From b4ad021d34975f25f50024e3601354f75593837f Mon Sep 17 00:00:00 2001 From: Harald Hoyer Date: Wed, 29 Jun 2016 11:25:12 +0200 Subject: [PATCH] dracut: only use one tmpdir also remove any partial written initramfs images --- dracut-logger.sh | 3 +-- dracut.sh | 66 +++++++++++++++++++++++++++++++++++++++----------------- 2 files changed, 47 insertions(+), 22 deletions(-) diff --git a/dracut-logger.sh b/dracut-logger.sh index ffa5616..53f7462 100755 --- a/dracut-logger.sh +++ b/dracut-logger.sh @@ -150,8 +150,7 @@ dlog_init() { && type -P systemd-cat &>/dev/null \ && systemctl --quiet is-active systemd-journald.socket &>/dev/null \ && { echo "dracut-$DRACUT_VERSION" | systemd-cat -t 'dracut' &>/dev/null; } ; then - readonly _dlogdir="$(mktemp --tmpdir="$TMPDIR/" -d -t dracut-log.XXXXXX)" - readonly _systemdcatfile="$_dlogdir/systemd-cat" + readonly _systemdcatfile="$DRACUT_TMPDIR/systemd-cat" mkfifo "$_systemdcatfile" readonly _dlogfd=15 systemd-cat -t 'dracut' --level-prefix=true <"$_systemdcatfile" & diff --git a/dracut.sh b/dracut.sh index b85d42d..7897679 100755 --- a/dracut.sh +++ b/dracut.sh @@ -813,24 +813,25 @@ fi [[ $hostonly != "-h" ]] && unset hostonly readonly TMPDIR="$tmpdir" -readonly initdir="$(mktemp --tmpdir="$TMPDIR/" -d -t initramfs.XXXXXX)" -[ -d "$initdir" ] || { - printf "%s\n" "dracut: mktemp --tmpdir=\"$TMPDIR/\" -d -t initramfs.XXXXXX failed." >&2 +readonly DRACUT_TMPDIR="$(mktemp -p "$TMPDIR/" -d -t dracut.XXXXXX)" +[ -d "$DRACUT_TMPDIR" ] || { + printf "%s\n" "dracut: mktemp -p '$TMPDIR/' -d -t dracut.XXXXXX failed." >&2 exit 1 } # clean up after ourselves no matter how we die. trap ' ret=$?; - [[ $keep ]] && echo "Not removing $initdir." >&2 || { [[ $initdir ]] && rm -rf -- "$initdir"; }; - [[ $keep ]] && echo "Not removing $early_cpio_dir." >&2 || { [[ $early_cpio_dir ]] && rm -Rf -- "$early_cpio_dir"; }; - [[ $_dlogdir ]] && rm -Rf -- "$_dlogdir"; + [[ $keep ]] && echo "Not removing $DRACUT_TMPDIR." >&2 || { [[ $DRACUT_TMPDIR ]] && rm -rf -- "$DRACUT_TMPDIR"; }; exit $ret; ' EXIT # clean up after ourselves no matter how we die. trap 'exit 1;' SIGINT +readonly initdir="${DRACUT_TMPDIR}/initramfs" +mkdir "$initdir" + export DRACUT_KERNEL_LAZY="1" export DRACUT_RESOLVE_LAZY="1" @@ -878,20 +879,18 @@ case "$(arch)" in i686|x86_64) ;; *) - early_microcode=no - dinfo "Disabling early microcode for $(arch)" + if [[ $early_microcode = yes ]]; then + early_microcode=no + dinfo "Disabling early microcode for $(arch)" + fi ;; esac if [[ $early_microcode = yes ]] || ( [[ $acpi_override = yes ]] && [[ -d $acpi_table_dir ]] ); then - readonly early_cpio_dir="$(mktemp --tmpdir="$TMPDIR/" -d -t early_cpio.XXXXXX)" - [ -d "$early_cpio_dir" ] || { - printf "%s\n" "dracut: mktemp --tmpdir=\"$TMPDIR/\" -d -t early_cpio.XXXXXX failed." >&2 - exit 1 - } + readonly early_cpio_dir="${DRACUT_TMPDIR}/earlycpio" + mkdir "$early_cpio_dir" fi - if (( ${#drivers_l[@]} )); then drivers='' while pop drivers_l val; do @@ -1485,7 +1484,7 @@ if [[ $do_strip = yes ]] && ! [[ $DRACUT_FIPS_MODE ]]; then fi if [[ $early_microcode = yes ]]; then - dinfo "*** Generating early-microcode cpio image ***" + dinfo "*** Generating early-microcode cpio image contents ***" ucode_dir=(amd-ucode intel-ucode) ucode_dest=(AuthenticAMD.bin GenuineIntel.bin) _dest_dir="$early_cpio_dir/d/kernel/x86/microcode" @@ -1521,6 +1520,9 @@ if [[ $early_microcode = yes ]]; then fi done done + if ! [[ $create_early_cpio = yes ]]; then + dinfo "*** No early-microcode cpio image needed ***" + fi fi if [[ $acpi_override = yes ]] && [[ -d $acpi_table_dir ]]; then @@ -1546,23 +1548,47 @@ dinfo "*** Creating image file ***" [[ "$UID" != 0 ]] && cpio_owner_root="-R 0:0" if [[ $create_early_cpio = yes ]]; then + dinfo "*** Creating microcode section ***" echo 1 > "$early_cpio_dir/d/early_cpio" # The microcode blob is _before_ the initramfs blob, not after - (cd "$early_cpio_dir/d"; find . -print0 | cpio --null $cpio_owner_root -H newc -o --quiet > $outfile) + if ! ( + umask 077 + cd "$early_cpio_dir/d" + find . -print0 | cpio --null $cpio_owner_root -H newc -o --quiet > "${DRACUT_TMPDIR}/initramfs.img" + ); then + dfatal "dracut: creation of $outfile failed" + exit 1 + else + dinfo "*** Created microcode section ***" + fi fi -if ! ( umask 077; cd "$initdir"; find . -print0 | cpio --null $cpio_owner_root -H newc -o --quiet | \ - $compress >> "$outfile"; ); then + +if ! ( + umask 077 + cd "$initdir" + find . -print0 | cpio --null $cpio_owner_root -H newc -o --quiet | \ + $compress >> "${DRACUT_TMPDIR}/initramfs.img"; + ); then dfatal "dracut: creation of $outfile failed" exit 1 fi + dinfo "*** Creating image file done ***" if (( maxloglvl >= 5 )); then if [[ $allowlocal ]]; then - "$dracutbasedir/lsinitrd.sh" "$outfile"| ddebug + "$dracutbasedir/lsinitrd.sh" "${DRACUT_TMPDIR}/initramfs.img" | ddebug else - lsinitrd "$outfile"| ddebug + lsinitrd "${DRACUT_TMPDIR}/initramfs.img" | ddebug fi fi +if cp --reflink=auto "${DRACUT_TMPDIR}/initramfs.img" "$outfile" |& derror ; then + dinfo "*** Creating initramfs image file '$outfile' done ***" +else + rm -f -- "$outfile" + dfatal "dracut: creation of $outfile failed" + exit 1 +fi + exit 0