# $NetBSD: cgdroot.rc,v 1.5 2019/11/22 00:27:30 alnsn Exp $ # # Copyright (c) 2013 Pierre Pronchery # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. PATH=/sbin:/usr/sbin:/bin:/usr/bin export PATH TERM=wsvt25 export TERM HOME=/ export HOME BLOCKSIZE=1k export BLOCKSIZE EDITOR=ed export EDITOR umask 022 # Mount /etc/cgd. etc_cgd_mount= for dev in NAME=cgd.conf /dev/wd0a /dev/ld0a ; do if mount -o ro $dev /etc/cgd 2>/dev/null ; then etc_cgd_mount=$dev break fi done if [ -z "${etc_cgd_mount}" ]; then echo "Could not mount the boot partition" 1>&2 exit 2 fi # Configure cgd device(s). /sbin/wsconsctl -d -w splash.enable=0 > /dev/null 2>&1 cgdconfig -C if [ $? -ne 0 ]; then echo "Could not decrypt the encrypted volume" 1>&2 umount /etc/cgd exit 2 fi # Select candidates for a root mount. root_mounts= if [ -z "${etc_cgd_mount##NAME=*}" ]; then root_mounts="NAME=cgdroot /dev/cgd0a" else root_mounts=/dev/cgd0a fi # Mount the root filesystem. mounted= for dev in ${root_mounts} ; do if mount -o ro $dev /altroot 2>/dev/null ; then mounted=$dev break fi done if [ -z "$mounted" ]; then echo "Could not mount the root partition" 1>&2 cgdconfig -U umount /etc/cgd exit 2 fi # Boot into /altroot. umount /etc/cgd /sbin/wsconsctl -d -w splash.enable=1 > /dev/null 2>&1 sysctl -w init.root=/altroot