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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
if [ ! "$_MEDIA_FLOPPY_SUBR" ]; then _MEDIA_FLOPPY_SUBR=1
#
# Copyright (c) 2012-2013 Devin Teske
# 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.
#
# $FreeBSD$
#
############################################################ INCLUDES
BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1
f_dprintf "%s: loading includes..." media/floppy.subr
f_include $BSDCFG_SHARE/device.subr
f_include $BSDCFG_SHARE/dialog.subr
f_include $BSDCFG_SHARE/media/common.subr
f_include $BSDCFG_SHARE/struct.subr
f_include $BSDCFG_SHARE/variable.subr
BSDCFG_LIBE="/usr/libexec/bsdconfig"
f_include_lang $BSDCFG_LIBE/include/messages.subr
############################################################ GLOBALS
FLOPPY_MOUNTED=
FLOPPY_DISTWANTED=
############################################################ FUNCTIONS
# f_media_set_floppy
#
# Return success if we both found and set the media type to be a floppy.
#
f_media_set_floppy()
{
f_media_close
local devs ndevs
f_device_find "" $DEVICE_TYPE_FLOPPY devs
ndevs=$( set -- $devs; echo $# )
if [ ${ndevs:=0} -eq 0 ]; then
f_interactive && f_show_msg "$msg_no_floppy_devices_found"
return $FAILURE
elif [ $ndevs -gt 1 ]; then
local title="$msg_choose_a_floppy_drive"
local prompt="$msg_please_select_a_floppy_drive"
local hline=""
local dev retval
dev=$( f_device_menu \
"$title" "$prompt" "$hline" $DEVICE_TYPE_FLOPPY \
2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD )
retval=$?
[ "$dev" ] || return $FAILURE
f_device_find "$dev" $DEVICE_TYPE_FLOPPY devs
[ "$devs" ] || return $FAILURE
dev="${devs%%[$IFS]*}"
f_struct_copy device_$dev device_media
[ $retval -eq $SUCCESS ] || return $FAILURE
else
f_struct_copy device_$devs device_media
fi
f_struct device_media &&
device_media unset private
f_struct device_media || return $FAILURE
}
# f_media_init_floppy $device
#
# Initializes the Floppy media device. Returns success if able to mount the
# Floppy disk device using either mount_msdosfs(8) or mount(8) (tried in that
# order).
#
f_media_init_floppy()
{
local dev="$1" devname err
device_$dev get devname devname || return $FAILURE
f_dprintf "Init floppy called for %s distribution. devname=[%s]" \
"${FLOPPY_DISTWANTED:-some}" "$devname"
if [ "$FLOPPY_MOUNTED" ]; then
f_dprintf "Floppy device already mounted."
return $SUCCESS
fi
local mp
device_$dev get private mp
if [ ! -e "${mp:=$MOUNTPOINT}" ] && ! f_quietly mkdir -p "$mp"; then
f_show_msg "$msg_unable_to_make_directory_mountpoint" \
"$mp" "$devname"
return $FAILURE
fi
if f_interactive; then
local desc
device_$dev get desc desc
if [ "$FLOPPY_DISTWANTED" ]; then
f_show_msg "$msg_please_insert_floppy_in_drive" "$desc"
else
f_show_msg "$msg_please_insert_floppy_containing" \
"$FLOPPY_DISTWANTED" "$desc"
fi
fi
if ! {
f_quietly mount_msdosfs -o ro -m 0777 -u 0 -g 0 "$devname" "$mp" ||
err=$( mount -o ro "$devname" "$mp" 2>&1 )
}; then
err="${err#mount: }"; err="${err#*: }"
local name
device_$dev get name name
f_show_msg "$msg_error_mounting_floppy_device" \
"$name" "$devname" "$mp" "$err"
return $FAILURE
fi
FLOPPY_MOUNTED=1
FLOPPY_DISTWANTED=
return $SUCCESS
}
# f_media_get_floppy $device $file [$probe_only]
#
# Returns data from $file on a mounted Floppy disk device. Similar to cat(1).
# If $probe_only is present and non-null, limits retries to zero.
#
f_media_get_floppy()
{
local dev="$1" file="$2" probe_only="$3"
f_dprintf "f_media_get_floppy: dev=[%s] file=[%s] probe_only=%s" \
"$dev" "$file" "$probe_only"
#
# floppies don't use f_media_generic_get() because it's too expensive
# to speculatively open files on a floppy disk. Make user get it
# right or give up with floppies.
#
local mp
device_$dev get private mp
local fp="${mp:=$MOUNTPOINT}/$file"
if ! [ -f "$fp" -a -r "$fp" ]; then
local nretries=4
[ "$probe_only" ] && return $FAILURE
while ! [ -f "$fp" -a -r "$fp" ]; do
if [ $nretries -eq 0 ]; then
f_show_msg "$msg_failed_to_get_floppy_file" \
"$fp"
return $FAILURE
fi
FLOPPY_DISTWANTED="$fp"
f_media_shutdown_floppy "$dev"
f_media_init_floppy "$dev" || return $FAILURE
nretries=$(( $nretries - 1 ))
done
elif [ "$probe_only" ]; then
return $SUCCESS
fi
cat "$fp"
}
# f_media_shutdown_floppy $device
#
# Shuts down the Floppy disk device using umount(8). Return status should be
# ignored.
#
f_media_shutdown_floppy()
{
local dev="$1" err mp
[ "$FLOPPY_MOUNTED" ] || return
device_$dev get private mp
if ! err=$( umount -f "${mp:=$MOUNTPOINT}" 2>&1 ); then
err="${err#umount: }"; err="${err#*:}"
f_dprintf "Umount of floppy on %s failed: %s" "$mp" "$err"
else
FLOPPY_MOUNTED=
if f_interactive && [ "$_systemState" != "fixit" ]; then
local desc
device_$dev get desc desc
f_show_msg "$msg_you_may_remove_the_floppy" "$desc"
fi
fi
}
############################################################ MAIN
f_dprintf "%s: Successfully loaded." media/floppy.subr
fi # ! $_MEDIA_FLOPPY_SUBR
|
