readme

Cargo.toml

@@ -31,14 +31,3 @@ opt-level = 'z'
 panic = 'abort'
 incremental = false
 overflow-checks = false
-
-[package.metadata.deb]
-depends = "$auto, cryptsetup"
-build-depends = "libclang-dev, libcryptsetup-dev"
-extended-description = "Decrypt your LUKS partition using a FIDO2 compatible authenticator"
-assets = [
-    ["target/release/fido2luks", "usr/bin/", "755"],
-    ["initramfs-tools/keyscript.sh", "/lib/cryptsetup/scripts/fido2luks", "755" ],
-    ["initramfs-tools/hook/fido2luks.sh", "etc/initramfs-tools/hooks/", "755" ],
-    ["initramfs-tools/fido2luks.conf", "etc/", "644"],
-]

dracut/95fido2luks/fido2luks@fido2luks\x2dtest.service

@@ -1,17 +0,0 @@
-[Unit]
-Description="fido2luks setup for /data/home/marvin/Documents/RustProjects/fido2luks/luks2.img"
-After=data-home-marvin-Documents-RustProjects-fido2luks-luks2.img.device cryptsetup-pre.target systemd-journald.socket
-Before=systemd-cryptsetup@fido2luks\x2dtest.service umount.target fido2luks.target
-BindsTo=data-home-marvin-Documents-RustProjects-fido2luks-luks2.img.device
-Conflicts=umount.target
-
-[Service]
-Type=oneshot
-EnvironmentFile="../../fido2luks.conf"
-Restart=on-failure
-RestartSec=3
-RemainAfterExit=yes
-
-ExecStartPre=-/bin/true
-ExecStart=fido2luks open
-ExecStop=/usr/lib/systemd/systemd-cryptsetup detach "fido2luks-test"

dracut/95fido2luks/generator.sh

@@ -1,96 +0,0 @@
-#!/usr/bin/env bash
-# https://www.freedesktop.org/software/systemd/man/systemd.generator.html#Output%20directories
-normal_dir=$1
-early_dir=$2
-late_dir=$3
-CONFIG="${4:-/etc/fido2luks.conf}"
-GENERATOR_NORMAL_DIR=${1:-/run/systemd/system}
-TARGET="fido2luks.target"
-SYSTEMD_CRYPTSETUP="/usr/lib/systemd/systemd-cryptsetup"
-
-error() {
-  printf "$1" 1>&2
-  [ -e /dev/kmsg ] && printf "$1" > /dev/kmsg
-  exit 1
-}
-
-make_service() {
-  local config="$1"
-  local service_dir="${2:-.}"
-  source "$config"
-  if [ -z "$FIDO2LUKS_CREDENTIAL_ID" ] && [ -z "$FIDO2LUKS_USE_TOKEN" ]; then
-    error "Config is missing credential_id"
-  fi
-  if [ -z "$FIDO2LUKS_DEVICE" ]; then
-    error "Config is missing device"
-  fi
-  if [ -z "$FIDO2LUKS_MAPPER_NAME" ]; then
-    error "Config is missing mapper_name"
-  fi
-  #local uuid="$(blkid -o value -s UUID '$FIDO2LUKS_DEVICE')"
-  #if [ $? -ne 0 ]; then
-  #  error "Failed to get UUID for \"%s\"" "$FIDO2LUKS_DEVICE"
-  #fi
-  local escaped_path=$(systemd-escape -p "$FIDO2LUKS_DEVICE")
-  local escaped_name=$(systemd-escape -p "$FIDO2LUKS_MAPPER_NAME")
-  local service_file="$service_dir/fido2luks@$escaped_name.service"
-  local device_unit="$escaped_path.device"
-  local cryptsetup_service="systemd-cryptsetup@$escaped_name.service"
-
-cat > $service_file <<- EOM
-[Unit]
-Description="fido2luks setup for ${FIDO2LUKS_DEVICE}"
-After=${device_unit} cryptsetup-pre.target systemd-journald.socket
-Before=${cryptsetup_service} umount.target ${TARGET}
-BindsTo=$device_unit
-Conflicts=umount.target
-
-[Service]
-Type=oneshot
-Environment=FIDO2LUKS_PASSWORD_HELPER="/usr/bin/systemd-ask-password 'FIDO2 password salt for $FIDO2LUKS_DEVICE'"
-EnvironmentFile="$config"
-Restart=on-failure
-RestartSec=3
-RemainAfterExit=yes
-
-ExecStartPre=-${FIDO2LUKS_BOOT_PRE:-/bin/true}
-ExecStart=fido2luks open
-ExecStop=${SYSTEMD_CRYPTSETUP} detach "${FIDO2LUKS_MAPPER_NAME}"
-EOM
-
- mkdir -p "$service_dir/$cryptsetup_service.d" "$service_dir/$cryptsetup_service.wants"
-
-cat > $service_dir/$cryptsetup_service.d/fido2luks-$escaped_name.conf <<- EOM
-[Unit]
-ConditionPathExists=!/dev/mapper/$FIDO2LUKS_MAPPER_NAME
-EOM
-
-  ln -sf $service_file "$service_dir/$cryptsetup_service.wants/"
-}
-
-service_generator() {
-  local config="$1"
-  if [ ! -e "$config" ]; then
-    printf "Config does not exist" 1>&2;
-    return 1
-  fi
-  source "$config"
-  local escaped_name=$(systemd-escape -p "$FIDO2LUKS_MAPPER_NAME")
-  make_service "$config" $normal_dir
-}
-
-generate_services() {
-  if [ -e "$CONFIG" ]; then
-    service_generator "$CONFIG"
-  fi
-  if [ -e $CONFIG.d ]; then
-    for config in $CONFIG.d/*;  do
-      service_generator "$config"
-    done
-  fi
-}
-if [ ! -z "$PRINT_SERVICE_FILE" ]; then
-  make_service "$1"
-else
-  generate_services
-fi

