#!/bin/sh

export DATE="21.07.2007"
export TITLE="Verwaltung: Backup"

. ${0%/*}/cgi-bin-pre.sh

if [ "$REQUEST_METHOD" = "POST" ]; then read QUERY_STRING; fi
if [ "$QUERY_STRING" ]; then
	QUERY_STRING=$(echo $QUERY_STRING | sed -e 's#\*#%2A#g')
	IFS=\&;set ${QUERY_STRING%%[^%&=+-:@-_a-z~]*};unset IFS;eval $*
fi


print_form() {
	echo "<h1>Verwaltung: Backup<br /><br /></h1>"

	patterns="$(nvram get ff_nvbackup)"

	cat<<EOF
    <form action="/cgi-bin/backup.html" class="form" method="post"><table border="0" class="form">
      <tbody>
        <tr title="Bestimmt Muster die die zu sichernden Dateien ausw&auml;hlen. 
(zB: /etc/local.* /etc/dhcpsplash/* /etc/openvpn/*)
Zum Testen k&ouml;nnt Ihr auf [ &raquo; ] klicken und eine Vorschau anschauen.">
          <td>Backup-Muster:</td>
          <td>
	    <input type="text" name="patterns" rows="5" style="width:92%;float:left;" value="$patterns" />
            <input name="save" title="Die Einstellungen speichern." type="submit" style="width:8%;" value="&raquo;" />
          </td>
        </tr>
	<tr><td colspan=2><hr></td></tr>
        <tr title="Vorschau f&uuml;r die Backup Muster.">
          <td>Vorschau:</td>
          <td>
EOF

            for pat in $(echo "$patterns" | sed -e's#\*#\\*#g' | sed -e"s#['\"]##g"); do
              echo "<strong>"
	      eval echo $pat
	      echo "</strong><pre>"
              ls -R $(eval echo $pat) 2>/dev/null | sed 's/^/ /;s/^ \([^\/]\)/  \1/;/^[[:space:]]$/d'
	      echo "</pre>"	      
	    done

cat<<EOF  
          </td>
        </tr>
	<tr>
	  <td colspan="2">
	    <input name="backup" title="Backup jetzt starten." type="submit" value="Jetzt sichern" />
	    <input name="restore" title="Backup jetzt wiederherstellen." type="submit" value="Jetzt wiederherstellen" />
            <input name="list" title="Backup jetzt wiederherstellen." type="submit" value="Backupdaten anzeigen" />
	  </td>
	</tr>
	</tbody>
      </table></form>
EOF
}

urldecode() {
    eval "$1=$(
        eval echo '$'$1 | sed -e '
            s#%(00|01|02|03|04|05|06|07|08|09|0a|0b|0c|0d|0e|0f|10|11|12|13|14|15|16|17|18|19|1a|1b|1c|1d|1e|1f)##g; s#\+#\\\ #g;
            s#%20# #g; s#%21#!#g; s#%22#\\"#g; s#%23#\##g; s#%24#\$#g; s#%25#%#g; s#%26#\\\&#g; s#%27#'\\\"\'\\\"'#g; s#%28#\\\(#g;
            s#%29#\\\)#g; s#%2[aA]#\\\*#g; s#%2[bB]#+#g; s#%2[cC]#´#g; s#%2[dD]##g; s#%2[eE]#.#g; s#%2[fF]#/#g; s#%30#0#g; s#%31#1#g;
            s#%32#2#g; s#%33#3#g; s#%34#4#g; s#%35#5#g; s#%36#6#g; s#%37#7#g; s#%38#8#g; s#%39#9#g; s#%3[aA]#:#g; s#%3[bB]#\\\;#g;
            s#%3[cC]#\\\<#g; s#%3[dD]#=#g; s#%3[eE]#\\\>#g; s#%3[fF]#?#g; s#%40#@#g; s#%41#A#g; s#%42#B#g; s#%43#C#g; s#%44#D#g;
            s#%45#E#g; s#%46#F#g; s#%47#G#g; s#%48#H#g; s#%49#I#g; s#%4a#J#g; s#%4b#K#g; s#%4c#L#g; s#%4d#M#g; s#%4e#N#g; s#%4f#O#g;
            s#%50#P#g; s#%51#Q#g; s#%52#R#g; s#%53#S#g; s#%54#T#g; s#%55#U#g; s#%56#V#g; s#%57#W#g; s#%58#X#g; s#%59#Y#g; s#%5[aA]#Z#g;
            s#%5[bB]#\[#g; s#%5[cC]#\\\\#g; s#%5[dD]#\]#g; s#%5[eE]#^#g; s#%5[fF]#_#g; s#%60#\\\`#g; s#%61#a#g; s#%62#b#g; s#%63#c#g;
            s#%64#d#g; s#%65#e#g; s#%66#f#g; s#%67#g#g; s#%68#h#g; s#%69#i#g; s#%6a#j#g; s#%6b#k#g; s#%6c#l#g; s#%6d#m#g; s#%6e#n#g;
            s#%6f#o#g; s#%70#p#g; s#%71#q#g; s#%72#r#g; s#%73#s#g; s#%74#t#g; s#%75#u#g; s#%76#v#g; s#%77#w#g; s#%78#x#g; s#%79#y#g;
            s#%7[aA]#z#g; s#%7[bB]#{#g; s#%7[cC]#\\\|#g; s#%7[dD]#}#g; s#%7[eE]#~#g; s#%[a-fA-F0-9]{2}##g
        '
    )"
}    

act_save() {
    if [ "$1" ]; then nvram set ff_nvbackup="$1"; fi
    print_form
}

act_backup() {
    print_form
    
    echo "<pre>nvbackup -b \"$1\""
    nvbackup -b "$1"
    echo "</pre>"
}

act_restore() {
    print_form

    echo "<pre>nvbackup -r"
    nvbackup -r
    echo "</pre>"
}

act_list() {
    print_form

    echo "<pre>nvbackup -l"
    nvbackup -l
    echo "</pre>"
}

if [ "$patterns" ]; then urldecode patterns; fi

if [ -z "$QUERY_STRING" -o "$save" ]; then
    act_save "$patterns"
fi

if [ "$backup" ]; then
    act_backup "$patterns"
fi

if [ "$restore" ]; then
    act_restore    
fi

if [ "$list" ]; then
    act_list
fi

. ${0%/*}/cgi-bin-post.sh