test/test-functions

   1 #!/bin/bash
   2 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
   3 # ex: ts=8 sw=4 sts=4 et filetype=sh
   4 PATH=/sbin:/bin:/usr/sbin:/usr/bin
   5 export PATH
   6
   7 LOOKS_LIKE_DEBIAN=$(source /etc/os-release && [[ "$ID" = "debian" || " $ID_LIKE " = *" debian "* ]] && echo yes || true)
   8 LOOKS_LIKE_ARCH=$(source /etc/os-release && [[ "$ID" = "arch" || " $ID_LIKE " = *" arch "* ]] && echo yes || true)
   9 LOOKS_LIKE_SUSE=$(source /etc/os-release && [[ " $ID_LIKE " = *" suse "* ]] && echo yes || true)
  10 KERNEL_VER=${KERNEL_VER-$(uname -r)}
  11 KERNEL_MODS="/lib/modules/$KERNEL_VER/"
  12 QEMU_TIMEOUT="${QEMU_TIMEOUT:-infinity}"
  13 NSPAWN_TIMEOUT="${NSPAWN_TIMEOUT:-infinity}"
  14 TIMED_OUT=  # will be 1 after run_* if *_TIMEOUT is set and test timed out
  15 [[ "$LOOKS_LIKE_SUSE" ]] && FSTYPE="${FSTYPE:-btrfs}" || FSTYPE="${FSTYPE:-ext4}"
  16 UNIFIED_CGROUP_HIERARCHY="${UNIFIED_CGROUP_HIERARCHY:-default}"
  17 EFI_MOUNT="$(bootctl -p 2>/dev/null || echo /boot)"
  18
  19 if ! ROOTLIBDIR=$(pkg-config --variable=systemdutildir systemd); then
  20     echo "WARNING! Cannot determine rootlibdir from pkg-config, assuming /usr/lib/systemd" >&2
  21     ROOTLIBDIR=/usr/lib/systemd
  22 fi
  23
  24 BASICTOOLS="test sh bash setsid loadkeys setfont login sulogin gzip sleep echo mount umount cryptsetup date dmsetup modprobe sed cmp tee rm true false chmod chown ln"
  25 DEBUGTOOLS="df free ls stty cat ps ln ip route dmesg dhclient mkdir cp ping dhclient strace less grep id tty touch du sort hostname find"
  26
  27 STATEDIR="${BUILD_DIR:-.}/test/$(basename $(dirname $(realpath $0)))"
  28 STATEFILE="$STATEDIR/.testdir"
  29 TESTLOG="$STATEDIR/test.log"
  30
  31 function find_qemu_bin() {
  32     # SUSE and Red Hat call the binary qemu-kvm. Debian and Gentoo call it kvm.
  33     # Either way, only use this version if we aren't running in KVM, because
  34     # nested KVM is flaky still.
  35     if [ `systemd-detect-virt -v` != kvm ] ; then
  36         [ "$QEMU_BIN" ] || QEMU_BIN=$(which -a kvm qemu-kvm 2>/dev/null | grep '^/' -m1)
  37     fi
  38
  39     [ "$ARCH" ] || ARCH=$(uname -m)
  40     case $ARCH in
  41     x86_64)
  42         # QEMU's own build system calls it qemu-system-x86_64
  43         [ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu-system-x86_64 2>/dev/null | grep '^/' -m1)
  44         ;;
  45     i*86)
  46         # new i386 version of QEMU
  47         [ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu-system-i386 2>/dev/null | grep '^/' -m1)
  48
  49         # i386 version of QEMU
  50         [ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu 2>/dev/null | grep '^/' -m1)
  51         ;;
  52     ppc64*)
  53         [ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu-system-$ARCH 2>/dev/null | grep '^/' -m1)
  54         ;;
  55     esac
  56
  57     if [ ! -e "$QEMU_BIN" ]; then
  58         echo "Could not find a suitable QEMU binary" >&2
  59         return 1
  60     fi
  61 }
  62
  63 # Return 0 if QEMU did run (then you must check the result state/logs for actual
  64 # success), or 1 if QEMU is not available.
  65 run_qemu() {
  66     if [ -f /etc/machine-id ]; then
  67         read MACHINE_ID < /etc/machine-id
  68         [ -z "$INITRD" ] && [ -e "$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/initrd" ] \
  69             && INITRD="$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/initrd"
  70         [ -z "$KERNEL_BIN" ] && [ -e "$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/linux" ] \
  71             && KERNEL_BIN="$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/linux"
  72     fi
  73
  74     if [[ ! "$KERNEL_BIN" ]]; then
  75         if [[ "$LOOKS_LIKE_ARCH" ]]; then
  76             KERNEL_BIN=/boot/vmlinuz-linux
  77         else
  78             KERNEL_BIN=/boot/vmlinuz-$KERNEL_VER
  79         fi
  80     fi
  81
  82     default_fedora_initrd=/boot/initramfs-${KERNEL_VER}.img
  83     default_debian_initrd=/boot/initrd.img-${KERNEL_VER}
  84     default_arch_initrd=/boot/initramfs-linux.img
  85     default_suse_initrd=/boot/initrd-${KERNEL_VER}
  86     if [[ ! "$INITRD" ]]; then
  87         if [[ -e "$default_fedora_initrd" ]]; then
  88             INITRD="$default_fedora_initrd"
  89         elif [[ "$LOOKS_LIKE_DEBIAN" && -e "$default_debian_initrd" ]]; then
  90             INITRD="$default_debian_initrd"
  91         elif [[ "$LOOKS_LIKE_ARCH" && -e "$default_arch_initrd" ]]; then
  92             INITRD="$default_arch_initrd"
  93         elif [[ "$LOOKS_LIKE_SUSE" && -e "$default_suse_initrd" ]]; then
  94             INITRD="$default_suse_initrd"
  95         fi
  96     fi
  97
  98     [ "$QEMU_SMP" ]   || QEMU_SMP=1
  99
 100     find_qemu_bin || return 1
 101
 102     local _cgroup_args
 103     if [[ "$UNIFIED_CGROUP_HIERARCHY" = "yes" ]]; then
 104         _cgroup_args="systemd.unified_cgroup_hierarchy=yes"
 105     elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "no" ]]; then
 106         _cgroup_args="systemd.unified_cgroup_hierarchy=no systemd.legacy_systemd_cgroup_controller=yes"
 107     elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "hybrid" ]]; then
 108         _cgroup_args="systemd.unified_cgroup_hierarchy=no systemd.legacy_systemd_cgroup_controller=no"
 109     elif [[ "$UNIFIED_CGROUP_HIERARCHY" != "default" ]]; then
 110         dfatal "Unknown UNIFIED_CGROUP_HIERARCHY. Got $UNIFIED_CGROUP_HIERARCHY, expected [yes|no|hybrid|default]"
 111         exit 1
 112     fi
 113
 114 if [[ "$LOOKS_LIKE_SUSE" ]]; then
 115     PARAMS+="rd.hostonly=0"
 116 else
 117     PARAMS+="ro"
 118 fi
 119
 120 KERNEL_APPEND="$PARAMS \
 121 root=/dev/sda1 \
 122 raid=noautodetect \
 123 loglevel=2 \
 124 init=$ROOTLIBDIR/systemd \
 125 console=ttyS0 \
 126 selinux=0 \
 127 $_cgroup_args \
 128 $KERNEL_APPEND \
 129 "
 130
 131     QEMU_OPTIONS="-smp $QEMU_SMP \
 132 -net none \
 133 -m 512M \
 134 -nographic \
 135 -kernel $KERNEL_BIN \
 136 -drive format=raw,cache=unsafe,file=${TESTDIR}/rootdisk.img \
 137 "
 138
 139     if [[ "$INITRD" && "$SKIP_INITRD" != "yes" ]]; then
 140         QEMU_OPTIONS="$QEMU_OPTIONS -initrd $INITRD"
 141     fi
 142
 143     # Let's use KVM if it is available, but let's avoid using nested KVM as that is still flaky
 144     if [ -c /dev/kvm -a `systemd-detect-virt -v` != kvm ]; then
 145         QEMU_OPTIONS="$QEMU_OPTIONS -machine accel=kvm -enable-kvm -cpu host"
 146     fi
 147
 148     if [[ "$QEMU_TIMEOUT" != "infinity" ]]; then
 149         QEMU_BIN="timeout --foreground $QEMU_TIMEOUT $QEMU_BIN"
 150     fi
 151     (set -x; $QEMU_BIN $QEMU_OPTIONS -append "$KERNEL_APPEND")
 152     rc=$?
