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systemd/test/test-functions
Luca Boccassi c5fd89adcd core: make libbpf a dlopen() dependency
2021-05-25 12:59:26 +01:00

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#!/usr/bin/env bash
# shellcheck disable=SC2031
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh tw=180
# Note: the shellcheck line above disables warning for variables which were
# modified in a subshell. In our case this behavior is expected, but
# `shellcheck` can't distinguish this because of poor variable tracking,
# which results in warning for every instance of such variable used
# throughout this file.
# See:
# * comment in function install_verity_minimal()
# * koalaman/shellcheck#280
set -o pipefail
PATH=/sbin:/bin:/usr/sbin:/usr/bin
export PATH
os_release=$(test -e /etc/os-release && echo /etc/os-release || echo /usr/lib/os-release)
# shellcheck source=/dev/null
source "$os_release"
[[ "$ID" = "debian" || " $ID_LIKE " = *" debian "* ]] && LOOKS_LIKE_DEBIAN=yes || LOOKS_LIKE_DEBIAN=""
[[ "$ID" = "arch" || " $ID_LIKE " = *" arch "* ]] && LOOKS_LIKE_ARCH=yes || LOOKS_LIKE_ARCH=""
[[ " $ID_LIKE " = *" suse "* ]] && LOOKS_LIKE_SUSE=yes || LOOKS_LIKE_SUSE=""
KERNEL_VER="${KERNEL_VER-$(uname -r)}"
QEMU_TIMEOUT="${QEMU_TIMEOUT:-infinity}"
NSPAWN_TIMEOUT="${NSPAWN_TIMEOUT:-infinity}"
TIMED_OUT= # will be 1 after run_* if *_TIMEOUT is set and test timed out
[[ "$LOOKS_LIKE_SUSE" ]] && FSTYPE="${FSTYPE:-btrfs}" || FSTYPE="${FSTYPE:-ext4}"
UNIFIED_CGROUP_HIERARCHY="${UNIFIED_CGROUP_HIERARCHY:-default}"
EFI_MOUNT="${EFI_MOUNT:-$(bootctl -x 2>/dev/null || echo /boot)}"
QEMU_MEM="${QEMU_MEM:-512M}"
# Note that defining a different IMAGE_NAME in a test setup script will only result
# in default.img being copied and renamed. It can then be extended by defining
# a test_append_files() function. The $1 parameter will be the root directory.
# To force creating a new image from scratch (eg: to encrypt it), also define
# TEST_FORCE_NEWIMAGE=1 in the test setup script.
IMAGE_NAME=${IMAGE_NAME:-default}
TEST_REQUIRE_INSTALL_TESTS="${TEST_REQUIRE_INSTALL_TESTS:-1}"
TEST_PARALLELIZE="${TEST_PARALLELIZE:-0}"
LOOPDEV=
# Decide if we can (and want to) run QEMU with KVM acceleration.
# Check if nested KVM is explicitly enabled (TEST_NESTED_KVM). If not,
# check if it's not explicitly disabled (TEST_NO_KVM) and we're not already
# running under KVM. If these conditions are met, enable KVM (and possibly
# nested KVM), otherwise disable it.
if [[ -n "${TEST_NESTED_KVM:=}" || ( -z "${TEST_NO_KVM:=}" && $(systemd-detect-virt -v) != kvm ) ]]; then
QEMU_KVM=yes
else
QEMU_KVM=no
fi
if ! ROOTLIBDIR=$(pkg-config --variable=systemdutildir systemd); then
echo "WARNING! Cannot determine rootlibdir from pkg-config, assuming /usr/lib/systemd" >&2
ROOTLIBDIR=/usr/lib/systemd
fi
# The calling test.sh scripts have TEST_BASE_DIR set via their Makefile, but we don't need them to provide it
TEST_BASE_DIR=${TEST_BASE_DIR:-$(realpath "$(dirname "${BASH_SOURCE[0]}")")}
TEST_UNITS_DIR="$(realpath "$TEST_BASE_DIR/units")"
SOURCE_DIR=$(realpath "$TEST_BASE_DIR/..")
TOOLS_DIR="$SOURCE_DIR/tools"
# These variables are used by test scripts
export TEST_BASE_DIR TEST_UNITS_DIR SOURCE_DIR TOOLS_DIR
# note that find-build-dir.sh will return $BUILD_DIR if provided, else it will try to find it
if ! BUILD_DIR="$("$TOOLS_DIR"/find-build-dir.sh)"; then
if [ "$NO_BUILD" ]; then
BUILD_DIR="$SOURCE_DIR"
else
echo "ERROR: no build found, please set BUILD_DIR or use NO_BUILD" >&2
exit 1
fi
fi
PATH_TO_INIT="$ROOTLIBDIR/systemd"
SYSTEMD_JOURNALD="${SYSTEMD_JOURNALD:-$(command -v "$BUILD_DIR/systemd-journald" || command -v "$ROOTLIBDIR/systemd-journald")}"
SYSTEMD_JOURNAL_REMOTE="${SYSTEMD_JOURNAL_REMOTE:-$(command -v "$BUILD_DIR/systemd-journal-remote" || command -v "$ROOTLIBDIR/systemd-journal-remote")}"
SYSTEMD="${SYSTEMD:-$(command -v "$BUILD_DIR/systemd" || command -v "$ROOTLIBDIR/systemd")}"
SYSTEMD_NSPAWN="${SYSTEMD_NSPAWN:-$(command -v "$BUILD_DIR/systemd-nspawn" || command -v systemd-nspawn)}"
JOURNALCTL="${JOURNALCTL:-$(command -v "$BUILD_DIR/journalctl" || command -v journalctl)}"
TESTFILE="${BASH_SOURCE[1]}"
if [ -z "$TESTFILE" ]; then
echo "ERROR: test-functions must be sourced from one of the TEST-*/test.sh scripts" >&2
exit 1
fi
TESTNAME="$(basename "$(dirname "$(realpath "$TESTFILE")")")"
STATEDIR="$BUILD_DIR/test/$TESTNAME"
STATEFILE="$STATEDIR/.testdir"
IMAGESTATEDIR="$STATEDIR/.."
TESTLOG="$STATEDIR/test.log"
if ! [[ "$TESTNAME" =~ ^TEST\-([0-9]+)\-.+$ ]]; then
echo "ERROR: Test name '$TESTNAME' is not in the expected format: TEST-[0-9]+-*" >&2
exit 1
fi
TESTID="${BASH_REMATCH[1]:?}"
if [[ ! -f "$TEST_UNITS_DIR/testsuite-$TESTID.service" ]]; then
echo "ERROR: Test '$TESTNAME' is missing its service file '$TEST_UNITS_DIR/testsuite-$TESTID.service" >&2
exit 1
fi
BASICTOOLS=(
awk
basename
bash
busybox
capsh
cat
chmod
chown
cmp
cryptsetup
cut
date
dd
diff
dirname
dmsetup
echo
env
false
getconf
getent
getfacl
grep
gunzip
gzip
head
ionice
ip
ln
loadkeys
login
lz4cat
mkfifo
mktemp
modprobe
mount
mountpoint
mv
nc
nproc
readlink
rev
rm
rmdir
sed
seq
setfattr
setfont
setsid
sfdisk
sh
sleep
socat
stat
su
sulogin
sysctl
tail
tar
tee
test
timeout
touch
tr
true
truncate
umount
uname
unshare
xargs
xzcat
)
DEBUGTOOLS=(
cp
df
dhclient
dmesg
du
find
free
grep
hostname
id
less
ln
ls
mkdir
ping
ps
route
sort
strace
stty
tty
vi
)
is_built_with_asan() {
if ! type -P objdump >/dev/null; then
ddebug "Failed to find objdump. Assuming systemd hasn't been built with ASAN."
return 1
fi
# Borrowed from https://github.com/google/oss-fuzz/blob/cd9acd02f9d3f6e80011cc1e9549be526ce5f270/infra/base-images/base-runner/bad_build_check#L182
local _asan_calls
_asan_calls="$(objdump -dC "$SYSTEMD_JOURNALD" | grep -E "callq?\s+[0-9a-f]+\s+<__asan" -c)"
if ((_asan_calls < 1000)); then
return 1
else
return 0
fi
}
IS_BUILT_WITH_ASAN=$(is_built_with_asan && echo yes || echo no)
if [[ "$IS_BUILT_WITH_ASAN" = "yes" ]]; then
STRIP_BINARIES=no
SKIP_INITRD="${SKIP_INITRD:-yes}"
PATH_TO_INIT=$ROOTLIBDIR/systemd-under-asan
QEMU_MEM="2048M"
QEMU_SMP="${QEMU_SMP:-4}"
# We need to correctly distinguish between gcc's and clang's ASan DSOs.
if ASAN_RT_NAME="$(awk '/libasan.so/ {x=$1; exit} END {print x; exit x==""}' < <(ldd "$SYSTEMD"))"; then
ASAN_COMPILER=gcc
ASAN_RT_PATH="$(readlink -f "$(${CC:-gcc} --print-file-name "$ASAN_RT_NAME")")"
elif ASAN_RT_NAME="$(awk '/libclang_rt.asan/ {x=$1; exit} END {print x; exit x==""}' < <(ldd "$SYSTEMD"))"; then
ASAN_COMPILER=clang
ASAN_RT_PATH="$(readlink -f "$(${CC:-clang} --print-file-name "$ASAN_RT_NAME")")"
# As clang's ASan DSO is usually in a non-standard path, let's check if
# the environment is set accordingly. If not, warn the user and exit.
# We're not setting the LD_LIBRARY_PATH automagically here, because
# user should encounter (and fix) the same issue when running the unit
# tests (meson test)
if ldd "$SYSTEMD" | grep -q "libclang_rt.asan.*not found"; then
echo >&2 "clang's ASan DSO ($ASAN_RT_NAME) is not present in the runtime library path"
echo >&2 "Consider setting LD_LIBRARY_PATH=${ASAN_RT_PATH%/*}"
exit 1
fi
else
echo >&2 "systemd is not linked against the ASan DSO"
echo >&2 "gcc does this by default, for clang compile with -shared-libasan"
exit 1
fi
echo "Detected ASan RT '$ASAN_RT_NAME' located at '$ASAN_RT_PATH'"
fi
find_qemu_bin() {
QEMU_BIN="${QEMU_BIN:-""}"
