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upx/misc/testsuite/test_symlinks.sh
Markus F.X.J. Oberhumer 038743c694 CI updates
2024-05-02 03:21:27 +02:00

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#! /usr/bin/env bash
## vim:set ts=4 sw=4 et:
set -e; set -o pipefail
argv0=$0; argv0abs=$(readlink -fn "$argv0"); argv0dir=$(dirname "$argv0abs")
#
# Copyright (C) Markus Franz Xaver Johannes Oberhumer
#
# test file system behaviour with symlinks; requires:
# $upx_exe (required, but with convenience fallback "./upx")
# optional settings:
# $upx_exe_runner (e.g. "qemu-x86_64 -cpu Nehalem" or "valgrind")
# $upx_test_file
#
# IMPORTANT NOTE: this script only works on Unix
# IMPORTANT NOTE: do NOT run as user root!
umask 0022
# disable on macOS for now, see https://github.com/upx/upx/issues/612
if [[ "$(uname)" == Darwin ]]; then
case "$UPX_DEBUG_FORCE_PACK_MACOS" in
"" | "0") echo "$0: SKIPPED"; exit 0 ;;
esac
fi
id || true
echo "PWD='$PWD'"
if [[ $UID == 0 || $EUID == 0 ]]; then
echo "ERROR: do not run as root: UID=$UID EUID=$EUID"
exit 91
fi
#***********************************************************************
# init & checks
#***********************************************************************
# upx_exe
[[ -z $upx_exe && -f ./upx && -x ./upx ]] && upx_exe=./upx # convenience fallback
if [[ -z $upx_exe ]]; then echo "UPX-ERROR: please set \$upx_exe"; exit 1; fi
if [[ ! -f $upx_exe ]]; then echo "UPX-ERROR: file '$upx_exe' does not exist"; exit 1; fi
upx_exe=$(readlink -fn "$upx_exe") # make absolute
[[ -f $upx_exe ]] || exit 1
# set emu and run_upx
emu=()
if [[ -n $upx_exe_runner ]]; then
# usage examples:
# export upx_exe_runner="qemu-x86_64 -cpu Nehalem"
# export upx_exe_runner="valgrind --leak-check=no --error-exitcode=1 --quiet"
# export upx_exe_runner="wine"
IFS=' ' read -r -a emu <<< "$upx_exe_runner" # split at spaces into array
elif [[ -n $CMAKE_CROSSCOMPILING_EMULATOR ]]; then
IFS=';' read -r -a emu <<< "$CMAKE_CROSSCOMPILING_EMULATOR" # split at semicolons into array
fi
run_upx=( "${emu[@]}" "$upx_exe" )
echo "run_upx='${run_upx[*]}'"
# run_upx sanity check
if ! "${run_upx[@]}" --version-short >/dev/null; then echo "UPX-ERROR: FATAL: upx --version-short FAILED"; exit 1; fi
if ! "${run_upx[@]}" -L >/dev/null 2>&1; then echo "UPX-ERROR: FATAL: upx -L FAILED"; exit 1; fi
if ! "${run_upx[@]}" --help >/dev/null; then echo "UPX-ERROR: FATAL: upx --help FAILED"; exit 1; fi
#***********************************************************************
# util functions
#***********************************************************************
exit_code=0
num_errors=0
all_errors=
failed() {
####exit $1
# log error and keep going
exit_code=1
local a="$(basename "$(dirname "$PWD")")"
local b="$(basename "$PWD")"
let num_errors+=1 || true
all_errors="${all_errors} $a/$b/$1"
echo " FAILED $b/$1"
}
assert_file() {
local f
for f in "$@"; do
[[ ! -L "$f" && -f "$f" ]] && continue
echo "failed '$f': not a regular file"
failed 21
done
}
assert_symlink_to_file() {
local f
for f in "$@"; do
[[ -L "$f" && -f "$f" ]] && continue
echo "failed '$f': not a symlink to file"
failed 22
done
}
assert_symlink_to_dir() {
local f
for f in "$@"; do
[[ -L "$f" && -d "$f" ]] && continue
echo "failed '$f': not a symlink to dir"
failed 23
done
}
assert_symlink_dangling() {
local f
for f in "$@"; do
[[ -L "$f" && ! -e "$f" ]] && continue
echo "failed '$f': not a dangling symlink"
failed 24
done
}
copy_directory() {
if command -v rsync >/dev/null; then
rsync -aH "$1/" "$2"
else
cp -ai "$1" "$2"
fi
}
create_files() {
# clean
local d
for d in z_dir_1 z_dir_2 z_dir_3 z_dir_4; do
if [[ -d $d ]]; then
chmod -R +rwx "./$d"
rm -rf "./$d"
fi
done
mkdir z_dir_1
cd z_dir_1
: > z_file
ln -s z_file z_symlink_file
: > z_file_link_1
ln z_file_link_1 z_file_link_2