 153     if [ "$rc" = 124 ] && [ "$QEMU_TIMEOUT" != "infinity" ]; then
 154         derror "test timed out after $QEMU_TIMEOUT s"
 155         TIMED_OUT=1
 156     else
 157         [ "$rc" != 0 ] && derror "QEMU failed with exit code $rc"
 158     fi
 159     return 0
 160 }
 161
 162 # Return 0 if nspawn did run (then you must check the result state/logs for actual
 163 # success), or 1 if nspawn is not available.
 164 run_nspawn() {
 165     [[ -d /run/systemd/system ]] || return 1
 166
 167     local _nspawn_cmd="$BUILD_DIR/systemd-nspawn --register=no --kill-signal=SIGKILL --directory=$TESTDIR/nspawn-root $ROOTLIBDIR/systemd $KERNEL_APPEND"
 168     if [[ "$NSPAWN_TIMEOUT" != "infinity" ]]; then
 169         _nspawn_cmd="timeout --foreground $NSPAWN_TIMEOUT $_nspawn_cmd"
 170     fi
 171
 172     if [[ "$UNIFIED_CGROUP_HIERARCHY" = "hybrid" ]]; then
 173         dwarn "nspawn doesn't support UNIFIED_CGROUP_HIERARCHY=hybrid, skipping"
 174         exit
 175     elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "yes" || "$UNIFIED_CGROUP_HIERARCHY" = "no" ]]; then
 176         _nspawn_cmd="env UNIFIED_CGROUP_HIERARCHY=$UNIFIED_CGROUP_HIERARCHY $_nspawn_cmd"
 177     elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "default" ]]; then
 178         _nspawn_cmd="env --unset=UNIFIED_CGROUP_HIERARCHY $_nspawn_cmd"
 179     else
 180         dfatal "Unknown UNIFIED_CGROUP_HIERARCHY. Got $UNIFIED_CGROUP_HIERARCHY, expected [yes|no|hybrid|default]"
 181         exit 1
 182     fi
 183
 184     (set -x; $_nspawn_cmd)
 185     rc=$?
 186     if [ "$rc" = 124 ] && [ "$NSPAWN_TIMEOUT" != "infinity" ]; then
 187         derror "test timed out after $NSPAWN_TIMEOUT s"
 188         TIMED_OUT=1
 189     else
 190         [ "$rc" != 0 ] && derror "nspawn failed with exit code $rc"
 191     fi
 192     return 0
 193 }
 194
 195 setup_basic_environment() {
 196     # create the basic filesystem layout
 197     setup_basic_dirs
 198
 199     install_systemd
 200     install_missing_libraries
 201     install_config_files
 202     create_rc_local
 203     install_basic_tools
 204     install_libnss
 205     install_pam
 206     install_dbus
 207     install_fonts
 208     install_keymaps
 209     install_terminfo
 210     install_execs
 211     install_fsck
 212     install_plymouth
 213     install_debug_tools
 214     install_ld_so_conf
 215     setup_selinux
 216     strip_binaries
 217     install_depmod_files
 218     generate_module_dependencies
 219 }
 220
 221 setup_selinux() {
 222     # don't forget KERNEL_APPEND='... selinux=1 ...'
 223     if [[ "$SETUP_SELINUX" != "yes" ]]; then
 224         ddebug "Don't setup SELinux"
 225         return 0
 226     fi
 227     ddebug "Setup SELinux"
 228     local _conf_dir=/etc/selinux
 229     local _fixfiles_tools="bash uname cat sort uniq awk grep egrep head expr find rm secon setfiles"
 230
 231     rm -rf $initdir/$_conf_dir
 232     if ! cp -ar $_conf_dir $initdir/$_conf_dir; then
 233         dfatal "Failed to copy $_conf_dir"
 234         exit 1
 235     fi
 236
 237     cat <<EOF >$initdir/etc/systemd/system/autorelabel.service
 238 [Unit]
 239 Description=Relabel all filesystems
 240 DefaultDependencies=no
 241 Requires=local-fs.target
 242 Conflicts=shutdown.target
 243 After=local-fs.target
 244 Before=sysinit.target shutdown.target
 245 ConditionSecurity=selinux
 246 ConditionPathExists=|/.autorelabel
 247
 248 [Service]
 249 ExecStart=/bin/sh -x -c 'echo 0 >/sys/fs/selinux/enforce && fixfiles -f -F relabel && rm /.autorelabel && systemctl --force reboot'
 250 Type=oneshot
 251 TimeoutSec=0
 252 RemainAfterExit=yes
 253 EOF
 254
 255     touch $initdir/.autorelabel
 256     mkdir -p $initdir/etc/systemd/system/basic.target.wants
 257     ln -fs autorelabel.service $initdir/etc/systemd/system/basic.target.wants/autorelabel.service
 258
 259     dracut_install $_fixfiles_tools
 260     dracut_install fixfiles
 261     dracut_install sestatus
 262 }
 263
 264 install_valgrind() {
 265     if ! type -p valgrind; then
 266         dfatal "Failed to install valgrind"
 267         exit 1
 268     fi
 269
 270     local _valgrind_bins=$(strace -e execve valgrind /bin/true 2>&1 >/dev/null | perl -lne 'print $1 if /^execve\("([^"]+)"/')
 271     dracut_install $_valgrind_bins
 272
 273     local _valgrind_libs=$(LD_DEBUG=files valgrind /bin/true 2>&1 >/dev/null | perl -lne 'print $1 if m{calling init: (/.*vgpreload_.*)}')
 274     dracut_install $_valgrind_libs
 275
 276     local _valgrind_dbg_and_supp=$(
 277         strace -e open valgrind /bin/true 2>&1 >/dev/null |
 278         perl -lne 'if (my ($fname) = /^open\("([^"]+).*= (?!-)\d+/) { print $fname if $fname =~ /debug|\.supp$/ }'
 279     )
 280     dracut_install $_valgrind_dbg_and_supp
 281 }
 282
 283 create_valgrind_wrapper() {
 284     local _valgrind_wrapper=$initdir/$ROOTLIBDIR/systemd-under-valgrind
 285     ddebug "Create $_valgrind_wrapper"
 286     cat >$_valgrind_wrapper <<EOF
 287 #!/bin/bash
 288
 289 mount -t proc proc /proc
 290 exec valgrind --leak-check=full --log-file=/valgrind.out $ROOTLIBDIR/systemd "\$@"
 291 EOF
 292     chmod 0755 $_valgrind_wrapper
 293 }
 294
 295 create_strace_wrapper() {
 296     local _strace_wrapper=$initdir/$ROOTLIBDIR/systemd-under-strace
 297     ddebug "Create $_strace_wrapper"
 298     cat >$_strace_wrapper <<EOF
 299 #!/bin/bash
 300
