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#!/bin/bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -e
# This is a build script for OS image generation using mkosi (https://github.com/systemd/mkosi).
# Simply invoke "mkosi" in the project directory to build an OS image.
# We don't want to install our build of systemd in the base image, but use it as an extra tree for the
# initrd and system images, so override DESTDIR to store it in the output directory so we can reference it as
# an extra tree in the initrd and system image builds.
DESTDIR="$OUTPUTDIR/systemd"
# If mkosi.builddir/ exists mkosi will set $BUILDDIR to it, let's then use it
# as out-of-tree build dir. Otherwise, let's make up our own builddir.
[ -z "$BUILDDIR" ] && BUILDDIR="$PWD"/build
# Let's make sure we're using stuff from the build directory first if available there.
PATH="$BUILDDIR:$PATH"
export PATH
# The bpftool script shipped by Ubuntu tries to find the actual program to run via querying `uname -r` and
# using the current kernel version. This obviously doesn't work in containers. As a workaround, we override
# the ubuntu script with a symlink to the first bpftool program we can find.
for bpftool in /usr/lib/linux-tools/*/bpftool; do
[ -x "$bpftool" ] || continue
ln -sf "$bpftool" "$BUILDDIR"/bpftool
break
done
# CentOS Stream 8 includes bpftool 4.18.0 which is lower than what we need. However, they've backported the
# specific feature we need ("gen skeleton") to this version, so we replace bpftool with a script that reports
# version 5.6.0 to satisfy meson which makes bpf work on CentOS Stream 8 as well.
. /usr/lib/os-release
if [ "$ID" = "centos" ] && [ "$VERSION" = "8" ]; then
cat >"$BUILDDIR"/bpftool <<EOF
#!/bin/sh
if [ "\$1" = --version ]; then
echo 5.6.0
else
exec /usr/sbin/bpftool \$@
fi
EOF
chmod +x "$BUILDDIR"/bpftool
fi
if [ ! -f "$BUILDDIR"/build.ninja ]; then
sysvinit_path=$(realpath /etc/init.d)
if [ "$ID" = "centos" ] && [ "$VERSION" = "8" ]; then
UKIFY="disabled"
else
UKIFY="enabled"
fi
# On Debian 'loadkeys us' fails
if [ "$ID" = "debian" ] || [ "$ID_LIKE" = "debian" ]; then
DEFAULT_KEYMAP=""
else
DEFAULT_KEYMAP="us"
fi
CONFIGURE_OPTS=(
-D sysvinit-path="$sysvinit_path"
-D man=disabled
-D translations=false
-D version-tag="${VERSION_TAG}"
-D mode=developer
-D b_sanitize="${SANITIZERS:-none}"
-D install-tests=true
-D tests=unsafe
-D slow-tests="${SLOW_TESTS:-false}"
-D create-log-dirs=false
-D pamconfdir=no
-D utmp=true
-D hibernate=true
-D ldconfig=true
-D resolve=true
-D efi=true
-D tpm=true
-D environment-d=true
-D binfmt=true
-D repart=enabled
-D sysupdate=enabled
-D coredump=true
-D pstore=true
-D oomd=true
-D logind=true
-D hostnamed=true
-D localed=true
-D machined=true
-D portabled=true
-D sysext=true
-D userdb=true
-D homed=enabled
-D networkd=true
-D timedated=true
-D timesyncd=true
-D remote=enabled
-D nss-myhostname=true
-D nss-mymachines=enabled
-D nss-resolve=enabled
-D nss-systemd=true
-D firstboot=true
-D randomseed=true
-D backlight=true
-D vconsole=true
-D quotacheck=true
-D sysusers=true
-D tmpfiles=true
-D importd=enabled
-D hwdb=true
-D rfkill=true
-D xdg-autostart=true
-D translations=true
-D polkit=enabled
-D acl=enabled
-D audit=enabled
-D blkid=enabled
-D fdisk=enabled
-D kmod=enabled
-D pam=enabled
-D pwquality=enabled
-D microhttpd=enabled
-D libcryptsetup=enabled
-D libcurl=enabled
-D idn=true
-D libidn2=enabled
-D qrencode=enabled
-D gcrypt=enabled
-D gnutls=enabled
-D openssl=enabled
-D cryptolib=openssl
-D p11kit=enabled
-D libfido2=enabled
-D tpm2=enabled
-D elfutils=enabled
-D zstd=enabled
-D xkbcommon=enabled
-D pcre2=enabled
-D glib=enabled
-D dbus=enabled
-D bootloader=enabled
-D kernel-install=true
-D analyze=true
-D bpf-framework=enabled
-D ukify="$UKIFY"
-D seccomp=enabled
-D selinux=auto
-D apparmor=auto
-D smack=true
-D ima=true
-D first-boot-full-preset=true
-D initrd=true
-D fexecve=true
-D default-keymap="$DEFAULT_KEYMAP"
)
