Add Encryption to linuxmint-postsetup
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SSH key fingerprint:
SHA256:1TKB8Z257L8EHK8GWNxKgMhD8a+FAR+f+j3nnlcuNVM
1 changed files with 80 additions and 24 deletions
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@ -32,6 +32,7 @@ function show_help() {
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echo ""
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echo "Options:"
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echo "-h, --help Help on this tool."
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echo "-e, --encryption Enable LUKS encryption."
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echo "-s, --swap Enable Swap/Hibernation support."
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echo "-d, --debug Enable DEBUG mode for testing."
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exit 0
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@ -48,7 +49,12 @@ function create_subvolumes() {
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subvols+=("${!SUBVOLS_DEFAULT[@]}")
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${cmd} mount "$RootPart" /mnt
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if [[ "$ENCRYPTION" ]]; then
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${cmd} cryptsetup luksOpen "$RootPart" luksvol
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${cmd} mount -o noatime,space_cache=v2,ssd "/dev/mapper/luksvol" /mnt
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else
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${cmd} mount -o noatime,space_cache=v2,ssd "$RootPart" /mnt
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fi
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if [[ "$BootPart" == "@boot" ]]; then
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${cmd} btrfs subvolume create /mnt/@boot
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@ -62,7 +68,7 @@ function create_subvolumes() {
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for subvol in "${subvols[@]}"
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do
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${cmd} btrfs subvolume create /mnt/"$subvol"
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if [[ -d "/mnt/@/${SUBVOLS_DEFAULT[$subvol]}" || "DEBUG" ]]; then
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if [[ -d "/mnt/@/${SUBVOLS_DEFAULT[$subvol]}" || "$DEBUG" ]]; then
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${cmd} rsync -avhHi --delete-after "/mnt/@/${SUBVOLS_DEFAULT[$subvol]}/" "/mnt/$subvol/"
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fi
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done
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@ -70,6 +76,33 @@ function create_subvolumes() {
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${cmd} umount /mnt
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}
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function unmount_target() {
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local subvol
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if [[ "$DEBUG" ]]; then
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local cmd="echo"
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else
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local cmd=""
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fi
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for subvol in "${!SUBVOLS_DEFAULT[@]}"
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do
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${cmd} umount /target/"${SUBVOLS_DEFAULT[$subvol]}"
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done
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if [[ "$SWAP" ]]; then
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${cmd} umount /target/swap
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fi
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${cmd} umount /target/boot/efi
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${cmd} umount /target/boot
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${cmd} umount /target
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if [[ "$ENCRYPTION" ]]; then
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${cmd} cryptsetup luksClose luksvol
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fi
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}
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function get_hibernate_size() {
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free --giga | awk '/^Mem:/{print $2}'
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}
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@ -87,6 +120,9 @@ function prepare_target() {
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${cmd} mkdir /target
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rootmount="$RootPart"
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if [[ "$ENCRYPTION" ]]; then
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rootmount="/dev/mapper/luksvol"
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fi
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${cmd} mount -o noatime,space_cache=v2,ssd,subvol=@ "$rootmount" /target
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@ -128,18 +164,29 @@ function prepare_target() {
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${cmd} arch-chroot /target update-grub2
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fi
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for subvol in "${!SUBVOLS_DEFAULT[@]}"
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do
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${cmd} umount /target/"${SUBVOLS_DEFAULT[$subvol]}"
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done
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${cmd} apt install -y arch-install-scripts
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if [[ "$DEBUG" ]]; then
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echo "genfstab -U /target > /target/etc/fstab"
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echo
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else
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genfstab -U /target > /target/etc/fstab
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fi
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if [[ "$SWAP" ]]; then
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if [[ "$DEBUG" ]]; then
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echo "echo \"/swap/hibernate.swp none swap defaults 0 0\" >> /target/etc/fstab"
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else
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echo "/swap/hibernate.swp none swap defaults 0 0" >> /target/etc/fstab
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fi
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SwapUUID=$(grep btrfs /target/etc/fstab | head -n1 | cut -f1)
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SwapOffset=$(btrfs inspect-internal map-swapfile -r /target/swap/hibernate.swp)
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${cmd} sed -i "/^GRUB_CMDLINE_LINUX_DEFAULT=/ s/\(\"[^\"]*\)$/ resume=${SwapUUID} resume_offset=${SwapOffset}&/" /target/etc/default/grub
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fi
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if [[ "$ENCRYPTION" ]]; then
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if [[ "$SWAP" ]]; then
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${cmd} umount /target/swap
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fi
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${cmd} umount /target/boot/efi
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${cmd} umount /target/boot
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${cmd} umount /target
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}
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function expert_step() {
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@ -181,6 +228,12 @@ function show_options() {
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echo "Boot Partition: $BootPart"
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echo "EFI Partition: $EFIPart"
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if [[ "$ENCRYPTION" ]]; then
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echo "Encryption: Enabled"
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else
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echo "Encryption: Disabled"
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fi
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if [[ "$SWAP" ]]; then
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echo "Swap: Enabled"
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else
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@ -214,16 +267,14 @@ function install_normal() {
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prepare_target
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echo
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echo "Ready for installation! Run a terminal and start the following:"
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echo "sudo live-installer-expert-mode"
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echo
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echo "Once it's at the expert mode step, re-run this command with --expert"
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echo "Post-Setup Preparations Complete. You can verify things in /target or you can"
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echo "re-run this script with --unmount to unmount and reboot."
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}
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function install_expert() {
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function install_unmount() {
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show_options
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read -rsn1 -p"Expert-Installation: To proceed, press enter to continue." proceed
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read -rsn1 -p"Post-Install Unmount and Reboot: To proceed, press enter to continue." proceed
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echo
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if [[ "$proceed" != "" ]]; then
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@ -233,7 +284,8 @@ function install_expert() {
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echo
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echo "Running Expert-Mode Installation Steps..."
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expert_step
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unmount_target
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reboot
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}
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function install_cleanup() {
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@ -276,6 +328,10 @@ while [[ $# -gt 0 ]]; do
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-h|--help)
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show_help
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;;
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-e|--encryption)
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ENCRYPTION=true
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shift
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;;
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-s|--swap)
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SWAP=true
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shift
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@ -284,8 +340,8 @@ while [[ $# -gt 0 ]]; do
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DEBUG=true
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shift
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;;
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--expert)
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INSTALL_MODE=expert
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--unmount)
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INSTALL_MODE=unmount
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shift
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;;
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--clean)
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@ -316,9 +372,9 @@ else
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fi
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case "$INSTALL_MODE" in
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normal) install_normal;;
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expert) install_expert;;
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clean) install_cleanup;;
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normal) install_normal;;
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unmount) install_unmount;;
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clean) install_cleanup;;
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*)
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echo "Error, unknown installation mode detected."
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exit 3
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