 301 exec strace -D -o /strace.out $ROOTLIBDIR/systemd "\$@"
 302 EOF
 303     chmod 0755 $_strace_wrapper
 304 }
 305
 306 install_fsck() {
 307     dracut_install /sbin/fsck*
 308     dracut_install -o /bin/fsck*
 309
 310     # fskc.reiserfs calls reiserfsck. so, install it
 311     dracut_install -o reiserfsck
 312 }
 313
 314 install_dmevent() {
 315     instmods dm_crypt =crypto
 316     type -P dmeventd >/dev/null && dracut_install dmeventd
 317     inst_libdir_file "libdevmapper-event.so*"
 318     if [[ "$LOOKS_LIKE_DEBIAN" ]]; then
 319         # dmsetup installs 55-dm and 60-persistent-storage-dm on Debian/Ubuntu
 320         # and since buster/bionic 95-dm-notify.rules
 321         # see https://gitlab.com/debian-lvm/lvm2/blob/master/debian/patches/udev.patch
 322         inst_rules 55-dm.rules 60-persistent-storage-dm.rules 95-dm-notify.rules
 323     else
 324         inst_rules 10-dm.rules 13-dm-disk.rules 95-dm-notify.rules
 325     fi
 326 }
 327
 328 install_systemd() {
 329     # install compiled files
 330     local _ninja_bin=$(type -P ninja || type -P ninja-build)
 331     if [[ -z "$_ninja_bin" ]]; then
 332         dfatal "ninja was not found"
 333         exit 1
 334     fi
 335     (set -x; DESTDIR=$initdir "$_ninja_bin" -C $BUILD_DIR install)
 336     # remove unneeded documentation
 337     rm -fr $initdir/usr/share/{man,doc}
 338     # we strip binaries since debug symbols increase binaries size a lot
 339     # and it could fill the available space
 340     strip_binaries
 341
 342    [[ "$LOOKS_LIKE_SUSE" ]] && setup_suse
 343
 344     # enable debug logging in PID1
 345     echo LogLevel=debug >> $initdir/etc/systemd/system.conf
 346 }
 347
 348 get_ldpath() {
 349     local _bin="$1"
 350     objdump -p "$_bin" 2>/dev/null | awk "/R(UN)?PATH/ { print \"$initdir\" \$2 }" | paste -sd :
 351 }
 352
 353 install_missing_libraries() {
 354     # install possible missing libraries
 355     for i in $initdir{,/usr}/{sbin,bin}/* $initdir{,/usr}/lib/systemd/*; do
 356         LD_LIBRARY_PATH=$(get_ldpath $i) inst_libs $i
 357     done
 358 }
 359
 360 create_empty_image() {
 361     rm -f "$TESTDIR/rootdisk.img"
 362     # Create the blank file to use as a root filesystem
 363     dd if=/dev/null of="$TESTDIR/rootdisk.img" bs=1M seek=400
 364     LOOPDEV=$(losetup --show -P -f $TESTDIR/rootdisk.img)
 365     [ -b "$LOOPDEV" ] || return 1
 366     echo "LOOPDEV=$LOOPDEV" >> $STATEFILE
 367     sfdisk "$LOOPDEV" <<EOF
 368 ,390M
 369 ,
 370 EOF
 371
 372     udevadm settle
 373
 374     local _label="-L systemd"
 375     # mkfs.reiserfs doesn't know -L. so, use --label instead
 376     [[ "$FSTYPE" == "reiserfs" ]] && _label="--label systemd"
 377     if ! mkfs -t "${FSTYPE}" ${_label} "${LOOPDEV}p1" -q; then
 378         dfatal "Failed to mkfs -t ${FSTYPE}"
 379         exit 1
 380     fi
 381 }
 382
 383 check_result_nspawn() {
 384     ret=1
 385     [[ -e $TESTDIR/nspawn-root/testok ]] && ret=0
 386     [[ -f $TESTDIR/nspawn-root/failed ]] && cp -a $TESTDIR/nspawn-root/failed $TESTDIR
 387     cp -a $TESTDIR/nspawn-root/var/log/journal $TESTDIR
 388     [[ -f $TESTDIR/failed ]] && cat $TESTDIR/failed
 389     ls -l $TESTDIR/journal/*/*.journal
 390     test -s $TESTDIR/failed && ret=$(($ret+1))
 391     [ -n "$TIMED_OUT" ] && ret=$(($ret+1))
 392     return $ret
 393 }
 394
 395 # can be overridden in specific test
 396 check_result_qemu() {
 397     ret=1
 398     mkdir -p $TESTDIR/root
 399     mount ${LOOPDEV}p1 $TESTDIR/root
 400     [[ -e $TESTDIR/root/testok ]] && ret=0
 401     [[ -f $TESTDIR/root/failed ]] && cp -a $TESTDIR/root/failed $TESTDIR
 402     cp -a $TESTDIR/root/var/log/journal $TESTDIR
 403     umount $TESTDIR/root
 404     [[ -f $TESTDIR/failed ]] && cat $TESTDIR/failed
 405     ls -l $TESTDIR/journal/*/*.journal
 406     test -s $TESTDIR/failed && ret=$(($ret+1))
 407     [ -n "$TIMED_OUT" ] && ret=$(($ret+1))
 408     return $ret
 409 }
 410
 411 strip_binaries() {
 412     if [[ "$STRIP_BINARIES" = "no" ]]; then
 413         ddebug "Don't strip binaries"
 414         return 0
 415     fi
 416     ddebug "Strip binaries"
 417     find "$initdir" -executable -not -path '*/lib/modules/*.ko' -type f | xargs strip --strip-unneeded | ddebug
 418 }
 419
 420 create_rc_local() {
 421     mkdir -p $initdir/etc/rc.d
 422     cat >$initdir/etc/rc.d/rc.local <<EOF
 423 #!/bin/bash
 424 exit 0
 425 EOF
 426     chmod 0755 $initdir/etc/rc.d/rc.local
 427 }
 428
 429 install_execs() {
 430     ddebug "install any Execs from the service files"
 431     (
 432     export PKG_CONFIG_PATH=$BUILD_DIR/src/core/
 433     systemdsystemunitdir=$(pkg-config --variable=systemdsystemunitdir systemd)
 434     systemduserunitdir=$(pkg-config --variable=systemduserunitdir systemd)
 435     egrep -ho '^Exec[^ ]*=[^ ]+' $initdir/{$systemdsystemunitdir,$systemduserunitdir}/*.service \
 436          | while read i; do
 437          i=${i##Exec*=}; i=${i##[@+\!-]}; i=${i##\!}
 438          # some {rc,halt}.local scripts and programs are okay to not exist, the rest should
 439          inst $i || [ "${i%.local}" != "$i" ] || [ "${i%systemd-update-done}" != "$i" ]
 440      done
 441     )
 442 }
 443
 444 generate_module_dependencies() {
 445     if [[ -d $initdir/lib/modules/$KERNEL_VER ]] && \
 446         ! depmod -a -b "$initdir" $KERNEL_VER; then
 447             dfatal "\"depmod -a $KERNEL_VER\" failed."
