83 lines
2.1 KiB
Bash
Executable File
83 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# The Qubes OS Project, http://www.qubes-os.org
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#
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# Copyright (C) 2010 Joanna Rutkowska <joanna@invisiblethingslab.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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#
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#
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# This script can be used to patch the initramfs of the Qubes AppVM
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# It inserts an additional script that is responsible for setting up
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# COW-based root fs and VM private fs
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#
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INITRAMFS=$1
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INITRAMFS_QUBES=$2
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QUBES_COW_SETUP_FILE=$3
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TMP_DIR=`mktemp -d /tmp/qubes-initramfs-patching-XXXXXXX`
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if [ $# != 3 ] ; then
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echo "usage: $0 <original initramfs to patch> <patched initramfs file> <qubes_cow_setup_file>"
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exit 0
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fi
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if [ x$INITRAMFS = x ] ; then
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echo "INITRAMFS missing!"
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exit 1
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fi
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if [ x$INITRAMFS_QUBES = x ] ; then
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echo "INITRAMFS_QUBES missing!"
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exit 1
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fi
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if [ x$QUBES_COW_SETUP_FILE = x ] ; then
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echo "$QUBES_COW_SETUP_FILE missing!"
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exit 1
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fi
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ID=$(id -ur)
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if [ $ID != 0 ] ; then
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echo "This script should be run as root user. Apparently the initramfs files must have root.root owener..."
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exit 1
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fi
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mkdir $TMP_DIR/initramfs.qubes || exit 1
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cp $INITRAMFS $TMP_DIR/initramfs.cpio.gz
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pushd $TMP_DIR/initramfs.qubes
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gunzip < ../initramfs.cpio.gz | cpio -i --quiet || exit 1
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cp $QUBES_COW_SETUP_FILE pre-udev/90_qubes_cow_setup.sh || exit 1
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find ./ | cpio -H newc -o --quiet > $TMP_DIR/initramfs.qubes.cpio || exit 1
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popd
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gzip $TMP_DIR/initramfs.qubes.cpio || exit 1
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mv $TMP_DIR/initramfs.qubes.cpio.gz $INITRAMFS_QUBES || exit 1
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rm -fr $TMP_DIR || exit 1
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