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[FreeBSD/releng/9.2.git] / usr.sbin / bsdconfig / share / media / usb.subr
1 if [ ! "$_MEDIA_USB_SUBR" ]; then _MEDIA_USB_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/usb.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 USB_MOUNTED=
46
47 ############################################################ FUNCTIONS
48
49 # f_media_set_usb
50 #
51 # Attempt to use USB as the media type. Return success if we both found and set
52 # the media type to be a USB drive.
53 #
54 f_media_set_usb()
55 {
56         f_media_close
57
58         local devs ndevs
59         f_device_find "" $DEVICE_TYPE_USB devs
60         ndevs=$( set -- $devs; echo $# )
61
62         if [ ${ndevs:=0} -eq 0 ]; then
63                 f_show_msg "$msg_no_usb_devices_found"
64                 return $FAILURE
65         elif [ $ndevs -gt 1 ]; then
66                 local title="$msg_choose_a_usb_drive"
67                 local prompt="$msg_please_select_a_usb_drive"
68                 local hline=""
69
70                 local dev retval
71                 dev=$( f_device_menu \
72                         "$title" "$prompt" "$hline" $DEVICE_TYPE_USB \
73                         2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD )
74                 retval=$?
75                 [ "$dev" ] || return $FAILURE
76
77                 f_device_find "$dev" $DEVICE_TYPE_USB devs
78                 [ "$devs" ] || return $FAILURE
79                 dev="${devs%%[$IFS]*}"
80
81                 f_struct_copy device_$dev device_media
82                 [ $retval -eq $SUCCESS ] || return $FAILURE
83         else
84                 f_struct_copy device_$devs device_media
85         fi
86
87         f_struct device_media &&
88                 device_media unset private
89
90         if f_interactive; then
91                 local name
92                 f_struct device_media get name name
93                 f_show_msg "$msg_using_usb_device" "$name"
94         fi
95
96         f_struct device_media || return $FAILURE
97 }
98
99 # f_media_init_usb $device
100 #
101 # Initializes the USB media device. Returns success if able to mount the USB
102 # disk device using mount(8).
103 #
104 f_media_init_usb()
105 {
106         local dev="$1" devname err
107
108         device_$dev get devname devname || return $FAILURE
109         f_dprintf "Init routine called for USB device. devname=[%s]" \
110                   "$devname"
111
112         if [ "$USB_MOUNTED" ]; then
113                 f_dprintf "USB device already mounted."
114                 return $SUCCESS
115         fi
116
117         if [ ! -e "$MOUNTPOINT" ] &&
118            ! err=$( mkdir -p "$MOUNTPOINT" 2>&1 )
119         then
120                 f_dialog_msgbox "$err"
121                 return $FAILURE
122         fi
123
124         if err=$( mount "$devname" "$MOUNTPOINT" 2>&1 ); then
125                 USB_MOUNTED=1
126                 return $SUCCESS
127         fi
128
129         err="${err#mount: }"; err="${err#$devname: }"
130         f_show_msg "$msg_error_mounting_usb_drive" \
131                    "$devname" "$MOUNTPOINT" "$err"
132         return $FAILURE
133 }
134
135 # f_media_get_usb $device $file [$probe_only]
136 #
137 # Returns data from $file on a mounted USB disk device. Similar to cat(1).
138 # If $probe_only is present and non-NULL, returns success if $file exists.
139 #
140 f_media_get_usb()
141 {
142         local dev="$1" file="$2" probe_only="$3"
143
144         f_dprintf "f_media_get_usb: dev=[%s] file=[%s] probe_only=%s" \
145                   "$dev" "$file" "$probe_only"
146
147         f_media_generic_get "$MOUNTPOINT" "$file" "$probe_only"
148 }
149
150 # f_media_shutdown_usb $device
151 #
152 # Shuts down the USB disk device using umount(8). Return status should be
153 # ignored.
154 #
155 f_media_shutdown_usb()
156 {
157         local dev="$1" err
158
159         [ "$USB_MOUNTED" ] || return
160
161         if ! err=$( umount -f "$MOUNTPOINT" 2>&1 ); then
162                 err="${err#umount: }"; err="${err#*: }"
163                 f_show_msg "$msg_could_not_unmount_the_ufs_partition" \
164                            "$MOUNTPOINT" "$err"
165         else
166                 USB_MOUNTED=
167         fi
168 }
169
170 ############################################################ MAIN
171
172 f_dprintf "%s: Successfully loaded." media/usb.subr
173
174 fi # ! $_MEDIA_USB_SUBR