ln -s z_file_link_1 z_symlink_file_link
mkdir z_dir
ln -s z_dir z_symlink_dir
ln -s z_file_missing z_symlink_dangling
assert_file z_file*
assert_symlink_to_file z_symlink_file
assert_symlink_to_dir z_symlink_dir
assert_symlink_dangling z_symlink_dangling
cd ..
# write-protect z_dir_2/z_file*
copy_directory z_dir_1 z_dir_2
chmod a-w z_dir_2/z_file*
# write-protect z_dir_3 itself
copy_directory z_dir_1 z_dir_3
chmod a-w z_dir_3
# write-protect everything in z_dir_4
copy_directory z_dir_1 z_dir_4
chmod -R a-w z_dir_4
}
print_header() {
local x='==========='; x="$x$x$x$x$x$x$x"
echo -e "\n${x}\n${1}\n${x}\n"
}
enter_dir() {
cd "$1" || exit 1
echo "===== $(basename "$PWD")"
}
leave_dir() {
echo "===== $(basename "$PWD") files"
ls -lA
cd ..
}
#***********************************************************************
# setup
#***********************************************************************
#set -x # debug
export UPX="--prefer-ucl --no-color --no-progress"
export UPX_DEBUG_DISABLE_GITREV_WARNING=1
export UPX_DEBUG_DOCTEST_DISABLE=1 # already checked above
# get $test_file
if [[ -f $upx_test_file ]]; then
test_file="$(readlink -fn "$upx_test_file")"
else
for test_file in /usr/bin/gmake /usr/bin/make /usr/bin/env /bin/ls; do
if [[ -f $test_file ]]; then
test_file="$(readlink -fn "$test_file")"
break
fi
done
fi
ls -l "$test_file"
file "$test_file" || true
# create and enter a tmpdir in the current directory
tmpdir="$(mktemp -d tmp-upx-test-XXXXXX)"
cd "./$tmpdir" || exit 1
#***********************************************************************
# default
#***********************************************************************
print_header "default"
flags="-qq -2 --no-filter"
mkdir default
cd default
create_files
enter_dir z_dir_1
"${run_upx[@]}" $flags z_symlink_file && failed 10
"${run_upx[@]}" $flags "$test_file" -o z_file_new || failed 11
"${run_upx[@]}" $flags "$test_file" -o z_dir && failed 12
"${run_upx[@]}" $flags "$test_file" -o z_file && failed 13
"${run_upx[@]}" $flags "$test_file" -o z_file_link_1 && failed 14
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file && failed 15
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link && failed 16
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir && failed 17
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling && failed 18
assert_symlink_to_file z_symlink_file z_symlink_file_link
assert_symlink_to_dir z_symlink_dir
assert_symlink_dangling z_symlink_dangling
leave_dir
enter_dir z_dir_2
"${run_upx[@]}" $flags z_symlink_file && failed 10
"${run_upx[@]}" $flags "$test_file" -o z_file_new || failed 11
"${run_upx[@]}" $flags "$test_file" -o z_dir && failed 12
"${run_upx[@]}" $flags "$test_file" -o z_file && failed 13
"${run_upx[@]}" $flags "$test_file" -o z_file_link_1 && failed 14
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file && failed 15
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link && failed 16
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir && failed 17
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling && failed 18
assert_symlink_to_file z_symlink_file z_symlink_file_link
assert_symlink_to_dir z_symlink_dir
assert_symlink_dangling z_symlink_dangling
leave_dir
enter_dir z_dir_3
"${run_upx[@]}" $flags z_symlink_file && failed 10
"${run_upx[@]}" $flags "$test_file" -o z_file_new && failed 11
"${run_upx[@]}" $flags "$test_file" -o z_dir && failed 12
"${run_upx[@]}" $flags "$test_file" -o z_file && failed 13
"${run_upx[@]}" $flags "$test_file" -o z_file_link_1 && failed 14
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file && failed 15
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link && failed 16
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir && failed 17
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling && failed 18
