mirror of
https://github.com/systemd/systemd.git
synced 2024-12-23 21:35:11 +03:00
76 lines
2.5 KiB
Bash
Executable File
76 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: LGPL-2.1-or-later
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if [ "$1" = "build" ]; then
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exit 0
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fi
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if [ -n "$SANITIZERS" ]; then
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LD_PRELOAD=$(ldd /usr/lib/systemd/systemd | grep libasan.so | awk '{print $3}')
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mkdir -p /etc/systemd/system.conf.d
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cat >/etc/systemd/system.conf.d/10-asan.conf <<EOF
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[Manager]
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ManagerEnvironment=ASAN_OPTIONS=$MKOSI_ASAN_OPTIONS\\
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UBSAN_OPTIONS=$MKOSI_UBSAN_OPTIONS\\
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LD_PRELOAD=$LD_PRELOAD
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DefaultEnvironment=ASAN_OPTIONS=$MKOSI_ASAN_OPTIONS\\
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UBSAN_OPTIONS=$MKOSI_UBSAN_OPTIONS\\
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LD_PRELOAD=$LD_PRELOAD
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EOF
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# ASAN logs to stderr by default. However, journald's stderr is connected to /dev/null, so we lose
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# all the ASAN logs. To rectify that, let's connect journald's stdout to the console so that any
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# sanitizer failures appear directly on the user's console.
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mkdir -p /etc/systemd/system/systemd-journald.service.d
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cat >/etc/systemd/system/systemd-journald.service.d/10-stdout-tty.conf <<EOF
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[Service]
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StandardOutput=tty
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EOF
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# Both systemd and util-linux's login call vhangup() on /dev/console which disconnects all users.
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# This means systemd-journald can't log to /dev/console even if we configure `StandardOutput=tty`. As
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# a workaround, we modify console-getty.service to disable systemd's vhangup() and disallow login
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# from calling vhangup() so that journald's ASAN logs correctly end up in the console.
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mkdir -p /etc/systemd/system/console-getty.service.d
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cat >/etc/systemd/system/console-getty.service.d/10-no-vhangup.conf <<EOF
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[Service]
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TTYVHangup=no
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CapabilityBoundingSet=~CAP_SYS_TTY_CONFIG
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EOF
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# ASAN and syscall filters aren't compatible with each other.
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find / -name '*.service' -type f -exec sed -i 's/^\(MemoryDeny\|SystemCall\)/# \1/' {} +
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# `systemd-hwdb update` takes > 50s when built with sanitizers so let's not run it by default.
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systemctl mask systemd-hwdb-update.service
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fi
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if [ -n "$IMAGE_ID" ] ; then
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sed -n \
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-i \
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-e '/^IMAGE_ID=/!p' \
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-e "\$aIMAGE_ID=$IMAGE_ID" \
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/usr/lib/os-release
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fi
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if [ -n "$IMAGE_VERSION" ] ; then
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sed -n \
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-i \
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-e '/^IMAGE_VERSION=/!p' \
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-e "\$aIMAGE_VERSION=$IMAGE_VERSION" \
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/usr/lib/os-release
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fi
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if command -v authselect >/dev/null; then
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authselect select minimal
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if authselect list-features minimal | grep -q "with-homed"; then
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authselect enable-feature with-homed
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fi
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fi
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# Let tmpfiles.d/systemd-resolve.conf handle the symlink
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rm -f /etc/resolv.conf
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