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1824 lines
59 KiB
PHP
1824 lines
59 KiB
PHP
<?php
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/**
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* Postfix Admin
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*
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* LICENSE
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* This source file is subject to the GPL license that is bundled with
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* this package in the file LICENSE.TXT.
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*
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* Further details on the project are available at http://postfixadmin.sf.net
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*
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* @version $Id$
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* @license GNU GPL v2 or later.
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*
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* File: functions.inc.php
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* Contains re-usable code.
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*/
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$version = '2.92';
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/**
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* check_session
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* Action: Check if a session already exists, if not redirect to login.php
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* Call: check_session ()
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* @return String username (e.g. foo@example.com)
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*/
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function authentication_get_username() {
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if (defined('POSTFIXADMIN_CLI')) {
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return 'CLI';
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}
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if (defined('POSTFIXADMIN_SETUP')) {
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return 'SETUP.PHP';
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}
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if (!isset($_SESSION['sessid'])) {
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header ("Location: login.php");
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exit(0);
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}
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$SESSID_USERNAME = $_SESSION['sessid']['username'];
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return $SESSID_USERNAME;
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}
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/**
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* Returns the type of user - either 'user' or 'admin'
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* Returns false if neither (E.g. if not logged in)
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* @return String admin or user or (boolean) false.
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*/
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function authentication_get_usertype() {
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if(isset($_SESSION['sessid'])) {
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if(isset($_SESSION['sessid']['type'])) {
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return $_SESSION['sessid']['type'];
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}
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}
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return false;
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}
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/**
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*
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* Used to determine whether a user has a particular role.
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* @param String role-name. (E.g. admin, global-admin or user)
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* @return boolean True if they have the requested role in their session.
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* Note, user < admin < global-admin
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*/
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function authentication_has_role($role) {
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if(isset($_SESSION['sessid'])) {
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if(isset($_SESSION['sessid']['roles'])) {
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if(in_array($role, $_SESSION['sessid']['roles'])) {
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return true;
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}
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}
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}
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return false;
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}
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/**
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* Used to enforce that $user has a particular role when
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* viewing a page.
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* If they are lacking a role, redirect them to login.php
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*
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* Note, user < admin < global-admin
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*/
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function authentication_require_role($role) {
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// redirect to appropriate page?
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if(authentication_has_role($role)) {
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return True;
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}
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header("Location: login.php");
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exit(0);
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}
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/**
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* Add an error message for display on the next page that is rendered.
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* @param String/Array message(s) to show.
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*
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* Stores string in session. Flushed through header template.
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* @see _flash_string()
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*/
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function flash_error($string) {
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_flash_string('error', $string);
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}
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/**
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* Used to display an info message on successful update.
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* @param String/Array message(s) to show.
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* Stores data in session.
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* @see _flash_string()
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*/
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function flash_info($string) {
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_flash_string('info', $string);
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}
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/**
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* 'Private' method used for flash_info() and flash_error().
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*/
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function _flash_string($type, $string) {
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if (is_array($string)) {
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foreach ($string as $singlestring) {
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_flash_string($type, $singlestring);
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}
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return;
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}
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if(!isset($_SESSION['flash'])) {
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$_SESSION['flash'] = array();
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}
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if(!isset($_SESSION['flash'][$type])) {
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$_SESSION['flash'][$type] = array();
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}
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$_SESSION['flash'][$type][] = $string;
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}
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//
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// check_language
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// Action: checks what language the browser uses
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// Call: check_language
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// Parameter: $use_post - set to 0 if $_POST should NOT be read
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//
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function check_language ($use_post = 1) {
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global $supported_languages; # from languages/languages.php
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$lang = Config::read('default_language');
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if(isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
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$lang_array = preg_split ('/(\s*,\s*)/', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
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if (safecookie('lang')) {
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array_unshift($lang_array, safecookie('lang')); # prefer language from cookie
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}
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if ( $use_post && safepost('lang')) {
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array_unshift($lang_array, safepost('lang')); # but prefer $_POST['lang'] even more
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}
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for($i = 0; $i < count($lang_array); $i++) {
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$lang_next = $lang_array[$i];
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$lang_next = strtolower(trim($lang_next));
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$lang_next = preg_replace('/;.*$/', '', $lang_next); # remove things like ";q=0.8"
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if(array_key_exists($lang_next, $supported_languages)) {
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$lang = $lang_next;
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break;
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}
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}
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}
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return $lang;
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}
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//
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// language_selector
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// Action: returns a language selector dropdown with the browser (or cookie) language preselected
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// Call: language_selector()
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//
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function language_selector() {
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global $supported_languages; # from languages/languages.php
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$current_lang = check_language();
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$selector = '<select name="lang" xml:lang="en" dir="ltr">';
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foreach($supported_languages as $lang => $lang_name) {
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if ($lang == $current_lang) {
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$selected = ' selected="selected"';
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} else {
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$selected = '';
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}
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$selector .= "<option value='$lang'$selected>$lang_name</option>";
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}
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$selector .= "</select>";
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return $selector;
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}
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/**
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* Checks if a domain is valid
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* @param string $domain
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* @return empty string if the domain is valid, otherwise string with the errormessage
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*
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* TODO: make check_domain able to handle as example .local domains
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* TODO: skip DNS check if the domain exists in PostfixAdmin?
