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#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
check() {
local _rootdev
# if cryptsetup is not installed, then we cannot support encrypted devices.
type -P cryptsetup >/dev/null || return 1
[[ $hostonly ]] || [[ $mount_needs ]] && {
for fs in "${host_fs_types[@]}"; do
[[ $fs = "crypto_LUKS" ]] && return 0
done
return 255
}
return 0
}
depends() {
echo dm rootfs-block
return 0
}
installkernel() {
instmods dm_crypt =crypto
}
install() {
check_crypt() {
local dev=$1 fs=$2
[[ $fs = "crypto_LUKS" ]] || return 1
ID_FS_UUID=$(udevadm info --query=property --name=$dev \
| while read line; do
[[ ${line#ID_FS_UUID} = $line ]] && continue
eval "$line"
echo $ID_FS_UUID
break
done)
[[ ${ID_FS_UUID} ]] || return 1
if ! [[ $kernel_only ]]; then
echo " rd.luks.uuid=luks-${ID_FS_UUID} " >> "${initdir}/etc/cmdline.d/90crypt.conf"
fi
return 0
}
inst_multiple cryptsetup rmdir readlink umount
inst_script "$moddir"/cryptroot-ask.sh /sbin/cryptroot-ask
inst_script "$moddir"/probe-keydev.sh /sbin/probe-keydev
inst_hook cmdline 10 "$moddir/parse-keydev.sh"
inst_hook cmdline 30 "$moddir/parse-crypt.sh"
if ! dracut_module_included "systemd"; then
inst_hook cleanup 30 "$moddir/crypt-cleanup.sh"
fi
if [[ $hostonly ]] && [[ -f /etc/crypttab ]]; then
# filter /etc/crypttab for the devices we need
while read _mapper _dev _rest; do
[[ $_mapper = \#* ]] && continue
[[ $_dev ]] || continue
[[ $_dev == UUID=* ]] && \
_dev="/dev/disk/by-uuid/${_dev#UUID=}"
for _hdev in "${!host_fs_types[@]}"; do
[[ ${host_fs_types[$_hdev]} == "crypto_LUKS" ]] || continue
if [[ $_hdev -ef $_dev ]] || [[ /dev/block/$_hdev -ef $_dev ]]; then
echo "$_mapper $_dev $_rest"
break
fi
done
done < /etc/crypttab > $initdir/etc/crypttab
else
for_each_host_dev_fs check_crypt
fi
inst_simple "$moddir/crypt-lib.sh" "/lib/dracut-crypt-lib.sh"
inst_multiple -o \
$systemdutildir/system-generators/systemd-cryptsetup-generator \
$systemdutildir/systemd-cryptsetup \
$systemdsystemunitdir/systemd-ask-password-console.path \
$systemdsystemunitdir/systemd-ask-password-console.service \
$systemdsystemunitdir/cryptsetup.target \
$systemdsystemunitdir/sysinit.target.wants/cryptsetup.target \
systemd-ask-password systemd-tty-ask-password-agent
inst_script "$moddir"/crypt-run-generator.sh /sbin/crypt-run-generator
dracut_need_initqueue
}
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