260 lines
7.2 KiB
Bash
Executable file
260 lines
7.2 KiB
Bash
Executable file
#!/bin/sh
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#
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# managing our work at the cryptobox
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#
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# usual workflow:
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# dfsbuild - create the image directory with dfsbuild and copy it to
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# the working directory
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# config - apply cryptobox specific changes to the working directory
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# harden - remove unnecessary packages (for release CD)
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# iso - create the iso image (out of the working directory)
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# burn - tries to burn the the image on a cd-rw (maybe it works)
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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
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# devel - enable developer features like sshd, writable templates and
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# the test-suite (can be undone by "revert")
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# revert - reset the working directory to the image created by dfsbuild
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#
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# final action:
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# release - the same as "dfsbuild config iso"
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#
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#
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# problems of this script:
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# - has to run as root, because dfsbuild, config, iso, chroot, devel,
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# revert and release need root privileges
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#
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# you may run this script with multiple arguments, e.g.:
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# cb-build.sh dfsbuild config iso qemu
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#
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# the action "release" does what it says :)
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# (all developer's features like sshd, writable templates and
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# the test-suite are deactivated)
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#
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set -ue
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# dfsbuild config
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CONFIG="dfs.cbox.conf"
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# the build directory (will be ERASED without warning)
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BUILDDIR="_builddir/cd1"
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# image directory created by dfsbuild
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IMAGE_DIR_ORIG="$BUILDDIR/image"
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# a working copy of the image directory
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IMAGE_DIR="$BUILDDIR/image-working"
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# template directory for cryptobox specific configuration
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TEMPLATE_DIR="cryptobox.conf.d"
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# the iso image
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IMAGE_FILE="$BUILDDIR/cryptobox.iso"
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# temporary directory
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TMP_DIR="/tmp/`basename $0`-$$"
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HD_IMAGE="/tmp/`basename $0`-testplatte.img"
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# mkisofs options (the option "-U" is not clean, but it prevents long filenames from getting mapped)
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MKISOFS_OPTIONS="-allow-multidot -U -D -iso-level 3 -b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size 1 -boot-info-table -pad -R"
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CHROOTSTART="/usr/lib/cryptobox/chroot-start.sh"
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CDWRITER="0,0,0"
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LOCALCONF_DIR=local.conf.d
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# for development diffs and merges from a running cryptobox
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SSH_CONFIG_FILE="$LOCALCONF_DIR/ssh-options"
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SSH_HOST=cryptobox
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REMOTE_COMMAND="/usr/lib/cryptobox/devel-features.sh"
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function run_dfsbuild()
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{
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[ ! -e "$BUILDDIR" ] && mkdir -p "$BUILDDIR" && echo "das BuildDir ($BUILDDIR) wurde angelegt ..."
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dfsbuild -c "$CONFIG" -w "$BUILDDIR"
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}
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function create_iso()
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{
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echo "Creating the iso ..."
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mkisofs $MKISOFS_OPTIONS -o "$IMAGE_FILE" "$IMAGE_DIR"
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}
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function qemu_boot()
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{
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# create a virtual harddisk image file
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if [ ! -e "$HD_IMAGE" ]
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then echo "Creating temporary harddisk image ..."
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dd if=/dev/zero of="$HD_IMAGE" bs=1M count=20
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fi
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# create default qemu-ifup
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if [ ! -e "$LOCALCONF_DIR/qemu-ifup" ]
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then [ ! -d "$LOCALCONF_DIR" ] && mkdir "$LOCALCONF_DIR"
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cp "misc/qemu-ifup.default" "$LOCALCONF_DIR/qemu-ifup"
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fi
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echo "Starting qemu ..."
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qemu -cdrom "$IMAGE_FILE" -m 64 -hda "$IMAGE_FILE" -boot d -n "$LOCALCONF_DIR/qemu-ifup" || true
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# remove iptables rules
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"$LOCALCONF_DIR/qemu-ifup" stop
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}
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function init_working_directory()
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{
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cat /proc/mounts | grep -q "`basename $IMAGE_DIR`/proc" && umount "$IMAGE_DIR/proc"
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[ -e "$IMAGE_DIR" ] && echo "Removing old image dir ..." && rm -r "$IMAGE_DIR"
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echo "Copying the dfsbuild-image ..."
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cp -a "$IMAGE_DIR_ORIG" "$IMAGE_DIR"
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}
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function configure_cb()
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{
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if [ ! -e "$IMAGE_DIR" ]; then
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echo -e "Directory \"$IMAGE_DIR\" not found!"
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echo -e "Did you run \"$0 dfsbuild\"?"
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echo -e "Otherwise try \"$0 revert\" to fix this."
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exit
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fi
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echo "Copying files into the box ..."