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*/
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function check_domain ($domain) {
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if (!preg_match ('/^([-0-9A-Z]+\.)+' . '([0-9A-Z]){2,13}$/i', ($domain))) {
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return sprintf(Config::lang('pInvalidDomainRegex'), htmlentities($domain));
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}
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if (Config::bool('emailcheck_resolve_domain') && 'WINDOWS'!=(strtoupper(substr(php_uname('s'), 0, 7)))) {
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// Look for an AAAA, A, or MX record for the domain
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if(function_exists('checkdnsrr')) {
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// AAAA (IPv6) is only available in PHP v. >= 5
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if (version_compare(phpversion(), "5.0.0", ">=")) {
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if (checkdnsrr($domain,'AAAA')) return '';
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}
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if (checkdnsrr($domain,'A')) return '';
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if (checkdnsrr($domain,'MX')) return '';
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return sprintf(Config::lang('pInvalidDomainDNS'), htmlentities($domain));
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} else {
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return 'emailcheck_resolve_domain is enabled, but function (checkdnsrr) missing!';
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}
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}
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return '';
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}
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/**
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* check_email
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* Checks if an email is valid - if it is, return true, else false.
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* @param String $email - a string that may be an email address.
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* @return empty string if it's a valid email address, otherwise string with the errormessage
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* TODO: make check_email able to handle already added domains
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*/
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function check_email ($email) {
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$ce_email=$email;
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//strip the vacation domain out if we are using it
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//and change from blah#foo.com@autoreply.foo.com to blah@foo.com
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if (Config::bool('vacation')) {
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$vacation_domain = Config::read('vacation_domain');
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$ce_email = preg_replace("/@$vacation_domain\$/", '', $ce_email);
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$ce_email = preg_replace("/#/", '@', $ce_email);
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}
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// Perform non-domain-part sanity checks
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if (!preg_match ('/^[-!#$%&\'*+\\.\/0-9=?A-Z^_{|}~]+' . '@' . '[^@]+$/i', $ce_email)) {
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return Config::lang_f('pInvalidMailRegex', $email);
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}
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// Determine domain name
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$matches=array();
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if (!preg_match('|@(.+)$|',$ce_email,$matches)) {
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return Config::lang_f('pInvalidMailRegex', $email);
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}
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$domain=$matches[1];
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# check domain name
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return check_domain($domain);
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}
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/**
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* Clean a string, escaping any meta characters that could be
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* used to disrupt an SQL string. i.e. "'" => "\'" etc.
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*
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* @param String (or Array)
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* @return String (or Array) of cleaned data, suitable for use within an SQL
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* statement.
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*/
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function escape_string ($string) {
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global $CONF;
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// if the string is actually an array, do a recursive cleaning.
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// Note, the array keys are not cleaned.
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if(is_array($string)) {
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$clean = array();
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foreach(array_keys($string) as $row) {
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$clean[$row] = escape_string($string[$row]);
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}
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return $clean;
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}
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if (get_magic_quotes_gpc ()) {
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$string = stripslashes($string);
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}
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if (!is_numeric($string)) {
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$link = db_connect();
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if ($CONF['database_type'] == "mysql") {
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$escaped_string = mysql_real_escape_string($string, $link);
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}
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if ($CONF['database_type'] == "mysqli") {
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$escaped_string = mysqli_real_escape_string($link, $string);
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}
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if (db_pgsql()) {
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// php 5.2+ allows for $link to be specified.
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if (version_compare(phpversion(), "5.2.0", ">=")) {
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$escaped_string = pg_escape_string($link, $string);
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} else {
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$escaped_string = pg_escape_string($string);
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}
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}
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} else {
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$escaped_string = $string;
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}
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return $escaped_string;
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}
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/**
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* safeget
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* Action: get value from $_GET[$param], or $default if $_GET[$param] is not set
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* Call: $param = safeget('param') # replaces $param = $_GET['param']
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* - or -
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* $param = safeget('param', 'default')
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*
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* @param String parameter name.
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* @param String (optional) - default value if key is not set.
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* @return String
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*/
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function safeget ($param, $default="") {
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$retval=$default;
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if (isset($_GET[$param])) $retval=$_GET[$param];
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return $retval;
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}
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/**
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* safepost - similar to safeget()
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* @see safeget()
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* @param String parameter name
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* @param String (optional) default value (defaults to "")
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* @return String - value in $_POST[$param] or $default
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* same as safeget, but for $_POST
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*/
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function safepost ($param, $default="") {
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$retval=$default;
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if (isset($_POST[$param])) $retval=$_POST[$param];
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return $retval;
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}
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/**
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* safeserver
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* @see safeget()
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* @param String $param
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* @param String $default (optional)
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* @return String value from $_SERVER[$param] or $default
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*/
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function safeserver ($param, $default="") {
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$retval=$default;
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if (isset($_SERVER[$param])) $retval=$_SERVER[$param];
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return $retval;
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}
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/**
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* safecookie
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* @see safeget()
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* @param String $param
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* @param String $default (optional)
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* @return String value from $_COOKIE[$param] or $default
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*/
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function safecookie ($param, $default="") {
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$retval=$default;
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if (isset($_COOKIE[$param])) $retval=$_COOKIE[$param];
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return $retval;
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}
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/**
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* safesession
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* @see safeget()
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* @param String $param
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* @param String $default (optional)
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* @return String value from $_SESSION[$param] or $default
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*/
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function safesession ($param, $default="") {
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$retval=$default;
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if (isset($_SESSION[$param])) $retval=$_SESSION[$param];
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return $retval;
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}
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/**
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* pacol
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* @param int $allow_editing
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* @param int $display_in_form
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* @param int display_in_list
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* @param String $type
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* @param String PALANG_label
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* @param String PALANG_desc
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* @param any optional $default
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* @param array optional $options
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* @param int or $not_in_db - if array, can contain the remaining parameters as associated array
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* @param ...
