rc: add importer script exported from bsdinstaller

src/etc/rc.importer

+#!/bin/sh
+
+# Copyright (c) 2014-2017 Franco Fichtner <franco@opnsense.org>
+# Copyright (c) 2004-2009 Scott Ullrich <sullrich@gmail.com>
+#
+# 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 ``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.
+
+MNT="/tmp/hdrescue"
+
+DEVS=$(camcontrol devlist)
+PART=
+
+while [ -z "${PART}" ]; do
+	echo "${DEVS}"
+	echo
+	read -p "Select a device import from or leave blank to exit: " DEV
+
+	if [ -z "${DEV}" ]; then
+		exit 0
+	elif [ -e "/dev/${DEV}s1a" ]; then
+		# MBR layout found
+		PART="/dev/${DEV}s1a"
+	elif [ -e "/dev/${DEV}p3" ]; then
+		# GPT layout found
+		PART="/dev/${DEV}p3"
+	else
+		echo "No known partition layout was found."
+		echo
+	fi
+done
+
+mkdir -p ${MNT}
+fsck -t ufs -y  ${PART} > /dev/null
+mount ${PART} ${MNT}
+
+if [ -f "${MNT}/conf/config.xml" ]; then
+	rm -rf /conf/*
+	for FILE in config.xml dhcpleases.tgz netflow.tgz rrd.tgz; do
+		if [ -f "${MNT}/conf/${FILE}" ]; then
+			cp "${MNT}/conf/${FILE}" /conf
+			echo "Restored ${FILE}"
+		fi
+	done
+	for DIR in backup sshd; do
+		if [ -d "${MNT}/conf/${DIR}" ]; then
+			cp -r "${MNT}/conf/${DIR}" /conf
+			echo "Restored ${DIR}"
+		else
+			mkdir -p "/conf/${DIR}"
+		fi
+	done
+else
+	echo "No previous configuration was found on this disk."
+fi
+
+umount ${MNT}
+rm -r ${MNT}

src/etc/rc.installer

 #!/bin/sh
 
-#   Copyright 2004-2009 Scott Ullrich
+# Copyright (c) 2014-2017 Franco Fichtner <franco@opnsense.org>
+# Copyright (c) 2004-2009 Scott Ullrich <sullrich@gmail.com>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met: