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|
#!/bin/bash
### Name: Simple XenStore Editor
### Version: 1.2
### Release Date: 2012-08-18
[ "`id -u`" != "0" ] && echo "This script should be run as root." && exit 40
if [ "$1" ];then
current="$1"
else
current="/"
fi
should_exit=0
first_run=1
setdefault=0
prevdir="$current"
tmpfile=`mktemp`
scripttitle=" Simple XenStore Editor Version 1.2 "
scriptshorttitle="Simple XenStore Editor"
if [ -z "$DIALOG" ]; then
for i in dialog cdialog
do
DIALOG=`which $i 2> /dev/null`
[ "$DIALOG" ] && break
done
fi
[ -z "$DIALOG" ] && echo "A required program \`dialog' cannot be found in your PATH. (You can specify it by setting the environment variable DIALOG)" && exit 42
function getxenfullpath () {
if [ "$1" = "/" ]
then
echo "/$2"
else
echo "$1/$2"
fi
}
function getusernewvalue () {
local initvalue="$3"
while true
do
$DIALOG --title "$1" --extra-button --extra-label "File Browser" --inputbox "$2" 0 0 "$initvalue" 2> "$tmpfile"
local exitstat=$?
case "$exitstat" in
0|1)
return "$exitstat"
;;
3)
local initdir="/"
local tmpfile2="`mktemp`"
local selectedfile="/"
local nowvalue="`cat "$tmpfile"`"
local parentdir="`dirname "$nowvalue"`"
if [ "`echo "$nowvalue" | cut -c 1`" != "/" ] || [ '!' -e "$parentdir" ]
then
$DIALOG --title "File Browser" --msgbox "$parentdir directory does not exits" 0 0
initdir="`pwd`/"
else
initdir="$nowvalue"
fi
$DIALOG --title "Use space-bar to copy the current selection" --fselect "$initdir" 13 75 2> "$tmpfile2"
if [ "$?" = "0" ]
then
selectedfile="`cat "$tmpfile2"`"
initvalue="$selectedfile"
else
initvalue="$nowvalue"
fi
rm -f "$tmpfile2"
;;
esac
done
}
while [ "$should_exit" = "0" ]
do
unset dirlist
unset valuelist
unset i
unset j
xenstore-list "$current" > "$tmpfile"
if [ "$?" != "0" ]; then
$DIALOG --title "$scripttitle" --msgbox "Cannot list the directory $current" 0 0
if [ "$first_run" != "0" ]
then
exit 1
else
current="$prevdir"
continue
fi
fi
first_run=0
declare -a dirlist
declare -a valuelist
mapfile -t dirlist < "$tmpfile"
declare -i i=0
declare -i j=0
if [ -z "${dirlist[0]}" ]
then
valuelist[0]="(Empty)"
valuelist[1]=""
else
while [ "${dirlist[$i]}" ]
do
valuelist[$j]="${dirlist[$i]}"
j=$j+1
valuelist[$j]="`xenstore-read $current/${dirlist[$i]}`"
j=$j+1
i=$i+1
done
fi
if [ "$setdefault" = "0" ]
then
$DIALOG --title "$scripttitle" --ok-label "Chdir" --cancel-label "Exit" --extra-button --extra-label "Edit" --menu "$current" 0 0 0 "${valuelist[@]}" 2> "$tmpfile"
else
$DIALOG --title "$scripttitle" --ok-label "Chdir" --cancel-label "Exit" --extra-button --extra-label "Edit" --default-item "$setdefaultvalue" --menu "$current" 0 0 0 "${valuelist[@]}" 2> "$tmpfile"
fi
dialogexit=$?
dialogout="`cat "$tmpfile"`"
setdefault=0
case "$dialogexit" in
0)
unset valuepathvalid
descending="`getxenfullpath "$current" "$dialogout"`"
ascending="`dirname "$current"`"
usevalue="`xenstore-read "$descending"`"
if [ "$usevalue" ]; then
xenstore-read "$usevalue" 2> /dev/null
[ "$?" = "0" ] && valuepathvalid=1
fi
if [ "$dialogout" = "(Empty)" ]; then
$DIALOG --title "$scriptshorttitle - Chdir" --menu "Choose from the list" 0 0 0 "Back" "Go to $ascending" "Manual" "Type a XenStore Path" 2> "$tmpfile"
dialogexit=$?
