mirror of
https://github.com/kevinveenbirkenbach/linux-image-manager.git
synced 2024-11-14 03:21:03 +01:00
New Luks generation draft
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parent
3a250de79e
commit
ed2083943a
@ -22,10 +22,10 @@ echo_partition_name(){
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}
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set_partition_paths(){
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info "Setting partition paths..."
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info "Setting partition and mapper paths..."
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boot_partition_path=$(echo_partition_name "1")
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root_partition_path=$(echo_partition_name "2")
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encrypted_partition_path=$(echo_partition_name "3")
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root_mapper_path=$root_partition_path
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}
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make_mount_folders(){
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@ -47,13 +47,15 @@ make_working_folder(){
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mount_partitions(){
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info "Mount boot and root partition..." &&
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mount -v "$boot_partition_path" "$boot_mount_path" &&
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mount -v "$root_partition_path" "$root_mount_path" &&
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mount -v "$root_mapper_path" "$root_mount_path" &&
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info "The following mounts refering this setup exist:" && mount | grep "$working_folder_path" ||
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error
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}
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destructor(){
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info "Cleaning up..."
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info "Encrypt decrypted root..."
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sudo cryptsetup -v luksClose root | warning "Failed."
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info "Unmounting everything..."
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umount -lv "$chroot_dev_pts_mount_path" || warning "Umounting $chroot_dev_pts_mount_path failed!"
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umount -lv "$chroot_dev_mount_path" || warning "Umounting $chroot_dev_mount_path failed!"
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@ -218,57 +218,66 @@ if [ "$transfer_image" = "y" ]
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if [ "$os" = "arch" ]
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then
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info "Deleting partition tables..." &&
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wipefs -a "$device_path" || error
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if [ "$encrypt_system" == "y" ]
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then
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info "Creating partitions for encrypted system..." &&
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( echo "o" #Type o. This will clear out any partitions on the drive.
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echo "p" #Type p to list partitions. There should be no partitions left
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echo "n" #Type n,
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echo "p" #then p for primary,
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echo "1" #1 for the first partition on the drive,
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echo "" #press ENTER to accept the default first sector,
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echo "+300M" #then type +100M for the last sector.
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echo "t" #Type t,
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echo "c" #then c to set the first partition to type W95 FAT32 (LBA).
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echo "n" #Type n,
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echo "p" #then p for primary,
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echo "2" #2 for the second partition on the drive,
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echo "" #Default start sector
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echo "+3G" #Endsector
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echo "n" #Type n,
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echo "p" #then p for primary,
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echo "3" #2 for the second partition on the drive,
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echo "" #Default start sector
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echo "" #Default end sector
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echo "w" #Write the partition table and exit by typing w.
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)| fdisk "$device_path" || error
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else
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info "Creating partitions..." &&
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( echo "o" #Type o. This will clear out any partitions on the drive.
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echo "p" #Type p to list partitions. There should be no partitions left
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echo "n" #Type n,
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echo "p" #then p for primary,
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echo "1" #1 for the first partition on the drive,
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echo "" #Default start sector
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echo "+100M" #then type +100M for the last sector.
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echo "t" #Type t,
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echo "c" #then c to set the first partition to type W95 FAT32 (LBA).
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echo "n" #Type n,
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echo "p" #then p for primary,
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echo "2" #2 for the second partition on the drive,
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echo "" #Default start sector
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echo "" #Default end sector
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echo "w" #Write the partition table and exit by typing w.
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)| fdisk "$device_path" || error
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fi
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wipefs -a "$device_path" &&
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info "Creating partitions..." &&
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( echo "o" #Type o. This will clear out any partitions on the drive.
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echo "p" #Type p to list partitions. There should be no partitions left
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echo "n" #Type n,
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echo "p" #then p for primary,
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echo "1" #1 for the first partition on the drive,
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echo "" #Default start sector
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echo "+300M" #then type +300M for the last sector.
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echo "t" #Type t,
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echo "c" #then c to set the first partition to type W95 FAT32 (LBA).
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echo "n" #Type n,
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echo "p" #then p for primary,
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echo "2" #2 for the second partition on the drive,
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echo "" #Default start sector
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echo "" #Default end sector
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echo "w" #Write the partition table and exit by typing w.