# SUSE and Red Hat call the binary qemu-kvm. Debian and Gentoo call it kvm.
if [[ $QEMU_KVM == "yes" ]]; then
[[ -n "$QEMU_BIN" ]] || QEMU_BIN="$(command -v kvm qemu-kvm 2>/dev/null | grep '^/' -m1)"
fi
[[ -n "$ARCH" ]] || ARCH="$(uname -m)"
case $ARCH in
x86_64)
# QEMU's own build system calls it qemu-system-x86_64
[[ -n "$QEMU_BIN" ]] || QEMU_BIN="$(command -v qemu-system-x86_64 2>/dev/null | grep '^/' -m1)"
;;
i*86)
# new i386 version of QEMU
[[ -n "$QEMU_BIN" ]] || QEMU_BIN="$(command -v qemu-system-i386 2>/dev/null | grep '^/' -m1)"
# i386 version of QEMU
[[ -n "$QEMU_BIN" ]] || QEMU_BIN="$(command -v qemu 2>/dev/null | grep '^/' -m1)"
;;
ppc64*)
[[ -n "$QEMU_BIN" ]] || QEMU_BIN="$(command -v qemu-system-ppc64 2>/dev/null | grep '^/' -m1)"
;;
esac
if [[ ! -e "$QEMU_BIN" ]]; then
echo "Could not find a suitable QEMU binary" >&2
return 1
fi
}
# Compares argument #1=X.Y.Z (X&Y&Z = numeric) to the version of the installed qemu
# returns 0 if newer or equal
# returns 1 if older
# returns 2 if failing
qemu_min_version() {
find_qemu_bin || return 2
# get version from binary
local qemu_ver
qemu_ver="$("$QEMU_BIN" --version | awk '/^QEMU emulator version ([0-9]*\.[0-9]*\.[0-9]*)/ {print $4}')"
# Check version string format
echo "$qemu_ver" | grep -q '^[0-9]*\.[0-9]*\.[0-9]*$' || return 2
echo "$1" | grep -q '^[0-9]*\.[0-9]*\.[0-9]*$' || return 2
# compare as last command to return that value
printf "%s\n%s\n" "$1" "$qemu_ver" | sort -V -C
}
# Return 0 if QEMU did run (then you must check the result state/logs for actual
# success), or 1 if QEMU is not available.
run_qemu() {
if [ -f /etc/machine-id ]; then
read -r MACHINE_ID </etc/machine-id
[ -z "$INITRD" ] && [ -e "$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/initrd" ] \
&& INITRD="$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/initrd"
[ -z "$KERNEL_BIN" ] && [ -e "$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/linux" ] \
&& KERNEL_BIN="$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/linux"
fi
local CONSOLE=ttyS0
rm -f "$initdir"/{testok,failed,skipped}
# make sure the initdir is not mounted to avoid concurrent access
cleanup_initdir
umount_loopback
if [[ ! "$KERNEL_BIN" ]]; then
if [[ "$LOOKS_LIKE_ARCH" ]]; then
KERNEL_BIN=/boot/vmlinuz-linux
else
[ "$ARCH" ] || ARCH=$(uname -m)
case $ARCH in
ppc64*)
KERNEL_BIN="/boot/vmlinux-$KERNEL_VER"
CONSOLE=hvc0
;;
*)
KERNEL_BIN="/boot/vmlinuz-$KERNEL_VER"
;;
esac
fi
fi
local default_fedora_initrd="/boot/initramfs-${KERNEL_VER}.img"
local default_debian_initrd="/boot/initrd.img-${KERNEL_VER}"
local default_arch_initrd="/boot/initramfs-linux-fallback.img"
local default_suse_initrd="/boot/initrd-${KERNEL_VER}"
if [[ ! "$INITRD" ]]; then
if [[ -e "$default_fedora_initrd" ]]; then
INITRD="$default_fedora_initrd"
elif [[ "$LOOKS_LIKE_DEBIAN" && -e "$default_debian_initrd" ]]; then
INITRD="$default_debian_initrd"
elif [[ "$LOOKS_LIKE_ARCH" && -e "$default_arch_initrd" ]]; then
INITRD="$default_arch_initrd"
elif [[ "$LOOKS_LIKE_SUSE" && -e "$default_suse_initrd" ]]; then
INITRD="$default_suse_initrd"
fi
fi
# If QEMU_SMP was not explicitly set, try to determine the value 'dynamically'
# i.e. use the number of online CPUs on the host machine. If the nproc utility
# is not installed or there's some other error when calling it, fall back
# to the original value (QEMU_SMP=1).
if [[ -z "${QEMU_SMP:=}" ]]; then
if ! QEMU_SMP=$(nproc); then
dwarn "nproc utility is not installed, falling back to QEMU_SMP=1"
QEMU_SMP=1
fi
fi
find_qemu_bin || return 1
# Umount initdir to avoid concurrent access to the filesystem
_umount_dir "$initdir"
local kernel_params=()
local qemu_options=()
local qemu_cmd=("$QEMU_BIN")
if [[ "$UNIFIED_CGROUP_HIERARCHY" = "yes" ]]; then
kernel_params+=("systemd.unified_cgroup_hierarchy=yes")
elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "no" ]]; then
kernel_params+=("systemd.unified_cgroup_hierarchy=no" "systemd.legacy_systemd_cgroup_controller=yes")
elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "hybrid" ]]; then
kernel_params+=("systemd.unified_cgroup_hierarchy=no" "systemd.legacy_systemd_cgroup_controller=no")
elif [[ "$UNIFIED_CGROUP_HIERARCHY" != "default" ]]; then
dfatal "Unknown UNIFIED_CGROUP_HIERARCHY. Got $UNIFIED_CGROUP_HIERARCHY, expected [yes|no|hybrid|default]"
exit 1
fi
if [[ "$LOOKS_LIKE_SUSE" ]]; then
kernel_params+=("rd.hostonly=0")
fi
kernel_params+=(
"root=/dev/sda1"
"rw"
"raid=noautodetect"
"rd.luks=0"
"loglevel=2"
"init=$PATH_TO_INIT"
"console=$CONSOLE"
"selinux=0"
"SYSTEMD_UNIT_PATH=/usr/lib/systemd/tests/testdata/testsuite-$1.units:/usr/lib/systemd/tests/testdata/units:"
"systemd.unit=testsuite.target"
"systemd.wants=testsuite-$1.service"
)
if [[ ! "$INTERACTIVE_DEBUG" ]]; then
kernel_params+=("systemd.wants=end.service")
fi
[ -e "$IMAGE_PRIVATE" ] && image="$IMAGE_PRIVATE" || image="$IMAGE_PUBLIC"
qemu_options+=(
-smp "$QEMU_SMP"
-net none
-m "$QEMU_MEM"
-nographic
-kernel "$KERNEL_BIN"
-drive "format=raw,cache=unsafe,file=$image"
)
if [[ -n "${QEMU_OPTIONS:=}" ]]; then
local user_qemu_options
read -ra user_qemu_options <<< "$QEMU_OPTIONS"
qemu_options+=("${user_qemu_options[@]}")
fi
if [[ -n "${KERNEL_APPEND:=}" ]]; then
local user_kernel_append
read -ra user_kernel_append <<< "$KERNEL_APPEND"
kernel_params+=("${user_kernel_append[@]}")
fi
if [[ "$INITRD" && "$SKIP_INITRD" != "yes" ]]; then
qemu_options+=(-initrd "$INITRD")
fi
# Let's use KVM if possible
if [[ -c /dev/kvm && $QEMU_KVM == "yes" ]]; then
qemu_options+=(-machine "accel=kvm" -enable-kvm -cpu host)
fi
if [[ "$QEMU_TIMEOUT" != "infinity" ]]; then
qemu_cmd=(timeout --foreground "$QEMU_TIMEOUT" "$QEMU_BIN")
fi
(set -x; "${qemu_cmd[@]}" "${qemu_options[@]}" -append "${kernel_params[*]}")
rc=$?
if [ "$rc" = 124 ] && [ "$QEMU_TIMEOUT" != "infinity" ]; then
derror "test timed out after $QEMU_TIMEOUT s"
TIMED_OUT=1
else
[ "$rc" != 0 ] && derror "QEMU failed with exit code $rc"
fi
return 0
}
# Return 0 if nspawn did run (then you must check the result state/logs for actual
# success), or 1 if nspawn is not available.
run_nspawn() {
[[ -d /run/systemd/system ]] || return 1
rm -f "${initdir:?}"/{testok,failed,skipped}
local nspawn_cmd=()
local nspawn_options=(
"--register=no"
"--kill-signal=SIGKILL"
"--directory=${1:?}"
"--setenv=SYSTEMD_UNIT_PATH=/usr/lib/systemd/tests/testdata/testsuite-$2.units:/usr/lib/systemd/tests/testdata/units:"
)
local kernel_params=(
"$PATH_TO_INIT"
"systemd.unit=testsuite.target"
"systemd.wants=testsuite-$2.service"
)
if [[ ! "$INTERACTIVE_DEBUG" ]]; then
kernel_params+=("systemd.wants=end.service")
fi
if [[ -n "${NSPAWN_ARGUMENTS:=}" ]]; then
local user_nspawn_arguments
read -ra user_nspawn_arguments <<< "$NSPAWN_ARGUMENTS"
nspawn_options+=("${user_nspawn_arguments[@]}")
fi
if [[ -n "${KERNEL_APPEND:=}" ]]; then
local user_kernel_append
read -ra user_kernel_append <<< "$KERNEL_APPEND"
kernel_params+=("${user_kernel_append[@]}")
fi
if [[ "$UNIFIED_CGROUP_HIERARCHY" = "hybrid" ]]; then
dwarn "nspawn doesn't support SYSTEMD_NSPAWN_UNIFIED_HIERARCHY=hybrid, skipping"
exit
elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "yes" || "$UNIFIED_CGROUP_HIERARCHY" = "no" ]]; then
nspawn_cmd+=(env "SYSTEMD_NSPAWN_UNIFIED_HIERARCHY=$UNIFIED_CGROUP_HIERARCHY")
elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "default" ]]; then
nspawn_cmd+=(env "--unset=UNIFIED_CGROUP_HIERARCHY" "--unset=SYSTEMD_NSPAWN_UNIFIED_HIERARCHY")
else
dfatal "Unknown UNIFIED_CGROUP_HIERARCHY. Got $UNIFIED_CGROUP_HIERARCHY, expected [yes|no|hybrid|default]"
exit 1
fi
if [[ "$NSPAWN_TIMEOUT" != "infinity" ]]; then
nspawn_cmd+=(timeout --foreground "$NSPAWN_TIMEOUT" "$SYSTEMD_NSPAWN")
else
nspawn_cmd+=("$SYSTEMD_NSPAWN")
fi
(set -x; "${nspawn_cmd[@]}" "${nspawn_options[@]}" "${kernel_params[@]}")
rc=$?
