz "https://www.samba.org/ftp/talloc/talloc-${TALLOC_VERSION}.tar.gz" "$TALLOC_SHA256" \
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"https://distfiles.macports.org/talloc/talloc-${TALLOC_VERSION}.tar.gz"
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cp "$HERE/statx_mnt_id.h" "$WORK/proot/src/tracee/statx_mnt_id.h"
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cp "$HERE/profile.h" "$WORK/proot/src/syscall/profile.h"
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for patch in "$HERE"/patches/*.patch; do
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patch -d "$WORK/proot" -p1 --forward --quiet < "$patch"
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done
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mkdir -p "$WORK/talloc/config"
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cp "$HERE/talloc-config.h" "$WORK/talloc/config/config.h"
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"$CC" -c -O2 -fPIC -ffile-prefix-map="$WORK"=. -D__STDC_WANT_LIB_EXT1__=1 -DHAVE_CONFIG_H \
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-I"$WORK/talloc/config" -I"$WORK/talloc" -I"$WORK/talloc/lib/replace" \
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-o "$WORK/talloc.o" "$WORK/talloc/talloc.c"
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"$TOOLCHAIN/llvm-ar" rcs "$WORK/libtalloc.a" "$WORK/talloc.o"
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mkdir -p "$WORK/bin"
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ln -s "$TOOLCHAIN/llvm-readelf" "$WORK/bin/readelf"
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# loader-info.awk needs strtonum, which mawk (the default awk on some runners) lacks.
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if command -v gawk >/dev/null; then
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ln -s "$(command -v gawk)" "$WORK/bin/awk"
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elif ! awk 'BEGIN { exit !(strtonum("0x10") == 16) }' 2>/dev/null; then
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echo "gawk, or an awk with strtonum, is required to build the proot loader" >&2
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exit 1
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fi
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PATH="$WORK/bin:$PATH" make -C "$WORK/proot/src" -j"$(getconf _NPROCESSORS_ONLN)" \
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CC="$CC" STRIP="$TOOLCHAIN/llvm-strip" OBJCOPY="$TOOLCHAIN/llvm-objcopy" OBJDUMP="$TOOLCHAIN/llvm-objdump" \
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CPPFLAGS="-D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -I. -I$WORK/talloc -DARG_MAX=131072 -Wno-error=implicit-function-declaration" \
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LDFLAGS="$WORK/libtalloc.a -Wl,-z,noexecstack" \
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PROOT_UNBUNDLE_LOADER=/nonexistent proot loader
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install -m755 "$WORK/proot/src/proot" "$OUTDIR/libproot.so"
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install -m755 "$WORK/proot/src/loader/loader" "$OUTDIR/libproot-loader.so"
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"$TOOLCHAIN/llvm-strip" --strip-unneeded "$OUTDIR/libproot.so"
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"$TOOLCHAIN/llvm-strip" --strip-unneeded "$OUTDIR/libproot-loader.so"
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grep -q '^#define HAVE_SECCOMP_FILTER' "$WORK/proot/src/build.h" || { echo "ERROR: proot was built without seccomp acceleration"; exit 1; }
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grep -q '^#define HAVE_PROCESS_VM' "$WORK/proot/src/build.h" || { echo "ERROR: proot was built without process_vm"; exit 1; }
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NEEDED=$("$TOOLCHAIN/llvm-readelf" -d "$OUTDIR/libproot.so" | sed -n 's/.*NEEDED.*\[\(.*\)\]/\1/p' | tr '\n' ' ')
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echo "libproot.so NEEDED: $NEEDED"
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for lib in $NEEDED; do
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case $lib in libc.so|libdl.so|libm.so) ;;
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*) echo "ERROR: unexpected dependency $lib"; exit 1 ;;
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esac
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done
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ls -l "$OUTDIR/libproot.so" "$OUTDIR/libproot-loader.so"
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