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m-vdb/cdir.html

Created September 16, 2015 22:03
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Generate a regex from a list of ip blocks
Raw
cdir.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
</head>
<body>
<script type="text/javascript" src="http://underscorejs.org/underscore.js"></script>
<script>
window.ip_blocks = ['feel me'];
// cidr2regex 0.0.3
// 2009 xenowire
window.cidr2regex = function ( cidr ) {
var cidrRegExp = new RegExp('([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\/([0-9]{1,2})');
if( !cidr.match( cidrRegExp ) )
return 'invalid arg.';
var map = new Array();
// 255
map['0'] = new Array();
map['0']['0'] = '[0-9]{1,3}';
// 128
map['1'] = new Array();
map['1']['0'] = '([0-9]{0,1}[0-9]|1[0-1][0-9]|12[0-7])';
map['1']['128'] = '(12[8-9]|1[3-9][0-9]|2[0-5][0-9])';
// 64
map['2'] = new Array();
map['2']['0'] = '([0-5]{0,1}[0-9]|6[0-3])';
map['2']['64'] = '(6[4-9]|[7-9][0-9]|1[0-1][0-9]|12[0-7])';
map['2']['128'] = '(12[8-9]|1[3-8][0-9]|19[0-1])';
map['2']['192'] = '(19[2-9]|2[0-5][0-9])';
// 32
map['3'] = new Array();
map['3']['0'] = '([0-2]{0,1}[0-9]|3[0-1])';
map['3']['32'] = '(3[2-9]|[4-5][0-9]|6[0-3])';
map['3']['64'] = '(6[4-9]|[7-8][0-9]|9[0-5])';
map['3']['96'] = '(9[6-9]|1[0-1][0-9]|12[0-7])';
map['3']['128'] = '(12[8-9]|1[3-5][0-9])';
map['3']['160'] = '(1[6-8][0-9]|19[0-1])';
map['3']['192'] = '(19[2-9]|2[0-1][0-9]|22[0-3])';
map['3']['224'] = '(22[4-9]|2[3-5][0-9])';
// 16
map['4'] = new Array();
map['4']['0'] = '([0-9]|1[0-5])';
map['4']['16'] = '(1[6-9]|2[0-9]|3[0-1])';
map['4']['32'] = '(3[2-9]|4[0-7])';
map['4']['48'] = '(4[8-9]|5[0-9]|6[0-3])';
map['4']['64'] = '(6[4-9]|7[0-9])';
map['4']['80'] = '(8[0-9]|9[0-5])';
map['4']['96'] = '(9[6-9]|10[0-9]|11[0-1])';
map['4']['112'] = '(11[2-9]|12[0-7])';
map['4']['128'] = '(12[8-9]|13[0-9]|14[0-3])';
map['4']['144'] = '(14[4-9]|15[0-9])';
map['4']['160'] = '(16[0-9]|17[0-5])';
map['4']['176'] = '(17[6-9]|18[0-9]|19[0-1])';
map['4']['192'] = '(19[2-9]|20[0-7])';
map['4']['208'] = '(20[8-9]|21[0-9]|22[0-3])';
map['4']['224'] = '(22[4-9]|23[0-9])';
map['4']['240'] = '2[4-5][0-9]';
// 8
map['5'] = new Array();
map['5']['0'] = '[0-7]';
map['5']['8'] = '([8-9]|1[0-5])';
map['5']['16'] = '(1[6-9]|2[0-3])';
map['5']['24'] = '(2[4-9]|3[0-1])';
map['5']['32'] = '3[2-9]';
map['5']['40'] = '4[0-7]';
map['5']['48'] = '(4[8-9]|5[0-5])';
map['5']['56'] = '(5[6-9]|6[0-3])';
map['5']['64'] = '(6[4-9]|7[0-1])';
map['5']['72'] = '7[2-9]';
map['5']['80'] = '8[0-7]';
map['5']['88'] = '(8[8-9]|9[0-5])';
map['5']['96'] = '(9[6-9]|10[0-3])';
map['5']['104'] = '(10[4-9]|11[0-1])';
map['5']['112'] = '11[2-9]';
map['5']['120'] = '12[0-7]';
map['5']['128'] = '(12[8-9]|13[0-5])';
map['5']['136'] = '(13[6-9]|14[0-3])';
map['5']['144'] = '(14[4-9]|15[0-1])';
map['5']['152'] = '15[2-9]';
map['5']['160'] = '16[0-7]';
map['5']['168'] = '(16[8-9]|17[0-5])';
map['5']['176'] = '(17[6-9]|18[0-3])';
map['5']['184'] = '(18[4-9]|19[0-1])';
map['5']['192'] = '19[2-9]';
map['5']['200'] = '20[0-7]';
map['5']['208'] = '(20[8-9]|21[0-5])';
map['5']['216'] = '(21[6-9]|22[0-3])';
map['5']['224'] = '(22[4-9]|23[0-1])';
map['5']['232'] = '23[2-9]';
map['5']['240'] = '24[0-7]';
map['5']['248'] = '(24[8-9]|25[0-5])';
// 4
map['6'] = new Array();
map['6']['0'] = '[0-3]';
map['6']['4'] = '[4-7]';
map['6']['8'] = '([8-9]|1[0-1])';
map['6']['12'] = '1[2-5]';
map['6']['16'] = '1[6-9]';
map['6']['20'] = '2[0-3]';
map['6']['24'] = '2[4-7]';
map['6']['28'] = '(2[8-9]|3[0-1])';
map['6']['32'] = '3[2-5]';
map['6']['36'] = '3[6-9]';
map['6']['40'] = '4[0-3]';
map['6']['44'] = '4[4-7]';
map['6']['48'] = '(4[8-9]|5[0-1])';
map['6']['52'] = '5[2-5]';
map['6']['56'] = '5[6-9]';
map['6']['60'] = '6[0-3]';
map['6']['64'] = '6[4-7]';
map['6']['68'] = '(6[8-9]|7[0-1])';
map['6']['72'] = '7[2-5]';
map['6']['76'] = '7[6-9]';
map['6']['80'] = '8[0-3]';
