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Created
Tue, Jun 24, 11:29 PM

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Index: branches/unlabeled/unlabeled-1.8.58/obscure.php
===================================================================
--- branches/unlabeled/unlabeled-1.8.58/obscure.php (nonexistent)
+++ branches/unlabeled/unlabeled-1.8.58/obscure.php (revision 1254)
@@ -0,0 +1,274 @@
+#!/usr/local/bin/php
+
+<?php
+
+ if (isset($argv[2]) && $argv[2] != '') {
+ define('SEED', $argv[2]);
+ }
+ else {
+ define('SEED', rand(0, 100000));
+ }
+
+ function gen_name($old)
+ {
+ return md5($old.SEED);
+ //return '_n_'.$old;
+ }
+
+ $functions = array();
+
+ $php = file($argv[1]);
+ $n = 1;
+ for($x=0;$x<count($php);$x++)
+ {
+ $line = $php[$x];
+
+ if ( preg_match("/^[ ]*\/\/.*?$/", trim($line)) ) {
+ //echo "SKIPPING ".$php[$x];
+ $php[$x] = "";
+ continue; //cut comments
+ }
+
+ if ( preg_match("/^\/\*.*\*\/$/", trim($line)) ) {
+ //echo "SKIPPING ".$php[$x];
+ $php[$x] = "";
+ continue; //cut comments
+ }
+
+ if(substr($line,0,10)=="function _")
+ {
+ $dec_parts = explode(" ",$line,2);
+ $pp = explode("(",$dec_parts[1]);
+ $name = $pp[0];
+ $attribs="(".$pp[1];
+
+ //echo "found func $name attribs: $attribs\n";
+
+ $start = $x;
+ for($f=$x;$f<count($php);$f++)
+ {
+ if(substr($php[$f],0,1)=="}")
+ {
+ $end = $f;
+ break;
+ }
+ }
+ if($start && $end && strlen($name))
+ {
+ $newname = "_".gen_name($n);
+ $n++;
+ $functions[$name] = array("start"=>$start,"end"=>$end,"attribs"=>$attribs,"newname"=>$newname);
+ }
+ }
+ }
+// print_r($functions);
+ //echo "<PRE>"; print_r($functions); echo "</PRE>";
+
+ function GetVarName($s)
+ {
+ $alphabet = "abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+ $name = "";
+ $var_end = 0;
+ $char = substr($s,$var_end,1);
+ if(substr($s,0,1)=="$")
+ {
+ $var_end++;
+ $char = substr($s,$var_end,1);
+ }
+ while(is_numeric(strpos($alphabet,$char)) && strlen($char))
+ {
+ $name .= $char;
+ $var_end++;
+ $char = substr($s,$var_end,1);
+ }
+ return $name;
+ }
+
+ function obscure_func($NewName,$Attribs,$code)
+ {
+ global $functions;
+
+ $globals = array();
+
+ $globals[] = '$this';
+ $globals[] = '$_GET';
+ $globals[] = '$_FILES';
+ $globals[] = '$_POST';
+ $globals[] = '$_COOKIE';
+ $globals[] = '$_SERVER';
+
+ $variables = array();
+
+ $new_code = array();
+ for($x=0;$x<=count($code);$x++)
+ {
+ $line = $code[$x];
+ $line = ltrim($line);
+ $line = str_replace("\t","",$line);
+ $g = strpos($line,"global");
+ if(is_numeric($g))
+ {
+ $vars = trim(substr($line,$g+7));
+ $vars = substr($vars,0,-1);
+ $v = explode(",",$vars);
+ for($z=0;$z<count($v);$z++)
+ $globals[] = ltrim($v[$z]);
+ }
+ $new_code[$x] = $line;
+ }
+ $code = $new_code;
+ for($x=0;$x<count($code);$x++)
+ {
+ foreach($functions as $name=>$attr)
+ {
+ $line = $code[$x];
+ $code[$x] = str_replace($name,$attr["newname"],$line);
+ }
+ }
+
+ $VarCount =0;
+ if(strlen($Attribs)>3)
+ {
+ $Attribs = trim($Attribs);
+ $Attribs = str_replace("\t","",$Attribs);
+ //echo "getting attribs from $Attribs\n";
+ $a = explode(",",substr($Attribs,1,-1));
