4 * Script provides form to decode encrypted header information.
6 * @copyright © 2005-2006 The SquirrelMail Project Team
7 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
9 * @package squirrelmail
13 * Set constant to path of your SquirrelMail install.
16 define('SM_PATH','../');
19 * include SquirrelMail string functions
20 * script needs OneTimePadDecrypt() (functions/strings.php)
21 * and sqgetGlobalVar() (functions/global.php, loaded by strings.php)
23 include_once(SM_PATH
.'functions/strings.php');
26 * converts hex string to ip address
27 * @param string $hex hexadecimal string created with squirrelmail ip2hex
28 * function in delivery class.
29 * @return string ip address
30 * @since 1.5.1 and 1.4.5
32 function hex2ip($hex) {
33 if (strlen($hex)==8) {
34 $ret=hexdec(substr($hex,0,2)).'.'
35 .hexdec(substr($hex,2,2)).'.'
36 .hexdec(substr($hex,4,2)).'.'
37 .hexdec(substr($hex,6,2));
38 } elseif (strlen($hex)==32) {
39 $ret=hexdec(substr($hex,0,4)).':'
40 .hexdec(substr($hex,4,4)).':'
41 .hexdec(substr($hex,8,4)).':'
42 .hexdec(substr($hex,12,4)).':'
43 .hexdec(substr($hex,16,4)).':'
44 .hexdec(substr($hex,20,4)).':'
45 .hexdec(substr($hex,24,4)).':'
46 .hexdec(substr($hex,28,4));
53 /** create page headers */
54 header('Content-Type: text/html');
56 echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"'."\n"
57 .' "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">'
58 ."\n<head>\n<meta name=\"robots\" content=\"noindex,nofollow\">\n"
61 if (sqgetGlobalVar('submit',$submit,SQ_POST
)) {
62 if (! sqgetGlobalVar('secret',$secret,SQ_POST
) ||
64 echo "<p>You must enter encryption key.</p>\n";
65 if (! sqgetGlobalVar('enc_string',$enc_string,SQ_POST
) ||
67 echo "<p>You must enter encrypted string.</p>\n";
69 if (isset($enc_string) && ! base64_decode($enc_string)) {
70 echo "<p>Encrypted string should be BASE64 encoded.<br />\n"
71 ."Please enter all characters that are listed after header name.</p>\n";
72 } elseif (isset($secret)) {
73 $string=OneTimePadDecrypt($enc_string,base64_encode($secret));
75 if (sqgetGlobalVar('ip_addr',$is_addr,SQ_POST
)) {
76 $string=hex2ip($string);
78 echo "<p>Decoded string: ".$string."</p>\n";
83 <form action
="<?php echo $PHP_SELF ?>" method
="post" >
85 Secret key
: <input type
="password" name
="secret"><br
/>
86 Encrypted
string: <input type
="text" name
="enc_string"><br
/>
87 Check
, if it is an address
string: <input type
="checkbox" name
="ip_addr" /><br
/>
88 <button type
="submit" name
="submit" value
="submit">Submit
</button
>