if [ "$rc" = 124 ] && [ "$NSPAWN_TIMEOUT" != "infinity" ]; then
derror "test timed out after $NSPAWN_TIMEOUT s"
TIMED_OUT=1
else
[ "$rc" != 0 ] && derror "nspawn failed with exit code $rc"
fi
return 0
}
# Build two very minimal root images, with two units, one is the same and one is different across them
install_verity_minimal() {
dinfo "Set up a set of minimal images for verity verification"
if [ -e "$initdir/usr/share/minimal.raw" ]; then
return
fi
if ! command -v mksquashfs >/dev/null 2>&1; then
dfatal "mksquashfs not found"
exit 1
fi
if ! command -v veritysetup >/dev/null 2>&1; then
dfatal "veritysetup not found"
exit 1
fi
# Local modifications of some global variables is intentional in this
# subshell (SC2030)
# shellcheck disable=SC2030
(
BASICTOOLS=(
bash
cat
grep
mount
sleep
)
oldinitdir="$initdir"
rm -rfv "$TESTDIR/minimal"
export initdir="$TESTDIR/minimal"
mkdir -p "$initdir/usr/lib/systemd/system" "$initdir/usr/lib/extension-release.d" "$initdir/etc" "$initdir/var/tmp" "$initdir/opt"
setup_basic_dirs
install_basic_tools
# Shellcheck treats [[ -v VAR ]] as an assignment to avoid a different
# issue, thus falsely triggering SC2030 in this case
# See: koalaman/shellcheck#1409
if [[ -v ASAN_RT_PATH ]]; then
# If we're compiled with ASan, install the ASan RT (and its dependencies)
# into the verity images to get rid of the annoying errors about
# missing $LD_PRELOAD libraries.
inst_libs "$ASAN_RT_PATH"
inst_library "$ASAN_RT_PATH"
fi
cp "$os_release" "$initdir/usr/lib/os-release"
ln -s ../usr/lib/os-release "$initdir/etc/os-release"
touch "$initdir/etc/machine-id" "$initdir/etc/resolv.conf"
touch "$initdir/opt/some_file"
echo MARKER=1 >>"$initdir/usr/lib/os-release"
echo -e "[Service]\nExecStartPre=cat /usr/lib/os-release\nExecStart=sleep 120" >"$initdir/usr/lib/systemd/system/app0.service"
cp "$initdir/usr/lib/systemd/system/app0.service" "$initdir/usr/lib/systemd/system/app0-foo.service"
mksquashfs "$initdir" "$oldinitdir/usr/share/minimal_0.raw"
veritysetup format "$oldinitdir/usr/share/minimal_0.raw" "$oldinitdir/usr/share/minimal_0.verity" | \
grep '^Root hash:' | cut -f2 | tr -d '\n' >"$oldinitdir/usr/share/minimal_0.roothash"
sed -i "s/MARKER=1/MARKER=2/g" "$initdir/usr/lib/os-release"
rm "$initdir/usr/lib/systemd/system/app0-foo.service"
cp "$initdir/usr/lib/systemd/system/app0.service" "$initdir/usr/lib/systemd/system/app0-bar.service"
mksquashfs "$initdir" "$oldinitdir/usr/share/minimal_1.raw"
veritysetup format "$oldinitdir/usr/share/minimal_1.raw" "$oldinitdir/usr/share/minimal_1.verity" | \
grep '^Root hash:' | cut -f2 | tr -d '\n' >"$oldinitdir/usr/share/minimal_1.roothash"
# Rolling distros like Arch do not set VERSION_ID
local version_id=""
if grep -q "^VERSION_ID=" "$os_release"; then
version_id="$(grep "^VERSION_ID=" "$os_release")"
fi
export initdir="$TESTDIR/app0"
mkdir -p "$initdir/usr/lib/extension-release.d" "$initdir/usr/lib/systemd/system" "$initdir/opt"
grep "^ID=" "$os_release" >"$initdir/usr/lib/extension-release.d/extension-release.app0"
echo "${version_id}" >>"$initdir/usr/lib/extension-release.d/extension-release.app0"
cat >"$initdir/usr/lib/systemd/system/app0.service" <<EOF
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/opt/script0.sh
EOF
cat >"$initdir/opt/script0.sh" <<EOF
#!/bin/bash
set -e
test -e /usr/lib/os-release
cat /usr/lib/extension-release.d/extension-release.app0
EOF
chmod +x "$initdir/opt/script0.sh"
echo MARKER=1 >"$initdir/usr/lib/systemd/system/some_file"
mksquashfs "$initdir" "$oldinitdir/usr/share/app0.raw"
export initdir="$TESTDIR/app1"
mkdir -p "$initdir/usr/lib/extension-release.d" "$initdir/usr/lib/systemd/system" "$initdir/opt"
grep "^ID=" "$os_release" >"$initdir/usr/lib/extension-release.d/extension-release.app1"
echo "${version_id}" >>"$initdir/usr/lib/extension-release.d/extension-release.app1"
cat >"$initdir/usr/lib/systemd/system/app1.service" <<EOF
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/opt/script1.sh
EOF
cat >"$initdir/opt/script1.sh" <<EOF
#!/bin/bash
set -e
test -e /usr/lib/os-release
cat /usr/lib/extension-release.d/extension-release.app1
EOF
chmod +x "$initdir/opt/script1.sh"
echo MARKER=1 >"$initdir/usr/lib/systemd/system/other_file"
mksquashfs "$initdir" "$oldinitdir/usr/share/app1.raw"
)
}
setup_basic_environment() {
# create the basic filesystem layout
setup_basic_dirs
install_systemd
install_missing_libraries
install_config_files
install_zoneinfo
create_rc_local
install_basic_tools
install_libnss
install_pam
install_dbus
install_fonts
install_keymaps
install_terminfo
install_execs
install_fs_tools
install_modules
install_plymouth
install_debug_tools
install_ld_so_conf
install_testuser
has_user_dbus_socket && install_user_dbus
setup_selinux
strip_binaries
install_depmod_files
generate_module_dependencies
if [[ "$IS_BUILT_WITH_ASAN" = "yes" ]]; then
create_asan_wrapper
fi
if [ -n "$TEST_INSTALL_VERITY_MINIMAL" ]; then
install_verity_minimal
fi
}
setup_selinux() {
dinfo "Setup SELinux"
# don't forget KERNEL_APPEND='... selinux=1 ...'
if [[ "$SETUP_SELINUX" != "yes" ]]; then
dinfo "SETUP_SELINUX != yes, skipping SELinux configuration"
return 0
fi
local conf_dir=/etc/selinux
local fixfiles_tools=(bash uname cat sort uniq awk grep egrep head expr find rm secon setfiles)
# Make sure the following statement can't expand to "/" to prevent
# a potential where-are-my-backups situation
rm -rf "${initdir:?}/$conf_dir"
if ! cp -ar "$conf_dir" "$initdir/$conf_dir"; then
dfatal "Failed to copy $conf_dir"
exit 1
fi
touch "$initdir/.autorelabel"
mkdir -p "$initdir/usr/lib/systemd/tests/testdata/units/basic.target.wants"
ln -sf ../autorelabel.service "$initdir/usr/lib/systemd/tests/testdata/units/basic.target.wants/"
dracut_install "${fixfiles_tools[@]}"
dracut_install fixfiles
dracut_install sestatus
}
install_valgrind() {
if ! type -p valgrind; then
dfatal "Failed to install valgrind"
exit 1
fi
local valgrind_bins valgrind_libs valgrind_dbg_and_supp
valgrind_bins="$(strace -e execve valgrind /bin/true 2>&1 >/dev/null | perl -lne 'print $1 if /^execve\("([^"]+)"/')"
dracut_install "$valgrind_bins"
valgrind_libs="$(LD_DEBUG=files valgrind /bin/true 2>&1 >/dev/null | perl -lne 'print $1 if m{calling init: (/.*vgpreload_.*)}')"
dracut_install "$valgrind_libs"
valgrind_dbg_and_supp="$(
strace -e open valgrind /bin/true 2>&1 >/dev/null |
perl -lne 'if (my ($fname) = /^open\("([^"]+).*= (?!-)\d+/) { print $fname if $fname =~ /debug|\.supp$/ }'
)"
dracut_install "$valgrind_dbg_and_supp"
}
create_valgrind_wrapper() {
local valgrind_wrapper="$initdir/$ROOTLIBDIR/systemd-under-valgrind"
ddebug "Create $valgrind_wrapper"
cat >"$valgrind_wrapper" <<EOF
#!/usr/bin/env bash
mount -t proc proc /proc
exec valgrind --leak-check=full --log-file=/valgrind.out $ROOTLIBDIR/systemd "\$@"
EOF
chmod 0755 "$valgrind_wrapper"
}
create_asan_wrapper() {
local asan_wrapper="$initdir/$ROOTLIBDIR/systemd-under-asan"
dinfo "Create ASan wrapper as '$asan_wrapper'"
[[ -z "$ASAN_RT_PATH" ]] && dfatal "ASAN_RT_PATH is empty, but it shouldn't be"
# clang: install llvm-symbolizer to generate useful reports
# See: https://clang.llvm.org/docs/AddressSanitizer.html#symbolizing-the-reports
[[ "$ASAN_COMPILER" == "clang" ]] && dracut_install "llvm-symbolizer"
cat >"$asan_wrapper" <<EOF
#!/usr/bin/env bash
set -x
echo "ASan RT: $ASAN_RT_PATH"
if [[ ! -e "$ASAN_RT_PATH" ]]; then
echo >&2 "Couldn't find ASan RT at '$ASAN_RT_PATH', can't continue"
exit 1
fi
DEFAULT_ASAN_OPTIONS=${ASAN_OPTIONS:-strict_string_checks=1:detect_stack_use_after_return=1:check_initialization_order=1:strict_init_order=1}
DEFAULT_UBSAN_OPTIONS=${UBSAN_OPTIONS:-print_stacktrace=1:print_summary=1:halt_on_error=1}
DEFAULT_ENVIRONMENT="ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS UBSAN_OPTIONS=\$DEFAULT_UBSAN_OPTIONS"
# As right now bash is the PID 1, we can't expect PATH to have a sane value.
# Let's make one to prevent unexpected "<bin> not found" issues in the future
export PATH="/sbin:/bin:/usr/sbin:/usr/bin"
mount -t proc proc /proc
mount -t sysfs sysfs /sys
mount -o remount,rw /
# A lot of services (most notably dbus) won't start without preloading libasan
# See https://github.com/systemd/systemd/issues/5004
DEFAULT_ENVIRONMENT="\$DEFAULT_ENVIRONMENT LD_PRELOAD=$ASAN_RT_PATH"
if [[ "$ASAN_COMPILER" == "clang" ]]; then
# Let's add the ASan DSO's path to the dynamic linker's cache. This is pretty
# unnecessary for gcc & libasan, however, for clang this is crucial, as its
# runtime ASan DSO is in a non-standard (library) path.
echo "${ASAN_RT_PATH%/*}" >/etc/ld.so.conf.d/asan-path-override.conf
ldconfig
fi
echo DefaultEnvironment=\$DEFAULT_ENVIRONMENT >>/etc/systemd/system.conf
echo DefaultTimeoutStartSec=180s >>/etc/systemd/system.conf
echo DefaultStandardOutput=journal+console >>/etc/systemd/system.conf
# ASAN and syscall filters aren't compatible with each other.
find / -name '*.service' -type f | xargs sed -i 's/^\\(MemoryDeny\\|SystemCall\\)/#\\1/'
# The redirection of ASAN reports to a file prevents them from ending up in /dev/null.
# But, apparently, sometimes it doesn't work: https://github.com/google/sanitizers/issues/886.
JOURNALD_CONF_DIR=/etc/systemd/system/systemd-journald.service.d
mkdir -p "\$JOURNALD_CONF_DIR"
printf "[Service]\nEnvironment=ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS:log_path=/systemd-journald.asan.log UBSAN_OPTIONS=\$DEFAULT_UBSAN_OPTIONS:log_path=/systemd-journald.ubsan.log\n" >"\$JOURNALD_CONF_DIR/env.conf"
# Sometimes UBSan sends its reports to stderr regardless of what is specified in log_path
# Let's try to catch them by redirecting stderr (and stdout just in case) to a file
# See https://github.com/systemd/systemd/pull/12524#issuecomment-491108821
printf "[Service]\nStandardOutput=file:/systemd-journald.out\n" >"\$JOURNALD_CONF_DIR/out.conf"
