165 lines
4.6 KiB
Bash
Executable File
165 lines
4.6 KiB
Bash
Executable File
#!/bin/sh
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# $Id$
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#
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# managing our work at the cryptobox
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#
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# development actions:
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# chroot - run first tests in a chroot environment
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# qemu - run the qemu emulation with the uncompressed image
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# qemuz - run the qemu emulation with the compressed image
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# upload - copy your local files to tmpfs on a running cryptobox
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# diff - compare tmpfs-files on a running cryptobox with the original
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# merge - apply the diff to the local copy
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# ssh - open a ssh connection to a running cryptobox
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#
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# problems of this script:
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# - chroot has to run as root
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#
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set -ue
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# include common functions and settings
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source $(dirname $0)/common.sh.inc
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################### some settings #####################
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# qemu network configuration file
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QEMU_IFUP_FILE=$(get_config_file qemu-ifup)
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# to connect to a development cryptobox with ssh
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SSH_CONFIG_FILE=$(get_config_file ssh_config)
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# extract the hostname of the cryptobox from the ssh_config file
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SSH_HOST=$(grep "^Host " "$SSH_CONFIG_FILE" | head -1 | sed 's/^Host *\(.*\)$/\1/')
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# read some cryptobox settings (especially "DEV_FEATURES_SCRIPT")
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if [ -e "$TEMPLATE_DIR/etc/cryptobox/cryptobox.conf" ]
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then source "$TEMPLATE_DIR/etc/cryptobox/cryptobox.conf"
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else echo "cryptobox.conf ($TEMPLATE_DIR/etc/cryptobox/cryptobox.conf) does not exist!" >&2
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fi
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####################### functions ######################
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function qemu_boot()
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# parameter: iso_image_file
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{
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# create a virtual harddisk image file
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if [ ! -e "$HD_IMAGE" ]
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then echo "Creating temporary harddisk image ..."
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dd if=/dev/zero of="$HD_IMAGE" bs=1M count=20
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fi
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echo "Starting qemu ..."
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qemu -cdrom "$1" -m 96 -hda "$IMAGE_FILE" -boot d -n "$QEMU_IFUP_FILE" || true
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# remove iptables rules
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"$QEMU_IFUP_FILE" stop
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}
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function upload2box()
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# upload local files to a development cryptobox
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# this is necessary to use an "old" development cd with
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# new code - this affects only the web-interface and the
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# cbox-manage.sh-script (the boot behaviour stays the same)
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#
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# of course, only the directories that are mapped to tmpfs can
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# be updated this way
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{
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local DIRS="var/www usr/share/cryptobox usr/lib/cryptobox"
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[ -e "$TMP_DIR" ] || mkdir -p "$TMP_DIR"
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for a in $DIRS
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do mkdir -p "$TMP_DIR/$a"
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cp -r "$TEMPLATE_DIR/$a/." "$TMP_DIR/$a"
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done
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find "$TMP_DIR" -type d -name '\.svn' | while read a
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do rm -rf "$a"
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done
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echo "Copying local files to the cryptobox ... "
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if scp -F "$SSH_CONFIG_FILE" -rpq "$TMP_DIR/." cryptobox:/tmp/mirror
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then echo "Set the base for future diffs to current state ..."
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ssh -F "$SSH_CONFIG_FILE" "$SSH_HOST" "$DEV_FEATURES_SCRIPT" set_diff_base
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else echo 'ERROR: copying failed!'
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fi
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rm -rf "$TMP_DIR"
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}
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function merge_from_box()
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# merge a diff from a running development cryptobox into
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# your local copy
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{
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echo "Check for collisions ... (dry-run)"
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if box_diff | patch --dry-run -p1 -d "$TEMPLATE_DIR"
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then echo
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echo "Applying diff ..."
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box_diff | patch -p1 -d "$TEMPLATE_DIR"
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echo
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echo "Set the base for future diffs to current state ..."
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ssh -F "$SSH_CONFIG_FILE" "$SSH_HOST" "$DEV_FEATURES_SCRIPT" set_diff_base
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else echo "Merging will fail - do it manually!"
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fi
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}
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# get the diff of a running cryptobox system between its current state
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# and its original content
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function box_diff()
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{
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ssh -F "$SSH_CONFIG_FILE" "$SSH_HOST" "$DEV_FEATURES_SCRIPT" diff
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}
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############################# main #####################################
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[ $# -eq 0 ] && echo "[`basename $0`] - no arguments supplied - maybe you want to use '--help'"
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ACTION=--help
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[ $# -gt 0 ] && ACTION=$1
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case "$1" in
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diff )
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# get a diff from a running development cryptobox
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box_diff
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;;
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merge )
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merge_from_box
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;;
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upload )
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upload2box
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;;
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chroot )
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# chroot may only be called as root
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[ "$(id -u)" -ne 0 ] && echo "the action 'chroot' may only be called as root!" >&2 && exit 1
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if [ ! -x "$IMAGE_DIR/$CHROOT_START" ]
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then echo "the chroot init script ("$IMAGE_DIR/$CHROOT_START") is not executable"
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echo "maybe you should run '`basename $0` cb-config' first"
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else echo
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echo "##############################################################################"
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echo "# BEWARE: you can severly harm your real harddisk in the chroot environment! #"
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echo "##############################################################################"
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echo
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chroot "$IMAGE_DIR" "$CHROOT_START"
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fi
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;;
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qemu )
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qemu_boot "$IMAGE_FILE"
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;;
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qemuz )
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qemu_boot "$IMAGEZ_FILE"
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;;
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ssh )
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ssh -F "$SSH_CONFIG_FILE" "$SSH_HOST"
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;;
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help|--help )
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echo "Syntax: `basename $0` ( qemu | qemuz | chroot | upload | diff | merge | ssh | help )"
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echo
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;;
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* )
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echo -e "unknown action: $1"
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echo
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$0 help
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exit 1
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;;
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esac
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