1 if [ ! "$_MEDIA_FLOPPY_SUBR" ]; then _MEDIA_FLOPPY_SUBR=1
3 # Copyright (c) 2012-2013 Devin Teske
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
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.
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
29 ############################################################ INCLUDES
31 BSDCFG_SHARE="/usr/share/bsdconfig"
32 . $BSDCFG_SHARE/common.subr || exit 1
33 f_dprintf "%s: loading includes..." media/floppy.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
40 BSDCFG_LIBE="/usr/libexec/bsdconfig"
41 f_include_lang $BSDCFG_LIBE/include/messages.subr
43 ############################################################ GLOBALS
48 ############################################################ FUNCTIONS
52 # Return success if we both found and set the media type to be a floppy.
59 f_device_find "" $DEVICE_TYPE_FLOPPY devs
62 if [ ${ndevs:=0} -eq 0 ]; then
63 f_interactive && f_show_msg "$msg_no_floppy_devices_found"
65 elif [ $ndevs -eq 1 ]; then
66 f_struct_copy $devs device_media
69 local title="$msg_choose_a_floppy_drive"
70 local prompt="$msg_please_select_a_floppy_drive"
73 dev=$( f_device_menu \
74 "$title" "$prompt" "$hline" $DEVICE_TYPE_FLOPPY \
75 2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD ) ||
78 f_struct_copy "$dev" device_media
81 f_struct device_media &&
82 device_media unset private
84 f_struct device_media || return $FAILURE
87 # f_media_init_floppy $device
89 # Initializes the Floppy media device. Returns success if able to mount the
90 # Floppy disk device using either mount_msdosfs(8) or mount(8) (tried in that
95 local funcname=f_media_init_floppy
96 local dev="$1" devname err
98 $dev get devname devname || return $FAILURE
99 f_dprintf "Init floppy called for %s distribution. devname=[%s]" \
100 "${FLOPPY_DISTWANTED:-some}" "$devname"
102 if [ "$FLOPPY_MOUNTED" ]; then
103 f_dprintf "Floppy device already mounted."
109 if [ ! -e "${mp:=$MOUNTPOINT}" ] && ! f_quietly mkdir -p "$mp"; then
110 f_show_msg "$msg_unable_to_make_directory_mountpoint" \
115 if f_interactive; then
118 if [ "$FLOPPY_DISTWANTED" ]; then
119 f_show_msg "$msg_please_insert_floppy_in_drive" "$desc"
121 f_show_msg "$msg_please_insert_floppy_containing" \
122 "$FLOPPY_DISTWANTED" "$desc"
127 f_eval_catch -dk err $funcname mount_msdosfs \
128 'mount_msdosfs -o ro -m 0777 -u 0 -g 0 "%s" "%s"' \
130 f_eval_catch -dk err $funcname mount \
131 'mount -o ro "%s" "%s"' "$devname" "$mp"
133 err="${err#mount: }"; err="${err#*: }"
136 f_show_msg "$msg_error_mounting_floppy_device" \
137 "$name" "$devname" "$mp" "$err"
145 # f_media_get_floppy $device $file [$probe_type]
147 # Returns data from $file on a mounted Floppy disk device. Similar to cat(1).
148 # If $probe_type is present and non-NULL, limits retries to zero and returns
149 # success if $file exists. If $probe_type is equal to $PROBE_SIZE, prints the
150 # size of $file in bytes to standard-out.
154 local funcname=f_media_get_floppy
155 local dev="$1" file="$2" probe_type="$3"
159 f_dprintf "f_media_get_floppy: dev=[%s] file=[%s] probe_type=%s" \
160 "$name" "$file" "$probe_type"
163 # floppies don't use f_media_generic_get() because it's too expensive
164 # to speculatively open files on a floppy disk. Make user get it
165 # right or give up with floppies.
169 local fp="${mp:=$MOUNTPOINT}/$file"
170 if ! [ -f "$fp" -a -r "$fp" ]; then
172 [ "$probe_type" = "$PROBE_SIZE" ] && echo "-1"
173 [ "$probe_type" ] && return $FAILURE
174 while ! [ -f "$fp" -a -r "$fp" ]; do
175 if [ $nretries -eq 0 ]; then
176 f_show_msg "$msg_failed_to_get_floppy_file" \
178 [ "$probe_type" = "$PROBE_SIZE" ] && echo "-1"
181 FLOPPY_DISTWANTED="$fp"
182 f_media_shutdown_floppy "$dev"
183 f_media_init_floppy "$dev" || return $FAILURE
184 nretries=$(( $nretries - 1 ))
188 # If we reach here, $file exists
190 if [ "$probe_type" = "$PROBE_SIZE" ]; then
192 f_eval_catch -dk size $funcname stat 'stat -f %%z "%s"' "$fp"
193 f_isinteger "$size" || size=-1
196 [ "$probe_type" ] && return $SUCCESS
200 # f_media_shutdown_floppy $device
202 # Shuts down the Floppy disk device using umount(8). Return status should be
205 f_media_shutdown_floppy()
207 local funcname=f_media_shutdown_floppy
208 local dev="$1" err mp
210 [ "$FLOPPY_MOUNTED" ] || return $FAILURE
213 if f_eval_catch -d $funcname umount \
214 'umount -f "%s"' "${mp:=$MOUNTPOINT}"
217 if f_interactive && [ "$_systemState" != "fixit" ]; then
220 f_show_msg "$msg_you_may_remove_the_floppy" "$desc"
225 ############################################################ MAIN
227 f_dprintf "%s: Successfully loaded." media/floppy.subr
229 fi # ! $_MEDIA_FLOPPY_SUBR