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#!/bin/bash
#
# Copyright (c) 02005 sense.lab <senselab@systemausfall.org>
#
# License: This script is distributed under the terms of version 2
# of the GNU GPL. See the LICENSE file included with the package.
#
# $Id$
#
# managing our work at the cryptobox
#
# development actions:
# chroot - run first tests in a chroot environment
# qemu - run the qemu emulation with the uncompressed image
# qemuz - run the qemu emulation with the compressed image
# upload - copy your local files to tmpfs on a running cryptobox
# diff - compare tmpfs-files on a running cryptobox with the original
# merge - apply the diff to the local copy
# ssh - open a ssh connection to a running cryptobox
#
# problems of this script:
# - chroot has to run as root
#
# jwc 9/08: started modifications to work with CryptoNAS Live
#Note: It appears to have been a long time since this script was maintained.
#(For example, where *was* $DEV_FEATURES_SCRIPT defined previously?)
#It may work or it may fail.
DEV_FEATURES_SCRIPT="/usr/share/cryptonas-live/devel-features.sh"
set -ue
# include common functions and settings
source $(dirname $0)/common.sh.inc
################### some settings #####################
# to connect to a development cryptobox with ssh
SSH_CONFIG_FILE=$(get_config_file ssh_config)
# extract the hostname of the cryptobox from the ssh_config file
SSH_HOST=$(grep "^Host " "$SSH_CONFIG_FILE" | head -1 | sed 's/^Host *\(.*\)$/\1/')
####################### functions ######################
function qemu_boot()
# parameter: iso_image_file
{
# create a virtual harddisk image file
if [ ! -e "$HD_IMAGE" ]
then echo "Creating temporary harddisk image ..."
dd if=/dev/zero of="$HD_IMAGE" bs=1M count=$HD_IMAGE_SIZE
fi
echo "Starting qemu ..."
qemu -hda "$HD_IMAGE" -cdrom "$1" -boot d -m 96 -net nic -net tap || true
}
function upload2box()
# upload local files to a development cryptobox
# this is necessary to use an "old" development cd with
# new code - this affects only the web-interface and the
# cbox-manage.sh-script (the boot behaviour stays the same)
#
# of course, only the directories that are mapped to tmpfs can
# be updated this way
{
local DIRS="var/www usr/share/cryptobox-server usr/share/cryptonas-live"
echo "Uploading the following dirs: $DIRS "
[ -e "$TMP_DIR" ] || mkdir -p "$TMP_DIR"
for a in $DIRS
do mkdir -p "$TMP_DIR/$a"
cp -r "$TEMPLATE_DIR/$a/." "$TMP_DIR/$a"
done
find "$TMP_DIR" -type d -name '\.svn' | while read a
do rm -rf "$a"
done
echo "Copying local files to the cryptobox ... "
if scp -F "$SSH_CONFIG_FILE" -rpq "$TMP_DIR/." cryptobox:/tmp/mirror
then echo "Set the base for future diffs to current state ..."
ssh -F "$SSH_CONFIG_FILE" "$SSH_HOST" "$DEV_FEATURES_SCRIPT" set_diff_base
else echo 'ERROR: copying failed!'
fi
rm -rf "$TMP_DIR"
}
function merge_from_box()
# merge a diff from a running development cryptobox into
# your local copy
{
echo "Check for collisions ... (dry-run)"
if box_diff | patch --dry-run -p1 -d "$TEMPLATE_DIR"
then echo
echo "Applying diff ..."
box_diff | patch -p1 -d "$TEMPLATE_DIR"
echo
echo "Set the base for future diffs to current state ..."
ssh -F "$SSH_CONFIG_FILE" "$SSH_HOST" "$DEV_FEATURES_SCRIPT" set_diff_base
else echo "Merging will fail - do it manually!"
fi
}
# get the diff of a running cryptobox system between its current state
# and its original content
function box_diff()
{
ssh -F "$SSH_CONFIG_FILE" "$SSH_HOST" "$DEV_FEATURES_SCRIPT" diff
}
############################# main #####################################
[ $# -eq 0 ] && echo "[`basename $0`] - no arguments supplied - maybe you want to use '--help'" && exit 1
ACTION=--help
[ $# -gt 1 ] && ACTION=$1
case "$1" in
diff )
# get a diff from a running development cryptobox
box_diff
;;
merge )
merge_from_box
;;
upload )
upload2box
;;
chroot )
# chroot may only be called as root
[ "$(id -u)" -ne 0 ] && echo "the action 'chroot' may only be called as root!" >&2 && exit 1
echo
echo "##############################################################################"
echo "# BEWARE: you can severly harm your real harddisk in the chroot environment! #"
echo "##############################################################################"
echo
chroot_image
;;
qemu )
qemu_boot "$IMAGE_FILE"
;;
ssh )
ssh -F "$SSH_CONFIG_FILE" "$SSH_HOST"
;;
help|--help )
echo "Syntax: `basename $0` ( qemu | chroot | upload | diff | merge | ssh | help )"
echo
;;
* )
echo -e "unknown action: $1"
echo
$0 help
exit 1
;;
esac