diff options
Diffstat (limited to 'usr.sbin/bsdconfig/share/media/floppy.subr')
| -rw-r--r-- | usr.sbin/bsdconfig/share/media/floppy.subr | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/usr.sbin/bsdconfig/share/media/floppy.subr b/usr.sbin/bsdconfig/share/media/floppy.subr new file mode 100644 index 0000000..c874c61 --- /dev/null +++ b/usr.sbin/bsdconfig/share/media/floppy.subr @@ -0,0 +1,214 @@ +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 (INLUDING, 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/struct.subr +f_include $BSDCFG_SHARE/device.subr +f_include $BSDCFG_SHARE/dialog.subr +f_include $BSDCFG_SHARE/variable.subr +f_include $BSDCFG_SHARE/media/common.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 [ ${ndevs:=0} -eq 0 ]; then + f_interactive && f_dialog_msgbox "$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 $FAILURE + nretries=$(( $nretries - 1 )) + done + fi + cat "$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 |