# 90s isn't enough for some services to finish when literally everything is run
# under ASan+UBSan in containers, which, in turn, are run in VMs.
# Let's limit which environments such services should be executed in.
mkdir -p /etc/systemd/system/systemd-hwdb-update.service.d
printf "[Unit]\nConditionVirtualization=container\n\n[Service]\nTimeoutSec=240s\n" >/etc/systemd/system/systemd-hwdb-update.service.d/env-override.conf
# Let's override another hard-coded timeout that kicks in too early
mkdir -p /etc/systemd/system/systemd-journal-flush.service.d
printf "[Service]\nTimeoutSec=180s\n" >/etc/systemd/system/systemd-journal-flush.service.d/timeout.conf
# D-Bus has troubles during system shutdown causing it to fail. Although it's
# harmless, it causes unnecessary noise in the logs, so let's disable LSan's
# at_exit check just for the dbus.service
mkdir -p /etc/systemd/system/dbus.service.d
printf "[Service]\nEnvironment=ASAN_OPTIONS=leak_check_at_exit=false\n" >/etc/systemd/system/dbus.service.d/disable-lsan.conf
# Some utilities run via IMPORT/RUN/PROGRAM udev directives fail because
# they're uninstrumented (like dmsetup). Let's add a simple rule which sets
# LD_PRELOAD to the ASan RT library to fix this.
mkdir -p /etc/udev/rules.d
cat >/etc/udev/rules.d/00-set-LD_PRELOAD.rules <<INNER_EOF
SUBSYSTEM=="block", ENV{LD_PRELOAD}="$ASAN_RT_PATH"
INNER_EOF
chmod 0644 /etc/udev/rules.d/00-set-LD_PRELOAD.rules
# The 'mount' utility doesn't behave well under libasan, causing unexpected
# fails during boot and subsequent test results check:
# bash-5.0# mount -o remount,rw -v /
# mount: /dev/sda1 mounted on /.
# bash-5.0# echo \$?
# 1
# Let's workaround this by clearing the previously set LD_PRELOAD env variable,
# so the libasan library is not loaded for this particular service
unset_ld_preload() {
local _dropin_dir="/etc/systemd/system/\$1.service.d"
mkdir -p "\$_dropin_dir"
printf "[Service]\nUnsetEnvironment=LD_PRELOAD\n" >"\$_dropin_dir/unset_ld_preload.conf"
}
unset_ld_preload systemd-remount-fs
unset_ld_preload testsuite-
export ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS:log_path=/systemd.asan.log UBSAN_OPTIONS=\$DEFAULT_UBSAN_OPTIONS
exec "$ROOTLIBDIR/systemd" "\$@"
EOF
chmod 0755 "$asan_wrapper"
}
create_strace_wrapper() {
local strace_wrapper="$initdir/$ROOTLIBDIR/systemd-under-strace"
ddebug "Create $strace_wrapper"
cat >"$strace_wrapper" <<EOF
#!/usr/bin/env bash
exec strace -f -D -o /strace.out "$ROOTLIBDIR/systemd" "\$@"
EOF
chmod 0755 "$strace_wrapper"
}
install_fs_tools() {
dinfo "Install fsck"
dracut_install /sbin/fsck*
dracut_install -o /bin/fsck*
# fskc.reiserfs calls reiserfsck. so, install it
dracut_install -o reiserfsck
# we use mkfs in system-repart tests
dracut_install /sbin/mkfs.ext4
dracut_install /sbin/mkfs.vfat
}
install_modules() {
dinfo "Install modules"
instmods loop
instmods vfat
if [[ "$LOOKS_LIKE_SUSE" ]]; then
instmods ext4
fi
}
install_dmevent() {
instmods dm_crypt =crypto
inst_binary dmeventd
if [[ "$LOOKS_LIKE_DEBIAN" ]]; then
# dmsetup installs 55-dm and 60-persistent-storage-dm on Debian/Ubuntu
# and since buster/bionic 95-dm-notify.rules
# see https://gitlab.com/debian-lvm/lvm2/blob/master/debian/patches/udev.patch
inst_rules 55-dm.rules 60-persistent-storage-dm.rules 95-dm-notify.rules
else
inst_rules 10-dm.rules 13-dm-disk.rules 95-dm-notify.rules
fi
if [[ "$LOOKS_LIKE_SUSE" ]]; then
inst_rules 60-persistent-storage.rules 61-persistent-storage-compat.rules 99-systemd.rules
fi
}
install_compiled_systemd() {
dinfo "Install compiled systemd"
local ninja_bin
ninja_bin="$(type -P ninja || type -P ninja-build)"
if [[ -z "$ninja_bin" ]]; then
dfatal "ninja was not found"
exit 1
fi
(set -x; DESTDIR="$initdir" "$ninja_bin" -C "$BUILD_DIR" install)
}
install_debian_systemd() {
dinfo "Install debian systemd"
local files
while read -r deb; do
files="$(dpkg-query -L "$deb" 2>/dev/null)" || continue
ddebug "Install debian files from package $deb"
for file in $files; do
[ -e "$file" ] || continue
[ -d "$file" ] && continue
inst "$file"
done
done < <(grep -E '^Package:' "${SOURCE_DIR}/debian/control" | cut -d ':' -f 2)
}
install_distro_systemd() {
dinfo "Install distro systemd"
if [ "$LOOKS_LIKE_DEBIAN" ]; then
install_debian_systemd
else
dfatal "NO_BUILD not supported for this distro"
exit 1
fi
}
install_systemd() {
dinfo "Install systemd"
if [ "$NO_BUILD" ]; then
install_distro_systemd
else
install_compiled_systemd
fi
# remove unneeded documentation
rm -fr "$initdir"/usr/share/{man,doc}
[[ "$LOOKS_LIKE_SUSE" ]] && setup_suse
# enable debug logging in PID1
echo LogLevel=debug >>"$initdir/etc/systemd/system.conf"
# store coredumps in journal
echo Storage=journal >>"$initdir/etc/systemd/coredump.conf"
}
get_ldpath() {
local rpath
rpath="$(objdump -p "${1:?}" 2>/dev/null | awk "/R(UN)?PATH/ { print \"$initdir\" \$2 }" | paste -sd :)"
if [ -z "$rpath" ] ; then
echo "$BUILD_DIR"
else
echo "$rpath"
fi
}
install_missing_libraries() {
dinfo "Install missing libraries"
# install possible missing libraries
for i in "${initdir:?}"{,/usr}/{sbin,bin}/* "$initdir"{,/usr}/lib/systemd/{,tests/{,manual/,unsafe/}}*; do
LD_LIBRARY_PATH="${LD_LIBRARY_PATH:+$LD_LIBRARY_PATH:}$(get_ldpath "$i")" inst_libs "$i"
done
local lib path
# A number of dependencies is now optional via dlopen, so the install
# script will not pick them up, since it looks at linkage.
for lib in libcryptsetup libidn libidn2 pwquality libqrencode tss2-esys tss2-rc tss2-mu libfido2 libbpf; do
ddebug "Searching for $lib via pkg-config"
if pkg-config --exists "$lib"; then
path="$(pkg-config --variable=libdir "$lib")"
if [ -z "${path}" ]; then
ddebug "$lib.pc does not contain a libdir variable, skipping"
continue
fi
if ! [[ ${lib} =~ ^lib ]]; then
lib="lib${lib}"
fi
# Some pkg-config files are broken and give out the wrong paths
# (eg: libcryptsetup), so just ignore them
inst_libs "${path}/${lib}.so" || true
inst_library "${path}/${lib}.so" || true
else
ddebug "$lib.pc not found, skipping"
continue
fi
done
}
cleanup_loopdev() {
if [ -n "${LOOPDEV:=}" ]; then
ddebug "losetup -d $LOOPDEV"
losetup -d "${LOOPDEV}"
unset LOOPDEV
fi
}
trap cleanup_loopdev EXIT INT QUIT PIPE
create_empty_image() {
if [ -z "${IMAGE_NAME:=}" ]; then
echo "create_empty_image: \$IMAGE_NAME not set"
exit 1
fi
local size=500
if meson configure "${BUILD_DIR:?}" | grep 'static-lib\|standalone-binaries' | awk '{ print $2 }' | grep -q 'true'; then
size=$((size+=200))
fi
if meson configure "${BUILD_DIR:?}" | grep 'link-.*-shared' | awk '{ print $2 }' | grep -q 'false'; then
size=$((size+=200))
fi
if [[ "$STRIP_BINARIES" = "no" ]]; then
size=$((4 * size))
fi
echo "Setting up ${IMAGE_PUBLIC:?} (${size} MB)"
rm -f "${IMAGE_PRIVATE:?}" "$IMAGE_PUBLIC"
# Create the blank file to use as a root filesystem
truncate -s "${size}M" "$IMAGE_PUBLIC"
LOOPDEV=$(losetup --show -P -f "$IMAGE_PUBLIC")
[ -b "$LOOPDEV" ] || return 1
sfdisk "$LOOPDEV" <<EOF
,$((size - 50))M
,
EOF
udevadm settle
local label=(-L systemd)
# mkfs.reiserfs doesn't know -L. so, use --label instead
[[ "$FSTYPE" == "reiserfs" ]] && label=(--label systemd)
if ! mkfs -t "${FSTYPE}" "${label[@]}" "${LOOPDEV}p1" -q; then
dfatal "Failed to mkfs -t ${FSTYPE}"
exit 1
fi
}
mount_initdir() {
if [ -z "${LOOPDEV:=}" ]; then
[ -e "${IMAGE_PRIVATE:?}" ] && image="$IMAGE_PRIVATE" || image="${IMAGE_PUBLIC:?}"
LOOPDEV="$(losetup --show -P -f "$image")"
[ -b "$LOOPDEV" ] || return 1
udevadm settle
fi
if ! mountpoint -q "${initdir:?}"; then
mkdir -p "$initdir"
mount "${LOOPDEV}p1" "$initdir"
TEST_SETUP_CLEANUP_ROOTDIR=1
fi
}
cleanup_initdir() {
# only umount if create_empty_image_rootdir() was called to mount it
[[ -z $TEST_SETUP_CLEANUP_ROOTDIR ]] || _umount_dir "${initdir:?}"
