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authorjim-p <jimp@pfsense.org>2017-07-18 11:35:45 -0400
committerjim-p <jimp@pfsense.org>2017-07-18 11:35:45 -0400
commite5aeaeb6a8b46c9532119285630f4e42d0e79b24 (patch)
tree98df2e6fdb1a462619300de6933b3e23eadfb04e /tools
parentee8e4e73e726a618a34bfea5ea3939955beae2b2 (diff)
downloadpfsense-e5aeaeb6a8b46c9532119285630f4e42d0e79b24.zip
pfsense-e5aeaeb6a8b46c9532119285630f4e42d0e79b24.tar.gz
Add installer script to optionally recover config.xml off an existing drive. Implements #7708
Diffstat (limited to 'tools')
-rw-r--r--tools/builder_common.sh4
-rw-r--r--tools/installer/recover_configxml.sh123
2 files changed, 127 insertions, 0 deletions
diff --git a/tools/builder_common.sh b/tools/builder_common.sh
index ee8ae25..b5b504e 100644
--- a/tools/builder_common.sh
+++ b/tools/builder_common.sh
@@ -242,6 +242,10 @@ make_world() {
-d ${INSTALLER_CHROOT_DIR} \
|| print_error_pfS
+ # Copy additional installer scripts
+ install -o root -g wheel -m 0755 ${BUILDER_TOOLS}/installer/*.sh \
+ ${INSTALLER_CHROOT_DIR}/root
+
# XXX set root password since we don't have nullok enabled
pw -R ${INSTALLER_CHROOT_DIR} usermod root -w yes
diff --git a/tools/installer/recover_configxml.sh b/tools/installer/recover_configxml.sh
new file mode 100644
index 0000000..d0603d1
--- /dev/null
+++ b/tools/installer/recover_configxml.sh
@@ -0,0 +1,123 @@
+#!/bin/sh
+#-
+# Copyright (c) 2017 Rubicon Communications, LLC
+# 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.
+#
+# $FreeBSD$
+
+# Recover config.xml
+#
+# in freebsd-src repo, usr.sbin/bsdinstall/scripts/auto
+# - Add line to call file which will copy recovered config.xml
+
+# Create a mount point and a place to store the recovered configuration
+recovery_mount=/tmp/mnt_recovery
+recovery_dir=/tmp/recovered_config
+mkdir -p ${recovery_mount}
+mkdir -p ${recovery_dir}
+
+# Find list of potential target disks, which must be FreeBSD and either UFS or ZFS
+target_disks=`/sbin/gpart show -p | /usr/bin/awk '/(freebsd-ufs|freebsd-zfs)/ {print $3;}'`
+
+target_list=""
+for try_device in ${target_disks} ; do
+ # Add filesystem details (type and size)
+ fs_details="`/sbin/gpart show -p | /usr/bin/grep \"[[:space:]]${try_device}[[:space:]]\" | /usr/bin/awk '{print $4, $5;}'`"
+
+ # Add this disk to the list of potential targets
+ target_list="${target_list} \"${try_device}\" \"${fs_details}\""
+done
+
+# Display a menu with all of the disk choices located above
+if [ -n "${target_list}" ]; then
+ exec 3>&1
+ recover_disk_choice=`echo ${target_list} | xargs dialog --backtitle "pfSense Installer" \
+ --title "Recover config.xml" \
+ --menu "Select the partition containing config.xml" \
+ 0 0 0 2>&1 1>&3` || exit 1
+ exec 3>&-
+else
+ echo "No suitable disk partitions found."
+fi
+
+recover_disk=${recover_disk_choice}
+
+# If the user made a choice, try to recover
+if [ -n "${recover_disk}" ] ; then
+ # Find the filesystem type of the selected partition
+ fs_type="`/sbin/gpart show -p | /usr/bin/grep \"[[:space:]]${recover_disk}[[:space:]]\" | /usr/bin/awk '{print $4;}'`"
+ # Remove "freebsd-", leaving us with either "ufs" or "zfs".
+ fs_type=${fs_type#freebsd-}
+
+ echo "Attempting to recover config.xml from ${recover_disk}."
+ if [ "${fs_type}" == "ufs" ]; then
+ # UFS Recovery, attempt to mount but also attempt cleanup if it fails.
+
+ mount_command="/sbin/mount -t ${fs_type} /dev/${recover_disk} ${recovery_mount}"
+ ${mount_command} 2>/dev/null
+ mount_rc=$?
+ attempts=0
+
+ # Try to run fsck up to 10 times and remount, in case the parition is dirty and needs cleanup
+ while [ ${mount_rc} -ne 0 -a ${attempts} -lt 10 ]; do
+ echo "Unable to mount ${recover_disk}, running a disk check and retrying."
+ /sbin/fsck -y -t ${fs_type} ${recover_disk}
+ ${mount_command} 2>/dev/null
+ mount_rc=$?
+ attempts=$((attempts+1))
+ done
+ if [ ${mount_rc} -ne 0 ]; then
+ echo "Unable to mount ${recover_disk} for config.xml recovery."
+ exit 1
+ fi
+ else
+ # ZFS Recovery works different than UFS, needs special handling
+ if [ "${fs_type}" == "zfs" ]; then
+ # Load KLD for ZFS support
+ /sbin/kldload zfs
+ # Import pool (name=zroot) with alternate mount
+ /sbin/zpool import -R ${recovery_mount} -f zroot
+ # Mount the default root directory of the previous install
+ /sbin/mount -t zfs zroot/ROOT/default ${recovery_mount}
+ fi
+ fi
+
+ # In either FS type case, the previous root is now mounted under ${recovery_mount}, so check for a config
+ if [ -r ${recovery_mount}/cf/conf/config.xml -a -s ${recovery_mount}/cf/conf/config.xml ]; then
+ /bin/cp ${recovery_mount}/cf/conf/config.xml ${recovery_dir}/config.xml
+ echo "Recovered config.xml from ${recover_disk}, stored in ${recovery_dir}."
+ else
+ echo "${recover_disk} does not contain a readable config.xml for recovery."
+ exit 1
+ fi
+
+ # Cleanup. Unmount the disk partition.
+ /sbin/umount ${recovery_mount}
+
+ # ZFS cleanup, export the pool and then unload ZFS KLD.
+ if [ "${fs_type}" == "zfs" ]; then
+ /sbin/zpool export -f zroot
+ /sbin/kldunload zfs
+ fi
+fi
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