 448             exit 1
 449     fi
 450 }
 451
 452 install_depmod_files() {
 453     inst /lib/modules/$KERNEL_VER/modules.order
 454     inst /lib/modules/$KERNEL_VER/modules.builtin
 455 }
 456
 457 install_plymouth() {
 458     # install plymouth, if found... else remove plymouth service files
 459     # if [ -x /usr/libexec/plymouth/plymouth-populate-initrd ]; then
 460     #     PLYMOUTH_POPULATE_SOURCE_FUNCTIONS="$TEST_BASE_DIR/test-functions" \
 461     #         /usr/libexec/plymouth/plymouth-populate-initrd -t $initdir
 462     #         dracut_install plymouth plymouthd
 463     # else
 464         rm -f $initdir/{usr/lib,etc}/systemd/system/plymouth* $initdir/{usr/lib,etc}/systemd/system/*/plymouth*
 465     # fi
 466 }
 467
 468 install_ld_so_conf() {
 469     cp -a /etc/ld.so.conf* $initdir/etc
 470     ldconfig -r "$initdir"
 471 }
 472
 473 install_config_files() {
 474     inst /etc/sysconfig/init || true
 475     inst /etc/passwd
 476     inst /etc/shadow
 477     inst /etc/login.defs
 478     inst /etc/group
 479     inst /etc/shells
 480     inst /etc/nsswitch.conf
 481     inst /etc/pam.conf || true
 482     inst /etc/securetty || true
 483     inst /etc/os-release
 484     inst /etc/localtime
 485     # we want an empty environment
 486     > $initdir/etc/environment
 487     > $initdir/etc/machine-id
 488     # set the hostname
 489     echo systemd-testsuite > $initdir/etc/hostname
 490     # fstab
 491     if [[ "$LOOKS_LIKE_SUSE" ]]; then
 492        ROOTMOUNT="/dev/sda1           /       ${FSTYPE}    rw 0 1"
 493     else
 494        ROOTMOUNT="LABEL=systemd           /       ${FSTYPE}    rw 0 1"
 495     fi
 496
 497     cat >$initdir/etc/fstab <<EOF
 498 $ROOTMOUNT
 499 EOF
 500 }
 501
 502 install_basic_tools() {
 503     [[ $BASICTOOLS ]] && dracut_install $BASICTOOLS
 504     dracut_install -o sushell
 505     # in Debian ldconfig is just a shell script wrapper around ldconfig.real
 506     dracut_install -o ldconfig.real
 507 }
 508
 509 install_debug_tools() {
 510     [[ $DEBUGTOOLS ]] && dracut_install $DEBUGTOOLS
 511 }
 512
 513 install_libnss() {
 514     # install libnss_files for login
 515     NSS_LIBS=$(LD_DEBUG=files getent passwd 2>&1 >/dev/null |sed -n '/calling init: .*libnss_/ {s!^.* /!/!; p}')
 516     dracut_install $NSS_LIBS
 517 }
 518
 519 install_dbus() {
 520     inst $ROOTLIBDIR/system/dbus.socket
 521     inst $ROOTLIBDIR/system/dbus.service
 522
 523     find \
 524         /etc/dbus-1 /usr/share/dbus-1 -xtype f \
 525         | while read file; do
 526         inst $file
 527     done
 528 }
 529
 530 install_pam() {
 531     (
 532     if [[ "$LOOKS_LIKE_DEBIAN" ]] && type -p dpkg-architecture &>/dev/null; then
 533         find "/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH)/security" -xtype f
 534     else
 535         find /lib*/security -xtype f
 536     fi
 537     find /etc/pam.d /etc/security -xtype f
 538     ) | while read file; do
 539         inst $file
 540     done
 541
 542     # pam_unix depends on unix_chkpwd.
 543     # see http://www.linux-pam.org/Linux-PAM-html/sag-pam_unix.html
 544     dracut_install -o unix_chkpwd
 545
 546     [[ "$LOOKS_LIKE_DEBIAN" ]] &&
 547         cp /etc/pam.d/systemd-user $initdir/etc/pam.d/
 548
 549     # set empty root password for easy debugging
 550     sed -i 's/^root:x:/root::/' $initdir/etc/passwd
 551 }
 552
 553 install_keymaps() {
 554     for i in \
 555         /usr/lib/kbd/keymaps/include/* \
 556         /usr/lib/kbd/keymaps/i386/include/* \
 557         /usr/lib/kbd/keymaps/i386/qwerty/us.*; do
 558             [[ -f $i ]] || continue
 559             inst $i
 560     done
 561 }
 562
 563 install_fonts() {
 564     for i in \
 565         /usr/lib/kbd/consolefonts/eurlatgr* \
 566         /usr/lib/kbd/consolefonts/latarcyrheb-sun16*; do
 567             [[ -f $i ]] || continue
 568             inst $i
 569     done
 570 }
 571
 572 install_terminfo() {
 573     for _terminfodir in /lib/terminfo /etc/terminfo /usr/share/terminfo; do
 574         [ -f ${_terminfodir}/l/linux ] && break
 575     done
 576     dracut_install -o ${_terminfodir}/l/linux
 577 }
 578
 579 setup_testsuite() {
 580     cp $TEST_BASE_DIR/testsuite.target $initdir/etc/systemd/system/
 581     cp $TEST_BASE_DIR/end.service $initdir/etc/systemd/system/
 582
 583     mkdir -p $initdir/etc/systemd/system/testsuite.target.wants
 584     ln -fs $TEST_BASE_DIR/testsuite.service $initdir/etc/systemd/system/testsuite.target.wants/testsuite.service
 585     ln -fs $TEST_BASE_DIR/end.service $initdir/etc/systemd/system/testsuite.target.wants/end.service
 586
 587     # make the testsuite the default target
 588     ln -fs testsuite.target $initdir/etc/systemd/system/default.target
 589 }
 590
 591 setup_nspawn_root() {
 592     rm -fr $TESTDIR/nspawn-root
 593     ddebug "cp -ar $initdir $TESTDIR/nspawn-root"
 594     cp -ar $initdir $TESTDIR/nspawn-root
 595     # we don't mount in the nspawn root
 596     rm -f $TESTDIR/nspawn-root/etc/fstab
 597 }
 598
 599 setup_basic_dirs() {
 600     mkdir -p $initdir/run
 601     mkdir -p $initdir/etc/systemd/system
 602     mkdir -p $initdir/var/log/journal
 603
 604     for d in usr/bin usr/sbin bin etc lib "$libdir" sbin tmp usr var var/log dev proc sys sysroot root run run/lock run/initramfs; do
 605         if [ -L "/$d" ]; then
 606             inst_symlink "/$d"
 607         else
 608             inst_dir "/$d"
 609         fi
 610     done
 611
 612     ln -sfn /run "$initdir/var/run"
 613     ln -sfn /run/lock "$initdir/var/lock"
 614 }
 615
 616 inst_libs() {
 617     local _bin=$1
 618     local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
 619     local _file _line
 620
 621     LC_ALL=C ldd "$_bin" 2>/dev/null | while read _line; do
 622         [[ $_line = 'not a dynamic executable' ]] && break
 623
 624         if [[ $_line =~ $_so_regex ]]; then
 625             _file=${BASH_REMATCH[1]}
 626             [[ -e ${initdir}/$_file ]] && continue
 627             inst_library "$_file"
 628             continue
 629         fi
 630
 631         if [[ $_line =~ not\ found ]]; then
 632             dfatal "Missing a shared library required by $_bin."
 633             dfatal "Run \"ldd $_bin\" to find out what it is."
 634             dfatal "$_line"
 635             dfatal "dracut cannot create an initrd."
 636             exit 1
 637         fi
 638     done
 639 }
 640
 641 import_testdir() {
 642     [[ -e $STATEFILE ]] && . $STATEFILE
 643     if [[ -z "$TESTDIR" ]] || [[ ! -d "$TESTDIR" ]]; then
 644         TESTDIR=$(mktemp --tmpdir=/var/tmp -d -t systemd-test.XXXXXX)
 645         echo "TESTDIR=\"$TESTDIR\"" > $STATEFILE
 646         export TESTDIR
 647     fi
 648 }
 649
 650 import_initdir() {
 651     initdir=$TESTDIR/root
 652     export initdir
 653 }
 654
 655 ## @brief Converts numeric logging level to the first letter of level name.
 656 #
 657 # @param lvl Numeric logging level in range from 1 to 6.
 658 # @retval 1 if @a lvl is out of range.
 659 # @retval 0 if @a lvl is correct.
 660 # @result Echoes first letter of level name.
 661 _lvl2char() {
 662     case "$1" in
 663         1) echo F;;
 664         2) echo E;;
 665         3) echo W;;
 666         4) echo I;;
 667         5) echo D;;
 668         6) echo T;;
 669         *) return 1;;
 670     esac
 671 }
 672
 673 ## @brief Internal helper function for _do_dlog()
 674 #
 675 # @param lvl Numeric logging level.
 676 # @param msg Message.
 677 # @retval 0 It's always returned, even if logging failed.
