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|
if [ ! "$_MEDIA_DOS_SUBR" ]; then _MEDIA_DOS_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/dos.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
DOS_MOUNTED=
############################################################ FUNCTIONS
# f_media_set_dos
#
# Return success if we both found and set the media type to be a DOS partition.
#
f_media_set_dos()
{
f_media_close
local devs ndevs
f_device_find "" $DEVICE_TYPE_DOS devs
ndevs=$( set -- $devs; echo $# )
if [ ${ndevs:=0} -eq 0 ]; then
f_show_msg "$msg_no_dos_primary_partitions_found"
return $FAILURE
elif [ $ndevs -gt 1 ]; then
local title="$msg_choose_a_dos_partition"
local prompt="$msg_please_select_dos_partition"
local hline=""
local dev retval
dev=$( f_device_menu \
"$title" "$prompt" "$hline" $DEVICE_TYPE_DOS \
2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD )
retval=$?
[ "$dev" ] || return $FAILURE
f_device_find "$dev" $DEVICE_TYPE_DOS devs
[ "$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 || return $FAILURE
}
# f_media_init_dos $device
#
# Initializes the DOS media device. Returns success if able to mount the DOS
# partition device using mount_msdosfs(8).
#
f_media_init_dos()
{
local dev="$1" devname err
device_$dev get devname devname || return $FAILURE
f_dprintf "Init routine called for DOS device. devname=[%s]" \
"$devname"
if [ "$DOS_MOUNTED" ]; then
f_dprintf "DOS device already mounted."
return $SUCCESS
fi
if [ ! -e "$MOUNTPOINT" ] &&
! err=$( mkdir -p "$MOUNTPOINT" 2>&1 )
then
f_dialog_msgbox "$err"
return $FAILURE
fi
if ! err=$( mount_msdosfs "$devname" "$MOUNTPOINT" 2>&1 )
then
err="${err#mount_msdosfs: }"; err="${err#$devname: }"
f_show_msg "$msg_error_mounting_device" \
"$devname" "$MOUNTPOINT" "$err"
return $FAILURE
fi
DOS_MOUNTED=1
return $SUCCESS
}
# f_media_get_dos $device $file [$probe_type]
#
# Returns data from $file on a mounted DOS partition device. Similar to cat(1).
# If $probe_type is present and non-NULL, returns success if $file exists. If
# $probe_type is equal to $PROBE_SIZE, prints the size of $file in bytes to
# standard-out.
#
f_media_get_dos()
{
local dev="$1" file="$2" probe_type="$3"
f_dprintf "f_media_get_dos: dev=[%s] file=[%s] probe_type=%s" \
"$dev" "$file" "$probe_type"
f_media_generic_get "$MOUNTPOINT" "$file" "$probe_type"
}
# f_media_shutdown_dos $device
#
# Shuts down the DOS partition device using umount(8). Return status should be
# ignored.
#
f_media_shutdown_dos()
{
local dev="$1" err
[ "$DOS_MOUNTED" ] || return $FAILURE
if ! err=$( umount -f "$MOUNTPOINT" 2>&1 ); then
err="${err#umount: }"; err="${err#*: }"
f_show_msg "$msg_could_not_unmount_the_dos_partition" \
"$MOUNTPOINT" "$err"
else
DOS_MOUNTED=
fi
}
############################################################ MAIN
f_dprintf "%s: Successfully loaded." media/dos.subr
fi # ! $_MEDIA_DOS_SUBR
|
