The code is simplified
This commit is contained in:
parent
62101b193f
commit
989550aea1
195
packelf.sh
195
packelf.sh
|
|
@ -3,141 +3,92 @@
|
|||
set -e
|
||||
|
||||
# These vars will be modified automatically with sed
|
||||
run_mode=packer
|
||||
compress_flag=-z
|
||||
program=
|
||||
ld_so=
|
||||
|
||||
load() {
|
||||
script_path="$0"
|
||||
|
||||
while link_path=$(readlink "$script_path"); do
|
||||
script_path="$link_path"
|
||||
done
|
||||
|
||||
unpack_dir=$(dirname "$script_path")
|
||||
|
||||
exec "$unpack_dir/$program.res/$ld_so" \
|
||||
--library-path "$unpack_dir/$program.res" \
|
||||
"$unpack_dir/$program.res/$program" "$@"
|
||||
# unreachable
|
||||
}
|
||||
|
||||
if [ "$run_mode" = loader ]; then
|
||||
load "$@"
|
||||
fi
|
||||
|
||||
pack_help() {
|
||||
echo "$0 <ELF_SRC_PATH> <DST_PATH> [ADDITIONAL_LIBS]"
|
||||
unpack() {
|
||||
filename=$1
|
||||
echo "#!/usr/bin/env sh" > $filename
|
||||
echo "#set -o pipefail # bash extension" >> $filename
|
||||
echo "set -e" >> $filename
|
||||
echo "" >> $filename
|
||||
echo "compress_flag=$compress_flag" >> $filename
|
||||
echo "executable_run=$2" >> $filename
|
||||
echo "tmp_parent=/tmp" >> $filename
|
||||
echo 'if [ "$1" = "--packelf-extract" ] ; then' >> $filename
|
||||
echo ' mkdir -p packelf-files' >> $filename
|
||||
echo " echo \"Extracting to 'packelf-files'\"" >> $filename
|
||||
echo " sed '1,/^#__END__\$/d' \"\$0\" | tar \$compress_flag -x -C packelf-files" >> $filename
|
||||
echo " exit 0" >> $filename
|
||||
echo "fi" >> $filename
|
||||
echo 'mkdir -p "$tmp_parent"' >> $filename
|
||||
echo 'unpack_dir=$(mktemp -d -p "$tmp_parent" || echo "$tmp_parent")' >> $filename
|
||||
echo "sed '1,/^#__END__\$/d' \"\$0\" | tar \$compress_flag -x -C \"\$unpack_dir\"" >> $filename
|
||||
echo "chmod 777 -R \"\$unpack_dir\"/* 2> /dev/null" >> $filename
|
||||
echo '"$unpack_dir/$executable_run" "$@"' >> $filename
|
||||
echo "rm -rf \$unpack_dir" >> $filename
|
||||
echo "exit 0" >> $filename
|
||||
echo "#__END__" >> $filename
|
||||
}
|
||||
|
||||
pack() {
|
||||
[ $# -ge 2 ] || {
|
||||
pack_help
|
||||
exit 1
|
||||
}
|
||||
|
||||
case $1 in
|
||||
-h|--help)
|
||||
pack_help
|
||||
folder=$1
|
||||
filename=$2
|
||||
executable_run=$3
|
||||
temp_file=$(mktemp)
|
||||
current_dir=$(pwd)
|
||||
if [ ! -d "$folder" ] ; then
|
||||
echo "Folder $folder does not exist"
|
||||
exit 0
|
||||
;;
|
||||
*)
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
#echo "Creating executable $2"
|
||||
unpack $filename $executable_run
|
||||
cd $folder
|
||||
chmod 777 -R * 2> /dev/null
|
||||
tar $compress_flag -c -f $temp_file *
|
||||
cd ${current_dir}
|
||||
cat $temp_file >> $filename
|
||||
rm -rf $temp_file
|
||||
echo "Created successfully"
|
||||
}
|
||||
|
||||
src="$1"
|
||||
shift
|
||||
dst="$1"
|
||||
shift
|
||||
help() {
|
||||
echo "$0 <ELF_SRC_PATH> <DST_PATH>"
|
||||
exit 0
|
||||
}
|
||||
|
||||
libs="$(ldd "$src" | grep -F '/' | sed -E 's|[^/]*/([^ ]+).*?|/\1|')"
|
||||
if [ ! -z "$1" ] ; then
|
||||
if [ ! -f "$1" ] ; then
|
||||
echo "$0: File $1 does not exist"
|
||||
exit 1
|
||||
else
|
||||
libs="$(ldd "$1" | grep -F '/' | sed -E 's|[^/]*/([^ ]+).*?|/\1|')"
|
||||
ld_so="$(echo "$libs" | grep -F '/ld-linux-' || echo "$libs" | grep -F '/ld-musl-' || echo "$libs" | grep -F '/ld.so')"
|
||||
ld_so="$(basename "$ld_so")"
|
||||
program="$(basename "$src")"
|
||||
|
||||
cat "$0" | sed -E \
|
||||
-e 's/^run_mode=[^ ]*$/run_mode=unpacker/' \
|
||||
-e 's/^compress_flag=[^ ]*$/compress_flag='"$compress_flag"'/' \
|
||||
-e 's/^program=[^ ]*$/program='"$program"'/' \
|
||||
-e 's/^ld_so=[^ ]*$/ld_so='"$ld_so"'/' \
|
||||
>"$dst"
|
||||
|
||||
echo "Creating static executable $dst from $src"
|
||||
for libraries in ${libs} ; do
|
||||
echo "Linking library ${libraries}"
|
||||
done
|
||||
echo "Creating executable linker"
|
||||
echo "Building static executable in $dst"
|
||||
tar $compress_flag -ch --transform 's@.*/@'"$program"'.res/@' "$src" $libs "$@" >>"$dst"
|
||||
|
||||
chmod +x "$dst"
|
||||
echo "Created successfully"
|
||||
#echo "'$src' was packed to '$dst'"
|
||||
echo ""
|
||||
echo "$dst" | grep -q / || dst="./$dst"
|
||||
echo "Just run '$dst <ARGS>' to execute the command."