 678 #
 679 # @note This function is not supposed to be called manually. Please use
 680 # dtrace(), ddebug(), or others instead which wrap this one.
 681 #
 682 # This function calls _do_dlog() either with parameter msg, or if
 683 # none is given, it will read standard input and will use every line as
 684 # a message.
 685 #
 686 # This enables:
 687 # dwarn "This is a warning"
 688 # echo "This is a warning" | dwarn
 689 LOG_LEVEL=4
 690
 691 dlog() {
 692     [ -z "$LOG_LEVEL" ] && return 0
 693     [ $1 -le $LOG_LEVEL ] || return 0
 694     local lvl="$1"; shift
 695     local lvlc=$(_lvl2char "$lvl") || return 0
 696
 697     if [ $# -ge 1 ]; then
 698         echo "$lvlc: $*"
 699     else
 700         while read line; do
 701             echo "$lvlc: " "$line"
 702         done
 703     fi
 704 }
 705
 706 ## @brief Logs message at TRACE level (6)
 707 #
 708 # @param msg Message.
 709 # @retval 0 It's always returned, even if logging failed.
 710 dtrace() {
 711     set +x
 712     dlog 6 "$@"
 713     [ -n "$debug" ] && set -x || :
 714 }
 715
 716 ## @brief Logs message at DEBUG level (5)
 717 #
 718 # @param msg Message.
 719 # @retval 0 It's always returned, even if logging failed.
 720 ddebug() {
 721 #    set +x
 722     dlog 5 "$@"
 723 #    [ -n "$debug" ] && set -x || :
 724 }
 725
 726 ## @brief Logs message at INFO level (4)
 727 #
 728 # @param msg Message.
 729 # @retval 0 It's always returned, even if logging failed.
 730 dinfo() {
 731     set +x
 732     dlog 4 "$@"
 733     [ -n "$debug" ] && set -x || :
 734 }
 735
 736 ## @brief Logs message at WARN level (3)
 737 #
 738 # @param msg Message.
 739 # @retval 0 It's always returned, even if logging failed.
 740 dwarn() {
 741     set +x
 742     dlog 3 "$@"
 743     [ -n "$debug" ] && set -x || :
 744 }
 745
 746 ## @brief Logs message at ERROR level (2)
 747 #
 748 # @param msg Message.
 749 # @retval 0 It's always returned, even if logging failed.
 750 derror() {
 751 #    set +x
 752     dlog 2 "$@"
 753 #    [ -n "$debug" ] && set -x || :
 754 }
 755
 756 ## @brief Logs message at FATAL level (1)
 757 #
 758 # @param msg Message.
 759 # @retval 0 It's always returned, even if logging failed.
 760 dfatal() {
 761     set +x
 762     dlog 1 "$@"
 763     [ -n "$debug" ] && set -x || :
 764 }
 765
 766
 767 # Generic substring function.  If $2 is in $1, return 0.
 768 strstr() { [ "${1#*$2*}" != "$1" ]; }
 769
 770 # normalize_path <path>
 771 # Prints the normalized path, where it removes any duplicated
 772 # and trailing slashes.
 773 # Example:
 774 # $ normalize_path ///test/test//
 775 # /test/test
 776 normalize_path() {
 777     shopt -q -s extglob
 778     set -- "${1//+(\/)//}"
 779     shopt -q -u extglob
 780     echo "${1%/}"
 781 }
 782
 783 # convert_abs_rel <from> <to>
 784 # Prints the relative path, when creating a symlink to <to> from <from>.
 785 # Example:
 786 # $ convert_abs_rel /usr/bin/test /bin/test-2
 787 # ../../bin/test-2
 788 # $ ln -s $(convert_abs_rel /usr/bin/test /bin/test-2) /usr/bin/test
 789 convert_abs_rel() {
 790     local __current __absolute __abssize __cursize __newpath
 791     local -i __i __level
 792
 793     set -- "$(normalize_path "$1")" "$(normalize_path "$2")"
 794
 795     # corner case #1 - self looping link
 796     [[ "$1" == "$2" ]] && { echo "${1##*/}"; return; }
 797
 798     # corner case #2 - own dir link
 799     [[ "${1%/*}" == "$2" ]] && { echo "."; return; }
 800
 801     IFS="/" __current=($1)
 802     IFS="/" __absolute=($2)
 803
 804     __abssize=${#__absolute[@]}
 805     __cursize=${#__current[@]}
 806
 807     while [[ ${__absolute[__level]} == ${__current[__level]} ]]
 808     do
 809         (( __level++ ))
 810         if (( __level > __abssize || __level > __cursize ))
 811         then
 812             break
 813         fi
 814     done
 815
 816     for ((__i = __level; __i < __cursize-1; __i++))
 817     do
 818         if ((__i > __level))
 819         then
 820             __newpath=$__newpath"/"
 821         fi
 822         __newpath=$__newpath".."
 823     done
 824
 825     for ((__i = __level; __i < __abssize; __i++))
 826     do
 827         if [[ -n $__newpath ]]
 828         then
 829             __newpath=$__newpath"/"
 830         fi
 831         __newpath=$__newpath${__absolute[__i]}
 832     done
 833
 834     echo "$__newpath"
 835 }
 836
 837
 838 # Install a directory, keeping symlinks as on the original system.
 839 # Example: if /lib points to /lib64 on the host, "inst_dir /lib/file"
 840 # will create ${initdir}/lib64, ${initdir}/lib64/file,
 841 # and a symlink ${initdir}/lib -> lib64.
 842 inst_dir() {
 843     [[ -e ${initdir}/"$1" ]] && return 0  # already there
 844
 845     local _dir="$1" _part="${1%/*}" _file
 846     while [[ "$_part" != "${_part%/*}" ]] && ! [[ -e "${initdir}/${_part}" ]]; do
 847         _dir="$_part $_dir"
 848         _part=${_part%/*}
 849     done
 850
 851     # iterate over parent directories
 852     for _file in $_dir; do
 853         [[ -e "${initdir}/$_file" ]] && continue
 854         if [[ -L $_file ]]; then
 855             inst_symlink "$_file"
 856         else
 857             # create directory
 858             mkdir -m 0755 -p "${initdir}/$_file" || return 1
 859             [[ -e "$_file" ]] && chmod --reference="$_file" "${initdir}/$_file"
 860             chmod u+w "${initdir}/$_file"
 861         fi
 862     done
 863 }
 864
 865 # $1 = file to copy to ramdisk
 866 # $2 (optional) Name for the file on the ramdisk
 867 # Location of the image dir is assumed to be $initdir
 868 # We never overwrite the target if it exists.
 869 inst_simple() {
 870     [[ -f "$1" ]] || return 1
 871     strstr "$1" "/" || return 1
 872
 873     local _src=$1 target="${2:-$1}"
 874     if ! [[ -d ${initdir}/$target ]]; then
 875         [[ -e ${initdir}/$target ]] && return 0
 876         [[ -L ${initdir}/$target ]] && return 0
 877         [[ -d "${initdir}/${target%/*}" ]] || inst_dir "${target%/*}"
 878     fi
 879     # install checksum files also
 880     if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
 881         inst "${_src%/*}/.${_src##*/}.hmac" "${target%/*}/.${target##*/}.hmac"
 882     fi
 883     ddebug "Installing $_src"
 884     cp --sparse=always -pfL "$_src" "${initdir}/$target"
 885 }
 886
 887 # find symlinks linked to given library file
 888 # $1 = library file
 889 # Function searches for symlinks by stripping version numbers appended to
 890 # library filename, checks if it points to the same target and finally
 891 # prints the list of symlinks to stdout.
 892 #
 893 # Example:
 894 # rev_lib_symlinks libfoo.so.8.1
 895 # output: libfoo.so.8 libfoo.so
 896 # (Only if libfoo.so.8 and libfoo.so exists on host system.)