dracut/95fido2luks/module-setup.sh

@@ -1,41 +0,0 @@
-#!/usr/bin/env bash
-
-check () {
-        if ! dracut_module_included "systemd"; then
-                "fido2luks needs systemd in the initramfs"
-                return 1
-        fi
-        return 255
-}
-
-depends () {
-        echo "systemd crypt"
-        return 0
-}
-
-mirror() {
-  inst_simple "$1" "$1"
-}
-
-install () {
-        set -ex
-        bash -n "$moddir/generator.sh"
-        local tmp=$(mktemp -d -t dracut-fido2luks-XXX)
-        trap "rm -rf $tmp" EXIT
-        $moddir/generator.sh "" "" "$tmp" /etc/fido2luks.conf
-        
-        inst "$moddir/generator.sh" "$systemdutildir/system-generators/fido2luks-generator.sh"
-        mirror "/usr/bin/fido2luks"
-        mirror "/etc/fido2luks.conf"
-        [ -d /etc/fido2luks.conf.d ] && for config in /etc/fido2luks.conf.d/*;  do
-          mirror "$config"
-        done
-        inst "$systemdutildir/systemd-cryptsetup"
-        mkdir -p "$initdir/fido2luks"
-
-        inst "$moddir/fido2luks.target" "$systemdsystemunitdir/fido2luks.target"
-        mkdir -p "$systemdsystemunitdir/fido2luks.target.wants"
-
-        mkdir -p "$systemdsystemunitdir/sysinit.target.wants"
-        ln -sf "$systemdsystemunitdir/fido2luks.target" "$systemdsystemunitdir/sysinit.target.wants/"
-}

dracut/95fido2luks/systemd-cryptsetup@fido2luks\x2dtest.service.d/fido2luks-fido2luks\x2dtest.conf

@@ -1,2 +0,0 @@
-[Unit]
-ConditionPathExists=!/dev/mapper/fido2luks-test

dracut/96luks-2fa/fido2luks.conf

@@ -0,0 +1,3 @@
+FIDO2LUKS_SALT=Ask
+FIDO2LUKS_PASSWORD_HELPER=/usr/bin/systemd-ask-password Please enter second factor for LUKS disk encryption
+