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* @return array for $struct
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*/
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function pacol($allow_editing, $display_in_form, $display_in_list, $type, $PALANG_label, $PALANG_desc, $default = "", $options = array(), $multiopt=0, $dont_write_to_db=0, $select="", $extrafrom="", $linkto="") {
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if ($PALANG_label != '') $PALANG_label = Config::lang($PALANG_label);
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if ($PALANG_desc != '') $PALANG_desc = Config::lang($PALANG_desc );
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if (is_array($multiopt)) { # remaining parameters provided in named array
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$not_in_db = 0; # keep default value
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foreach ($multiopt as $key => $value) {
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$$key = $value; # extract everything to the matching variable
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}
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} else {
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$not_in_db = $multiopt;
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}
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return array(
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'editable' => $allow_editing,
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'display_in_form' => $display_in_form,
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'display_in_list' => $display_in_list,
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'type' => $type,
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'label' => $PALANG_label, # $PALANG field label
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'desc' => $PALANG_desc, # $PALANG field description
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'default' => $default,
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'options' => $options,
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'not_in_db' => $not_in_db,
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'dont_write_to_db' => $dont_write_to_db,
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'select' => $select, # replaces the field name after SELECT
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'extrafrom' => $extrafrom, # added after FROM xy - useful for JOINs etc.
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'linkto' => $linkto, # make the value a link - %s will be replaced with the ID
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);
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}
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//
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// get_domain_properties
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// Action: Get all the properties of a domain.
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// Call: get_domain_properties (string domain)
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//
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function get_domain_properties ($domain) {
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$handler = new DomainHandler();
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if (!$handler->init($domain)) {
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die("Error: " . join("\n", $handler->errormsg));
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}
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if (!$handler->view()) {
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die("Error: " . join("\n", $handler->errormsg));
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}
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$result = $handler->result();
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return $result;
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}
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/**
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* create_page_browser
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* Action: Get page browser for a long list of mailboxes, aliases etc.
|
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* Call: $pagebrowser = create_page_browser('table.field', 'query', 50) # replaces $param = $_GET['param']
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*
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* @param String idxfield - database field name to use as title
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* @param String query - core part of the query (starting at "FROM")
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* @return String
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*/
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function create_page_browser($idxfield, $querypart) {
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global $CONF;
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$page_size = (int) $CONF['page_size'];
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$label_len = 2;
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$pagebrowser = array();
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|
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if ($page_size < 2) { # will break the page browser
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die('$CONF[\'page_size\'] must be 2 or more!');
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}
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|
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# get number of rows
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$query = "SELECT count(*) as counter FROM (SELECT $idxfield $querypart) AS tmp";
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$result = db_query ($query);
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if ($result['rows'] > 0) {
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$row = db_array ($result['result']);
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$count_results = $row['counter'] -1; # we start counting at 0, not 1
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}
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# echo "<p>rows: " . ($count_results +1) . " --- $query";
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|
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if ($count_results < $page_size) {
|
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return array(); # only one page - no pagebrowser required
|
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}
|
|
|
|
# init row counter
|
|
$initcount = "SET @row=-1";
|
|
if (db_pgsql()) {
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$initcount = "CREATE TEMPORARY SEQUENCE rowcount MINVALUE 0";
|
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}
|
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$result = db_query($initcount);
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|
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# get labels for relevant rows (first and last of each page)
|
|
$page_size_zerobase = $page_size - 1;
|
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$query = "
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SELECT * FROM (
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SELECT $idxfield AS label, @row := @row + 1 AS row $querypart
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) idx WHERE MOD(idx.row, $page_size) IN (0,$page_size_zerobase) OR idx.row = $count_results
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";
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|
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if (db_pgsql()) {
|
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$query = "
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SELECT * FROM (
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SELECT $idxfield AS label, nextval('rowcount') AS row $querypart
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) idx WHERE MOD(idx.row, $page_size) IN (0,$page_size_zerobase) OR idx.row = $count_results
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";
|
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}
|
|
# echo "<p>$query";
|
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|
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# TODO: $query is MySQL-specific
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|
|
# PostgreSQL:
|
|
# http://www.postgresql.org/docs/8.1/static/sql-createsequence.html
|
|
# http://www.postgresonline.com/journal/archives/79-Simulating-Row-Number-in-PostgreSQL-Pre-8.4.html
|
|
# http://www.pg-forum.de/sql/1518-nummerierung-der-abfrageergebnisse.html
|
|
# CREATE TEMPORARY SEQUENCE foo MINVALUE 0 MAXVALUE $page_size_zerobase CYCLE
|
|
# afterwards: DROP SEQUENCE foo
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|
|
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$result = db_query ($query);
|
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if ($result['rows'] > 0) {
|
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while ($row = db_array ($result['result'])) {
|
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if ($row2 = db_array ($result['result'])) {
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$label = substr($row['label'],0,$label_len) . '-' . substr($row2['label'],0,$label_len);
|
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$pagebrowser[] = $label;
|
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} else { # only one row remaining
|
|
$label = substr($row['label'],0,$label_len);
|
|
$pagebrowser[] = $label;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (db_pgsql()) {
|
|
db_query ("DROP SEQUENCE rowcount");
|
|
}
|
|
|
|
return $pagebrowser;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//
|
|
// divide_quota
|
|
// Action: Recalculates the quota from MBs to bytes (divide, /)
|
|
// Call: divide_quota (string $quota)
|
|
//
|
|
function divide_quota ($quota) {
|
|
if ($quota == -1) return $quota;
|
|
$value = round($quota / Config::read('quota_multiplier'),2);
|
|
return $value;
|
|
}
|
|
|
|
|
|
|
|
//
|
|
// check_owner
|
|
// Action: Checks if the admin is the owner of the domain (or global-admin)
|
|
// Call: check_owner (string admin, string domain)
|
|
//
|
|
function check_owner ($username, $domain) {
|
|
$table_domain_admins = table_by_key('domain_admins');
|
|
$E_username = escape_string($username);
|
|
$E_domain = escape_string($domain);
|
|
$result = db_query ("SELECT 1 FROM $table_domain_admins WHERE username='$E_username' AND (domain='$E_domain' OR domain='ALL') AND active='1'");
|
|
|
|
if ($result['rows'] == 1 || $result['rows'] == 2) { # "ALL" + specific domain permissions is possible
|
|
# TODO: if superadmin, check if given domain exists in the database
|
|
return true;
|
|
} else {
|
|
if ($result['rows'] > 2) { # more than 2 results means something really strange happened...
|
|
flash_error("Permission check returned multiple results. Please go to 'edit admin' for your username and press the save "
|
|
. "button once to fix the database. If this doesn't help, open a bugreport.");
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//
|
|
// check_alias_owner
|
|
// Action: Checks if the admin is the owner of the alias.
|
|
// Call: check_alias_owner (string admin, string alias)
|
|
//
|
|
function check_alias_owner ($username, $alias) {
|
|
global $CONF;
|
|
if (authentication_has_role('global-admin')) return true;
|
|
$tmp = preg_split('/\@/', $alias);
|
|
if (($CONF['special_alias_control'] == 'NO') && array_key_exists($tmp[0], $CONF['default_aliases'])) {
|
|
return false;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* List domains for an admin user.
|
|
* @param String $username
|
|
* @return array of domain names.
|
|
*/
|
|
function list_domains_for_admin ($username) {
|
|
$table_domain = table_by_key('domain');
|
|
$table_domain_admins = table_by_key('domain_admins');
|
|
|
|
$E_username = escape_string($username);
|
|
|
|
$query = "SELECT $table_domain.domain FROM $table_domain ";
|
|
$condition[] = "$table_domain.domain != 'ALL'";
|
|
|
|
$result = db_query ("SELECT username FROM $table_domain_admins WHERE username='$E_username' AND domain='ALL'");
|
|
if ($result['rows'] < 1) { # not a superadmin
|
|
$query .= " LEFT JOIN $table_domain_admins ON $table_domain.domain=$table_domain_admins.domain ";
|
|
$condition[] = "$table_domain_admins.username='$E_username' ";
|
|
$condition[] = "$table_domain.active='" . db_get_boolean(true) . "'"; # TODO: does it really make sense to exclude inactive...
|
|
$condition[] = "$table_domain.backupmx='" . db_get_boolean(False) . "'"; # TODO: ... and backupmx domains for non-superadmins?
|
|
}
|
|
|
|
$query .= " WHERE " . join(' AND ', $condition);
|
|
$query .= " ORDER BY $table_domain.domain";
|
|
|
|
$list = array ();
|
|
$result = db_query ($query);
|
|
if ($result['rows'] > 0) {
|
|
$i = 0;
|
|
while ($row = db_array ($result['result'])) {
|
|
$list[$i] = $row['domain'];
|
|
$i++;
|
|
}
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
|
|
|
|
//
|
|
// list_domains
|
|
// Action: List all available domains.
|
|
// Call: list_domains ()
|
|
//
|
|
function list_domains () {
|
|
$list = array();
|
|
|
|
$table_domain = table_by_key('domain');
|
|
$result = db_query ("SELECT domain FROM $table_domain WHERE domain!='ALL' ORDER BY domain");
|
|
if ($result['rows'] > 0) {
|
|
$i = 0;
|
|
while ($row = db_array ($result['result'])) {
|
|
$list[$i] = $row['domain'];
|
|
$i++;
|
|
}
|
|
}
|
|
return $list;
|
|
}
|
|
|
|
|
|
|
|
|
|
//
|
|
// list_admins
|
|
// Action: Lists all the admins
|
|
// Call: list_admins ()
|
|
//
|
|
// was admin_list_admins
|
|
//
|
|
function list_admins () {
|
|
$handler = new AdminHandler();
|
|
|
|
$handler->getList('');
|
|
return $handler->result();
|
|
}
|
|
|
|
|
|
|
|
//
|
|
// encode_header
|
|
// Action: Encode a string according to RFC 1522 for use in headers if it contains 8-bit characters.
|
|
// Call: encode_header (string header, string charset)
|
|
//
|
|
function encode_header ($string, $default_charset = "utf-8") {
|
|
if (strtolower ($default_charset) == 'iso-8859-1') {
|
|
$string = str_replace ("\240",' ',$string);
|
|
}
|
|
|
|
$j = strlen ($string);
|
|
$max_l = 75 - strlen ($default_charset) - 7;
|
|
$aRet = array ();
|
|
$ret = '';
|
|
$iEncStart = $enc_init = false;
|
|
$cur_l = $iOffset = 0;
|
|
|
|
for ($i = 0; $i < $j; ++$i) {
|
|
switch ($string{$i}) {
|
|
case '=':
|
|
case '<':
|
|
case '>':
|
|
case ',':
|
|
case '?':
|
|
case '_':
|
|
if ($iEncStart === false) {
|
|
$iEncStart = $i;
|
|
}
|
|
$cur_l+=3;
|
|
if ($cur_l > ($max_l-2)) {
|
|
$aRet[] = substr ($string,$iOffset,$iEncStart-$iOffset);
|
|
$aRet[] = "=?$default_charset?Q?$ret?=";
|
|
$iOffset = $i;
|
|
$cur_l = 0;
|
|
$ret = '';
|
|
$iEncStart = false;
|
|
} else {
|
|
$ret .= sprintf ("=%02X",ord($string{$i}));
|
|
}
|
|
break;
|
|
case '(':
|
|
case ')':
|
|
if ($iEncStart !== false) {
|
|
$aRet[] = substr ($string,$iOffset,$iEncStart-$iOffset);
|
|
$aRet[] = "=?$default_charset?Q?$ret?=";
|
|
$iOffset = $i;
|
|
$cur_l = 0;
|
|
$ret = '';
|
|
$iEncStart = false;
|
|
}
|
|
break;
|
|
case ' ':
|
|
if ($iEncStart !== false) {
|
|
$cur_l++;
|
|
if ($cur_l > $max_l) {
|
|
$aRet[] = substr ($string,$iOffset,$iEncStart-$iOffset);
|
|
$aRet[] = "=?$default_charset?Q?$ret?=";
|
|
$iOffset = $i;
|
|
$cur_l = 0;
|
|
$ret = '';
|
|
$iEncStart = false;
|
|
} else {
|
|
$ret .= '_';
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
$k = ord ($string{$i});
|
|
if ($k > 126) {
|
|
if ($iEncStart === false) {
|
|
// do not start encoding in the middle of a string, also take the rest of the word.
|
|
$sLeadString = substr ($string,0,$i);
|
|
$aLeadString = explode (' ',$sLeadString);
|
|
$sToBeEncoded = array_pop ($aLeadString);
|
|
$iEncStart = $i - strlen ($sToBeEncoded);
|
|
$ret .= $sToBeEncoded;
|
|
$cur_l += strlen ($sToBeEncoded);
|
|
}
|
|
$cur_l += 3;
|
|
// first we add the encoded string that reached it's max size
|
|
if ($cur_l > ($max_l-2)) {
|
|
$aRet[] = substr ($string,$iOffset,$iEncStart-$iOffset);
|
|
$aRet[] = "=?$default_charset?Q?$ret?= ";
|
|
$cur_l = 3;
|
|
$ret = '';
|
|
$iOffset = $i;
|
|
$iEncStart = $i;
|
|
}
|
|
$enc_init = true;
|
|
$ret .= sprintf ("=%02X", $k);
|
|
} else {
|
|
if ($iEncStart !== false) {
|
|
$cur_l++;
|
|
if ($cur_l > $max_l) {
|
|
$aRet[] = substr ($string,$iOffset,$iEncStart-$iOffset);
|
|
$aRet[] = "=?$default_charset?Q?$ret?=";
|
|
$iEncStart = false;
|
|
$iOffset = $i;
|
|
$cur_l = 0;
|
|
$ret = '';
|
|
} else {
|
|
$ret .= $string{$i};
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
# end switch
|
|
}
|
|
}
|
|
if ($enc_init) {
|
|
if ($iEncStart !== false) {
|
|
$aRet[] = substr ($string,$iOffset,$iEncStart-$iOffset);
|
|
$aRet[] = "=?$default_charset?Q?$ret?=";
|
|
} else {
|
|
$aRet[] = substr ($string,$iOffset);
|
|
}
|
|
$string = implode ('',$aRet);
|
|
}
|
|
return $string;
|
|
}
|
|
|
|
|
|
|
|
//
|
|
// generate_password
|
|
// Action: Generates a random password
|
|
// Call: generate_password ()
|
|
//
|
|
function generate_password () {
|
|
// length of the generated password
|
|
$length = 8;
|
|
|
|
// define possible characters
|
|
$possible = "2345678923456789abcdefghijkmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ"; # skip 0 and 1 to avoid confusion with O and l
|
|
|
|
// add random characters to $password until $length is reached
|
|
$password = "";
|
|
while (strlen($password) < $length) {
|
|
// pick a random character from the possible ones
|
|
$char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
|
|
|
|
// we don't want this character if it's already in the password
|
|
if (!strstr($password, $char)) {
|
|
$password .= $char;
|
|
}
|
|
}
|
|
|
|
return $password;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Check if a password is strong enough based on the conditions in $CONF['password_validation']
|
|
* @param String $password
|
|
* @return array of error messages, or empty array if the password is ok
|
|
*/
|
|
function validate_password($password) {
|
|
$val_conf = Config::read('password_validation');
|
|
$result = array();
|
|
|
|
$minlen = (int) Config::read('min_password_length'); # used up to 2.3.x - check it for backward compatibility
|
|
if ($minlen > 0) {
|
|
$val_conf['/.{' . $minlen . '}/'] = "password_too_short $minlen";
|
|
}
|
|
|
|
foreach ($val_conf as $regex => $message) {
|
|
if (!preg_match($regex, $password)) {
|
|
$msgparts = preg_split("/ /", $message, 2);
|
|
if (count($msgparts) == 1) {
|
|
$result[] = Config::lang($msgparts[0]);
|
|
} else {
|
|
$result[] = sprintf(Config::lang($msgparts[0]), $msgparts[1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Encrypt a password, using the apparopriate hashing mechanism as defined in
|
|
* config.inc.php ($CONF['encrypt']).