map['6']['84'] = '8[4-7]';
map['6']['88'] = '(8[8-9]|9[0-1])';
map['6']['92'] = '9[2-5]';
map['6']['96'] = '9[6-9]';
map['6']['100'] = '10[0-3]';
map['6']['104'] = '10[4-7]';
map['6']['108'] = '(10[8-9]|11[0-1])';
map['6']['112'] = '11[2-5]';
map['6']['116'] = '11[6-9]';
map['6']['120'] = '12[0-3]';
map['6']['124'] = '12[4-7]';
map['6']['128'] = '(12[8-9]|13[0-1])';
map['6']['132'] = '13[2-5]';
map['6']['136'] = '13[6-9]';
map['6']['140'] = '14[0-3]';
map['6']['144'] = '14[4-7]';
map['6']['148'] = '(14[8-9]|15[0-1])';
map['6']['152'] = '15[2-5]';
map['6']['156'] = '15[6-9]';
map['6']['160'] = '16[0-3]';
map['6']['164'] = '16[4-7]';
map['6']['168'] = '(16[8-9]|17[0-1])';
map['6']['172'] = '17[2-5]';
map['6']['176'] = '17[6-9]';
map['6']['180'] = '18[0-3]';
map['6']['184'] = '18[4-7]';
map['6']['188'] = '(18[8-9]|19[0-1])';
map['6']['192'] = '19[2-5]';
map['6']['196'] = '19[6-9]';
map['6']['200'] = '20[0-3]';
map['6']['204'] = '20[4-7]';
map['6']['208'] = '(20[8-9]|21[0-1])';
map['6']['212'] = '21[2-5]';
map['6']['216'] = '21[6-9]';
map['6']['220'] = '22[0-3]';
map['6']['224'] = '22[4-7]';
map['6']['228'] = '(22[8-9]|23[0-1])';
map['6']['232'] = '23[2-5]';
map['6']['236'] = '23[6-9]';
map['6']['240'] = '24[0-3]';
map['6']['244'] = '24[4-7]';
map['6']['248'] = '(24[8-9]|25[0-1])';
map['6']['252'] = '25[2-5]';
var bip = 0;
switch( RegExp.$5 )
{
case '0':
return map[0][0] + '\\.' + map[0][0] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '1':
bip = parseInt( parseInt(RegExp.$1) / 128 ) * 128;
return map[1][bip] + '\\.' + map[0][0] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '2':
bip = parseInt( parseInt(RegExp.$1) / 64 ) * 64;
return map[2][bip] + '\\.' + map[0][0] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '3':
bip = parseInt( parseInt(RegExp.$1) / 32 ) * 32;
return map[3][bip] + '\\.' + map[0][0] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '4':
bip = parseInt( parseInt(RegExp.$1) / 16 ) * 16;
return map[4][bip] + '\\.' + map[0][0] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '5':
bip = parseInt( parseInt(RegExp.$1) / 8 ) * 8;
return map[5][bip] + '\\.' + map[0][0] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '6':
bip = parseInt( parseInt(RegExp.$1) / 4 ) * 4;
return map[6][bip] + '\\.' + map[0][0] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '7':
bip = parseInt( parseInt(RegExp.$1) / 2 ) * 2;
switch( bip.toString().length )
{
case 2:
return bip.toString().substr(0,1) + '[' + bip.toString().charAt(1) + '-' + (bip+1).toString().charAt(1) + ']' + '\\.' + map[0][0] + '\\.' + map[0][0] + '\\.' + map[0][0];
case 3:
return bip.toString().substr(0,2) + '[' + bip.toString().charAt(2) + '-' + (bip+1).toString().charAt(2) + ']' + '\\.' + map[0][0] + '\\.' + map[0][0] + '\\.' + map[0][0];
default:
return '[' + bip + '-' + (bip+1) + ']' + '\\.' + map[0][0] + '\\.' + map[0][0] + '\\.' + map[0][0];
}
case '8':
return RegExp.$1 + '\\.' + map[0][0] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '9':
bip = parseInt( parseInt(RegExp.$2) / 128 ) * 128;
return RegExp.$1 + '\\.' + map[1][bip] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '10':
bip = parseInt( parseInt(RegExp.$2) / 64 ) * 64;
return RegExp.$1 + '\\.' + map[2][bip] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '11':
bip = parseInt( parseInt(RegExp.$2) / 32 ) * 32;
return RegExp.$1 + '\\.' + map[3][bip] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '12':
bip = parseInt( parseInt(RegExp.$2) / 16 ) * 16;
return RegExp.$1 + '\\.' + map[4][bip] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '13':
bip = parseInt( parseInt(RegExp.$2) / 8 ) * 8;
return RegExp.$1 + '\\.' + map[5][bip] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '14':
bip = parseInt( parseInt(RegExp.$2) / 4 ) * 4;
return RegExp.$1 + '\\.' + map[6][bip] + '\\.' + map[0][0] + '\\.' + map[0][0];
case '15':
bip = parseInt( parseInt(RegExp.$2) / 2 ) * 2;
