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1 | #!/bin/sh | |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2007-2022 IPFire Team <info@ipfire.org> # | |
6 | # # | |
7 | # This program is free software: you can redistribute it and/or modify # | |
8 | # it under the terms of the GNU General Public License as published by # | |
9 | # the Free Software Foundation, either version 3 of the License, or # | |
10 | # (at your option) any later version. # | |
11 | # # | |
12 | # This program is distributed in the hope that it will be useful, # | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
15 | # GNU General Public License for more details. # | |
16 | # # | |
17 | # You should have received a copy of the GNU General Public License # | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
19 | # # | |
20 | ############################################################################### | |
21 | ||
22 | # FIXME: edit this lines before release | |
23 | IPFVER=2.27 | |
24 | COREVER=$(cat /opt/pakfire/db/core/mine) | |
25 | ||
26 | arch=$(uname -m) | |
27 | ||
28 | case "${arch}" in | |
29 | aarch64|x86_64) | |
30 | ;; | |
31 | *) | |
32 | echo "Arch is not supported" >&2 | |
33 | exit 1 | |
34 | ;; | |
35 | esac | |
36 | ||
37 | URL="https://downloads.ipfire.org/releases/ipfire-2.x/$IPFVER-core$COREVER/" | |
38 | ISO="ipfire-$IPFVER-core$COREVER-$arch.iso" | |
39 | ||
40 | makeiso() { | |
41 | local dir="${1}" | |
42 | local output="${2}" | |
43 | ||
44 | local args= | |
45 | ||
46 | # Add EFI options when EFI image is present | |
47 | if [ -e "${dir}/boot/isolinux/efiboot.img" ]; then | |
48 | args="${args} -eltorito-alt-boot -e boot/isolinux/efiboot.img -no-emul-boot" | |
49 | fi | |
50 | ||
51 | # Compose ISO | |
52 | mkisofs -J -r -V "IPFire ${IPFVER} ${arch}" \ | |
53 | -b boot/isolinux/isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table \ | |
54 | -c boot/isolinux/boot.catalog \ | |
55 | ${args} ${dir} > ${output} | |
56 | ||
57 | # Add DOS paritition table | |
58 | if [ -e "${dir}/boot/isolinux/efiboot.img" ]; then | |
59 | isohybrid --uefi ${output} | |
60 | else | |
61 | isohybrid ${output} | |
62 | fi | |
63 | ||
64 | return 0 | |
65 | } | |
66 | ||
67 | if [ -z $1 ]; then | |
68 | echo usage: $0 backup-file | |
69 | exit | |
70 | fi | |
71 | ||
72 | TS=$1 | |
73 | ||
74 | mkdir -p /var/tmp/backupiso | |
75 | cd /var/tmp/backupiso | |
76 | ||
77 | if [ ! -f ${ISO} ] | |
78 | then | |
79 | echo "Fetching ${URL}${ISO}" | |
80 | wget --quiet -c ${URL}${ISO} | |
81 | fi | |
82 | ||
83 | echo "Fetching ${URL}${ISO}.b2" | |
84 | wget --quiet -O ${ISO}.b2 ${URL}${ISO}.b2 | |
85 | ||
86 | echo "Checking BLAKE2 checksum of ${ISO}" | |
87 | b2sum --status -c ${ISO}.b2 | |
88 | if [ $? -eq 0 ] || [ $? -eq 24 ] | |
89 | then | |
90 | echo "BLAKE2 checksum is OK" | |
91 | else | |
92 | echo "BLAKE2 checksum mismatch" | |
93 | echo "Fetching again ${URL}${ISO}" | |
94 | wget --quiet -O ${ISO} ${URL}${ISO} | |
95 | echo "Checking BLAKE2 checksum of ${ISO} again" | |
96 | b2sum --status -c ${ISO}.b2 | |
97 | if [ $? -eq 0 ] || [ $? -eq 24 ] | |
98 | then | |
99 | echo "BLAKE2 checksum is OK" | |
100 | else | |
101 | echo "BLAKE2 checksum mismatch" | |
102 | echo "aborting backup because BLAKE2 checksum mismatch" | |
103 | exit 1 | |
104 | fi | |
105 | fi | |
106 | rm ${ISO}.b2 | |
107 | ||
108 | echo "Remastering iso" | |
109 | mkdir -p backupiso.tmp.${TS} | |
110 | mount -o loop ${ISO} backupiso.tmp.${TS} | |
111 | cp -pr backupiso.tmp.${TS} backupiso.${TS} | |
112 | umount backupiso.tmp.${TS} | |
113 | rm -r backupiso.tmp.${TS} | |
114 | ||
115 | # Copy backup file to disk | |
116 | cp "/var/ipfire/backup/${TS}.ipf" "backupiso.${TS}/backup.ipf" | |
117 | ||
118 | # Add a version tag | |
119 | touch "backupiso.${TS}/backup-${TS}.media" | |
120 | ||
121 | echo "Running mkisofs" | |
122 | makeiso backupiso.${TS} $(basename ${ISO} .iso)-${TS}.iso | |
123 | ||
124 | echo "Cleaning up" | |
125 | rm -rf backupiso.${TS} |