 897 rev_lib_symlinks() {
 898     [[ ! $1 ]] && return 0
 899
 900     local fn="$1" orig="$(readlink -f "$1")" links=''
 901
 902     [[ ${fn} =~ .*\.so\..* ]] || return 1
 903
 904     until [[ ${fn##*.} == so ]]; do
 905         fn="${fn%.*}"
 906         [[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}"
 907     done
 908
 909     echo "${links}"
 910 }
 911
 912 # Same as above, but specialized to handle dynamic libraries.
 913 # It handles making symlinks according to how the original library
 914 # is referenced.
 915 inst_library() {
 916     local _src="$1" _dest=${2:-$1} _lib _reallib _symlink
 917     strstr "$1" "/" || return 1
 918     [[ -e $initdir/$_dest ]] && return 0
 919     if [[ -L $_src ]]; then
 920         # install checksum files also
 921         if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
 922             inst "${_src%/*}/.${_src##*/}.hmac" "${_dest%/*}/.${_dest##*/}.hmac"
 923         fi
 924         _reallib=$(readlink -f "$_src")
 925         inst_simple "$_reallib" "$_reallib"
 926         inst_dir "${_dest%/*}"
 927         [[ -d "${_dest%/*}" ]] && _dest=$(readlink -f "${_dest%/*}")/${_dest##*/}
 928         ln -sfn $(convert_abs_rel "${_dest}" "${_reallib}") "${initdir}/${_dest}"
 929     else
 930         inst_simple "$_src" "$_dest"
 931     fi
 932
 933     # Create additional symlinks.  See rev_symlinks description.
 934     for _symlink in $(rev_lib_symlinks $_src) $(rev_lib_symlinks $_reallib); do
 935         [[ -e $initdir/$_symlink ]] || {
 936             ddebug "Creating extra symlink: $_symlink"
 937             inst_symlink $_symlink
 938         }
 939     done
 940 }
 941
 942 # find a binary.  If we were not passed the full path directly,
 943 # search in the usual places to find the binary.
 944 find_binary() {
 945     if [[ -z ${1##/*} ]]; then
 946         if [[ -x $1 ]] || { strstr "$1" ".so" && ldd $1 &>/dev/null; };  then
 947             echo $1
 948             return 0
 949         fi
 950     fi
 951
 952     type -P $1
 953 }
 954
 955 # Same as above, but specialized to install binary executables.
 956 # Install binary executable, and all shared library dependencies, if any.
 957 inst_binary() {
 958     local _bin _target
 959     _bin=$(find_binary "$1") || return 1
 960     _target=${2:-$_bin}
 961     [[ -e $initdir/$_target ]] && return 0
 962     [[ -L $_bin ]] && inst_symlink $_bin $_target && return 0
 963     local _file _line
 964     local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
 965     # I love bash!
 966     LC_ALL=C ldd "$_bin" 2>/dev/null | while read _line; do
 967         [[ $_line = 'not a dynamic executable' ]] && break
 968
 969         if [[ $_line =~ $_so_regex ]]; then
 970             _file=${BASH_REMATCH[1]}
 971             [[ -e ${initdir}/$_file ]] && continue
 972             inst_library "$_file"
 973             continue
 974         fi
 975
 976         if [[ $_line =~ not\ found ]]; then
 977             dfatal "Missing a shared library required by $_bin."
 978             dfatal "Run \"ldd $_bin\" to find out what it is."
 979             dfatal "$_line"
 980             dfatal "dracut cannot create an initrd."
 981             exit 1
 982         fi
 983     done
 984     inst_simple "$_bin" "$_target"
 985 }
 986
 987 # same as above, except for shell scripts.
 988 # If your shell script does not start with shebang, it is not a shell script.
 989 inst_script() {
 990     local _bin
 991     _bin=$(find_binary "$1") || return 1
 992     shift
 993     local _line _shebang_regex
 994     read -r -n 80 _line <"$_bin"
 995     # If debug is set, clean unprintable chars to prevent messing up the term
 996     [[ $debug ]] && _line=$(echo -n "$_line" | tr -c -d '[:print:][:space:]')
 997     _shebang_regex='(#! *)(/[^ ]+).*'
 998     [[ $_line =~ $_shebang_regex ]] || return 1
 999     inst "${BASH_REMATCH[2]}" && inst_simple "$_bin" "$@"
1000 }
1001
1002 # same as above, but specialized for symlinks
1003 inst_symlink() {
1004     local _src=$1 _target=${2:-$1} _realsrc
1005     strstr "$1" "/" || return 1
1006     [[ -L $1 ]] || return 1
1007     [[ -L $initdir/$_target ]] && return 0
1008     _realsrc=$(readlink -f "$_src")
1009     if ! [[ -e $initdir/$_realsrc ]]; then
1010         if [[ -d $_realsrc ]]; then
1011             inst_dir "$_realsrc"
1012         else
1013             inst "$_realsrc"
1014         fi
1015     fi
1016     [[ ! -e $initdir/${_target%/*} ]] && inst_dir "${_target%/*}"
1017     [[ -d ${_target%/*} ]] && _target=$(readlink -f ${_target%/*})/${_target##*/}
1018     ln -sfn $(convert_abs_rel "${_target}" "${_realsrc}") "$initdir/$_target"
1019 }
1020
1021 # attempt to install any programs specified in a udev rule
1022 inst_rule_programs() {
1023     local _prog _bin
1024
1025     if grep -qE 'PROGRAM==?"[^ "]+' "$1"; then
1026         for _prog in $(grep -E 'PROGRAM==?"[^ "]+' "$1" | sed -r 's/.*PROGRAM==?"([^ "]+).*/\1/'); do
1027             if [ -x /lib/udev/$_prog ]; then
1028                 _bin=/lib/udev/$_prog
1029             else
1030                 _bin=$(find_binary "$_prog") || {
1031                     dinfo "Skipping program $_prog using in udev rule $(basename $1) as it cannot be found"
1032                     continue;
1033                 }
1034             fi
1035
1036             #dinfo "Installing $_bin due to it's use in the udev rule $(basename $1)"
1037             dracut_install "$_bin"
1038         done
1039     fi
1040 }
1041
1042 # udev rules always get installed in the same place, so
1043 # create a function to install them to make life simpler.
1044 inst_rules() {
1045     local _target=/etc/udev/rules.d _rule _found
1046
1047     inst_dir "/lib/udev/rules.d"
1048     inst_dir "$_target"
1049     for _rule in "$@"; do
1050         if [ "${rule#/}" = "$rule" ]; then
1051             for r in /lib/udev/rules.d /etc/udev/rules.d; do
1052                 if [[ -f $r/$_rule ]]; then
1053                     _found="$r/$_rule"
1054                     inst_simple "$_found"
1055                     inst_rule_programs "$_found"
1056                 fi
1057             done
1058         fi
1059         for r in '' ./ $dracutbasedir/rules.d/; do
1060             if [[ -f ${r}$_rule ]]; then
1061                 _found="${r}$_rule"
1062                 inst_simple "$_found" "$_target/${_found##*/}"
1063                 inst_rule_programs "$_found"
1064             fi
1065         done
1066         [[ $_found ]] || dinfo "Skipping udev rule: $_rule"
1067         _found=
1068     done
1069 }
1070
1071 # general purpose installation function
1072 # Same args as above.
1073 inst() {
1074     local _x
1075
1076     case $# in
1077         1) ;;
1078         2) [[ ! $initdir && -d $2 ]] && export initdir=$2
1079             [[ $initdir = $2 ]] && set $1;;
1080         3) [[ -z $initdir ]] && export initdir=$2
1081             set $1 $3;;
1082         *) dfatal "inst only takes 1 or 2 or 3 arguments"
1083             exit 1;;
1084     esac
1085     for _x in inst_symlink inst_script inst_binary inst_simple; do
1086         $_x "$@" && return 0
1087     done
1088     return 1
1089 }
1090
1091 # install any of listed files
1092 #
1093 # If first argument is '-d' and second some destination path, first accessible
1094 # source is installed into this path, otherwise it will installed in the same
1095 # path as source.  If none of listed files was installed, function return 1.