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)| fdisk "$device_path" || error
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info "Format boot partition..." &&
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mkfs.vfat "$boot_partition_path" || error
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info "Format root partition..." &&
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mkfs.ext4 "$root_partition_path" || error
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if [ "$encrypt_system" == "y" ]
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then
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root_mapper_path="/dev/mapper/root"
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question "Type in encryption password: " && read -r luks_password
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question "Repeat encryption password:" && read -r luks_password_repeat
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if [ "$luks_password" != "$luks_password_repeat" ]
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then
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error "Passwords didn't match."
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fi
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info "Formating $root_partition_path with LUKS..." &&
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echo "$luks_password" | sudo cryptsetup -v luksFormat -c aes-xts-plain64 -s 512 -h sha512 --use-random -i 1000 "$root_partition_path" &&
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info "Decrypting $root_partition_path..." &&
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echo "$luks_password" | sudo cryptsetup -v luksOpen "$root_partition_path" root &&
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info "Setting encryption variables..." &&
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encrypted_partition_uuid=$(blkid "$root_partition_path" -s UUID -o value) &&
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rescue_suffix=".$(date +%s).rescue" &&
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mkinitcpio_path="/etc/mkinitcpio.conf" &&
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mkinitcpio_rescue_path="$mkinitcpio_path$rescue_suffix" &&
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mkinitcpio_search_modules="MODULES=()" &&
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mkinitcpio_replace_modules="MODULES=(g_cdc usb_f_acm usb_f_ecm smsc95xx g_ether)" &&
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mkinitcpio_search_binaries="BINARIES=()" &&
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mkinitcpio_replace_binaries=$(echo "BINARIES=(/usr/lib/libgcc_s.so.1)"| sed -e 's/[\/&]/\\&/g') &&
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mkinitcpio_search_hooks="HOOKS=(base udev autodetect modconf block filesystems keyboard fsck)" &&
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mkinitcpio_replace_hooks="HOOKS=(base udev autodetect modconf block sleep netconf dropbear encryptssh filesystems keyboard fsck)" &&
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fstab_path="/mnt/etc/fstab" &&
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fstab_rescue_path="$fstab_path$rescue_suffix" &&
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crypttab_path="/mnt/etc/crypttab" &&
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crypttab_rescue_path="$crypttab_path$rescue_suffix" &&
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boot_txt_path="/boot/boot.txt" &&
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boot_txt_rescue_path="$boot_txt_path$rescue_suffix" &&
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boot_txt_delete_line=$(echo "part uuid \${devtype} \${devnum}:2 uuid" | sed -e 's/[]\/$*.^[]/\\&/g') &&
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boot_txt_setenv_origin=$(echo "setenv bootargs console=ttyS1,115200 console=tty0 root=PARTUUID=\${uuid} rw rootwait smsc95xx.macaddr=\"\${usbethaddr}\"" | sed -e 's/[]\/$*.^[]/\\&/g') &&
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boot_txt_setenv_replace=$(echo "setenv bootargs console=ttyS1,115200 console=tty0 ip=::::$target_hostname:eth0:dhcp cryptdevice=UUID=$encrypted_partition_uuid:root root=$root_mapper_path rw rootwait smsc95xx.macaddr=\"\${usbethaddr}\""| sed -e 's/[\/&]/\\&/g') ||
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error
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fi
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info "Format root partition..." &&
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mkfs.ext4 "$root_mapper_path" || error
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mount_partitions;
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info "Root files will be transfered to device..." &&
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@ -309,9 +318,9 @@ if mount | grep -q "$boot_partition_path"
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then
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info "$boot_partition_path is allready mounted..."
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else
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if mount | grep -q "$root_partition_path"
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if mount | grep -q "$root_mapper_path"
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then
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info "$root_partition_path is allready mounted..."
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info "$root_mapper_path is allready mounted..."