}
umount_loopback() {
# unmount the loopback device from all places. Otherwise we risk file
# system corruption.
for device in $(losetup -l | awk '$6=="'"${IMAGE_PUBLIC:?}"'" {print $1}'); do
ddebug "Unmounting all uses of $device"
mount | awk '/^'"${device}"'p/{print $1}' | xargs --no-run-if-empty umount -v
done
}
create_empty_image_rootdir() {
create_empty_image
mount_initdir
}
check_asan_reports() {
local ret=0
local root="${1:?}"
if [[ "$IS_BUILT_WITH_ASAN" = "yes" ]]; then
ls -l "$root"
if [[ -e "$root/systemd.asan.log.1" ]]; then
cat "$root/systemd.asan.log.1"
ret=$((ret+1))
fi
journald_report="$(find "$root" -name "systemd-journald.*san.log*" -exec cat {} \;)"
if [[ -n "$journald_report" ]]; then
printf "%s\n" "$journald_report"
cat "$root/systemd-journald.out" || :
ret=$((ret+1))
fi
pids="$(
"$JOURNALCTL" -D "$root/var/log/journal" | perl -alne '
BEGIN {
%services_to_ignore = (
"dbus-daemon" => undef,
);
}
print $2 if /\s(\S*)\[(\d+)\]:\s*SUMMARY:\s+\w+Sanitizer/ && !exists $services_to_ignore{$1}'
)"
if [[ -n "$pids" ]]; then
ret=$((ret+1))
for pid in $pids; do
"$JOURNALCTL" -D "$root/var/log/journal" _PID="$pid" --no-pager
done
fi
fi
return $ret
}
save_journal() {
if [ -n "${ARTIFACT_DIRECTORY}" ]; then
dest="${ARTIFACT_DIRECTORY}/${testname:?}.journal"
else
dest="${TESTDIR:?}/system.journal"
fi
for j in "${1:?}"/*; do
"$SYSTEMD_JOURNAL_REMOTE" \
-o "$dest" \
--getter="$JOURNALCTL -o export -D $j"
if [ -n "${TEST_SHOW_JOURNAL}" ]; then
echo "---- $j ----"
"$JOURNALCTL" --no-pager -o short-monotonic --no-hostname --priority="${TEST_SHOW_JOURNAL}" -D "$j"
fi
rm -r "$j"
done
if [ -n "${SUDO_USER}" ]; then
setfacl -m "user:${SUDO_USER:?}:r-X" "$dest"*
fi
# we want to print this sometime later, so save this in a variable
JOURNAL_LIST="$(ls -l "$dest"*)"
}
check_result_common() {
local workspace="${1:?}"
local ret
if [ -s "$workspace/failed" ]; then
# Non-empty …/failed has highest priority
cp -a "$workspace/failed" "${TESTDIR:?}/"
if [ -n "${SUDO_USER}" ]; then
setfacl -m "user:${SUDO_USER:?}:r-X" "${TESTDIR:?}/"failed
fi
ret=1
elif [ -e "$workspace/testok" ]; then
# …/testok always counts (but with lower priority than …/failed)
ret=0
elif [ -e "$workspace/skipped" ]; then
# …/skipped always counts (a message is expected)
echo "${TESTNAME:?} was skipped:"
cat "$workspace/skipped"
ret=0
elif [ -n "$TIMED_OUT" ]; then
echo "(timeout)" >"${TESTDIR:?}/failed"
ret=2
else
echo "(failed; see logs)" >"${TESTDIR:?}/failed"
ret=3
fi
save_journal "$workspace/var/log/journal"
check_asan_reports "$workspace" || ret=4
if [ -d "${ARTIFACT_DIRECTORY}" ] && [ -f "$workspace/strace.out" ]; then
cp "$workspace/strace.out" "${ARTIFACT_DIRECTORY}/"
fi
if [ ${ret:?} != 0 ] && [ -f "$TESTDIR/failed" ]; then
echo -n "${TESTNAME:?}: "
cat "$TESTDIR/failed"
fi
echo "${JOURNAL_LIST:-"No journals were saved"}"
return ${ret:?}
}
check_result_nspawn() {
local workspace="${1:?}"
local ret
check_result_common "${workspace}"
ret=$?
# Run additional test-specific checks if defined by check_result_nspawn_hook()
if declare -F check_result_nspawn_hook >/dev/null; then
if ! check_result_nspawn_hook; then
derror "check_result_nspawn_hook() returned with EC > 0"
ret=4
fi
fi
_umount_dir "${initdir:?}"
return $ret
}
# can be overridden in specific test
check_result_qemu() {
local ret
mount_initdir
check_result_common "${initdir:?}"
ret=$?
_umount_dir "${initdir:?}"
# Run additional test-specific checks if defined by check_result_qemu_hook()
if declare -F check_result_qemu_hook >/dev/null; then
if ! check_result_qemu_hook; then
derror "check_result_qemu_hook() returned with EC > 0"
ret=4
fi
fi
return $ret
}
strip_binaries() {
dinfo "Strip binaries"
if [[ "$STRIP_BINARIES" = "no" ]]; then
dinfo "STRIP_BINARIES == no, keeping binaries unstripped"
return 0
fi
while read -r bin; do
strip --strip-unneeded "$bin" |& grep -vi 'file format not recognized' | ddebug || :
done < <(find "${initdir:?}" -executable -not -path '*/lib/modules/*.ko' -type f)
}
create_rc_local() {
dinfo "Create rc.local"
mkdir -p "${initdir:?}/etc/rc.d"
cat >"$initdir/etc/rc.d/rc.local" <<EOF
#!/usr/bin/env bash
exit 0
EOF
chmod 0755 "$initdir/etc/rc.d/rc.local"
}
install_execs() {
ddebug "Install executables from the service files"
local pkg_config_path="${BUILD_DIR:?}/src/core/"
local systemunitdir userunitdir exe
systemunitdir="$(PKG_CONFIG_PATH="$pkg_config_path" pkg-config --variable=systemdsystemunitdir systemd)"
userunitdir="$(PKG_CONFIG_PATH="$pkg_config_path" pkg-config --variable=systemduserunitdir systemd)"
while read -r exe; do
# some {rc,halt}.local scripts and programs are okay to not exist, the rest should
# also, plymouth is pulled in by rescue.service, but even there the exit code
# is ignored; as it's not present on some distros, don't fail if it doesn't exist
dinfo "Attempting to install $exe (based on unit file reference)"
inst "$exe" || [ "${exe%.local}" != "$exe" ] || [ "${exe%systemd-update-done}" != "$exe" ] || [ "${exe##*/}" == "plymouth" ]
done < <(sed -r -n 's|^Exec[a-zA-Z]*=[@+!-]*([^ ]+).*|\1|gp' "${initdir:?}"/{"$systemunitdir","$userunitdir"}/*.service | sort -u)
}
generate_module_dependencies() {
dinfo "Generate modules dependencies"
if [[ -d "${initdir:?}/lib/modules/${KERNEL_VER:?}" ]] && \
! depmod -a -b "$initdir" "$KERNEL_VER"; then
dfatal "\"depmod -a $KERNEL_VER\" failed."
exit 1
fi
}
install_depmod_files() {
dinfo "Install depmod files"
inst "/lib/modules/${KERNEL_VER:?}/modules.order"
inst "/lib/modules/$KERNEL_VER/modules.builtin"
}
install_plymouth() {
dinfo "Install plymouth"
# install plymouth, if found... else remove plymouth service files
# if [ -x /usr/libexec/plymouth/plymouth-populate-initrd ]; then
# PLYMOUTH_POPULATE_SOURCE_FUNCTIONS="$TEST_BASE_DIR/test-functions" \
# /usr/libexec/plymouth/plymouth-populate-initrd -t $initdir
# dracut_install plymouth plymouthd
# else
rm -f "${initdir:?}"/{usr/lib,lib,etc}/systemd/system/plymouth* "$initdir"/{usr/lib,lib,etc}/systemd/system/*/plymouth*
# fi
}
install_ld_so_conf() {
dinfo "Install /etc/ld.so.conf*"
cp -a /etc/ld.so.conf* "${initdir:?}/etc"
ldconfig -r "$initdir"
}
install_testuser() {
dinfo "Set up a test user"
# create unprivileged user for user manager tests
mkdir -p "${initdir:?}/etc/sysusers.d"
cat >"$initdir/etc/sysusers.d/testuser.conf" <<EOF
u testuser 4711 "Test User" /home/testuser
EOF
mkdir -p "$initdir/home/testuser"
chmod 0700 "$initdir/home/testuser"
chown 4711:4711 "$initdir/home/testuser"
}
install_config_files() {
dinfo "Install config files"
inst /etc/sysconfig/init || :
inst /etc/passwd
inst /etc/shadow
inst_any /etc/login.defs /usr/etc/login.defs
inst /etc/group
inst /etc/shells
inst_any /etc/nsswitch.conf /usr/etc/nsswitch.conf
inst /etc/pam.conf || :
inst_any /etc/os-release /usr/lib/os-release
inst /etc/localtime
# we want an empty environment
: >"${initdir:?}/etc/environment"
: >"$initdir/etc/machine-id"
: >"$initdir/etc/resolv.conf"
# set the hostname
echo 'H' >"$initdir/etc/hostname"
# let's set up just one image with the traditional verbose output
if [ "${IMAGE_NAME:?}" != "basic" ]; then
mkdir -p "$initdir/etc/systemd/system.conf.d"
echo -e '[Manager]\nStatusUnitFormat=name' >"$initdir/etc/systemd/system.conf.d/status.conf"
fi
}
install_basic_tools() {
dinfo "Install basic tools"
dracut_install "${BASICTOOLS[@]}"
dracut_install -o sushell
# in Debian ldconfig is just a shell script wrapper around ldconfig.real
dracut_install -o ldconfig.real
}
install_debug_tools() {
dinfo "Install debug tools"
dracut_install "${DEBUGTOOLS[@]}"
if [[ $INTERACTIVE_DEBUG ]]; then
# Set default TERM from vt220 to linux, so at least basic key shortcuts work
local getty_override="${initdir:?}/etc/systemd/system/serial-getty@.service.d"
mkdir -p "$getty_override"
echo -e "[Service]\nEnvironment=TERM=linux" >"$getty_override/default-TERM.conf"
cat >"$initdir/etc/motd" <<EOF
To adjust the terminal size use:
export COLUMNS=xx
export LINES=yy
or
stty cols xx rows yy
EOF
fi
}
install_libnss() {
dinfo "Install libnss"
# install libnss_files for login
local NSS_LIBS
mapfile -t NSS_LIBS < <(LD_DEBUG=files getent passwd 2>&1 >/dev/null | sed -n '/calling init: .*libnss_/ {s!^.* /!/!; p}')
dracut_install "${NSS_LIBS[@]}"
}
install_dbus() {
dinfo "Install dbus"
inst "${ROOTLIBDIR:?}/system/dbus.socket"
# Newer Fedora versions use dbus-broker by default. Let's install it if it's available.
if [ -f "$ROOTLIBDIR/system/dbus-broker.service" ]; then
inst "$ROOTLIBDIR/system/dbus-broker.service"
inst_symlink /etc/systemd/system/dbus.service
inst /usr/bin/dbus-broker
inst /usr/bin/dbus-broker-launch
elif [ -f "$ROOTLIBDIR/system/dbus-daemon.service" ]; then
# Fedora rawhide replaced dbus.service with dbus-daemon.service
inst "$ROOTLIBDIR/system/dbus-daemon.service"
# Alias symlink
inst_symlink /etc/systemd/system/dbus.service
else
inst "$ROOTLIBDIR/system/dbus.service"
fi
while read -r file; do
inst "$file"
done < <(find /etc/dbus-1 /usr/share/dbus-1 -xtype f 2>/dev/null)
# setup policy for Type=dbus test
mkdir -p "${initdir:?}/etc/dbus-1/system.d"
cat >"$initdir/etc/dbus-1/system.d/systemd.test.ExecStopPost.conf" <<EOF
<?xml version="1.0"?>
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>
<policy user="root">
<allow own="systemd.test.ExecStopPost"/>
</policy>
</busconfig>
EOF
}
install_user_dbus() {
dinfo "Install user dbus"
local userunitdir
if ! userunitdir="$(pkg-config --variable=systemduserunitdir systemd)"; then
dwarn "WARNING! Cannot determine userunitdir from pkg-config, assuming /usr/lib/systemd/user"
userunitdir=/usr/lib/systemd/user
fi
inst "$userunitdir/dbus.socket"
inst_symlink "$userunitdir/sockets.target.wants/dbus.socket" || inst_symlink /etc/systemd/user/sockets.target.wants/dbus.socket
# Append the After= dependency on dbus in case it isn't already set up
mkdir -p "${initdir:?}/etc/systemd/system/user@.service.d/"
cat >"$initdir/etc/systemd/system/user@.service.d/dbus.conf" <<EOF
[Unit]
After=dbus.service
EOF
# Newer Fedora versions use dbus-broker by default. Let's install it if it's available.
if [ -f "$userunitdir/dbus-broker.service" ]; then
inst "$userunitdir/dbus-broker.service"
inst_symlink /etc/systemd/user/dbus.service
elif [ -f "${ROOTLIBDIR:?}/system/dbus-daemon.service" ]; then
# Fedora rawhide replaced dbus.service with dbus-daemon.service
inst "$userunitdir/dbus-daemon.service"
# Alias symlink
inst_symlink /etc/systemd/user/dbus.service
else
inst "$userunitdir/dbus.service"
fi
}
install_pam() {
dinfo "Install PAM"
local paths=()
if [[ "$LOOKS_LIKE_DEBIAN" ]] && type -p dpkg-architecture &>/dev/null; then
paths+=("/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH)/security")
else
paths+=(/lib*/security)
fi
for d in /etc/pam.d /etc/security /usr/lib/pam.d; do
[ -d "$d" ] && paths+=("$d")
done
while read -r file; do
inst "$file"
done < <(find "${paths[@]}" -xtype f)
