jail

#!/bin/sh
#-
# Copyright (c) 2011 Nathan Whitehorn
# Copyright (c) 2013-2015 Devin Teske
# 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
#
#
############################################################ INCLUDES

BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1

############################################################ GLOBALS

#
# List of environment variables that may be defined by the user, but modified
# during the installation process. They are then restored when restarting this
# script.
#
user_env_vars="BSDINSTALL_DISTSITE DISTRIBUTIONS"

############################################################ FUNCTIONS

# error [$msg]
#
# Display generic error message when a script fails. An optional message
# argument can precede the generic message. User is given the choice of
# restarting the installer or exiting.
#
error() {
	local msg
	if [ -n "$1" ]; then
		msg="$1\n\n"
	fi
	bsddialog --backtitle "$OSNAME Installer" --title "Abort" \
	    --no-label "Exit" --yes-label "Restart" --yesno \
	    "${msg}An installation step has been aborted. Would you like to restart the installation or exit the installer?" 0 0
	if [ $? -ne $BSDDIALOG_OK ]; then
		exit
	else
		environment_restore
		exec $0 $BSDINSTALL_CHROOT
	fi
}

distbase() {
	test ! -d $BSDINSTALL_DISTDIR && mkdir -p $BSDINSTALL_DISTDIR

	if [ ! -f $BSDINSTALL_DISTDIR/MANIFEST -a -z "$BSDINSTALL_DISTSITE" ]; then
		exec 5>&1
		BSDINSTALL_DISTSITE=$(`dirname $0`/mirrorselect 2>&1 1>&5)
		MIRROR_BUTTON=$?
		exec 5>&-
		test $MIRROR_BUTTON -eq 0 || error "No mirror selected"
		export BSDINSTALL_DISTSITE
		fetch -o $BSDINSTALL_DISTDIR/MANIFEST $BSDINSTALL_DISTSITE/MANIFEST || error "Could not download $BSDINSTALL_DISTSITE/MANIFEST"
	fi

	: ${DISTRIBUTIONS="base.txz"}; export DISTRIBUTIONS
	if [ -f $BSDINSTALL_DISTDIR/MANIFEST ]; then
		DISTMENU=$(cut -f 1,5,6 $BSDINSTALL_DISTDIR/MANIFEST | grep -v -e ^kernel -e ^base | sed -E 's/\.txz//g')

		if [ ! "$nonInteractive" == "YES" ]
		then
			exec 5>&1
			EXTRA_DISTS=$(echo $DISTMENU | xargs -o bsddialog \
			    --backtitle "$OSNAME Installer" \
			    --title "Distribution Select" --no-cancel \
			    --separate-output \
			    --checklist "Choose optional system components to install:" \
			    0 0 0 \
			    2>&1 1>&5)
			for dist in $EXTRA_DISTS; do
				export DISTRIBUTIONS="$DISTRIBUTIONS $dist.txz"
			done
		fi
	fi

	FETCH_DISTRIBUTIONS=""
	for dist in $DISTRIBUTIONS; do
		if [ ! -f $BSDINSTALL_DISTDIR/$dist ]; then
			FETCH_DISTRIBUTIONS="$FETCH_DISTRIBUTIONS $dist"
		fi
	done
	FETCH_DISTRIBUTIONS=`echo $FETCH_DISTRIBUTIONS`	# Trim white space

	if [ -n "$FETCH_DISTRIBUTIONS" -a -z "$BSDINSTALL_DISTSITE" ]; then
		exec 5>&1
		BSDINSTALL_DISTSITE=$(`dirname $0`/mirrorselect 2>&1 1>&5)
		MIRROR_BUTTON=$?
		exec 5>&-
		test $MIRROR_BUTTON -eq 0 || error "No mirror selected"
		export BSDINSTALL_DISTSITE
	fi

	if [ ! -z "$FETCH_DISTRIBUTIONS" ]; then
		bsdinstall distfetch || error "Failed to fetch distribution"
	fi

	bsdinstall checksum || error "Distribution checksum failed"
	bsdinstall distextract || error "Distribution extract failed"
}