|
|
* When wanting to compare one pw to another, it's necessary to provide the salt used - hence
|
|
* the second parameter ($pw_db), which is the existing hash from the DB.
|
|
*
|
|
* @param string $pw
|
|
* @param string $encrypted password
|
|
* @return string encrypted password.
|
|
*/
|
|
function pacrypt ($pw, $pw_db="") {
|
|
global $CONF;
|
|
$pw = stripslashes($pw);
|
|
$password = "";
|
|
$salt = "";
|
|
|
|
if ($CONF['encrypt'] == 'md5crypt') {
|
|
$split_salt = preg_split ('/\$/', $pw_db);
|
|
if (isset ($split_salt[2])) {
|
|
$salt = $split_salt[2];
|
|
}
|
|
$password = md5crypt ($pw, $salt);
|
|
}
|
|
|
|
elseif ($CONF['encrypt'] == 'md5') {
|
|
$password = md5($pw);
|
|
}
|
|
|
|
elseif ($CONF['encrypt'] == 'system') {
|
|
if ($pw_db) {
|
|
$password = crypt($pw, $pw_db);
|
|
} else {
|
|
$password = crypt($pw);
|
|
}
|
|
}
|
|
|
|
elseif ($CONF['encrypt'] == 'cleartext') {
|
|
$password = $pw;
|
|
}
|
|
|
|
// See https://sourceforge.net/tracker/?func=detail&atid=937966&aid=1793352&group_id=191583
|
|
// this is apparently useful for pam_mysql etc.
|
|
elseif ($CONF['encrypt'] == 'mysql_encrypt') {
|
|
$pw = escape_string($pw);
|
|
if ($pw_db!="") {
|
|
$salt=escape_string(substr($pw_db,0,2));
|
|
$res=db_query("SELECT ENCRYPT('".$pw."','".$salt."');");
|
|
} else {
|
|
$res=db_query("SELECT ENCRYPT('".$pw."');");
|
|
}
|
|
$l = db_row($res["result"]);
|
|
$password = $l[0];
|
|
}
|
|
|
|
elseif ($CONF['encrypt'] == 'authlib') {
|
|
$flavor = $CONF['authlib_default_flavor'];
|
|
$salt = substr(create_salt(), 0, 2); # courier-authlib supports only two-character salts
|
|
if(preg_match('/^{.*}/', $pw_db)) {
|
|
// we have a flavor in the db -> use it instead of default flavor
|
|
$result = preg_split('/[{}]/', $pw_db, 3); # split at { and/or }
|
|
$flavor = $result[1];
|
|
$salt = substr($result[2], 0, 2);
|
|
}
|
|
|
|
if(stripos($flavor, 'md5raw') === 0) {
|
|
$password = '{' . $flavor . '}' . md5($pw);
|
|
} elseif(stripos($flavor, 'md5') === 0) {
|
|
$password = '{' . $flavor . '}' . base64_encode(md5($pw, TRUE));
|
|
} elseif(stripos($flavor, 'crypt') === 0) {
|
|
$password = '{' . $flavor . '}' . crypt($pw, $salt);
|
|
} elseif(stripos($flavor, 'SHA') === 0) {
|
|
$password = '{' . $flavor . '}' . base64_encode(sha1($pw, TRUE));
|
|
} else {
|
|
die("authlib_default_flavor '" . $flavor . "' unknown. Valid flavors are 'md5raw', 'md5', 'SHA' and 'crypt'");
|
|
}
|
|
}
|
|
|
|
elseif (preg_match("/^dovecot:/", $CONF['encrypt'])) {
|
|
$split_method = preg_split ('/:/', $CONF['encrypt']);
|
|
$method = strtoupper($split_method[1]); # TODO: if $pw_db starts with {method}, change $method accordingly
|
|
if (! preg_match("/^[A-Z0-9.-]+$/", $method)) { die("invalid dovecot encryption method"); } # TODO: check against a fixed list?