assert_symlink_to_file z_symlink_file z_symlink_file_link
assert_symlink_to_dir z_symlink_dir
assert_symlink_dangling z_symlink_dangling
leave_dir
enter_dir z_dir_4
"${run_upx[@]}" $flags z_symlink_file && failed 10
"${run_upx[@]}" $flags "$test_file" -o z_file_new && failed 11
"${run_upx[@]}" $flags "$test_file" -o z_dir && failed 12
"${run_upx[@]}" $flags "$test_file" -o z_file && failed 13
"${run_upx[@]}" $flags "$test_file" -o z_file_link_1 && failed 14
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file && failed 15
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link && failed 16
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir && failed 17
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling && failed 18
assert_symlink_to_file z_symlink_file z_symlink_file_link
assert_symlink_to_dir z_symlink_dir
assert_symlink_dangling z_symlink_dangling
leave_dir
cd ..
#***********************************************************************
# force-overwrite
#***********************************************************************
print_header "force-overwrite"
flags="-qq -2 --no-filter --force-overwrite"
mkdir force-overwrite
cd force-overwrite
create_files
enter_dir z_dir_1
"${run_upx[@]}" $flags z_symlink_file && failed 10
"${run_upx[@]}" $flags "$test_file" -o z_file_new || failed 11
"${run_upx[@]}" $flags "$test_file" -o z_dir && failed 12
"${run_upx[@]}" $flags "$test_file" -o z_file || failed 13
"${run_upx[@]}" $flags "$test_file" -o z_file_link_1 || failed 14
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file || failed 15
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir || failed 17
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling || failed 18
assert_file z_symlink_file z_symlink_file_link
assert_file z_symlink_dir
assert_file z_symlink_dangling
leave_dir
enter_dir z_dir_2
"${run_upx[@]}" $flags z_symlink_file && failed 10
"${run_upx[@]}" $flags "$test_file" -o z_file_new || failed 11
"${run_upx[@]}" $flags "$test_file" -o z_dir && failed 12
"${run_upx[@]}" $flags "$test_file" -o z_file || failed 13
"${run_upx[@]}" $flags "$test_file" -o z_file_link_1 || failed 14
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file || failed 15
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir || failed 17
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling || failed 18
assert_file z_symlink_file z_symlink_file_link
assert_file z_symlink_dir
assert_file z_symlink_dangling
leave_dir
enter_dir z_dir_3
"${run_upx[@]}" $flags z_symlink_file && failed 10
"${run_upx[@]}" $flags "$test_file" -o z_file_new && failed 11
"${run_upx[@]}" $flags "$test_file" -o z_dir && failed 12
"${run_upx[@]}" $flags "$test_file" -o z_file || failed 13
"${run_upx[@]}" $flags "$test_file" -o z_file_link_1 || failed 14
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file || failed 15
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir && failed 17
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling && failed 18
assert_symlink_to_file z_symlink_file z_symlink_file_link
assert_symlink_to_dir z_symlink_dir
assert_symlink_dangling z_symlink_dangling
leave_dir
enter_dir z_dir_4
"${run_upx[@]}" $flags z_symlink_file && failed 10
"${run_upx[@]}" $flags "$test_file" -o z_file_new && failed 11
"${run_upx[@]}" $flags "$test_file" -o z_dir && failed 12
"${run_upx[@]}" $flags "$test_file" -o z_file || failed 13
"${run_upx[@]}" $flags "$test_file" -o z_file_link_1 || failed 14
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file || failed 15
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir && failed 17
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling && failed 18
assert_symlink_to_file z_symlink_file z_symlink_file_link
assert_symlink_to_dir z_symlink_dir
assert_symlink_dangling z_symlink_dangling
leave_dir
cd ..