# environment_restore
#
# Restore a list of environment variables when this script is restarted.
#
environment_restore()
{
	for var in $user_env_vars; do
		eval "if [ -n \"\${ORIG_$var}\" -o -z \"\${ORIG_$var-z}\" ]; then $var=\${ORIG_$var}; else unset $var; fi"
	done
}

# environment_save
#
# Save any user-defined environment variable that may be modified during the
# installation process. They are then restored when restarting this script.
#
environment_save()
{
	for var in $user_env_vars; do
		eval "if [ -n \"\${$var}\" -o -z \"\${$var-z}\" ]; then ORIG_$var=\${$var}; else unset ORIG_$var; fi"
	done
}

############################################################ MAIN

: ${BSDDIALOG_OK=0}

f_dprintf "Began Installation at %s" "$( date )"

if [ -z "$1" ]; then
	error "Directory can not be empty\n\nUsage:\nbsdinstall jail directory"
fi
export BSDINSTALL_CHROOT=$1

environment_save

rm -rf $BSDINSTALL_TMPETC
mkdir $BSDINSTALL_TMPETC
mkdir -p $1 || error "mkdir failed for $1"
rm -f $TMPDIR/bsdinstall-installscript-setup

if [ -n "$SCRIPT" ]; then
	# split script into preamble and setup script at first shebang
	awk 'BEGIN {pathb=ARGV[2]; ARGV[2]=""} /^#!/{b=1} {
	    if (b) print >pathb; else print}' \
	    "$SCRIPT" $TMPDIR/bsdinstall-installscript-setup \
	    >$TMPDIR/bsdinstall-installscript-preamble

	. $TMPDIR/bsdinstall-installscript-preamble
fi

if [ ! "$nonInteractive" == "YES" ]; then
	bsddialog --backtitle "$OSNAME Installer" --title "Select Installation Type" \
	    --yes-label "Distribution Sets" --no-label "Packages" --yesno \
	    "Would you like to install the base system using legacy distribution sets or packages?" 0 0
	if [ $? -eq 1 ]; then
		PKGBASE=yes
	fi
fi

if [ "$PKGBASE" == yes ]; then
	bsdinstall pkgbase --jail || error "Installation of base system packages failed"
else
	distbase
fi

if [ ! "$nonInteractive" == "YES" ]
then
    bsdinstall rootpass || error "Could not set root password"
fi

trap true SIGINT	# This section is optional

if [ ! "$nonInteractive" == "YES" ]
then
bsdinstall services

    bsddialog --backtitle "$OSNAME Installer" --title "Add User Accounts" --yesno \
        "Would you like to add users to the installed system now?" 0 0 && \
        bsdinstall adduser
fi

trap error SIGINT	# SIGINT is bad again
bsdinstall config  || error "Failed to save config"
cp /etc/resolv.conf $1/etc
cp -P /etc/localtime $1/etc
cp /var/db/zoneinfo $1/var/db

# Run post-install script
if [ -f $TMPDIR/bsdinstall-installscript-setup ]; then
	cp $TMPDIR/bsdinstall-installscript-setup \
	    $BSDINSTALL_CHROOT/tmp/installscript
	chmod a+x $BSDINSTALL_CHROOT/tmp/installscript
	mount -t devfs devfs "$BSDINSTALL_CHROOT/dev"
	chroot $BSDINSTALL_CHROOT /tmp/installscript $@ 2>&1
	umount "$BSDINSTALL_CHROOT/dev"
	rm $BSDINSTALL_CHROOT/tmp/installscript
fi

bsdinstall entropy

f_dprintf "Installation Completed at %s" "$(date)"
exit $SUCCESS

################################################################################
# END
################################################################################