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[FreeBSD/releng/10.2.git] / usr.sbin / bsdconfig / share / media / cdrom.subr
1 if [ ! "$_MEDIA_CDROM_SUBR" ]; then _MEDIA_CDROM_SUBR=1
2 #
3 # Copyright (c) 2012-2013 Devin Teske
4 # All rights reserved.
5 #
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
8 # are met:
9 # 1. Redistributions of source code must retain the above copyright
10 #    notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 #    notice, this list of conditions and the following disclaimer in the
13 #    documentation and/or other materials provided with the distribution.
14 #
15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 # SUCH DAMAGE.
26 #
27 # $FreeBSD$
28 #
29 ############################################################ INCLUDES
30
31 BSDCFG_SHARE="/usr/share/bsdconfig"
32 . $BSDCFG_SHARE/common.subr || exit 1
33 f_dprintf "%s: loading includes..." media/cdrom.subr
34 f_include $BSDCFG_SHARE/device.subr
35 f_include $BSDCFG_SHARE/dialog.subr
36 f_include $BSDCFG_SHARE/media/common.subr
37 f_include $BSDCFG_SHARE/struct.subr
38 f_include $BSDCFG_SHARE/variable.subr
39
40 BSDCFG_LIBE="/usr/libexec/bsdconfig"
41 f_include_lang $BSDCFG_LIBE/include/messages.subr
42
43 ############################################################ GLOBALS
44
45 CDROM_MOUNTED=
46 CDROM_PREVIOUSLY_MOUNTED=
47 CDROM_INIT_QUIET=
48
49 ############################################################ FUNCTIONS
50
51 # f_media_set_cdrom
52 #
53 # Return success if we both found and set the media type to be a CD.
54 #
55 f_media_set_cdrom()
56 {
57         f_media_close
58
59         local devs ndevs
60         f_device_find "" $DEVICE_TYPE_CDROM devs
61         f_count ndevs $devs
62
63         if [ ${ndevs:=0} -eq 0 ]; then
64                 f_interactive && f_show_msg "$msg_no_cd_dvd_devices_found"
65                 return $FAILURE
66         elif [ $ndevs -eq 1 ]; then
67                 f_struct_copy $devs device_media
68         else
69                 local dev
70                 local title="$msg_choose_a_cd_dvd_type"
71                 local prompt="$msg_please_select_a_cd_dvd_drive"
72                 local hline=
73
74                 dev=$( f_device_menu \
75                         "$title" "$prompt" "$hline" $DEVICE_TYPE_CDROM \
76                         2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD ) ||
77                         return $FAILURE
78
79                 f_struct_copy "$dev" device_media
80         fi
81
82         f_struct device_media || return $FAILURE
83 }
84
85 # f_media_init_cdrom $device
86 #
87 # Initializes the CDROM media device. Returns success if able to mount the CD
88 # device using mount_cd9660(8).
89 #
90 f_media_init_cdrom()
91 {
92         local funcname=f_media_init_cdrom
93         local dev="$1" devname err
94
95         f_struct "$dev" get devname devname || return $FAILURE
96         f_dprintf "Init routine called for CDROM device. devname=[%s]" \
97                   "$devname"
98
99         if [ "$CDROM_MOUNTED" ]; then
100                 f_dprintf "CDROM device already mounted."
101                 return $SUCCESS
102         fi
103
104         if [ ! -e "$MOUNTPOINT" ]; then
105                 f_eval_catch $funcname mkdir 'mkdir -p "%s"' "$MOUNTPOINT" ||
106                         return $FAILURE
107         fi
108
109         if ! f_eval_catch -dk err $funcname mount_cd9660 \
110                 'mount_cd9660 "%s" "%s"' "$devname" "$MOUNTPOINT"
111         then
112                 err="${err#mount_cd9660: }"; err="${err#$devname: }"
113                 case "$err" in
114                 "Device busy")
115                         # Perhaps the CDROM drive is already mounted as /cdrom
116                         if f_mounted /cdrom; then
117                                 CDROM_PREVIOUSLY_MOUNTED=1
118                                 MOUNTPOINT=/cdrom
119                                 err=
120                         fi
121                         ;;
122                 esac
123                 case "$err" in
124                 "") : good ;; # no error
125                 *)
126                         [ "$CDROM_INIT_QUIET" ] ||
127                                 f_show_msg "$msg_error_mounting_device" \
128                                            "$devname" "$MOUNTPOINT" "$err"
129                         return $FAILURE
130                 esac
131         fi
132         CDROM_MOUNTED=1
133
134         : xxx # /cdrom.inf has been deprecated since 9.0-R
135
136         # No other CDROM media validation at this time
137
138         return $SUCCESS
139 }
140
141 # f_media_get_cdrom $device $file [$probe_type]
142 #
143 # Returns data from $file on a mounted CDROM device. Similar to cat(1). If
144 # $probe_type is present and non-NULL, returns success if $file exists. If
145 # $probe_type is equal to $PROBE_SIZE, prints the size of $file in bytes to
146 # standard-out.
147 #
148 f_media_get_cdrom()
149 {
150         local dev="$1" file="$2" probe_type="$3"
151         local name
152
153         $dev get name name
154         f_dprintf "f_media_get_cdrom: dev=[%s] file=[%s] probe_type=%s" \
155                   "$name" "$file" "$probe_type"
156
157         f_media_generic_get "$MOUNTPOINT" "$file" "$probe_type"
158 }
159
160 # f_media_shutdown_cdrom $device
161 #
162 # Shuts down the CDROM device. Return status should be ignored.
163 #
164 f_media_shutdown_cdrom()
165 {
166         local funcname=f_media_shutdown_cdrom
167         local dev="$1" err
168
169         [ "$CDROM_MOUNTED" ] || return $FAILURE
170
171         if [ "$CDROM_PREVIOUSLY_MOUNTED" ]; then
172                 CDROM_MOUNTED=
173                 return $SUCCESS
174         fi
175
176         if ! f_eval_catch -dk err $funcname umount \
177                 'umount -f "%s"' "$MOUNTPOINT"
178         then
179                 err="${err#umount: }"; err="${err#*: }"
180                 f_show_msg "$msg_could_not_unmount_the_cdrom_dvd" \
181                            "$MOUNTPOINT" "$err"
182         else
183                 CDROM_MOUNTED=
184         fi
185 }
186
187 # f_media_eject_cdrom $device
188 #
189 # Eject the media from the CDROM device. Returns success.
190 #
191 f_media_eject_cdrom()
192 {
193         local funcname=f_media_eject_cdrom
194         local dev="$1" name devname err
195
196         f_struct "$dev" || return $SUCCESS
197         $dev get name name || return $SUCCESS
198         $dev get devname devname || return $SUCCESS
199
200         # Don't eject labels
201         case "$name" in */*) return $SUCCESS; esac
202
203         f_dprintf "Ejecting CDROM/DVD at %s" "$devname"
204         if ! f_eval_catch -dk err $funcname cdcontrol \
205                 'cdcontrol -f "%s" eject' "$devname"
206         then
207                 f_dprintf "Could not eject the CDROM/DVD from %s: %s" \
208                           "$devname" "${err#cdcontrol: }"
209         fi
210         return $SUCCESS
211 }
212
213 ############################################################ MAIN
214
215 f_dprintf "%s: Successfully loaded." media/cdrom.subr
216
217 fi # ! $_MEDIA_CDROM_SUBR