#***********************************************************************
# link
#***********************************************************************
print_header "link"
flags="-qq -2 --no-filter --link"
mkdir link
cd link
create_files
enter_dir z_dir_1
"${run_upx[@]}" $flags z_symlink_file && failed 10
"${run_upx[@]}" $flags "$test_file" -o z_file_new || failed 11
"${run_upx[@]}" $flags "$test_file" -o z_dir && failed 12
"${run_upx[@]}" $flags "$test_file" -o z_file || failed 13
"${run_upx[@]}" $flags "$test_file" -o z_file_link_1 || failed 14
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file || failed 15
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir || failed 17
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling || failed 18
assert_file z_symlink_file z_symlink_file_link
assert_file z_symlink_dir
assert_file z_symlink_dangling
leave_dir
enter_dir z_dir_2
"${run_upx[@]}" $flags z_symlink_file && failed 10
"${run_upx[@]}" $flags "$test_file" -o z_file_new || failed 11
"${run_upx[@]}" $flags "$test_file" -o z_dir && failed 12
"${run_upx[@]}" $flags "$test_file" -o z_file && failed 13
"${run_upx[@]}" $flags "$test_file" -o z_file_link_1 && failed 14
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file || failed 15
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir || failed 17
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling || failed 18
assert_file z_symlink_file z_symlink_file_link
assert_file z_symlink_dir
assert_file z_symlink_dangling
leave_dir
enter_dir z_dir_3
"${run_upx[@]}" $flags z_symlink_file && failed 10
"${run_upx[@]}" $flags "$test_file" -o z_file_new && failed 11
"${run_upx[@]}" $flags "$test_file" -o z_dir && failed 12
"${run_upx[@]}" $flags "$test_file" -o z_file || failed 13
"${run_upx[@]}" $flags "$test_file" -o z_file_link_1 || failed 14
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file || failed 15
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir && failed 17
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling && failed 18
assert_symlink_to_file z_symlink_file z_symlink_file_link
assert_symlink_to_dir z_symlink_dir
assert_symlink_dangling z_symlink_dangling
leave_dir
enter_dir z_dir_4
"${run_upx[@]}" $flags z_symlink_file && failed 10
"${run_upx[@]}" $flags "$test_file" -o z_file_new && failed 11
"${run_upx[@]}" $flags "$test_file" -o z_dir && failed 12
"${run_upx[@]}" $flags "$test_file" -o z_file && failed 13
"${run_upx[@]}" $flags "$test_file" -o z_file_link_1 && failed 14
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file || failed 15
"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir && failed 17
"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling && failed 18
assert_symlink_to_file z_symlink_file z_symlink_file_link
assert_symlink_to_dir z_symlink_dir
assert_symlink_dangling z_symlink_dangling
leave_dir
cd ..
#***********************************************************************
# done
#***********************************************************************
# clean up
cd ..
chmod -R +rwx "./$tmpdir"
rm -rf "./$tmpdir"
if [[ $exit_code == 0 ]]; then
echo "UPX testsuite passed. All done."
else
echo "UPX-ERROR: UPX testsuite FAILED:${all_errors}"
echo "UPX-ERROR: UPX testsuite FAILED with $num_errors error(s). See log file."
fi
exit $exit_code
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