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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
commit | 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch) | |
tree | 33f869f55a1b149e9b7c2b7e201867ca5dd52992 /mkosi.images/system/mkosi.postinst.chroot | |
parent | Initial commit. (diff) | |
download | systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip |
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mkosi.images/system/mkosi.postinst.chroot')
-rwxr-xr-x | mkosi.images/system/mkosi.postinst.chroot | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/mkosi.images/system/mkosi.postinst.chroot b/mkosi.images/system/mkosi.postinst.chroot new file mode 100755 index 0000000..0cb9b9c --- /dev/null +++ b/mkosi.images/system/mkosi.postinst.chroot @@ -0,0 +1,93 @@ +#!/bin/sh +# SPDX-License-Identifier: LGPL-2.1-or-later +set -e + +if [ "$1" = "build" ]; then + exit 0 +fi + +if [ -n "$SANITIZERS" ]; then + LD_PRELOAD=$(ldd /usr/lib/systemd/systemd | grep libasan.so | awk '{print $3}') + + mkdir -p /etc/systemd/system.conf.d + + cat >/etc/systemd/system.conf.d/10-asan.conf <<EOF +[Manager] +ManagerEnvironment=ASAN_OPTIONS=$MKOSI_ASAN_OPTIONS\\ + UBSAN_OPTIONS=$MKOSI_UBSAN_OPTIONS\\ + LD_PRELOAD=$LD_PRELOAD +DefaultEnvironment=ASAN_OPTIONS=$MKOSI_ASAN_OPTIONS\\ + UBSAN_OPTIONS=$MKOSI_UBSAN_OPTIONS\\ + LD_PRELOAD=$LD_PRELOAD +EOF + + # ASAN logs to stderr by default. However, journald's stderr is connected to /dev/null, so we lose + # all the ASAN logs. To rectify that, let's connect journald's stdout to the console so that any + # sanitizer failures appear directly on the user's console. + mkdir -p /etc/systemd/system/systemd-journald.service.d + cat >/etc/systemd/system/systemd-journald.service.d/10-stdout-tty.conf <<EOF +[Service] +StandardOutput=tty +EOF + + # Both systemd and util-linux's login call vhangup() on /dev/console which disconnects all users. + # This means systemd-journald can't log to /dev/console even if we configure `StandardOutput=tty`. As + # a workaround, we modify console-getty.service to disable systemd's vhangup() and disallow login + # from calling vhangup() so that journald's ASAN logs correctly end up in the console. + + mkdir -p /etc/systemd/system/console-getty.service.d + cat >/etc/systemd/system/console-getty.service.d/10-no-vhangup.conf <<EOF +[Service] +TTYVHangup=no +CapabilityBoundingSet=~CAP_SYS_TTY_CONFIG +EOF + # ASAN and syscall filters aren't compatible with each other. + find / -name '*.service' -type f -exec sed -i 's/^\(MemoryDeny\|SystemCall\)/# \1/' {} + + + # `systemd-hwdb update` takes > 50s when built with sanitizers so let's not run it by default. + systemctl mask systemd-hwdb-update.service +fi + +if [ -n "$IMAGE_ID" ] ; then + sed -n \ + -i \ + -e '/^IMAGE_ID=/!p' \ + -e "\$aIMAGE_ID=$IMAGE_ID" \ + /usr/lib/os-release +fi + +if [ -n "$IMAGE_VERSION" ] ; then + sed -n \ + -i \ + -e '/^IMAGE_VERSION=/!p' \ + -e "\$aIMAGE_VERSION=$IMAGE_VERSION" \ + /usr/lib/os-release +fi + +if command -v authselect >/dev/null; then + # authselect 1.5.0 renamed the minimal profile to the local profile without keeping backwards compat so + # let's use the new name if it exists. + if [ -d /usr/share/authselect/default/local ]; then + PROFILE=local + else + PROFILE=minimal + fi + + authselect select "$PROFILE" + + if authselect list-features "$PROFILE" | grep -q "with-homed"; then + authselect enable-feature with-homed + fi +fi + +# Let tmpfiles.d/systemd-resolve.conf handle the symlink. /etc/resolv.conf might be mounted over so undo that +# if that's the case. +mountpoint -q /etc/resolv.conf && umount /etc/resolv.conf +rm -f /etc/resolv.conf + +. /usr/lib/os-release + +if [ "$ID" = "centos" ] && [ "$VERSION" = "8" ]; then + alternatives --install /usr/bin/python3 python3 /usr/bin/python3.9 1 + alternatives --set python3 /usr/bin/python3.9 +fi |