|
|
# if (strtolower($method) == 'md5-crypt') die("\$CONF['encrypt'] = 'dovecot:md5-crypt' will not work because dovecotpw generates a random salt each time. Please use \$CONF['encrypt'] = 'md5crypt' instead.");
|
|
# $crypt_method = preg_match ("/.*-CRYPT$/", $method);
|
|
|
|
# digest-md5 and SCRAM-SHA-1 hashes include the username - until someone implements it, let's declare it as unsupported
|
|
if (strtolower($method) == 'digest-md5') die("Sorry, \$CONF['encrypt'] = 'dovecot:digest-md5' is not supported by PostfixAdmin.");
|
|
if (strtoupper($method) == 'SCRAM-SHA-1') die("Sorry, \$CONF['encrypt'] = 'dovecot:scram-sha-1' is not supported by PostfixAdmin.");
|
|
# TODO: add -u option for those hashes, or for everything that is salted (-u was available before dovecot 2.1 -> no problem with backward compability)
|
|
|
|
$dovecotpw = "doveadm pw";
|
|
if (!empty($CONF['dovecotpw'])) $dovecotpw = $CONF['dovecotpw'];
|
|
|
|
# Use proc_open call to avoid safe_mode problems and to prevent showing plain password in process table
|
|
$spec = array(
|
|
0 => array("pipe", "r"), // stdin
|
|
1 => array("pipe", "w"), // stdout
|
|
2 => array("pipe", "w"), // stderr
|
|
);
|
|
|
|
$nonsaltedtypes = "SHA|SHA1|SHA256|SHA512|CLEAR|CLEARTEXT|PLAIN|PLAIN-TRUNC|CRAM-MD5|HMAC-MD5|PLAIN-MD4|PLAIN-MD5|LDAP-MD5|LANMAN|NTLM|RPA";
|
|
$salted = ! preg_match("/^($nonsaltedtypes)(\.B64|\.BASE64|\.HEX)?$/", strtoupper($method) );
|
|
|
|
$dovepasstest = '';
|
|
if ( $salted && (!empty($pw_db)) ) {
|
|
# only use -t for salted passwords to be backward compatible with dovecot < 2.1
|
|
$dovepasstest = " -t " . escapeshellarg($pw_db);
|
|
}
|
|
$pipe = proc_open("$dovecotpw '-s' $method$dovepasstest", $spec, $pipes);
|
|
|
|
if (!$pipe) {
|
|
die("can't proc_open $dovecotpw");
|
|
} else {
|
|
// use dovecot's stdin, it uses getpass() twice (except when using -t)
|
|
// Write pass in pipe stdin
|
|
if (empty($dovepasstest)) {
|
|
fwrite($pipes[0], $pw . "\n", 1+strlen($pw)); usleep(1000);
|
|
}
|
|
fwrite($pipes[0], $pw . "\n", 1+strlen($pw));
|
|
fclose($pipes[0]);
|
|
|
|
// Read hash from pipe stdout
|
|
$password = fread($pipes[1], "200");
|
|
|
|
if (empty($dovepasstest)) {
|
|
if ( !preg_match('/^\{' . $method . '\}/', $password)) {
|
|
$stderr_output = stream_get_contents($pipes[2]);
|
|
error_log('dovecotpw password encryption failed.');
|
|
error_log('STDERR output: ' . $stderr_output);
|
|
die("can't encrypt password with dovecotpw, see error log for details");
|
|
}
|
|
} else {
|
|
if ( !preg_match('(verified)', $password)) {
|
|
$password="Thepasswordcannotbeverified";
|
|
} else {
|
|
$password = rtrim(str_replace('(verified)', '', $password));
|
|
}
|
|
}
|
|
|
|
fclose($pipes[1]);
|
|
fclose($pipes[2]);
|
|
proc_close($pipe);
|
|
|
|
if ( (!empty($pw_db)) && (substr($pw_db,0,1) != '{') ) {
|
|
# for backward compability with "old" dovecot passwords that don't have the {method} prefix
|
|
$password = str_replace('{' . $method . '}', '', $password);
|
|
}
|
|
|
|
$password = rtrim($password);
|
|
}
|
|
}
|
|
|
|
else {
|
|
die ('unknown/invalid $CONF["encrypt"] setting: ' . $CONF['encrypt']);
|
|
}
|
|
|
|
return $password;
|
|
}
|
|
|
|
//
|
|
// md5crypt
|
|
// Action: Creates MD5 encrypted password
|
|
// Call: md5crypt (string cleartextpassword)
|
|
//
|
|
|
|
function md5crypt ($pw, $salt="", $magic="") {
|
|
$MAGIC = "$1$";
|
|
|
|
if ($magic == "") $magic = $MAGIC;
|
|
if ($salt == "") $salt = create_salt ();
|
|
$slist = explode ("$", $salt);
|
|
if ($slist[0] == "1") $salt = $slist[1];
|
|
|
|
$salt = substr ($salt, 0, 8);
|
|
$ctx = $pw . $magic . $salt;
|
|
$final = hex2bin (md5 ($pw . $salt . $pw));
|
|
|
|
for ($i=strlen ($pw); $i>0; $i-=16) {
|
|
if ($i > 16) {
|
|
$ctx .= substr ($final,0,16);
|
|
} else {
|
|
