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2471d3a @alecpl - Added possibility to encrypt received header, option 'http_received…
alecpl authored
1 #!/usr/bin/env php
2 <?php
3 /*
4
5 +-----------------------------------------------------------------------+
30aa4cc @alecpl - Renamed all php-cli scripts to use .sh extension
alecpl authored
6 | bin/decrypt.sh |
2471d3a @alecpl - Added possibility to encrypt received header, option 'http_received…
alecpl authored
7 | |
e019f2d @alecpl - s/RoundCube/Roundcube/
alecpl authored
8 | This file is part of the Roundcube Webmail client |
f5e7b35 @thomascube Bumbed version; Roundcube development is not Switzerland only
thomascube authored
9 | Copyright (C) 2005-2009, The Roundcube Dev Team |
2471d3a @alecpl - Added possibility to encrypt received header, option 'http_received…
alecpl authored
10 | Licensed under the GNU GPL |
11 | |
12 | PURPOSE: |
13 | Decrypt the encrypted parts of the HTTP Received: headers |
14 | |
15 +-----------------------------------------------------------------------+
16 | Author: Tomas Tevesz <ice@extreme.hu> |
17 +-----------------------------------------------------------------------+
18
19 $Id$
20 */
21
22 /*-
23 * If http_received_header_encrypt is configured, the IP address and the
24 * host name of the added Received: header is encrypted with 3DES, to
25 * protect information that some could consider sensitve, yet their
26 * availability is a must in some circumstances.
27 *
28 * Such an encrypted Received: header might look like:
29 *
30 * Received: from DzgkvJBO5+bw+oje5JACeNIa/uSI4mRw2cy5YoPBba73eyBmjtyHnQ==
31 * [my0nUbjZXKtl7KVBZcsvWOxxtyVFxza4]
32 * with HTTP/1.1 (POST); Thu, 14 May 2009 19:17:28 +0200
33 *
34 * In this example, the two encrypted components are the sender host name
35 * (DzgkvJBO5+bw+oje5JACeNIa/uSI4mRw2cy5YoPBba73eyBmjtyHnQ==) and the IP
36 * address (my0nUbjZXKtl7KVBZcsvWOxxtyVFxza4).
37 *
38 * Using this tool, they can be decrypted into plain text:
39 *
30aa4cc @alecpl - Renamed all php-cli scripts to use .sh extension
alecpl authored
40 * $ bin/decrypt.sh 'my0nUbjZXKtl7KVBZcsvWOxxtyVFxza4' \
2471d3a @alecpl - Added possibility to encrypt received header, option 'http_received…
alecpl authored
41 * > 'DzgkvJBO5+bw+oje5JACeNIa/uSI4mRw2cy5YoPBba73eyBmjtyHnQ=='
42 * 84.3.187.208
43 * 5403BBD0.catv.pool.telekom.hu
44 * $
45 *
46 * Thus it is known that this particular message was sent by 84.3.187.208,
47 * having, at the time of sending, the name of 5403BBD0.catv.pool.telekom.hu.
48 *
49 * If (most likely binary) junk is shown, then
50 * - either the encryption password has, between the time the mail was sent
51 * and `now', changed, or
52 * - you are dealing with counterfeit header data.
53 */
54
55 if (php_sapi_name() != 'cli') {
56 die("Not on the 'shell' (php-cli).\n");
57 }
58
59 define('INSTALL_PATH', realpath(dirname(__FILE__).'/..') . '/');
60 require INSTALL_PATH . 'program/include/iniset.php';
61
62 if ($argc < 2) {
63 die("Usage: " . basename($argv[0]) . " encrypted-hdr-part [encrypted-hdr-part ...]\n");
64 }
65
66 $RCMAIL = rcmail::get_instance();
67
68 for ($i = 1; $i < $argc; $i++) {
69 printf("%s\n", $RCMAIL->decrypt($argv[$i]));
70 };
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