elif [ "$usevalue" ] && [ "$valuepathvalid" = "1" ]; then
$DIALOG --title "$scriptshorttitle - Chdir" --menu "Choose from the list" 0 0 0 "Enter" "Go to $descending" "Back" "Go to $ascending" "UseValue" "Go to $usevalue" "Manual" "Type a XenStore Path" 2> "$tmpfile"
dialogexit=$?
else
$DIALOG --title "$scriptshorttitle - Chdir" --menu "Choose from the list" 0 0 0 "Enter" "Go to $descending" "Back" "Go to $ascending" "Manual" "Type a XenStore Path" 2> "$tmpfile"
dialogexit=$?
fi
if [ "$dialogexit" = "0" ]
then
dialogout2="`cat "$tmpfile"`"
case "$dialogout2" in
"Enter")
prevdir="$current"
current="$descending"
;;
"Back")
prevdir="$current"
current="$ascending"
;;
"UseValue")
prevdir="$current"
current="$usevalue"
;;
"Manual")
$DIALOG --title "$scriptshorttitle - Chdir - Manual" --inputbox "XenStore Directory Name" 0 0 "$current" 2> "$tmpfile"
if [ "$?" = "0" ]
then
prevdir="$current"
current="`cat "$tmpfile"`"
else
setdefault=1
setdefaultvalue="$dialogout"
fi
;;
esac
else
setdefault=1
setdefaultvalue="$dialogout"
fi
;;
1)
if $DIALOG --title "$scriptshorttitle - Exit" --yesno "Do you really want to quit?" 0 0
then
should_exit=1
fi
;;
3)
if [ "$dialogout" = "(Empty)" ]
then
$DIALOG --title "$scriptshorttitle - Edit" --menu "Choose from the list" 0 0 0 "Add" "Add a new value" 2> "$tmpfile"
dialogexit=$?
dialogout2="`cat "$tmpfile"`"
else
$DIALOG --title "$scriptshorttitle - Edit" --menu "Choose from the list" 0 0 0 "Modify" "Modify this value" "Remove" "Remove this value" "Add" "Add a new value" 2> "$tmpfile"
dialogexit=$?
dialogout2="`cat "$tmpfile"`"
fi
if [ "$dialogexit" = "0" ]
then
case "$dialogout2" in
"Add")
$DIALOG --title "$scriptshorttitle - Edit - Add" --inputbox "Name" 0 0 2> "$tmpfile"
if [ "$?" = "0" ]
then
newname="`cat "$tmpfile"`"
else
setdefault=1
setdefaultvalue="$dialogout"
continue
fi
getusernewvalue "$scriptshorttitle - Edit - Add" "Value" ""
if [ "$?" = "0" ]
then
newvalue="`cat "$tmpfile"`"
else
setdefault=1
setdefaultvalue="$dialogout"
continue
fi
fullpath="`getxenfullpath "$current" "$newname"`"
outmsg="`xenstore-write "$fullpath" "$newvalue" 2>&1`"
if [ "$?" != "0" ]
then
$DIALOG --title "$scriptshorttitle - Edit - Add" --msgbox "$outmsg" 0 0
else
setdefault=1
setdefaultvalue="$dialogout"
fi
;;
"Modify")
fullpath="`getxenfullpath "$current" "$dialogout"`"
getusernewvalue "$scriptshorttitle - Edit - Modify" "New value" "`xenstore-read "$fullpath"`"
if [ "$?" = "0" ]
then
dialogout3="`cat "$tmpfile"`"
outmsg="`xenstore-write "$fullpath" "$dialogout3" 2>&1`"
if [ "$?" != "0" ]
then
$DIALOG --title "$scriptshorttitle - Edit - Modify" --msgbox "$outmsg" 0 0
else
setdefault=1
setdefaultvalue="$dialogout"
fi
else
setdefault=1
setdefaultvalue="$dialogout"
fi
;;
"Remove")
fullpath="`getxenfullpath "$current" "$dialogout"`"
if $DIALOG --title "$scriptshorttitle - Edit - Remove" --yesno "Do you really want to delete the value $dialogout?" 0 0
then
outmsg="`xenstore-rm "$fullpath" 2>&1`"
if [ "$?" != "0" ]
then
$DIALOG --title "$scriptshorttitle - Edit - Remove" --msgbox "$outmsg" 0 0
else
setdefault=1
setdefaultvalue="$dialogout"
fi
else
setdefault=1
setdefaultvalue="$dialogout"
fi
;;
esac
else
setdefault=1
setdefaultvalue="$dialogout"
fi
;;
esac
done
rm -f "$tmpfile"
|
