busybox mdev and mdevd support
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illiliti
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@ -28,87 +28,97 @@ fi
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tmpdir="$(mktemp -d /tmp/initramfs.XXXXXXXX)"
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kernel="$(uname -r)"
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moddir="/lib/modules"
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binaries="./busybox findfs blkid udevd udevadm mount modprobe umount $binaries"
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binaries="./busybox findfs blkid mount modprobe umount $binaries"
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# structure
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for d in dev var run etc usr/lib usr/bin mnt/root proc root sys; do
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for d in dev tmp var run etc usr/lib usr/bin mnt/root proc root sys; do
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mkdir -p "$tmpdir/$d"
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done
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# symlinks
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( cd "$tmpdir" && {
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ln -s "usr/lib" "lib"
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ln -s "usr/lib" "lib64"
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ln -s "usr/bin" "bin"
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ln -s "usr/bin" "sbin"
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ln -s usr/lib lib
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ln -s usr/lib lib64
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ln -s usr/bin bin
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ln -s usr/bin sbin
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ln -s ../run var/run
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cd "$tmpdir/usr"
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ln -s "bin" "sbin"
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ln -s "lib" "lib64"
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ln -s bin sbin
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ln -s lib lib64
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} )
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# TODO parse fstab | crypttab
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#while [ "$use_fstab" -eq 1 ] && read fs dir type opts; do thing; done < /etc/fstab
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# TODO implement busybox mdev/mdevd
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# install mdev
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#mkdir "$tmpdir/usr/lib/mdev"
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#cp ./mdev/mdev.conf ./mdev/passwd ./mdev/group "$tmpdir/etc"
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#cp ./mdev/usbdev ./mdev/usbdisk_link ./mdev/ide_links "$tmpdir/usr/lib/mdev"
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#chmod +x $tmpdir/usr/lib/mdev/*
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# handle device managers
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if [ "$use_mdevd" = 1 ]; then
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# install mdevd
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binaries="mdevd mdevd-coldplug $binaries"
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mkdir "$tmpdir/lib/mdev"
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cp mdev.conf "$tmpdir/etc"
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cp storage-device "$tmpdir/lib/mdev"
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chmod +x "$tmpdir/lib/mdev/storage-device"
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elif [ "$use_mdev" = 1 ]; then
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# install mdev
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mkdir "$tmpdir/lib/mdev"
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cp mdev.conf "$tmpdir/etc"
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cp storage-device "$tmpdir/lib/mdev"
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chmod +x "$tmpdir/lib/mdev/storage-device"
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elif [ "$use_udev" = 1 ]; then
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# install udev
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binaries="udevd udevadm dmsetup $binaries"
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find /usr/lib/udev -type f | grep -v "rc_keymaps\|hwdb.d" | cpio -pd "$tmpdir"
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fi
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# install udev
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find "/usr/lib/udev" -type f | grep -v "rc_keymaps\|hwdb.d" | cpio -pd "$tmpdir"
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cat <<EOF > "$tmpdir/etc/group"
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root:x:0:
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tty:x:5:
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dialout:x:11:
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uucp:x:14:
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kmem:x:3:
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input:x:25:
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video:x:13:
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audio:x:12:
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lp:x:10:
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disk:x:9:
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cdrom:x:16:
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tape:x:6:
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kvm:x:24:
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floppy:x:8:
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EOF
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#cat <<EOF > "$tmpdir/etc/group"
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#root:x:0:
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#tty:x:5:
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#dialout:x:11:
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#kmem:x:3:
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#input:x:25:
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#video:x:13:
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#audio:x:12:
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#lp:x:10:
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#disk:x:9:
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#cdrom:x:16:
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#tape:x:6:
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#kvm:x:24:
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#floppy:x:8:
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#EOF
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#cat <<EOF > "$tmpdir/etc/passwd"
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#root:x:0:0::/root:/bin/sh
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#nobody:x:99:99::/dev/null:/bin/false
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#EOF
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cat <<EOF > "$tmpdir/etc/passwd"
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root:x:0:0::/root:/bin/sh
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nobody:x:99:99::/:/bin/false
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EOF
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# handle lvm
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if [ "$use_lvm" = 1 ] && [ -x "$(command -v lvm)" ]; then
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binaries="lvm dmsetup $binaries"
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mkdir "$tmpdir/etc/lvm"
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binaries="lvm $binaries"
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#mkdir "$tmpdir/etc/lvm"
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# avoid lvmetad warning message
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echo "use_lvmetad = 0" >> "$tmpdir/etc/lvm/lvm.conf"
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if [ "$lvm_discard" = 1 ]; then
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echo "issue_discards = 1" >> "$tmpdir/etc/lvm/lvm.conf"
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fi
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# use_lvmetad = 0 - avoid lvmetad missing warning message
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#cat <<EOF > "$tmpdir/etc/lvm/lvmlocal.conf"
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#local {
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# issue_discards = ${lvm_discard:-0}
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# use_lvmetad = 0
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#}
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#EOF
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# TODO implement use_lvmconf
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fi
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# handle luks
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if [ "$use_luks" = 1 ] && [ -x "$(command -v cryptsetup)" ]; then
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binaries="cryptsetup dmsetup $binaries"
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binaries="cryptsetup $binaries"
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# avoid locking directory missing warning message
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mkdir "$tmpdir/run/cryptsetup"
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# TODO get rid of this workaround
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# workaround for luks2
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cp "$(readlink -f libgcc_s.so.1)" "$tmpdir/usr/lib"
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cp -a /usr/lib/libgcc_s.so.1 "$tmpdir/usr/lib"
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cp /usr/lib/libgcc_s.so.1 "$tmpdir/usr/lib"
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if [ "$luks_discard" = 1 ]; then
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luks_args="--allow-discards $luks_args"
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fi
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[ "$luks_discard" = 1 ] && luks_args="--allow-discards $luks_args"
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# TODO detached header
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# TODO keyfile
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@ -158,10 +168,13 @@ for b in $(echo $binaries); do
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# check symlink
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if [ -h "$l" ]; then
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# check lib already existence
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if [ ! -e "$tmpdir/usr/lib/${l##*/}" ] && [ ! -e "$tmpdir/usr/lib/$(readlink $l)" ]; then
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if [ ! -e "$tmpdir/usr/lib/${l##*/}" ] && [ ! -e "$tmpdir$(readlink -f $l)" ]; then
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# regular
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cp "$(readlink -f $l)" "$tmpdir/usr/lib"
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strip -s "$tmpdir/usr/lib/$(readlink $l)"
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strip -s "$tmpdir$(readlink -f $l)"
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# TODO handle all symlinks
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# symlink may link to symlink
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[ -h "/usr/lib/$(readlink $l)" ] && cp -a "/usr/lib/$(readlink $l)" "$tmpdir/usr/lib"
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# symlink
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cp -a "$l" "$tmpdir/usr/lib"
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fi
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@ -183,14 +196,15 @@ cat <<EOF > "$tmpdir/config"
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root="$root"
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root_type="$root_type"
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root_args="$root_args"
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use_mdevd="$use_mdevd"
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use_mdev="$use_mdev"
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use_udev="$use_udev"
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#drivers="$drivers"
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use_lvm="$use_lvm"
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lvm_discard="$lvm_discard"
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use_luks="$use_luks"
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luks_root="$luks_root"
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luks_header="$luks_header"
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luks_keyfile="$luks_keyfile"
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luks_discard="$luks_discard"
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luks_args="$luks_args"
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EOF
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