# pam_unix depends on unix_chkpwd.
# see http://www.linux-pam.org/Linux-PAM-html/sag-pam_unix.html
dracut_install -o unix_chkpwd
# set empty root password for easy debugging
sed -i 's/^root:x:/root::/' "${initdir:?}/etc/passwd"
}
install_keymaps() {
dinfo "Install keymaps"
# The first three paths may be deprecated.
# It seems now the last two paths are used by many distributions.
for i in \
/usr/lib/kbd/keymaps/include/* \
/usr/lib/kbd/keymaps/i386/include/* \
/usr/lib/kbd/keymaps/i386/qwerty/us.* \
/usr/lib/kbd/keymaps/legacy/include/* \
/usr/lib/kbd/keymaps/legacy/i386/qwerty/us.*; do
[[ -f "$i" ]] || continue
inst "$i"
done
# When it takes any argument, then install more keymaps.
if [[ $# -gt 1 ]]; then
for i in \
/usr/lib/kbd/keymaps/i386/*/* \
/usr/lib/kbd/keymaps/legacy/i386/*/*; do
[[ -f "$i" ]] || continue
inst "$i"
done
fi
}
install_zoneinfo() {
dinfo "Install time zones"
inst_any /usr/share/zoneinfo/Asia/Seoul
inst_any /usr/share/zoneinfo/Asia/Vladivostok
inst_any /usr/share/zoneinfo/Australia/Sydney
inst_any /usr/share/zoneinfo/Europe/Berlin
inst_any /usr/share/zoneinfo/Europe/Dublin
inst_any /usr/share/zoneinfo/Europe/Kiev
inst_any /usr/share/zoneinfo/Pacific/Auckland
inst_any /usr/share/zoneinfo/Pacific/Honolulu
inst_any /usr/share/zoneinfo/CET
inst_any /usr/share/zoneinfo/EET
inst_any /usr/share/zoneinfo/UTC
}
install_fonts() {
dinfo "Install system fonts"
for i in \
/usr/lib/kbd/consolefonts/eurlatgr* \
/usr/lib/kbd/consolefonts/latarcyrheb-sun16*; do
[[ -f "$i" ]] || continue
inst "$i"
done
}
install_terminfo() {
dinfo "Install terminfo files"
local terminfodir
for terminfodir in /lib/terminfo /etc/terminfo /usr/share/terminfo; do
[ -f "${terminfodir}/l/linux" ] && break
done
dracut_install -o "${terminfodir}/l/linux"
}
has_user_dbus_socket() {
if [ -f /usr/lib/systemd/user/dbus.socket ] || [ -f /etc/systemd/user/dbus.socket ]; then
return 0
else
echo "Per-user instances are not supported. Skipping..."
return 1
fi
}
setup_nspawn_root() {
if [ -z "${initdir}" ]; then
dfatal "\$initdir not defined"
exit 1
fi
rm -rf "${TESTDIR:?}/unprivileged-nspawn-root"
if [[ "$RUN_IN_UNPRIVILEGED_CONTAINER" = "yes" ]]; then
ddebug "cp -ar $initdir $TESTDIR/unprivileged-nspawn-root"
cp -ar "$initdir" "$TESTDIR/unprivileged-nspawn-root"
fi
}
setup_basic_dirs() {
mkdir -p "${initdir:?}/run"
mkdir -p "$initdir/etc/systemd/system"
mkdir -p "$initdir/var/log/journal"
for d in usr/bin usr/sbin bin etc lib "${libdir:?}" sbin tmp usr var var/log var/tmp dev proc sys sysroot root run run/lock run/initramfs; do
if [ -L "/$d" ]; then
inst_symlink "/$d"
else
inst_dir "/$d"
fi
done
ln -sfn /run "$initdir/var/run"
ln -sfn /run/lock "$initdir/var/lock"
}
mask_supporting_services() {
# mask some services that we do not want to run in these tests
ln -fsv /dev/null "${initdir:?}/etc/systemd/system/systemd-hwdb-update.service"
ln -fsv /dev/null "$initdir/etc/systemd/system/systemd-journal-catalog-update.service"
ln -fsv /dev/null "$initdir/etc/systemd/system/systemd-networkd.service"
ln -fsv /dev/null "$initdir/etc/systemd/system/systemd-networkd.socket"
ln -fsv /dev/null "$initdir/etc/systemd/system/systemd-resolved.service"
}
inst_libs() {
local bin="${1:?}"
local so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
local file line
while read -r line; do
[[ "$line" = 'not a dynamic executable' ]] && break
if [[ "$line" =~ $so_regex ]]; then
file="${BASH_REMATCH[1]}"
[[ -e "${initdir:?}/$file" ]] && continue
inst_library "$file"
continue
fi
if [[ "$line" =~ not\ found ]]; then
dfatal "Missing a shared library required by $bin."
dfatal "Run \"ldd $bin\" to find out what it is."
dfatal "$line"
dfatal "dracut cannot create an initrd."
exit 1
fi
done < <(LC_ALL=C ldd "$bin" 2>/dev/null)
}
import_testdir() {
# make sure we don't get a stale LOOPDEV value from old times
local _LOOPDEV="${LOOPDEV:=}"
# We don't want shellcheck to follow & check the $STATEFILE
# shellcheck source=/dev/null
[[ -e "$STATEFILE" ]] && . "$STATEFILE"
LOOPDEV="$_LOOPDEV"
if [[ ! -d "$TESTDIR" ]]; then
if [[ -z "$TESTDIR" ]]; then
TESTDIR="$(mktemp --tmpdir=/var/tmp -d -t systemd-test.XXXXXX)"
else
mkdir -p "$TESTDIR"
fi
cat >"$STATEFILE" <<EOF
TESTDIR="$TESTDIR"
EOF
export TESTDIR
fi
IMAGE_PRIVATE="${TESTDIR}/${IMAGE_NAME:?}.img"
IMAGE_PUBLIC="${IMAGESTATEDIR:?}/${IMAGE_NAME}.img"
}
import_initdir() {
initdir="${TESTDIR:?}/root"
mkdir -p "$initdir"
export initdir
}
## @brief Converts numeric logging level to the first letter of level name.
#
# @param lvl Numeric logging level in range from 1 to 6.
# @retval 1 if @a lvl is out of range.
# @retval 0 if @a lvl is correct.
# @result Echoes first letter of level name.
_lvl2char() {
case "$1" in
1) echo F;;
2) echo E;;
3) echo W;;
4) echo I;;
5) echo D;;
6) echo T;;
*) return 1;;
esac
}
## @brief Internal helper function for _do_dlog()
#
# @param lvl Numeric logging level.
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
#
# @note This function is not supposed to be called manually. Please use
# dtrace(), ddebug(), or others instead which wrap this one.
#
# This function calls _do_dlog() either with parameter msg, or if
# none is given, it will read standard input and will use every line as
# a message.
#
# This enables:
# dwarn "This is a warning"
# echo "This is a warning" | dwarn
LOG_LEVEL="${LOG_LEVEL:-4}"
dlog() {
local lvl lvlc
[ -z "$LOG_LEVEL" ] && return 0
lvl="${1:?}"; shift
[ "$lvl" -le "$LOG_LEVEL" ] || return 0
lvlc="$(_lvl2char "$lvl")" || return 0
if [ $# -ge 1 ]; then
echo "$lvlc: $*"
else
while read -r line; do
echo "$lvlc: " "$line"
done
fi
}
## @brief Logs message at TRACE level (6)
#
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
dtrace() {
set +x
dlog 6 "$@"
if [[ "${debug:=}" ]]; then
set -x
fi
}
## @brief Logs message at DEBUG level (5)
#
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
ddebug() {
dlog 5 "$@"
}
## @brief Logs message at INFO level (4)
#
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
dinfo() {
set +x
dlog 4 "$@"
if [[ "${debug:=}" ]]; then
set -x
fi
}
## @brief Logs message at WARN level (3)
#
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
dwarn() {
set +x
dlog 3 "$@"
if [[ "${debug:=}" ]]; then
set -x
fi
}
## @brief Logs message at ERROR level (2)
#
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
derror() {
dlog 2 "$@"
}
## @brief Logs message at FATAL level (1)
#
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
dfatal() {
set +x
dlog 1 "$@"
if [[ "${debug:=}" ]]; then
set -x
fi
}
# Generic substring function. If $2 is in $1, return 0.
strstr() { [ "${1#*$2*}" != "$1" ]; }
# normalize_path <path>
# Prints the normalized path, where it removes any duplicated
# and trailing slashes.
# Example:
# $ normalize_path ///test/test//
# /test/test
normalize_path() {
shopt -q -s extglob
set -- "${1//+(\/)//}"
shopt -q -u extglob
echo "${1%/}"
}
# convert_abs_rel <from> <to>
# Prints the relative path, when creating a symlink to <to> from <from>.
# Example:
# $ convert_abs_rel /usr/bin/test /bin/test-2
# ../../bin/test-2
# $ ln -s $(convert_abs_rel /usr/bin/test /bin/test-2) /usr/bin/test
convert_abs_rel() {
local __current __absolute __abssize __cursize __newpath
local -i __i __level
set -- "$(normalize_path "${1:?}")" "$(normalize_path "${2:?}")"
# corner case #1 - self looping link
[[ "$1" == "$2" ]] && { echo "${1##*/}"; return; }
# corner case #2 - own dir link
[[ "${1%/*}" == "$2" ]] && { echo "."; return; }
IFS="/" read -ra __current <<< "$1"
IFS="/" read -ra __absolute <<< "$2"
__abssize=${#__absolute[@]}
__cursize=${#__current[@]}
while [[ "${__absolute[__level]}" == "${__current[__level]}" ]]
do
(( __level++ ))
if (( __level > __abssize || __level > __cursize ))
then
break
fi
done
for ((__i = __level; __i < __cursize-1; __i++))
do
if ((__i > __level))
then
__newpath=$__newpath"/"
fi
__newpath=$__newpath".."
done
for ((__i = __level; __i < __abssize; __i++))
do
if [[ -n $__newpath ]]
then
__newpath=$__newpath"/"
fi
__newpath=$__newpath${__absolute[__i]}
done
echo "$__newpath"
