| 1 | <?php |
| 2 | /*************************************************************************** |
| 3 | * Copyright (C) 2003-2010 Polytechnique.org * |
| 4 | * http://opensource.polytechnique.org/ * |
| 5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the Free Software * |
| 18 | * Foundation, Inc., * |
| 19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
| 20 | ***************************************************************************/ |
| 21 | |
| 22 | /****************************************************************************** |
| 23 | * Security functions |
| 24 | *****************************************************************************/ |
| 25 | |
| 26 | function check_ip($level) |
| 27 | { |
| 28 | if (empty($_SERVER['REMOTE_ADDR'])) { |
| 29 | return false; |
| 30 | } |
| 31 | if (empty($_SESSION['check_ip'])) { |
| 32 | $ips = array(); |
| 33 | if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { |
| 34 | $ips = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']); |
| 35 | } |
| 36 | $ips[] = $_SERVER['REMOTE_ADDR']; |
| 37 | foreach ($ips as $key=>$ip) { |
| 38 | $v = ip_to_uint($ip); |
| 39 | if (is_null($v)) { |
| 40 | unset($ips[$key]); |
| 41 | } else { |
| 42 | $ips[$key] = '(ip & mask) = (' . $v . '& mask)'; |
| 43 | } |
| 44 | } |
| 45 | $res = XDB::query('SELECT state, description |
| 46 | FROM ip_watch |
| 47 | WHERE ' . implode(' OR ', $ips) . ' |
| 48 | ORDER BY state DESC'); |
| 49 | if ($res->numRows()) { |
| 50 | $state = $res->fetchOneAssoc(); |
| 51 | $_SESSION['check_ip'] = $state['state']; |
| 52 | $_SESSION['check_ip_desc'] = $state['description']; |
| 53 | } else { |
| 54 | $_SESSION['check_ip'] = 'safe'; |
| 55 | } |
| 56 | } |
| 57 | $test = array(); |
| 58 | switch ($level) { |
| 59 | case 'unsafe': $test[] = 'unsafe'; |
| 60 | case 'dangerous': $test[] = 'dangerous'; |
| 61 | case 'ban': $test[] = 'ban'; break; |
| 62 | default: return false; |
| 63 | } |
| 64 | return in_array($_SESSION['check_ip'], $test); |
| 65 | } |
| 66 | |
| 67 | function check_email($email, $message) |
| 68 | { |
| 69 | $res = XDB::query("SELECT state, description |
| 70 | FROM email_watch |
| 71 | WHERE state != 'safe' AND email = {?}", $email); |
| 72 | if ($res->numRows()) { |
| 73 | send_warning_mail($message); |
| 74 | return true; |
| 75 | } |
| 76 | return false; |
| 77 | } |
| 78 | |
| 79 | function check_account() |
| 80 | { |
| 81 | return S::v('watch_account'); |
| 82 | } |
| 83 | |
| 84 | function check_redirect($red = null) |
| 85 | { |
| 86 | require_once 'emails.inc.php'; |
| 87 | if (is_null($red)) { |
| 88 | $user = S::user(); |
| 89 | $red = new Redirect($user); |
| 90 | } |
| 91 | if ($red->get_uid() == S::v('uid')) { |
| 92 | $_SESSION['no_redirect'] = !$red->other_active(''); |
| 93 | $_SESSION['mx_failures'] = $red->get_broken_mx(); |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | function send_warning_mail($title) |
| 98 | { |
| 99 | global $globals; |
| 100 | $mailer = new PlMailer(); |
| 101 | $mailer->setFrom("webmaster@" . $globals->mail->domain); |
| 102 | $mailer->addTo($globals->core->admin_email); |
| 103 | $mailer->setSubject("[Plat/al Security Alert] $title"); |
| 104 | $mailer->setTxtBody("Identifiants de session :\n" . var_export($_SESSION, true) . "\n\n" |
| 105 | ."Identifiants de connexion :\n" . var_export($_SERVER, true)); |
| 106 | $mailer->send(); |
| 107 | } |
| 108 | |
| 109 | function kill_sessions() |
| 110 | { |
| 111 | assert(S::admin()); |
| 112 | shell_exec('sudo -u root ' . dirname(dirname(__FILE__)) . '/bin/kill_sessions.sh'); |
| 113 | } |
| 114 | |
| 115 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
| 116 | ?> |