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else
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mount_partitions
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fi
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@ -418,34 +427,7 @@ fi
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if [ "$encrypt_system" == "y" ]
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then
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# Adapted this instruction for setting up encrypted systems @see https://gist.github.com/gea0/4fc2be0cb7a74d0e7cc4322aed710d38
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# The following variable is neccessary because of a bug @see https://bbs.archlinux.de/viewtopic.php?id=33554
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encrypted_partition_uuid=$(blkid "$encrypted_partition_path" -s UUID -o value)
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rescue_suffix=".$(date +%s).rescue"
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mkinitcpio_path="/etc/mkinitcpio.conf"
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mkinitcpio_rescue_path="$mkinitcpio_path$rescue_suffix"
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mkinitcpio_search_modules="MODULES=()"
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mkinitcpio_replace_modules="MODULES=(g_cdc usb_f_acm usb_f_ecm smsc95xx g_ether)"
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mkinitcpio_search_binaries="BINARIES=()"
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mkinitcpio_replace_binaries=$(echo "BINARIES=(/usr/lib/libgcc_s.so.1)"| sed -e 's/[\/&]/\\&/g')
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mkinitcpio_search_hooks="HOOKS=(base udev autodetect modconf block filesystems keyboard fsck)"
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mkinitcpio_replace_hooks="HOOKS=(base udev autodetect modconf block sleep netconf dropbear encryptssh filesystems keyboard fsck)"
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root_mapper_path="/dev/mapper/root"
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fstab_path="/mnt/etc/fstab"
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fstab_rescue_path="$fstab_path$rescue_suffix"
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crypttab_path="/mnt/etc/crypttab"
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crypttab_rescue_path="$crypttab_path$rescue_suffix"
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boot_txt_path="/boot/boot.txt"
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boot_txt_rescue_path="$boot_txt_path$rescue_suffix"
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boot_txt_delete_line=$(echo "part uuid \${devtype} \${devnum}:2 uuid" | sed -e 's/[]\/$*.^[]/\\&/g')
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boot_txt_setenv_origin=$(echo "setenv bootargs console=ttyS1,115200 console=tty0 root=PARTUUID=\${uuid} rw rootwait smsc95xx.macaddr=\"\${usbethaddr}\"" | sed -e 's/[]\/$*.^[]/\\&/g')
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boot_txt_setenv_replace=$(echo "setenv bootargs console=ttyS1,115200 console=tty0 ip=::::$target_hostname:eth0:dhcp cryptdevice=UUID=$encrypted_partition_uuid:root root=$root_mapper_path rw rootwait smsc95xx.macaddr=\"\${usbethaddr}\""| sed -e 's/[\/&]/\\&/g')
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info "Setup encryption..." &&
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question "Type in encryption password: " && read -r luks_password
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question "Repeat encryption password:" && read -r luks_password_repeat
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if [ "$luks_password" != "$luks_password_repeat" ]
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then
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error "Passwords didn't match."
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fi
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(
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echo "pacman --noconfirm -S --needed $(get_packages "server/luks") &&"
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echo "cp -v /home/$target_username/.ssh/authorized_keys /etc/dropbear/root_key &&"
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@ -456,13 +438,8 @@ if [ "$encrypt_system" == "y" ]
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echo "echo \"Content of $mkinitcpio_path:\$(cat \"$mkinitcpio_path\")\" &&"
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#Concerning mkinitcpio warning @see https://gist.github.com/imrvelj/c65cd5ca7f5505a65e59204f5a3f7a6d
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echo "mkinitcpio -P &&"
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echo "echo '$luks_password' | sudo cryptsetup -v luksFormat -c aes-xts-plain64 -s 512 -h sha512 --use-random -i 1000 $encrypted_partition_path &&"
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echo "echo '$luks_password' | sudo cryptsetup -v luksOpen $encrypted_partition_path root &&"
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echo "mkfs.ext4 $root_mapper_path &&"
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echo "mount $root_mapper_path /mnt &&"
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echo "rsync --info=progress2 -axHAX / /mnt/ &&"
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echo "cp -v $fstab_path $fstab_rescue_path &&"
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echo "echo $root_mapper_path' / ext4 defaults,noatime 0 1' >> $fstab_path &&"
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echo "echo '$root_mapper_path / ext4 defaults,noatime 0 1' >> $fstab_path &&"
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echo "echo \"Content of $fstab_path:\$(cat \"$fstab_path\")\" &&"
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echo "cp -v $crypttab_path $crypttab_rescue_path &&"
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echo "echo 'root UUID=$encrypted_partition_uuid none luks' >> $crypttab_path &&"
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@ -473,9 +450,7 @@ if [ "$encrypt_system" == "y" ]
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echo "sed -i 's/$boot_txt_setenv_origin/$boot_txt_setenv_replace/g' $boot_txt_path &&"
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echo "echo \"Content of $boot_txt_path:\$(cat \"$boot_txt_path\")\" &&"
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echo "cd /boot/ && ./mkscr &&"
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echo "umount $root_mapper_path &&"
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echo "sudo cryptsetup -v luksClose root &&"
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echo "exit || echo 'Error in chroot environment!' echo 'Trying to close decrypted root.'; sudo cryptsetup -v luksClose root"
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echo "exit || echo 'Error in chroot environment!'"
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) | chroot "$root_mount_path" /bin/bash || error
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fi
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