+// echo "got attribs for func [$Attribs]:\n";
+// var_dump($a);
+ if (is_array($a) && $a[0] != '') {
+ foreach($a as $attr)
+ {
+ list($attr,$default) = explode('=', $attr);
+ //echo "attr: $attr / def = $default\n";
+ if ($default != '') {
+ $defaults[$attr] = $default;
+ //echo "stored defaults for $attr\n";
+ }
+ $variables[$attr] = '$_'.gen_name($VarCount++);
+ }
+ }
+ }
+
+ for($x=0;$x<count($code);$x++)
+ {
+ $line = $code[$x];
+ if(!strlen($line))
+ continue;
+ $p = strpos($line,"$");
+ while($p>0)
+ {
+ if(substr($line,$p,2)!="$$")
+ {
+ $name=GetVarName(substr($line,$p));
+ if(strlen($name))
+ {
+ $name = "$".trim($name);
+ if(!in_array($name,$globals) && !array_key_exists($name,$variables))
+ $variables[$name] = '$_'.gen_name($VarCount++);
+ }
+ }
+ $p = strpos($line,"$",$p+1);
+ }
+ }
+
+ for($x=0;$x<count($code);$x++)
+ {
+// print_r($variables);
+ foreach($variables as $v=>$varname)
+ {
+ //echo "strpos ".$code[$x].', '.$v."\n";
+ $p = strpos($code[$x],$v);
+ while(is_numeric($p))
+ {
+ $t = GetVarName(substr($code[$x],$p));
+ if('$'.$t == $v)
+ {
+ $code[$x] = substr_replace($code[$x],$varname,$p,strlen($t)+1);
+ }
+ $p = strpos($code[$x],$v,$p+1);
+ }
+ }
+ }
+
+ $o = "function $NewName"."(";
+ if (is_array($a)) {
+ foreach($a as $attr)
+ {
+ list($attr,$default) = explode('=', $attr);
+ $av[] = ($variables[$attr].(isset($defaults[$attr]) ? '='.$defaults[$attr] : ''));
+ }
+ }
+ if(count($av)>0)
+ $o .= implode(",",$av);
+ $o .= ")";
+ //echo "reversed: $o\n";
+ $o .= implode(" ",$code);
+ //$o = str_replace("\n","",$o);
+ return $o;
+ }
+
+ $out = "";
+ $outline = 0;
+
+ $shuffled = array_rand($functions, count($functions));
+// print_r($shuffled);
+
+ foreach ($shuffled as $name) {
+ $pos = $functions[$name];
+
+ //foreach($functions as $name =>$pos)
+ //{
+ $dest = $pos["start"];
+ $newname = $pos["newname"];
+ if(!$outline)
+ $outline = $dest;
+
+
+ unset($code);
+ for($x=$dest+1;$x<=$pos["end"];$x++)
+ {
+ $code[] = $php[$x];
+ }
+ $newcode = obscure_func($newname,$pos["attribs"],$code);
+ $out .= $newcode;
+ }
+ foreach($functions as $name=>$pos)
+ {
+ for($x=$pos["start"];$x<=$pos["end"];$x++)
+ {
+ $php[$x] = "";
+ }
+ }
+
+ $code =array();
+ for($x=0;$x<count($php);$x++) {
+ $line = $php[$x];
+ foreach($functions as $name=>$attr)
+ {
+ $line = str_replace($name,$attr["newname"],$line);
+ }
+ $code[$x] = $line;
+ }
+ $php = $code;
+
+ $line=1;
+
+ $tmp_file = fopen($argv[1].'_', 'w');
+
+ for($x=0;$x<count($php);$x++)
+ {
+ if($x==$outline) {
+ //echo "$line: ".$out;
+ fwrite($tmp_file, $out);
+ }
+ if(strlen($php[$x])) {
+ //echo "$line: ".ltrim($php[$x]);
+ fwrite($tmp_file, ltrim($php[$x]));
+ }
+ $line++;
+ }
+ fclose($tmp_file);
+ rename($argv[1].'_', $argv[1]);
+
+?>
Property changes on: branches/unlabeled/unlabeled-1.8.58/obscure.php
___________________________________________________________________
Added: cvs2svn:cvs-rev
## -0,0 +1 ##
+1.8
\ No newline at end of property
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property

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