Page Menu
Home
In-Portal Phabricator
Search
Configure Global Search
Log In
Files
F1068702
in-portal
No One
Temporary
Actions
View File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Award Token
Flag For Later
Subscribers
None
File Metadata
Details
File Info
Storage
Attached
Created
Fri, Jul 18, 10:23 PM
Size
5 KB
Mime Type
text/x-diff
Expires
Sun, Jul 20, 10:23 PM (1 d, 2 h)
Engine
blob
Format
Raw Data
Handle
691719
Attached To
rINP In-Portal
in-portal
View Options
Index: trunk/obscure.php
===================================================================
--- trunk/obscure.php (revision 1208)
+++ trunk/obscure.php (revision 1209)
@@ -1,245 +1,245 @@
#!/usr/local/bin/php
<?php
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(substr($line,0,10)=="function _")
{
$dec_parts = explode(" ",$line,2);
$pp = explode("(",$dec_parts[1]);
$name = $pp[0];
$attribs="(".$pp[1];
$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);
$a = explode(",",substr($Attribs,1,-1));
// echo "got attribs for func [$Attribs]:\n";
// var_dump($a);
if (is_array($a) && $a[0] != '') {
foreach($a as $attr)
{
$variables[$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)
{
$av[] = $variables[$attr];
}
}
if(count($av)>0)
$o .= implode(",",$av);
$o .= ")";
$o .= implode(" ",$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 $out;
fwrite($tmp_file, $out);
}
if(strlen($php[$x])) {
//echo ltrim($php[$x]);
fwrite($tmp_file, ltrim($php[$x]));
}
$line++;
}
fclose($tmp_file);
- // rename($argv[1].'_', $argv[1]);
+ rename($argv[1].'_', $argv[1]);
?>
Property changes on: trunk/obscure.php
___________________________________________________________________
Modified: cvs2svn:cvs-rev
## -1 +1 ##
-1.4
\ No newline at end of property
+1.5
\ No newline at end of property
Event Timeline
Log In to Comment