dracut/96luks-2fa/luks-2fa-generator.sh

@@ -0,0 +1,83 @@
+#!/bin/bash
+
+NORMAL_DIR="/run/systemd/system"
+LUKS_2FA_WANTS="/etc/systemd/system/luks-2fa.target.wants"
+
+CRYPTSETUP="/usr/lib/systemd/systemd-cryptsetup"
+FIDO2LUKS="/usr/bin/fido2luks"
+MOUNT=$(command -v mount)
+UMOUNT=$(command -v umount)
+
+TIMEOUT=120
+CON_MSG="Please connect your authenticator"
+
+generate_service () {
+        local credential_id=$1 target_uuid=$2 timeout=$3 sd_dir=${4:-$NORMAL_DIR}
+
+        local sd_target_uuid=$(systemd-escape -p $target_uuid)
+        local target_dev="dev-disk-by\x2duuid-${sd_target_uuid}.device"
+
+        local crypto_target_service="systemd-cryptsetup@luks\x2d${sd_target_uuid}.service"
+        local sd_service="${sd_dir}/luks-2fa@luks\x2d${sd_target_uuid}.service"
+        local fido2luks_args="--bin"
+        if [ ! -z "$timeout" ]; then
+          fido2luks_args="$fido2luks_args --await-dev ${timeout}"
+        fi
+        {
+                printf -- "[Unit]"
+                printf -- "\nDescription=%s" "2fa for luks"
+                printf -- "\nBindsTo=%s" "$target_dev"
+                printf -- "\nAfter=%s cryptsetup-pre.target systemd-journald.socket" "$target_dev"
+                printf -- "\nBefore=%s umount.target luks-2fa.target" "$crypto_target_service"
+                printf -- "\nConflicts=umount.target"
+                printf -- "\nDefaultDependencies=no"
+                [ ! -z "$timeout" ] && printf -- "\nJobTimeoutSec=%s" "$timeout"
+                printf -- "\n\n[Service]"
+                printf -- "\nType=oneshot"
+                printf -- "\nRemainAfterExit=yes"
+                printf -- "\nEnvironmentFile=%s" "/etc/fido2luks.conf"
+                [ ! -z "$credential_id" ] && printf -- "\nEnvironment=FIDO2LUKS_CREDENTIAL_ID='%s'" "$credential_id"
+                printf -- "\nKeyringMode=%s" "shared"
+		            printf -- "\nExecStartPre=-/usr/bin/plymouth display-message --text \"${CON_MSG}\""
+                printf -- "\nExecStart=/bin/bash -c \"${FIDO2LUKS} print-secret $fido2luks_args | ${CRYPTSETUP} attach 'luks-%s' '/dev/disk/by-uuid/%s' '/dev/stdin'\"" "$target_uuid" "$target_uuid"
+                printf -- "\nExecStop=${CRYPTSETUP} detach 'luks-%s'" "$target_uuid"
+        } > "$sd_service"
+
+        mkdir -p "${sd_dir}/${crypto_target_service}.d"
+        {
+                printf -- "[Unit]"
+                printf -- "\nConditionPathExists=!/dev/mapper/luks-%s" "$target_uuid"
+        } > "${sd_dir}/${crypto_target_service}.d/drop-in.conf"
+
+        ln -sf "$sd_service" "${LUKS_2FA_WANTS}/"
+}
+
+parse_cmdline () {
+        local CMDLINE
+        IFS=':' read -ra CMDLINE <<<${1#rd.luks.2fa=}
+
+        local __k_uuid=$2
+        eval $__k_uuid=${CMDLINE[0]#UUID=}
+
+        local __t_uuid=$3
+        eval $__t_uuid=${CMDLINE[1]#UUID=}
+
+        local __t=$4
+        eval $__t=${CMDLINE[2]:-$TIMEOUT}
+
+}
+
+generate_from_cmdline () {
+        local credential_id= target_uuid= timeout=
+
+        for argv in $(cat /proc/cmdline); do
+                case $argv in
+                        rd.luks.2fa=*)
+                                parse_cmdline $argv credential_id target_uuid timeout
+                                generate_service $credential_id $target_uuid $timeout
+                                ;;
+                esac
+        done
+}
+
+generate_from_cmdline

dracut/96luks-2fa/luks-2fa.target

@@ -1,4 +1,4 @@
 [Unit]
-Description=fido2luks target
+Description=2FA with LUKS
 Before=sysinit.target dracut-pre-mount.service
 After=systemd-ask-password-console.path

