1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
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
|