switch( bip.toString().length )
{
case 2:
return RegExp.$1 + '\\.' + bip.toString().substr(0,1) + '[' + bip.toString().charAt(1) + '-' + (bip+1).toString().charAt(1) + ']' + '\\.' + map[0][0] + '\\.' + map[0][0];
case 3:
return RegExp.$1 + '\\.' + bip.toString().substr(0,2) + '[' + bip.toString().charAt(2) + '-' + (bip+1).toString().charAt(2) + ']' + '\\.' + map[0][0] + '\\.' + map[0][0];
default:
return RegExp.$1 + '\\.' + '[' + bip + '-' + (bip+1) + ']' + '\\.' + map[0][0] + '\\.' + map[0][0];
}
case '16':
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + map[0][0] + '\\.' + map[0][0];
case '17':
bip = parseInt( parseInt(RegExp.$3) / 128 ) * 128;
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + map[1][bip] + '\\.' + map[0][0];
case '18':
bip = parseInt( parseInt(RegExp.$3) / 64 ) * 64;
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + map[2][bip] + '\\.' + map[0][0];
case '19':
bip = parseInt( parseInt(RegExp.$3) / 32 ) * 32;
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + map[3][bip] + '\\.' + map[0][0];
case '20':
bip = parseInt( parseInt(RegExp.$3) / 16 ) * 16;
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + map[4][bip] + '\\.' + map[0][0];
case '21':
bip = parseInt( parseInt(RegExp.$3) / 8 ) * 8;
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + map[5][bip] + '\\.' + map[0][0];
case '22':
bip = parseInt( parseInt(RegExp.$3) / 4 ) * 4;
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + map[6][bip] + '\\.' + map[0][0];
case '23':
bip = parseInt( parseInt(RegExp.$3) / 2 ) * 2;
switch( bip.toString().length )
{
case 2:
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + bip.toString().substr(0,1) + '[' + bip.toString().charAt(1) + '-' + (bip+1).toString().charAt(1) + ']' + '\\.' + map[0][0];
case 3:
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + bip.toString().substr(0,2) + '[' + bip.toString().charAt(2) + '-' + (bip+1).toString().charAt(2) + ']' + '\\.' + map[0][0];
default:
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + '[' + bip + '-' + (bip+1) + ']' + '\\.' + map[0][0];
}
case '24':
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + RegExp.$3 + '\\.' + map[0][0];
case '25':
bip = parseInt( parseInt(RegExp.$4) / 128 ) * 128;
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + RegExp.$3 + '\\.' + map[1][bip];
case '26':
bip = parseInt( parseInt(RegExp.$4) / 64 ) * 64;
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + RegExp.$3 + '\\.' + map[2][bip];
case '27':
bip = parseInt( parseInt(RegExp.$4) / 32 ) * 32;
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + RegExp.$3 + '\\.' + map[3][bip];
case '28':
bip = parseInt( parseInt(RegExp.$4) / 16 ) * 16;
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + RegExp.$3 + '\\.' + map[4][bip];
case '29':
bip = parseInt( parseInt(RegExp.$4) / 8 ) * 8;
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + RegExp.$3 + '\\.' + map[5][bip];
case '30':
bip = parseInt( parseInt(RegExp.$4) / 4 ) * 4;
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + RegExp.$3 + '\\.' + map[6][bip];
case '31':
bip = parseInt( parseInt(RegExp.$4) / 2 ) * 2;
switch( bip.toString().length )
{
case 2:
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + RegExp.$3 + '\\.' + bip.toString().substr(0,1) + '[' + bip.toString().charAt(1) + '-' + (bip+1).toString().charAt(1) + ']';
case 3:
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + RegExp.$3 + '\\.' + bip.toString().substr(0,2) + '[' + bip.toString().charAt(2) + '-' + (bip+1).toString().charAt(2) + ']';
default:
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + RegExp.$3 + '\\.' + '[' + bip + '-' + (bip+1) + ']';
}
case '32':
return RegExp.$1 + '\\.' + RegExp.$2 + '\\.' + RegExp.$3 + '\\.' + RegExp.$4;
}
return 'invalid arg.';
}
window.result = _.map(window.ip_blocks, window.cidr2regex);
</script>
</body>
</html>
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