131 lines
2.3 KiB
Bash
Executable File
131 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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# lh_binary_encryption(1) - encrypts rootfs
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# Copyright (C) 2006-2007 Daniel Baumann <daniel@debian.org>
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#
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# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
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# This is free software, and you are welcome to redistribute it
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# under certain conditions; see COPYING for details.
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set -e
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# Source common functions
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for FUNCTION in /usr/share/live-helper/functions/*.sh
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do
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. ${FUNCTION}
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done
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# Set static variables
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DESCRIPTION="encrypts rootfs"
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HELP=""
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USAGE="${PROGRAM} [--force]"
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Arguments "${@}"
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Echo_debug "Init ${PROGRAM}"
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# Reading configuration files
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Read_conffile config/bootstrap
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Read_conffile config/chroot
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Read_conffile config/common
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Read_conffile config/image
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Set_defaults
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if [ -z "${LIVE_ENCRYPTION}" ]
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then
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exit 0
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fi
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Breakpoint "binary_encryption: Init"
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# Requiring stage file
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Require_stagefile .stage/bootstrap
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Require_stagefile .stage/binary_rootfs
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# Checking lock file
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Check_lockfile .lock
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# Creating lock file
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Create_lockfile .lock
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# Checking stage file
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Check_stagefile .stage/binary_encryption
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case "${LIVE_FILESYSTEM}" in
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ext2)
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ROOTFS="ext2"
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;;
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plain)
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echo "W: encryption not supported on plain filesystem."
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exit 0
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;;
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squashfs)
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ROOTFS="squashfs"
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;;
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esac
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if [ ! -f chroot/usr/bin/aespipe ]
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then
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PACKAGES="${PACKAGES} aespipe"
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fi
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if [ -n "${PACKAGES}" ]
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then
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# Installing packages
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case "${LH_APT}" in
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apt|apt-get)
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Chroot "apt-get install --yes ${PACKAGES}"
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;;
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aptitude)
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Chroot "aptitude install --assume-yes ${PACKAGES}"
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;;
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esac
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fi
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# Moving image
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mv binary/casper/filesystem.${LIVE_FILESYSTEM} chroot
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echo "Encrypting binary/casper/filesystem.${ROOTFS} with ${LIVE_ENCRYPTION}..."
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cat >> chroot/encrypt << EOF
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while true
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do
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cat filesystem.${ROOTFS} | aespipe -e ${LIVE_ENCRYPTION} -T > filesystem.${ROOTFS} && break
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echo -n "Something went wrong... Retry? [YES/no] "
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read ANSWER
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if [ "no" = "${ANSWER}" ]
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then
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unset ANSWER
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break
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fi
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done
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EOF
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Chroot "sh encrypt"
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# Move image
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mv chroot/filesystem.${LIVE_FILESYSTEM} binary/casper
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rm -f chroot/encrypt
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# Removing packages
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if [ -n "${PACKAGES}" ]
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then
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case "${LH_APT}" in
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apt|apt-get)
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Chroot "apt-get remove --purge --yes ${PACKAGES}"
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;;
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aptitude)
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Chroot "aptitude purge --assume-yes ${PACKAGES}"
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;;
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esac
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fi
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# Creating stage file
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Create_stagefile .stage/binary_encryption
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