1096 # On first successful installation it returns with 0 status.
1097 #
1098 # Example:
1099 #
1100 # inst_any -d /bin/foo /bin/bar /bin/baz
1101 #
1102 # Lets assume that /bin/baz exists, so it will be installed as /bin/foo in
1103 # initramfs.
1104 inst_any() {
1105     local to f
1106
1107     [[ $1 = '-d' ]] && to="$2" && shift 2
1108
1109     for f in "$@"; do
1110         if [[ -e $f ]]; then
1111             [[ $to ]] && inst "$f" "$to" && return 0
1112             inst "$f" && return 0
1113         fi
1114     done
1115
1116     return 1
1117 }
1118
1119 # dracut_install [-o ] <file> [<file> ... ]
1120 # Install <file> to the initramfs image
1121 # -o optionally install the <file> and don't fail, if it is not there
1122 dracut_install() {
1123     local _optional=no
1124     if [[ $1 = '-o' ]]; then
1125         _optional=yes
1126         shift
1127     fi
1128     while (($# > 0)); do
1129         if ! inst "$1" ; then
1130             if [[ $_optional = yes ]]; then
1131                 dinfo "Skipping program $1 as it cannot be found and is" \
1132                     "flagged to be optional"
1133             else
1134                 dfatal "Failed to install $1"
1135                 exit 1
1136             fi
1137         fi
1138         shift
1139     done
1140 }
1141
1142 # Install a single kernel module along with any firmware it may require.
1143 # $1 = full path to kernel module to install
1144 install_kmod_with_fw() {
1145     # no need to go further if the module is already installed
1146
1147     [[ -e "${initdir}/lib/modules/$KERNEL_VER/${1##*/lib/modules/$KERNEL_VER/}" ]] \
1148         && return 0
1149
1150     [[ -e "$initdir/.kernelmodseen/${1##*/}" ]] && return 0
1151
1152     if [[ $omit_drivers ]]; then
1153         local _kmod=${1##*/}
1154         _kmod=${_kmod%.ko}
1155         _kmod=${_kmod/-/_}
1156         if [[ "$_kmod" =~ $omit_drivers ]]; then
1157             dinfo "Omitting driver $_kmod"
1158             return 1
1159         fi
1160         if [[ "${1##*/lib/modules/$KERNEL_VER/}" =~ $omit_drivers ]]; then
1161             dinfo "Omitting driver $_kmod"
1162             return 1
1163         fi
1164     fi
1165
1166     [ -d "$initdir/.kernelmodseen" ] && \
1167         > "$initdir/.kernelmodseen/${1##*/}"
1168
1169     inst_simple "$1" "/lib/modules/$KERNEL_VER/${1##*/lib/modules/$KERNEL_VER/}" \
1170         || return $?
1171
1172     local _modname=${1##*/} _fwdir _found _fw
1173     _modname=${_modname%.ko*}
1174     for _fw in $(modinfo -k $KERNEL_VER -F firmware $1 2>/dev/null); do
1175         _found=''
1176         for _fwdir in $fw_dir; do
1177             if [[ -d $_fwdir && -f $_fwdir/$_fw ]]; then
1178                 inst_simple "$_fwdir/$_fw" "/lib/firmware/$_fw"
1179                 _found=yes
1180             fi
1181         done
1182         if [[ $_found != yes ]]; then
1183             if ! grep -qe "\<${_modname//-/_}\>" /proc/modules; then
1184                 dinfo "Possible missing firmware \"${_fw}\" for kernel module" \
1185                     "\"${_modname}.ko\""
1186             else
1187                 dwarn "Possible missing firmware \"${_fw}\" for kernel module" \
1188                     "\"${_modname}.ko\""
1189             fi
1190         fi
1191     done
1192     return 0
1193 }
1194
1195 # Do something with all the dependencies of a kernel module.
1196 # Note that kernel modules depend on themselves using the technique we use
1197 # $1 = function to call for each dependency we find
1198 #      It will be passed the full path to the found kernel module
1199 # $2 = module to get dependencies for
1200 # rest of args = arguments to modprobe
1201 # _fderr specifies FD passed from surrounding scope
1202 for_each_kmod_dep() {
1203     local _func=$1 _kmod=$2 _cmd _modpath _options _found=0
1204     shift 2
1205     modprobe "$@" --ignore-install --show-depends $_kmod 2>&${_fderr} | (
1206         while read _cmd _modpath _options; do
1207             [[ $_cmd = insmod ]] || continue
1208             $_func ${_modpath} || exit $?
1209             _found=1
1210         done
1211         [[ $_found -eq 0 ]] && exit 1
1212         exit 0
1213     )
1214 }
1215
1216 # filter kernel modules to install certain modules that meet specific
1217 # requirements.
1218 # $1 = search only in subdirectory of /kernel/$1
1219 # $2 = function to call with module name to filter.
1220 #      This function will be passed the full path to the module to test.
1221 # The behavior of this function can vary depending on whether $hostonly is set.
1222 # If it is, we will only look at modules that are already in memory.
1223 # If it is not, we will look at all kernel modules
1224 # This function returns the full filenames of modules that match $1
1225 filter_kernel_modules_by_path () (
1226     local _modname _filtercmd
1227     if ! [[ $hostonly ]]; then
1228         _filtercmd='find "$KERNEL_MODS/kernel/$1" "$KERNEL_MODS/extra"'
1229         _filtercmd+=' "$KERNEL_MODS/weak-updates" -name "*.ko" -o -name "*.ko.gz"'
1230         _filtercmd+=' -o -name "*.ko.xz"'
1231         _filtercmd+=' 2>/dev/null'
1232     else
1233         _filtercmd='cut -d " " -f 1 </proc/modules|xargs modinfo -F filename '
1234         _filtercmd+='-k $KERNEL_VER 2>/dev/null'
1235     fi
1236     for _modname in $(eval $_filtercmd); do
1237         case $_modname in
1238             *.ko) "$2" "$_modname" && echo "$_modname";;
1239             *.ko.gz) gzip -dc "$_modname" > $initdir/$$.ko
1240                 $2 $initdir/$$.ko && echo "$_modname"
1241                 rm -f $initdir/$$.ko
1242                 ;;
1243             *.ko.xz) xz -dc "$_modname" > $initdir/$$.ko
1244                 $2 $initdir/$$.ko && echo "$_modname"
1245                 rm -f $initdir/$$.ko
1246                 ;;
1247         esac
1248     done
1249 )
1250 find_kernel_modules_by_path () (
1251     if ! [[ $hostonly ]]; then
1252         find "$KERNEL_MODS/kernel/$1" "$KERNEL_MODS/extra" "$KERNEL_MODS/weak-updates" \
1253           -name "*.ko" -o -name "*.ko.gz" -o -name "*.ko.xz" 2>/dev/null
1254     else
1255         cut -d " " -f 1 </proc/modules \
1256         | xargs modinfo -F filename -k $KERNEL_VER 2>/dev/null
1257     fi
1258 )
1259
1260 filter_kernel_modules () {
1261     filter_kernel_modules_by_path  drivers  "$1"
1262 }
1263
1264 find_kernel_modules () {
1265     find_kernel_modules_by_path  drivers
1266 }
1267
1268 # instmods [-c] <kernel module> [<kernel module> ... ]
1269 # instmods [-c] <kernel subsystem>
1270 # install kernel modules along with all their dependencies.
