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b49e4eec | 1 | #!/bin/bash |
70df8302 MT |
2 | ############################################################################### |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
b49e4eec | 5 | # Copyright (C) 2023 IPFire Team <info@ipfire.org> # |
70df8302 MT |
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 | ############################################################################### | |
aa2870e6 | 21 | |
b49e4eec MT |
22 | log() { |
23 | local message="${@}" | |
24 | ||
25 | logger -t "extrahd" "${message}" | |
26 | } | |
27 | ||
28 | extrahd_mount() { | |
29 | local _mountpoint="${1}" | |
30 | ||
31 | local device | |
32 | local filesystem | |
33 | local mountpoint | |
34 | local rest | |
35 | local failed=0 | |
36 | ||
37 | while IFS=';' read -r device filesystem mountpoint rest; do | |
7c9f5f98 AF |
38 | # Filter by UUID or mountpoint |
39 | case "${_mountpoint}" in | |
40 | UUID=*) | |
41 | if [ "${device}" != "${_mountpoint}" ]; then | |
42 | continue | |
43 | fi | |
44 | ;; | |
45 | ||
46 | /*) | |
47 | if [ -n "${_mountpoint}" ] && [ "${mountpoint}" != "${_mountpoint}" ]; then | |
48 | continue | |
49 | fi | |
50 | ;; | |
51 | esac | |
b49e4eec | 52 | |
80eac2b5 MT |
53 | # Check that the mountpoint starts with a slash |
54 | if [ "${mountpoint:0:1}" != "/" ]; then | |
55 | log "Skipping invalid mountpoint: ${mountpoint}" | |
56 | continue | |
57 | fi | |
58 | ||
b49e4eec MT |
59 | # Skip mounting if something is already mounted at the mountpoint |
60 | if mountpoint "${mountpoint}" &>/dev/null; then | |
61 | continue | |
62 | fi | |
63 | ||
64 | # Ensure the mountpoint exists | |
65 | mkdir --parents --mode=777 "${mountpoint}" &>/dev/null | |
66 | ||
67 | if mount --types "${filesystem}" "${device}" "${mountpoint}"; then | |
68 | log "Successfully mounted ${device} to ${mountpoint}" | |
69 | else | |
70 | log "Could not mount ${device} to ${mountpoint}: $?" | |
71 | failed=1 | |
72 | fi | |
73 | done < /var/ipfire/extrahd/devices | |
74 | ||
75 | return ${failed} | |
76 | } | |
77 | ||
78 | extrahd_umount() { | |
79 | local _mountpoint="${1}" | |
80 | ||
81 | local device | |
82 | local filesystem | |
83 | local mountpoint | |
84 | local rest | |
85 | local failed=0 | |
86 | ||
87 | while IFS=';' read -r device filesystem mountpoint rest; do | |
7c9f5f98 AF |
88 | # Filter by UUID or mountpoint |
89 | case "${_mountpoint}" in | |
90 | UUID=*) | |
91 | if [ "${device}" != "${_mountpoint}" ]; then | |
92 | continue | |
93 | fi | |
94 | ;; | |
95 | ||
96 | /*) | |
97 | if [ -n "${_mountpoint}" ] && [ "${mountpoint}" != "${_mountpoint}" ]; then | |
98 | continue | |
99 | fi | |
100 | ;; | |
101 | esac | |
b49e4eec | 102 | |
88513c0e MT |
103 | # Do not try to umount if nothing is mounted |
104 | if ! mountpoint "${mountpoint}" &>/dev/null; then | |
105 | continue | |
106 | fi | |
107 | ||
b49e4eec MT |
108 | # Umount and try lazy umount if failed |
109 | if umount --quiet --recursive "${mountpoint}" || \ | |
110 | umount --quiet --recursive --lazy "${mountpoint}"; then | |
111 | log "Successfully umounted ${device} from ${mountpoint}" | |
112 | else | |
113 | log "Could not umount ${device} from ${mountpoint}: $?" | |
114 | failed=1 | |
115 | fi | |
116 | done < /var/ipfire/extrahd/devices | |
117 | } | |
118 | ||
90147c2c AF |
119 | handle_udev_event() { |
120 | case "${ACTION}" in | |
121 | add) | |
122 | if [ -n "${ID_FS_UUID}" ]; then | |
123 | extrahd_mount "UUID=${ID_FS_UUID}" || return $? | |
124 | fi | |
125 | ;; | |
126 | esac | |
127 | ||
128 | return 0 | |
129 | } | |
130 | ||
b49e4eec | 131 | main() { |
90147c2c AF |
132 | ( echo "$@"; set ) > /tmp/extrahd.$$ |
133 | ||
b49e4eec MT |
134 | local command="${1}" |
135 | shift | |
136 | ||
137 | local rc=0 | |
138 | ||
139 | case "${command}" in | |
140 | mount) | |
141 | extrahd_mount "${@}" || rc="${?}" | |
142 | ;; | |
143 | umount) | |
144 | extrahd_umount "${@}" || rc="${rc}" | |
145 | ;; | |
90147c2c AF |
146 | udev-event) |
147 | handle_udev_event "${@}" || rc="${rc}" | |
148 | ;; | |
b49e4eec MT |
149 | scanhd) |
150 | exec /usr/local/bin/scanhd "${@}" | |
151 | ;; | |
152 | ||
153 | # No command | |
154 | "") | |
155 | echo "${0}: No command given" >&2 | |
156 | rc=2 | |
157 | ;; | |
158 | ||
159 | # Unknown command | |
160 | *) | |
161 | echo "${0}: Unsupported command: ${command}" >&2 | |
162 | rc=2 | |
163 | ;; | |
164 | esac | |
165 | ||
166 | return ${rc} | |
aa2870e6 MT |
167 | } |
168 | ||
b49e4eec MT |
169 | # Call main() |
170 | main "${@}" || exit ${?} |