}
# Install a directory, keeping symlinks as on the original system.
# Example: if /lib points to /lib64 on the host, "inst_dir /lib/file"
# will create ${initdir}/lib64, ${initdir}/lib64/file,
# and a symlink ${initdir}/lib -> lib64.
inst_dir() {
local dir="${1:?}"
local part="${dir%/*}"
local file
[[ -e "${initdir:?}/${dir}" ]] && return 0 # already there
while [[ "$part" != "${part%/*}" ]] && ! [[ -e "${initdir}/${part}" ]]; do
dir="$part $dir"
part="${part%/*}"
done
# iterate over parent directories
for file in $dir; do
[[ -e "${initdir}/$file" ]] && continue
if [[ -L $file ]]; then
inst_symlink "$file"
else
# create directory
mkdir -m 0755 "${initdir}/$file" || return 1
[[ -e "$file" ]] && chmod --reference="$file" "${initdir}/$file"
chmod u+w "${initdir}/$file"
fi
done
}
# $1 = file to copy to ramdisk
# $2 (optional) Name for the file on the ramdisk
# Location of the image dir is assumed to be $initdir
# We never overwrite the target if it exists.
inst_simple() {
[[ -f "${1:?}" ]] || return 1
strstr "$1" "/" || return 1
local src="$1"
local target="${2:-$1}"
if ! [[ -d ${initdir:?}/$target ]]; then
[[ -e ${initdir}/$target ]] && return 0
[[ -L ${initdir}/$target ]] && return 0
[[ -d "${initdir}/${target%/*}" ]] || inst_dir "${target%/*}"
fi
# install checksum files also
if [[ -e "${src%/*}/.${src##*/}.hmac" ]]; then
inst "${src%/*}/.${src##*/}.hmac" "${target%/*}/.${target##*/}.hmac"
fi
ddebug "Installing $src"
cp --sparse=always -pfL "$src" "${initdir}/$target"
}
# find symlinks linked to given library file
# $1 = library file
# Function searches for symlinks by stripping version numbers appended to
# library filename, checks if it points to the same target and finally
# prints the list of symlinks to stdout.
#
# Example:
# rev_lib_symlinks libfoo.so.8.1
# output: libfoo.so.8 libfoo.so
# (Only if libfoo.so.8 and libfoo.so exists on host system.)
rev_lib_symlinks() {
local fn="${1:?}"
local links=""
local orig
orig="$(readlink -f "$1")"
[[ "${fn}" =~ .*\.so\..* ]] || return 1
until [[ "${fn##*.}" == so ]]; do
fn="${fn%.*}"
[[ -L "${fn}" && "$(readlink -f "${fn}")" == "${orig}" ]] && links+=" ${fn}"
done
echo "${links}"
}
# Same as above, but specialized to handle dynamic libraries.
# It handles making symlinks according to how the original library
# is referenced.
inst_library() {
local src="${1:?}"
local dest="${2:-$1}"
local reallib symlink
strstr "$1" "/" || return 1
[[ -e ${initdir:?}/$dest ]] && return 0
if [[ -L $src ]]; then
# install checksum files also
if [[ -e "${src%/*}/.${src##*/}.hmac" ]]; then
inst "${src%/*}/.${src##*/}.hmac" "${dest%/*}/.${dest##*/}.hmac"
fi
reallib="$(readlink -f "$src")"
inst_simple "$reallib" "$reallib"
inst_dir "${dest%/*}"
[[ -d "${dest%/*}" ]] && dest="$(readlink -f "${dest%/*}")/${dest##*/}"
ln -sfn -- "$(convert_abs_rel "${dest}" "${reallib}")" "${initdir}/${dest}"
else
inst_simple "$src" "$dest"
fi
# Create additional symlinks. See rev_symlinks description.
for symlink in $(rev_lib_symlinks "$src") ${reallib:+$(rev_lib_symlinks "$reallib")}; do
if [[ ! -e "$initdir/$symlink" ]]; then
ddebug "Creating extra symlink: $symlink"
inst_symlink "$symlink"
fi
done
}
# find a binary. If we were not passed the full path directly,
# search in the usual places to find the binary.
find_binary() {
local bin="${1:?}"
if [[ -z ${bin##/*} ]]; then
if [[ -x "$bin" ]] || { strstr "$bin" ".so" && ldd "$bin" &>/dev/null; }; then
echo "$bin"
return 0
fi
fi
type -P "$bin"
}
# Same as above, but specialized to install binary executables.
# Install binary executable, and all shared library dependencies, if any.
inst_binary() {
local bin="${1:?}"
local path target
# In certain cases we might attempt to install a binary which is already
# present in the test image, yet it's missing from the host system.
# In such cases, let's check if the binary indeed exists in the image
# before doing any other chcecks. If it does, immediately return with
# success.
if [[ $# -eq 1 ]]; then
for path in "" bin sbin usr/bin usr/sbin; do
[[ -e "${initdir:?}${path:+/$path}/${bin}" ]] && return 0
done
fi
bin="$(find_binary "$bin")" || return 1
target="${2:-$bin}"
[[ -e "${initdir:?}/$target" ]] && return 0
[[ -L "$bin" ]] && inst_symlink "$bin" "$target" && return 0
local file line
local so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
# I love bash!
while read -r line; do
[[ "$line" = 'not a dynamic executable' ]] && break
if [[ "$line" =~ $so_regex ]]; then
file="${BASH_REMATCH[1]}"
[[ -e "${initdir}/$file" ]] && continue
inst_library "$file"
continue
fi
if [[ "$line" =~ not\ found ]]; then
dfatal "Missing a shared library required by $bin."
dfatal "Run \"ldd $bin\" to find out what it is."
dfatal "$line"
dfatal "dracut cannot create an initrd."
exit 1
fi
done < <(LC_ALL=C ldd "$bin" 2>/dev/null)
inst_simple "$bin" "$target"
}
# same as above, except for shell scripts.
# If your shell script does not start with shebang, it is not a shell script.
inst_script() {
local bin line shebang_regex
bin="$(find_binary "${1:?}")" || return 1
shift
read -r -n 80 line <"$bin"
# If debug is set, clean unprintable chars to prevent messing up the term
[[ "${debug:=}" ]] && line="$(echo -n "$line" | tr -c -d '[:print:][:space:]')"
shebang_regex='(#! *)(/[^ ]+).*'
[[ "$line" =~ $shebang_regex ]] || return 1
inst "${BASH_REMATCH[2]}" && inst_simple "$bin" "$@"
}
# same as above, but specialized for symlinks
inst_symlink() {
local src="${1:?}"
local target="${2:-$src}"
local realsrc
strstr "$src" "/" || return 1
[[ -L "$src" ]] || return 1
[[ -L "${initdir:?}/$target" ]] && return 0
realsrc="$(readlink -f "$src")"
if ! [[ -e "$initdir/$realsrc" ]]; then
if [[ -d "$realsrc" ]]; then
inst_dir "$realsrc"
else
inst "$realsrc"
fi
fi
[[ ! -e "$initdir/${target%/*}" ]] && inst_dir "${target%/*}"
[[ -d "${target%/*}" ]] && target="$(readlink -f "${target%/*}")/${target##*/}"
ln -sfn -- "$(convert_abs_rel "${target}" "${realsrc}")" "$initdir/$target"
}
# attempt to install any programs specified in a udev rule
inst_rule_programs() {
local rule="${1:?}"
local prog bin
awk 'match($0, /PROGRAM==?"([^ "]+)/, m) { print m[1]; }' "$rule" | while read -r prog; do
if [ -x "/lib/udev/$prog" ]; then
bin="/lib/udev/$prog"
else
if ! bin="$(find_binary "$prog")"; then
dinfo "Skipping program $prog used in udev rule $(basename "$rule") as it cannot be found"
continue
fi
fi
#dinfo "Installing $_bin due to it's use in the udev rule $(basename $1)"
dracut_install "$bin"
done
}
# udev rules always get installed in the same place, so
# create a function to install them to make life simpler.
inst_rules() {
local target=/etc/udev/rules.d
local found rule
inst_dir "/lib/udev/rules.d"
inst_dir "$target"
for rule in "$@"; do
if [ "${rule#/}" = "$rule" ]; then
for r in /lib/udev/rules.d /etc/udev/rules.d; do
if [[ -f "$r/$rule" ]]; then
found="$r/$rule"
inst_simple "$found"
inst_rule_programs "$found"
fi
done
fi
for r in '' ./; do
if [[ -f "${r}${rule}" ]]; then
found="${r}${rule}"
inst_simple "$found" "$target/${found##*/}"
inst_rule_programs "$found"
fi
done
[[ $found ]] || dinfo "Skipping udev rule: $rule"
found=
done
}
# general purpose installation function
# Same args as above.
inst() {
case $# in
1) ;;
2)
[[ ! "$initdir" && -d "$2" ]] && export initdir="$2"
[[ "$initdir" = "$2" ]] && set "$1"
;;
3)
[[ -z "$initdir" ]] && export initdir="$2"
set "$1" "$3"
;;
*)
dfatal "inst only takes 1 or 2 or 3 arguments"
exit 1
;;
esac
local fun
for fun in inst_symlink inst_script inst_binary inst_simple; do
"$fun" "$@" && return 0
done
return 1
}
# install any of listed files
#
# If first argument is '-d' and second some destination path, first accessible
# source is installed into this path, otherwise it will installed in the same
# path as source. If none of listed files was installed, function return 1.
# On first successful installation it returns with 0 status.
#
# Example:
#
# inst_any -d /bin/foo /bin/bar /bin/baz
#
# Lets assume that /bin/baz exists, so it will be installed as /bin/foo in
# initramfs.
inst_any() {
local dest file
[[ "${1:?}" = '-d' ]] && dest="${2:?}" && shift 2
for file in "$@"; do
if [[ -e "$file" ]]; then
[[ -n "$dest" ]] && inst "$file" "$dest" && return 0
inst "$file" && return 0
fi
done
return 1
}
# dracut_install [-o ] <file> [<file> ... ]
# Install <file> to the initramfs image
# -o optionally install the <file> and don't fail, if it is not there
dracut_install() {
local optional=no
local prog="${1:?}"
if [[ "$prog" = '-o' ]]; then
optional=yes
shift
fi
for prog in "$@"; do
if ! inst "$prog" ; then
if [[ "$optional" = yes ]]; then
dinfo "Skipping program $prog as it cannot be found and is" \
"flagged to be optional"
else
dfatal "Failed to install $prog"
exit 1
fi
fi
done
}
# Install a single kernel module along with any firmware it may require.
# $1 = full path to kernel module to install
install_kmod_with_fw() {
local module="${1:?}"
# no need to go further if the module is already installed
[[ -e "${initdir:?}/lib/modules/${KERNEL_VER:?}/${module##*/lib/modules/$KERNEL_VER/}" ]] && return 0
[[ -e "$initdir/.kernelmodseen/${module##*/}" ]] && return 0
[ -d "$initdir/.kernelmodseen" ] && : >"$initdir/.kernelmodseen/${module##*/}"
inst_simple "$module" "/lib/modules/$KERNEL_VER/${module##*/lib/modules/$KERNEL_VER/}" || return $?
local modname="${module##*/}"
local fwdir found fw
modname="${modname%.ko*}"
while read -r fw; do
found=
for fwdir in /lib/firmware/updates /lib/firmware; do
if [[ -d "$fwdir" && -f "$fwdir/$fw" ]]; then
inst_simple "$fwdir/$fw" "/lib/firmware/$fw"
found=yes
fi
done
if [[ $found != yes ]]; then
if ! grep -qe "\<${modname//-/_}\>" /proc/modules; then
dinfo "Possible missing firmware \"${fw}\" for kernel module" \
"\"${modname}.ko\""
else
dwarn "Possible missing firmware \"${fw}\" for kernel module" \
"\"${modname}.ko\""
fi
fi
done < <(modinfo -k "$KERNEL_VER" -F firmware "$module" 2>/dev/null)
return 0
}
# Do something with all the dependencies of a kernel module.
# Note that kernel modules depend on themselves using the technique we use
# $1 = function to call for each dependency we find
# It will be passed the full path to the found kernel module
# $2 = module to get dependencies for
# rest of args = arguments to modprobe
for_each_kmod_dep() {
local func="${1:?}"
local kmod="${2:?}"
local found=0
local cmd modpath
shift 2
while read -r cmd modpath _; do
[[ "$cmd" = insmod ]] || continue
"$func" "$modpath" || return $?