1271 # <kernel subsystem> can be e.g. "=block" or "=drivers/usb/storage"
1272 instmods() {
1273     [[ $no_kernel = yes ]] && return
1274     # called [sub]functions inherit _fderr
1275     local _fderr=9
1276     local _check=no
1277     if [[ $1 = '-c' ]]; then
1278         _check=yes
1279         shift
1280     fi
1281
1282     function inst1mod() {
1283         local _ret=0 _mod="$1"
1284         case $_mod in
1285             =*)
1286                 if [ -f $KERNEL_MODS/modules.${_mod#=} ]; then
1287                     ( [[ "$_mpargs" ]] && echo $_mpargs
1288                       cat "${KERNEL_MODS}/modules.${_mod#=}" ) \
1289                     | instmods
1290                 else
1291                     ( [[ "$_mpargs" ]] && echo $_mpargs
1292                       find "$KERNEL_MODS" -path "*/${_mod#=}/*" -printf '%f\n' ) \
1293                     | instmods
1294                 fi
1295                 ;;
1296             --*) _mpargs+=" $_mod" ;;
1297             i2o_scsi) return ;; # Do not load this diagnostic-only module
1298             *)
1299                 _mod=${_mod##*/}
1300                 # if we are already installed, skip this module and go on
1301                 # to the next one.
1302                 [[ -f "$initdir/.kernelmodseen/${_mod%.ko}.ko" ]] && return
1303
1304                 if [[ $omit_drivers ]] && [[ "$1" =~ $omit_drivers ]]; then
1305                     dinfo "Omitting driver ${_mod##$KERNEL_MODS}"
1306                     return
1307                 fi
1308                 # If we are building a host-specific initramfs and this
1309                 # module is not already loaded, move on to the next one.
1310                 [[ $hostonly ]] && ! grep -qe "\<${_mod//-/_}\>" /proc/modules \
1311                     && ! echo $add_drivers | grep -qe "\<${_mod}\>" \
1312                     && return
1313
1314                 # We use '-d' option in modprobe only if modules prefix path
1315                 # differs from default '/'.  This allows us to use Dracut with
1316                 # old version of modprobe which doesn't have '-d' option.
1317                 local _moddirname=${KERNEL_MODS%%/lib/modules/*}
1318                 [[ -n ${_moddirname} ]] && _moddirname="-d ${_moddirname}/"
1319
1320                 # ok, load the module, all its dependencies, and any firmware
1321                 # it may require
1322                 for_each_kmod_dep install_kmod_with_fw $_mod \
1323                     --set-version $KERNEL_VER ${_moddirname} $_mpargs
1324                 ((_ret+=$?))
1325                 ;;
1326         esac
1327         return $_ret
1328     }
1329
1330     function instmods_1() {
1331         local _mod _mpargs
1332         if (($# == 0)); then  # filenames from stdin
1333             while read _mod; do
1334                 inst1mod "${_mod%.ko*}" || {
1335                     if [ "$_check" = "yes" ]; then
1336                         dfatal "Failed to install $_mod"
1337                         return 1
1338                     fi
1339                 }
1340             done
1341         fi
1342         while (($# > 0)); do  # filenames as arguments
1343             inst1mod ${1%.ko*} || {
1344                 if [ "$_check" = "yes" ]; then
1345                     dfatal "Failed to install $1"
1346                     return 1
1347                 fi
1348             }
1349             shift
1350         done
1351         return 0
1352     }
1353
1354     local _ret _filter_not_found='FATAL: Module .* not found.'
1355     set -o pipefail
1356     # Capture all stderr from modprobe to _fderr. We could use {var}>...
1357     # redirections, but that would make dracut require bash4 at least.
1358     eval "( instmods_1 \"\$@\" ) ${_fderr}>&1" \
1359     | while read line; do [[ "$line" =~ $_filter_not_found ]] && echo $line || echo $line >&2 ;done | derror
1360     _ret=$?
1361     set +o pipefail
1362     return $_ret
1363 }
1364
1365 # inst_libdir_file [-n <pattern>] <file> [<file>...]
1366 # Install a <file> located on a lib directory to the initramfs image
1367 # -n <pattern> install non-matching files
1368 inst_libdir_file() {
1369     if [[ "$1" == "-n" ]]; then
1370         local _pattern=$1
1371         shift 2
1372         for _dir in $libdirs; do
1373             for _i in "$@"; do
1374                 for _f in "$_dir"/$_i; do
1375                     [[ "$_i" =~ $_pattern ]] || continue
1376                     [[ -e "$_i" ]] && dracut_install "$_i"
1377                 done
1378             done
1379         done
1380     else
1381         for _dir in $libdirs; do
1382             for _i in "$@"; do
1383                 for _f in "$_dir"/$_i; do
1384                     [[ -e "$_f" ]] && dracut_install "$_f"
1385                 done
1386             done
1387         done
1388     fi
1389 }
1390
1391 setup_suse() {
1392     ln -fs ../usr/bin/systemctl $initdir/bin/
1393     ln -fs ../usr/lib/systemd $initdir/lib/
1394     inst_simple "/usr/lib/systemd/system/haveged.service"
1395 }
1396
1397 # can be overridden in specific test
1398 test_cleanup() {
1399     umount $TESTDIR/root 2>/dev/null || true
1400     [[ $LOOPDEV ]] && losetup -d $LOOPDEV || true
1401     return 0
1402 }
1403
1404 test_run() {
1405     if [ -z "$TEST_NO_QEMU" ]; then
1406         if run_qemu; then
1407             check_result_qemu || return 1
1408         else
1409             dwarn "can't run QEMU, skipping"
1410         fi
1411     fi
1412     if [ -z "$TEST_NO_NSPAWN" ]; then
1413         if run_nspawn; then
1414             check_result_nspawn || return 1
1415         else
1416             dwarn "can't run systemd-nspawn, skipping"
1417         fi
1418     fi
1419     return 0
1420 }
1421
1422 do_test() {
1423     if [[ $UID != "0" ]]; then
1424         echo "TEST: $TEST_DESCRIPTION [SKIPPED]: not root" >&2
1425         exit 0
1426     fi
1427
1428 # Detect lib paths
1429     [[ $libdir ]] || for libdir in /lib64 /lib; do
1430         [[ -d $libdir ]] && libdirs+=" $libdir" && break
1431     done
1432
1433     [[ $usrlibdir ]] || for usrlibdir in /usr/lib64 /usr/lib; do
1434         [[ -d $usrlibdir ]] && libdirs+=" $usrlibdir" && break
1435     done
1436
1437     mkdir -p "$STATEDIR"
1438
1439     import_testdir
1440     import_initdir
1441
1442     while (($# > 0)); do
1443         case $1 in
1444             --run)
1445                 echo "TEST RUN: $TEST_DESCRIPTION"
1446                 if test_run; then
1447                     echo "TEST RUN: $TEST_DESCRIPTION [OK]"
1448                 else
1449                     echo "TEST RUN: $TEST_DESCRIPTION [FAILED]"
1450                 fi
1451                 exit $ret;;
1452             --setup)
1453                 echo "TEST SETUP: $TEST_DESCRIPTION"
1454                 test_setup
1455                 ;;
1456             --clean)
1457                 echo "TEST CLEANUP: $TEST_DESCRIPTION"
1458                 test_cleanup
1459                 rm -fr "$TESTDIR"
1460                 rm -f "$STATEFILE"
1461                 ;;
1462             --all)
1463                 ret=0
1464                 echo -n "TEST: $TEST_DESCRIPTION ";
1465                 (
1466                     test_setup && test_run
1467                     ret=$?
1468                     test_cleanup
1469                     rm -fr "$TESTDIR"
1470                     rm -f "$STATEFILE"
1471                     exit $ret
1472                 ) </dev/null >"$TESTLOG" 2>&1 || ret=$?
1473                 if [ $ret -eq 0 ]; then
1474                     rm "$TESTLOG"
1475                     echo "[OK]"
1476                 else
1477                     echo "[FAILED]"
1478                     echo "see $TESTLOG"
1479                 fi
1480                 exit $ret;;
1481             *) break ;;
1482         esac
1483         shift
1484     done
1485 }