99 lines
2.6 KiB
Plaintext
99 lines
2.6 KiB
Plaintext
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#!/bin/bash -e
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# vim: set ts=4 sw=4 sts=4 et :
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#
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# bind-dirs
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# Binds directories which allows changes in TemplateBasedVM to persist.
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#
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# To umount all bind-dirs, just pass any arg in $1, like umount
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#
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# Copyright (C) 2014 - 2015 Jason Mehring <nrgaway@gmail.com>
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# Copyright (C) 2014 - 2015 Patrick Schleizer <adrelanos@riseup.net>
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# License: GPL-2+
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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set -x
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prerequisite() {
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qubes_vm_persistence="$(qubesdb-read /qubes-vm-persistence)"
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if [ ! "$qubes_vm_persistence" = "rw-only" ]; then
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true "No TemplateBasedVM detected. Exiting."
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exit 0
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fi
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}
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init() {
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[ -n "$rw_dest_dir" ] || rw_dest_dir="/rw/bind-dirs"
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mkdir --parents "$rw_dest_dir"
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}
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legacy() {
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if [ -d /rw/srv/qubes-whonix ]; then
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mv /rw/srv/qubes-whonix /rw/bind-dirs || true
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fi
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if [ -d /rw/srv/whonix ]; then
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mv /rw/srv/whonix /rw/bind-dirs || true
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fi
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}
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bind_dirs() {
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## fso: file system object
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## ro: read-only
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## rw: read-write
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for fso_ro in ${binds[@]}; do
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fso_rw="${rw_dest_dir}${fso_ro}"
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# Make sure ro directory is not mounted
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umount "$fso_ro" 2> /dev/null || true
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if [ -n "$1" ]; then
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echo "Umounting $1 only..."
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continue
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fi
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# Initially copy over data directories to /rw if rw directory does not exist
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if [ -d "$fso_ro" ]; then
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if [ ! -d "$fso_rw" ]; then
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cp --archive --parents --recursive "$fso_ro" "$rw_dest_dir"
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fi
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elif [ -f "$fso_ro" ]; then
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if [ ! -f "$fso_rw" ]; then
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cp --archive --recursive "$fso_ro" "$fso_rw"
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fi
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fi
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# Bind the directory
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mount --bind "$fso_rw" "$fso_ro"
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done
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}
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main() {
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prerequisite ${1+"$@"}
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init ${1+"$@"}
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legacy ${1+"$@"}
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bind_dirs ${1+"$@"}
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}
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for folder in /usr/lib/qubes-bind-dirs.d /etc/qubes-bind-dirs.d /rw/config/qubes-bind-dirs.d ; do
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if [ ! -d "$folder" ]; then
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continue
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fi
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for file_name in "$folder/"*".conf" ; do
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bash -n "$file_name"
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source "$file_name"
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done
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done
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main ${1+"$@"}
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