dracut/96luks-2fa/module-setup.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+check () {
+        if ! dracut_module_included "systemd"; then
+                "luks-2fa needs systemd in the initramfs"
+                return 1
+        fi
+        return 255
+        set -e
+        bash -n "$moddir/luks-2fa-generator.sh"
+}
+
+depends () {
+        echo "systemd"
+        return 0
+}
+
+install () {
+        inst "$moddir/luks-2fa-generator.sh" "/etc/systemd/system-generators/luks-2fa-generator.sh"
+        inst_simple "/usr/bin/fido2luks" "/usr/bin/fido2luks"
+        inst_simple "/etc/fido2luks.conf" "/etc/fido2luks.conf"
+        inst "$systemdutildir/systemd-cryptsetup"
+        mkdir -p "$initdir/luks-2fa"
+
+        inst "$moddir/luks-2fa.target" "/etc/systemd/system/luks-2fa.target"
+        mkdir -p "$initdir/etc/systemd/system/luks-2fa.target.wants"
+        
+        mkdir -p "$initdir/etc/systemd/system/sysinit.target.wants"
+        ln -sf "/etc/systemd/system/luks-2fa.target" "$initdir/etc/systemd/system/sysinit.target.wants/"
+}

dracut/LICENSE

@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
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+
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+these rights or asking you to surrender the rights.  Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
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dracut/Makefile

@@ -1,9 +1,23 @@
-.PHONY: install
+.PHONY: install clean
+
+DRACUT_MODULES_D=/usr/lib/dracut/modules.d
+DRACUT_CONF_D=/etc/dracut.conf.d
+
+MODULE_CONF_D=dracut.conf.d
+MODULE_CONF=luks-2fa.conf
+MODULE_DIR=96luks-2fa
+
+help:
+	@echo make help to show this help
+	@echo make install to install
+	@echo make clean to remove
 
 install:
-	cp -r 95fido2luks /usr/lib/dracut/modules.d/
+	cp ${MODULE_CONF_D}/${MODULE_CONF} ${DRACUT_CONF_D}/
-	cp -r dracut.conf.d/fido2luks.conf /usr/lib/dracut/dracut.conf.d/
+	cp -r ${MODULE_DIR} ${DRACUT_MODULES_D}/
+	cp ${MODULE_DIR}/fido2luks.conf /etc/fido2luks.conf
 	dracut -fv
 clean:
-	rm -r /usr/lib/dracut/modules.d/95fido2luks /usr/lib/dracut/dracut.conf.d/fido2luks.conf
+	rm ${DRACUT_CONF_D}/${MODULE_CONF}
+	rm -r ${DRACUT_MODULES_D}/${MODULE_DIR}
 	dracut -fv

dracut/README.md

@@ -0,0 +1 @@
+Thease scripts originate from https://github.com/raffaeleflorio/luks-2fa-dracut and where adapted to my usecase

dracut/dracut.conf.d/fido2luks.conf

@@ -1 +0,0 @@
-add_dracutmodules+=" fido2luks "

dracut/dracut.conf.d/luks-2fa.conf

@@ -0,0 +1 @@
+add_dracutmodules+=" luks-2fa "

initramfs-tools/Makefile

@@ -1,4 +1,17 @@
-.PHONY: install
+.PHONY: install clean
+
+DRACUT_MODULES_D=/usr/lib/dracut/modules.d
+DRACUT_CONF_D=/etc/dracut.conf.d
+
+MODULE_CONF_D=dracut.conf.d
+MODULE_CONF=luks-2fa.conf
+MODULE_DIR=96luks-2fa
+
+help:
+	@echo make help to show this help
+	@echo make install to install
+	@echo make clean to remove
+
 install:
 	chmod +x hook/fido2luks.sh keyscript.sh
 	cp -f hook/fido2luks.sh /etc/initramfs-tools/hooks/
@@ -6,6 +19,5 @@ install:
 	cp -f keyscript.sh /lib/cryptsetup/scripts/fido2luks
 	update-initramfs -u
 remove:
-	sh -c "grep 'keyscript=fido2luks' -i /etc/crypttab && ( echo 'ERROR: your system is still setup to use fido2luks during boot' && exit 1) || exit 0"
+	rm /etc/initramfs-tools/hooks/fido2luks.sh
-	rm /etc/initramfs-tools/hooks/fido2luks.sh /lib/cryptsetup/scripts/fido2luks
 	update-initramfs -u