# On debian-like systems the library directory is not /usr/lib64 but /usr/lib/<arch-triplet>/.
# It is important to use the right one especially for cryptsetup plugins, otherwise they will be
# installed in the wrong directory and not be found by cryptsetup. Assume native build.
if grep -q -e "ID=debian" -e "ID_LIKE=debian" /usr/lib/os-release && command -v dpkg 2>/dev/null; then
CONFIGURE_OPTS+=(
-D libdir="/usr/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH)"
-D pamlibdir="/usr/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH)/security"
)
fi
# Set various uids and gids for which Fedora has "soft static" allocations.
# Without this, we would get warning about mismatched sysusers.d entries
# between the files that we and Fedora's setup package install.
if grep -q '^ID=fedora' /usr/lib/os-release; then
CONFIGURE_OPTS+=(
-Dadm-gid=4
-Daudio-gid=63
-Dcdrom-gid=11
-Ddialout-gid=18
-Ddisk-gid=6
-Dinput-gid=104
-Dkmem-gid=9
-Dkvm-gid=36
-Dlp-gid=7
-Drender-gid=105
-Dsgx-gid=106
-Dtape-gid=33
-Dtty-gid=5
-Dusers-gid=100
-Dutmp-gid=22
-Dvideo-gid=39
-Dwheel-gid=10
-Dsystemd-journal-gid=190
-Dsystemd-network-uid=192
-Dsystemd-resolve-uid=193
)
fi
( set -x; meson setup "$BUILDDIR" "$SRCDIR" "${CONFIGURE_OPTS[@]}" )
fi
( set -x; ninja -C "$BUILDDIR" "$@" )
if [ "$WITH_TESTS" = 1 ]; then
if [ -n "$SANITIZERS" ]; then
export ASAN_OPTIONS="$MKOSI_ASAN_OPTIONS"
export UBSAN_OPTIONS="$MKOSI_UBSAN_OPTIONS"
TIMEOUT_MULTIPLIER=3
else
TIMEOUT_MULTIPLIER=1
fi
( set -x; meson test -C "$BUILDDIR" --print-errorlogs --timeout-multiplier=$TIMEOUT_MULTIPLIER )
fi
( set -x; meson install -C "$BUILDDIR" --quiet --no-rebuild --only-changed )
# Ensure that side-loaded PE addons are loaded if signed, and ignored if not
if [ -d "${DESTDIR}/boot/loader" ]; then
addons_dir="${DESTDIR}/boot/loader/addons"
elif [ -d "${DESTDIR}/efi/loader" ]; then
addons_dir="${DESTDIR}/efi/loader/addons"
fi
if [ -n "${addons_dir}" ]; then
mkdir -p "${addons_dir}"
ukify --secureboot-private-key mkosi.secure-boot.key --secureboot-certificate mkosi.secure-boot.crt --cmdline this_should_be_here -o "${addons_dir}/good.addon.efi"
ukify --cmdline this_should_not_be_here -o "${addons_dir}/bad.addon.efi"
fi
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