|
||||
echo "Or run 'PACKELF_UNPACK_DIR=xxx $dst' to unpack it only."
|
||||
}
|
||||
|
||||
unpack() {
|
||||
if [ -n "$PACKELF_UNPACK_DIR" ]; then
|
||||
[ -d "$PACKELF_UNPACK_DIR" ] || {
|
||||
echo "'$PACKELF_UNPACK_DIR' is not a dir."
|
||||
program="$(basename "$1")"
|
||||
if [ -z "$libs" ] ; then
|
||||
echo "$0: Not a dynamic executable"
|
||||
exit 1
|
||||
}
|
||||
[ -e "$PACKELF_UNPACK_DIR/$program" ] && {
|
||||
echo "'$PACKELF_UNPACK_DIR/$program' already exists, please remove it first."
|
||||
exit 1
|
||||
}
|
||||
unpack_dir="$PACKELF_UNPACK_DIR"
|
||||
|
||||
else
|
||||
if [ -n "$PACKELF_TMP_DIR" ]; then
|
||||
unpack_dir="$PACKELF_TMP_DIR"
|
||||
else
|
||||
tmp_parent=/tmp
|
||||
mkdir -p "$tmp_parent"
|
||||
unpack_dir=$(mktemp -d -p "$tmp_parent" || echo "$tmp_parent")
|
||||
fi
|
||||
|
||||
trap 'rm -rf "$unpack_dir"' 0 1 2 3 6 10 12 13 14 15
|
||||
fi
|
||||
|
||||
check_path="$unpack_dir/__check_permission__"
|
||||
if ! (echo > "$check_path" && chmod +x "$check_path" && [ -x "$check_path" ]); then
|
||||
rm -rf "$unpack_dir"
|
||||
tmp_parent="$(pwd)/packelf_tmp"
|
||||
mkdir -p "$tmp_parent"
|
||||
unpack_dir="$(mktemp -d -p "$tmp_parent" || echo "$tmp_parent")"
|
||||
fi
|
||||
|
||||
sed '1,/^#__END__$/d' "$0" | tar $compress_flag -x -C "$unpack_dir"
|
||||
sed -i 's@/etc/ld.so.preload@/etc/___so.preload@g' "$unpack_dir/$program.res/$ld_so"
|
||||
|
||||
if [ -n "$PACKELF_UNPACK_DIR" ]; then
|
||||
sed '/^#__END__$/,$d' "$0" > "$unpack_dir/$program"
|
||||
sed -i -E 's/^run_mode=\w*$/run_mode=loader/' "$unpack_dir/$program"
|
||||
chmod +x "$unpack_dir/$program"
|
||||
rm -f "$check_path"
|
||||
echo "'$program' was unpacked to '$unpack_dir'."
|
||||
echo "$unpack_dir" | grep -q / || unpack_dir="./$unpack_dir"
|
||||
echo "You can run '$unpack_dir/$program ARGS...' to execute the command."
|
||||
|
||||
else
|
||||
"$unpack_dir/$program.res/$ld_so" \
|
||||
--library-path "$unpack_dir/$program.res" \
|
||||
"$unpack_dir/$program.res/$program" "$@"
|
||||
exit $?
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
if [ "$run_mode" = unpacker ]; then
|
||||
unpack "$@"
|
||||
else
|
||||
pack "$@"
|
||||
help
|
||||
exit 0
|
||||
fi
|
||||
|
||||
if [ -z "$2" ] ; then
|
||||
help
|
||||
else
|
||||
temp_dir=$(mktemp -d)
|
||||
echo "Creating static binary ${2} from ${1}"
|
||||
echo "Linking libraries"
|
||||
cp -L ${1} ${temp_dir}/
|
||||
for libraries in ${libs} ; do
|
||||
cp -L ${libraries} ${temp_dir}/
|
||||
done
|
||||
echo "#!/usr/bin/env sh" > ${temp_dir}/AppRun
|
||||
echo "" >> ${temp_dir}/AppRun
|
||||
echo "\$(dirname \$0)/${ld_so} --library-path \$(dirname \$0) \$(dirname \$0)/${program} \"\$@\"" >> ${temp_dir}/AppRun
|
||||
chmod 777 -R "$temp_dir"
|
||||
pack "$temp_dir" "$2" AppRun
|
||||
fi
|
||||
|
||||
exit 0
|
||||
#__END__
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user