found=1
done < <(modprobe "$@" --ignore-install --show-depends "$kmod")
[[ $found -eq 0 ]] && return 1
return 0
}
# instmods [-c] <kernel module> [<kernel module> ... ]
# instmods [-c] <kernel subsystem>
# install kernel modules along with all their dependencies.
# <kernel subsystem> can be e.g. "=block" or "=drivers/usb/storage"
# FIXME(?): dracutdevs/dracut@f4e38c0da8d6bf3764c1ad753d9d52aef63050e5
instmods() {
local check=no
if [[ $# -ge 0 && "$1" = '-c' ]]; then
check=yes
shift
fi
inst1mod() {
local mod="${1:?}"
local ret=0
local mod_dir="/lib/modules/${KERNEL_VER:?}/"
case "$mod" in
=*)
if [ -f "${mod_dir}/modules.${mod#=}" ]; then
(
[[ "$mpargs" ]] && echo "$mpargs"
cat "${mod_dir}/modules.${mod#=}"
) | instmods
else
(
[[ "$mpargs" ]] && echo "$mpargs"
find "$mod_dir" -path "*/${mod#=}/*" -type f -printf '%f\n'
) | instmods
fi
;;
--*)
mpargs+=" $mod"
;;
i2o_scsi)
# Do not load this diagnostic-only module
return
;;
*)
mod=${mod##*/}
# if we are already installed, skip this module and go on
# to the next one.
[[ -f "${initdir:?}/.kernelmodseen/${mod%.ko}.ko" ]] && return
# We use '-d' option in modprobe only if modules prefix path
# differs from default '/'. This allows us to use Dracut with
# old version of modprobe which doesn't have '-d' option.
local mod_dirname=${mod_dir%%/lib/modules/*}
[[ -n ${mod_dirname} ]] && mod_dirname="-d ${mod_dirname}/"
# ok, load the module, all its dependencies, and any firmware
# it may require
for_each_kmod_dep install_kmod_with_fw "$mod" \
--set-version "$KERNEL_VER" \
${mod_dirname:+"$mod_dirname"} \
${mpargs:+"$mpargs"}
((ret+=$?))
;;
esac
return "$ret"
}
local mod mpargs
if [[ $# -eq 0 ]]; then # filenames from stdin
while read -r mod; do
if ! inst1mod "${mod%.ko*}" && [ "$check" = "yes" ]; then
dfatal "Failed to install $mod"
return 1
fi
done
fi
for mod in "$@"; do # filenames as arguments
if ! inst1mod "${mod%.ko*}" && [ "$check" = "yes" ]; then
dfatal "Failed to install $mod"
return 1
fi
done
return 0
}
setup_suse() {
ln -fs ../usr/bin/systemctl "${initdir:?}/bin/"
ln -fs ../usr/lib/systemd "$initdir/lib/"
inst_simple "/usr/lib/systemd/system/haveged.service"
}
_umount_dir() {
local mountpoint="${1:?}"
if mountpoint -q "$mountpoint"; then
ddebug "umount $mountpoint"
umount "$mountpoint"
fi
}
# can be overridden in specific test
test_setup_cleanup() {
cleanup_initdir
}
_test_cleanup() {
# (post-test) cleanup should always ignore failure and cleanup as much as possible
(
set +e
[[ -n "$initdir" ]] && _umount_dir "$initdir"
[[ -n "$IMAGE_PUBLIC" ]] && rm -vf "$IMAGE_PUBLIC"
# If multiple setups/cleans are ran in parallel, this can cause a race
if [[ -n "$IMAGESTATEDIR" && $TEST_PARALLELIZE -ne 1 ]]; then
rm -vf "${IMAGESTATEDIR}/default.img"
fi
[[ -n "$TESTDIR" ]] && rm -vfr "$TESTDIR"
[[ -n "$STATEFILE" ]] && rm -vf "$STATEFILE"
) || :
}
# can be overridden in specific test
test_cleanup() {
_test_cleanup
}
test_cleanup_again() {
[ -n "$TESTDIR" ] || return
rm -rf "$TESTDIR/unprivileged-nspawn-root"
[[ -n "$initdir" ]] && _umount_dir "$initdir"
}
test_create_image() {
create_empty_image_rootdir
# Create what will eventually be our root filesystem onto an overlay
(
LOG_LEVEL=5
setup_basic_environment
# We want to test all services in TEST-01-BASIC, but mask them in
# all other tests
if [[ "$TESTID" != "01" ]]; then
dinfo "Masking supporting services"
mask_supporting_services
fi
)
}
test_setup() {
if [ "${TEST_REQUIRE_INSTALL_TESTS:?}" -ne 0 ] && \
command -v meson >/dev/null && \
[[ "$(meson configure "${BUILD_DIR:?}" | grep install-tests | awk '{ print $2 }')" != "true" ]]; then
dfatal "$BUILD_DIR needs to be built with -Dinstall-tests=true"
exit 1
fi
if [ -e "${IMAGE_PRIVATE:?}" ]; then
echo "Reusing existing image $IMAGE_PRIVATE → $(realpath "$IMAGE_PRIVATE")"
mount_initdir
else
if [ ! -e "${IMAGE_PUBLIC:?}" ]; then
# default.img is the base that every test uses and optionally appends to
if [ ! -e "${IMAGESTATEDIR:?}/default.img" ] || [ -n "${TEST_FORCE_NEWIMAGE:=}" ]; then
# Create the backing public image, but then completely unmount
# it and drop the loopback device responsible for it, since we're
# going to symlink/copy the image and mount it again from
# elsewhere.
local image_old="${IMAGE_PUBLIC}"
if [ -z "${TEST_FORCE_NEWIMAGE}" ]; then
IMAGE_PUBLIC="${IMAGESTATEDIR}/default.img"
fi
test_create_image
test_setup_cleanup
umount_loopback
cleanup_loopdev
IMAGE_PUBLIC="${image_old}"
fi
if [ "${IMAGE_NAME:?}" != "default" ] && [ -z "${TEST_FORCE_NEWIMAGE}" ]; then
cp -v "$(realpath "${IMAGESTATEDIR}/default.img")" "$IMAGE_PUBLIC"
fi
fi
local hook_defined=1
if declare -f -F test_append_files >/dev/null; then
hook_defined=$?
fi
echo "Reusing existing cached image $IMAGE_PUBLIC → $(realpath "$IMAGE_PUBLIC")"
if [ "$TEST_PARALLELIZE" -ne 0 ] || [ "$hook_defined" -eq 0 ]; then
cp -v -- "$(realpath "$IMAGE_PUBLIC")" "$IMAGE_PRIVATE"
else
ln -sv -- "$(realpath "$IMAGE_PUBLIC")" "$IMAGE_PRIVATE"
fi
mount_initdir
if [ "$hook_defined" -eq 0 ]; then
test_append_files "${initdir:?}"
fi
fi
setup_nspawn_root
}
test_run() {
local test_id="${1:?}"
mount_initdir
if [ -z "${TEST_NO_QEMU:=}" ]; then
if run_qemu "$test_id"; then
check_result_qemu || { echo "QEMU test failed"; return 1; }
else
dwarn "can't run QEMU, skipping"
fi
fi
if [ -z "${TEST_NO_NSPAWN:=}" ]; then
mount_initdir
if run_nspawn "${initdir:?}" "$test_id"; then
check_result_nspawn "$initdir" || { echo "nspawn-root test failed"; return 1; }
else
dwarn "can't run systemd-nspawn, skipping"
fi
if [[ "${RUN_IN_UNPRIVILEGED_CONTAINER:=}" = "yes" ]]; then
dir="$TESTDIR/unprivileged-nspawn-root"
if NSPAWN_ARGUMENTS="-U --private-network ${NSPAWN_ARGUMENTS:-}" run_nspawn "$dir" "$test_id"; then
check_result_nspawn "$dir" || { echo "unprivileged-nspawn-root test failed"; return 1; }
else
dwarn "can't run systemd-nspawn, skipping"
fi
fi
fi
return 0
}
do_test() {
if [[ $UID != "0" ]]; then
echo "TEST: $TEST_DESCRIPTION [SKIPPED]: not root" >&2
exit 0
fi
if [ -n "${TEST_NO_QEMU:=}" ] && [ -n "${TEST_NO_NSPAWN:=}" ]; then
echo "TEST: $TEST_DESCRIPTION [SKIPPED]: both QEMU and nspawn disabled" >&2
exit 0
fi
if [ -n "${TEST_QEMU_ONLY:=}" ] && [ -z "$TEST_NO_NSPAWN" ]; then
echo "TEST: $TEST_DESCRIPTION [SKIPPED]: QEMU-only tests requested" >&2
exit 0
fi
if [ -n "${TEST_PREFER_NSPAWN:=}" ] && [ -z "$TEST_NO_NSPAWN" ]; then
TEST_NO_QEMU=1
fi
# Detect lib paths
[[ "$libdir" ]] || for libdir in /lib64 /lib; do
[[ -d $libdir ]] && libdirs+=" $libdir" && break
done
[[ "$usrlibdir" ]] || for usrlibdir in /usr/lib64 /usr/lib; do
[[ -d $usrlibdir ]] && libdirs+=" $usrlibdir" && break
done
mkdir -p "$STATEDIR"
import_testdir
import_initdir
if [ -n "${SUDO_USER}" ]; then
ddebug "Making ${TESTDIR:?} readable for ${SUDO_USER} (acquired from sudo)"
setfacl -m "user:${SUDO_USER:?}:r-X" "${TESTDIR:?}"
fi
testname="$(basename "$PWD")"
while (($# > 0)); do
case $1 in
--run)
echo "${testname} RUN: $TEST_DESCRIPTION"
test_run "$TESTID"
ret=$?
if [ $ret -eq 0 ]; then
echo "${testname} RUN: $TEST_DESCRIPTION [OK]"
else
echo "${testname} RUN: $TEST_DESCRIPTION [FAILED]"
fi
exit $ret;;
--setup)
echo "${testname} SETUP: $TEST_DESCRIPTION"
test_setup
test_setup_cleanup
;;
--clean)
echo "${testname} CLEANUP: $TEST_DESCRIPTION"
test_cleanup
;;
--clean-again)
echo "${testname} CLEANUP AGAIN: $TEST_DESCRIPTION"
test_cleanup_again
;;
--all)
ret=0
echo -n "${testname}: $TEST_DESCRIPTION "
# Do not use a subshell, otherwise cleanup variables (LOOPDEV) will be lost
# and loop devices will leak
test_setup </dev/null >"$TESTLOG" 2>&1 || ret=$?
if [ $ret -eq 0 ]; then
test_setup_cleanup </dev/null >>"$TESTLOG" 2>&1 || ret=$?
fi
if [ $ret -eq 0 ]; then
test_run "$TESTID" </dev/null >>"$TESTLOG" 2>&1 || ret=$?
fi
test_cleanup
if [ $ret -eq 0 ]; then
rm "$TESTLOG"
echo "[OK]"
else
echo "[FAILED]"
echo "see $TESTLOG"
fi
exit $ret;;
*) break ;;
esac
shift
done
}
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