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[ -e "$TMP_DIR" ] && rm -rf "$TMP_DIR"
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cp -dr "$TEMPLATE_DIR/." "$TMP_DIR"
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rm -rf `find "$TMP_DIR" -type d -name ".svn"`
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cp -dr "$TMP_DIR/." "$IMAGE_DIR"
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rm -rf "$TMP_DIR"
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echo "Configuring the cryptobox ..."
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# "harden" removes /etc/issue ...
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if [ -e "$IMAGE_DIR/etc/issue" ]
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then sed -i "s/^Version:.*/Revision: $(fetch_revision)/" "$IMAGE_DIR/etc/issue"
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else echo "Version:.*/Revision: $(fetch_revision)" >"$IMAGE_DIR/etc/issue"
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fi
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fetch_revision >"$IMAGE_DIR/etc/cryptobox/revision"
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chroot "$IMAGE_DIR" "$CHROOTSTART" /usr/lib/cryptobox/configure-cryptobox.sh normal
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}
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function fetch_revision()
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{
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svn -R info| grep ^Revision| cut -f2 -d " " | sort | tail -1
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}
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function check_ssh_defaults()
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{
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if [ ! -e "$SSH_CONFIG_FILE" ]
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then [ ! -d "$LOCALCONF_DIR" ] && mkdir "$LOCALCONF_DIR"
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cp misc/ssh-options.default "$SSH_CONFIG_FILE"
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fi
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}
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function upload2devel()
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# upload local files to a development cryptobox
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# this is necessary to use an "old" development cd with
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# new code - this affects only the web-interface and the
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# cbox-manage.sh-script (the boot behaviour stays the same)
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#
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# of course, only the directories that are mapped to tmpfs can
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# be updated this way
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{
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check_ssh_defaults
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local DIRS="var/www usr/share/cryptobox usr/lib/cryptobox"
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[ -e "$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 "$a"
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done
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scp -F "$SSH_CONFIG_FILE" -rpq "$TMP_DIR/." cryptobox:/tmp/mirror
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rm -rf "$TMP_DIR"
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ssh -F "$SSH_CONFIG_FILE" $SSH_HOST $REMOTE_COMMAND set_diff_base
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}
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function merge_from_devel()
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# merge a diff from a running development cryptobox into
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# this working directory
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{
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check_ssh_defaults
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echo "Check for collisions ... (dry-run)"
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if ssh -F "$SSH_CONFIG_FILE" $SSH_HOST $REMOTE_COMMAND diff | patch --dry-run -p1 -d "$TEMPLATE_DIR"
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then echo
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echo "Applying diff ..."
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ssh -F "$SSH_CONFIG_FILE" $SSH_HOST $REMOTE_COMMAND diff | patch -p1 -d "$TEMPLATE_DIR"
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# set the base for the next diff to present state
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ssh -F "$SSH_CONFIG_FILE" $SSH_HOST $REMOTE_COMMAND set_diff_base
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else echo "Merging will fail - do it manually!"
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fi
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}
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function blanknburn_cdrw()
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{
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cdrecord -v dev=$CDWRITER blank=fast
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cdrecord -v dev=$CDWRITER $IMAGE_FILE
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}
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################ do it! ######################
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[ $# -eq 0 ] && echo "[`basename $0`] - no arguments supplied - maybe you want to use '--help'"
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while [ $# -gt 0 ]
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do case "$1" in
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dfsbuild )
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run_dfsbuild
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init_working_directory
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;;
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config )
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configure_cb normal
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;;
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iso )
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create_iso
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;;
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qemu )
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qemu_boot
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;;
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revert )
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init_working_directory
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;;
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diff )
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# get a diff from a running development cryptobox
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check_ssh_defaults
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ssh -F "$SSH_CONFIG_FILE" $SSH_HOST $REMOTE_COMMAND diff
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;;
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merge )
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merge_from_devel
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;;
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harden )
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chroot "$IMAGE_DIR" "$CHROOTSTART" /usr/lib/cryptobox/configure-cryptobox.sh secure
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;;
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upload )
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upload2devel
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;;
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chroot )
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if [ ! -x "$IMAGE_DIR/$CHROOTSTART" ]
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then echo "the chroot init script ("$IMAGE_DIR/$CHROOTSTART") is not executable"
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echo "maybe you should run '`basename $0` cb-config' first"
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else chroot "$IMAGE_DIR" "$CHROOTSTART"
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fi
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;;
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burn )
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blanknburn_cdrw
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;;
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release )
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$0 dfsbuild config harden iso
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;;
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help|--help )
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echo "Syntax: `basename $0` ( release | dfsbuild | config | harden | iso | release | qemu | revert | chroot | burn | upload | diff | merge | help )"
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echo " (you may specify more than one action)"
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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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shift
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done
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