mirror of
https://github.com/suikan4github/kaiten-yaki.git
synced 2025-12-20 02:21:17 -03:00
57 lines
1.8 KiB
Bash
57 lines
1.8 KiB
Bash
#!/bin/bash
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# Varidate whether script is executed as sourced or not
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(return 0 2>/dev/null) && sourced=1 || sourced=0
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if [ $sourced -eq 0 ] ; then
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cat <<HEREDOC 1>&2
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***** ERROR : Must execute as source *****
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Execute as following :
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source 3-post-install.sh
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Installation terminated.
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HEREDOC
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exit # use "exit" instead of "return", if not "sourced" execusion
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fi # "sourced" validation
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## Mount the target file system
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# /target is created by the Ubiquity installer
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mount /dev/mapper/${VGNAME}-${LVROOTNAME} /target
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# And mount other directories
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for n in proc sys dev etc/resolv.conf; do mount --rbind "/$n" "/target/$n"; done
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# Change root and create the keyfile and ramfs image for Linux kernel.
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cat <<HEREDOC | chroot /target /bin/bash
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# Mount the rest of partitions by target /etc/fstab
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mount -a
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# Set up the kernel hook of encryption
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apt install -y cryptsetup-initramfs
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echo "KEYFILE_PATTERN=/etc/luks/*.keyfile" >> /etc/cryptsetup-initramfs/conf-hook
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echo "UMASK=0077" >> /etc/initramfs-tools/initramfs.conf
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# Prepare a key file to embed in to the ramfs.
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mkdir /etc/luks
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dd if=/dev/urandom of=/etc/luks/boot_os.keyfile bs=4096 count=1
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chmod u=rx,go-rwx /etc/luks
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chmod u=r,go-rwx /etc/luks/boot_os.keyfile
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# Add a key to the key file. Use the passphrase in the environment variable.
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printf %s "${PASSPHRASE}" | cryptsetup luksAddKey -d - "${DEV}${CRYPTPARTITION}" /etc/luks/boot_os.keyfile
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# Add the LUKS volume information to /etc/crypttab to decrypt by kernel.
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echo "${CRYPTPARTNAME} UUID=$(blkid -s UUID -o value ${DEV}${CRYPTPARTITION}) /etc/luks/boot_os.keyfile luks,discard" >> /etc/crypttab
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# Finally, update the ramfs initial image with the key file.
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update-initramfs -uk all
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# Leave chroot
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exit
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HEREDOC
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# Finishing message
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cat <<HEREDOC
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3-pro-install.sh : Done. Ready to reboot.
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HEREDOC
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