$ctx .= substr ($final,0,$i);
|
|
}
|
|
}
|
|
$i = strlen ($pw);
|
|
|
|
while ($i > 0) {
|
|
if ($i & 1) $ctx .= chr (0);
|
|
else $ctx .= $pw[0];
|
|
$i = $i >> 1;
|
|
}
|
|
$final = hex2bin (md5 ($ctx));
|
|
|
|
for ($i=0;$i<1000;$i++) {
|
|
$ctx1 = "";
|
|
if ($i & 1) {
|
|
$ctx1 .= $pw;
|
|
} else {
|
|
$ctx1 .= substr ($final,0,16);
|
|
}
|
|
if ($i % 3) $ctx1 .= $salt;
|
|
if ($i % 7) $ctx1 .= $pw;
|
|
if ($i & 1) {
|
|
$ctx1 .= substr ($final,0,16);
|
|
} else {
|
|
$ctx1 .= $pw;
|
|
}
|
|
$final = hex2bin (md5 ($ctx1));
|
|
}
|
|
$passwd = "";
|
|
$passwd .= to64 (((ord ($final[0]) << 16) | (ord ($final[6]) << 8) | (ord ($final[12]))), 4);
|
|
$passwd .= to64 (((ord ($final[1]) << 16) | (ord ($final[7]) << 8) | (ord ($final[13]))), 4);
|
|
$passwd .= to64 (((ord ($final[2]) << 16) | (ord ($final[8]) << 8) | (ord ($final[14]))), 4);
|
|
$passwd .= to64 (((ord ($final[3]) << 16) | (ord ($final[9]) << 8) | (ord ($final[15]))), 4);
|
|
$passwd .= to64 (((ord ($final[4]) << 16) | (ord ($final[10]) << 8) | (ord ($final[5]))), 4);
|
|
$passwd .= to64 (ord ($final[11]), 2);
|
|
return "$magic$salt\$$passwd";
|
|
}
|
|
|
|
function create_salt () {
|
|
srand ((double) microtime ()*1000000);
|
|
$salt = substr (md5 (rand (0,9999999)), 0, 8);
|
|
return $salt;
|
|
}
|
|
|
|
/**/ if (!function_exists('hex2bin')) { # PHP around 5.3.8 includes hex2bin as native function - http://php.net/hex2bin
|
|
function hex2bin ($str) {
|
|
$len = strlen ($str);
|
|
$nstr = "";
|
|
for ($i=0;$i<$len;$i+=2) {
|
|
$num = sscanf (substr ($str,$i,2), "%x");
|
|
$nstr.=chr ($num[0]);
|
|
}
|
|
return $nstr;
|
|
}
|
|
/**/ }
|
|
|
|
/*
|
|
* remove item $item from array $array
|
|
*/
|
|
function remove_from_array($array, $item) {
|
|
# array_diff might be faster, but doesn't provide an easy way to know if the value was found or not
|
|
# return array_diff($array, array($item));
|
|
$ret = array_search($item, $array);
|
|
if ($ret === false) {
|
|
$found = 0;
|
|
} else {
|
|
$found = 1;
|
|
unset ($array[$ret]);
|
|
}
|
|
return array($found, $array);
|
|
}
|
|
|
|
function to64 ($v, $n) {
|
|
$ITOA64 = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
|
|
$ret = "";
|
|
while (($n - 1) >= 0) {
|
|
$n--;
|
|
$ret .= $ITOA64[$v & 0x3f];
|
|
$v = $v >> 6;
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* smtp_mail
|
|
* Action: Send email
|
|
* Call: smtp_mail (string to, string from, string subject, string body]) - or -
|
|
* Call: smtp_mail (string to, string from, string data) - DEPRECATED
|
|
* @param String - To:
|
|
* @param String - From:
|
|
* @param String - Subject: (if called with 4 parameters) or full mail body (if called with 3 parameters)
|
|
* @param String (optional, but recommended) - mail body
|
|
* @return bool - true on success, otherwise false
|
|
* TODO: Replace this with something decent like PEAR::Mail or Zend_Mail.
|
|
*/
|
|
function smtp_mail ($to, $from, $data, $body = "") {
|
|
global $CONF;
|
|
$smtpd_server = $CONF['smtp_server'];
|
|
$smtpd_port = $CONF['smtp_port'];
|
|
//$smtp_server = $_SERVER["SERVER_NAME"];
|
|
$smtp_server = php_uname("n");
|
|
$errno = "0";
|
|
$errstr = "0";
|
|
$timeout = "30";
|
|
|
|
if ($body != "") {
|
|
$maildata =
|
|
"To: " . $to . "\n"
|
|
. "From: " . $from . "\n"
|
|
. "Subject: " . encode_header ($data) . "\n"
|
|
. "MIME-Version: 1.0\n"
|
|
. "Content-Type: text/plain; charset=utf-8\n"
|
|
. "Content-Transfer-Encoding: 8bit\n"
|
|
. "\n"
|
|
. $body
|
|
;
|
|
} else {
|
|
$maildata = $data;
|
|
}
|
|
|
|
$fh = @fsockopen ($smtpd_server, $smtpd_port, $errno, $errstr, $timeout);
|
|
|
|
if (!$fh) {
|
|
error_log("fsockopen failed - errno: $errno - errstr: $errstr");
|
|
return false;
|
|
} else {
|
|
$res = smtp_get_response($fh);
|
|
fputs ($fh, "EHLO $smtp_server\r\n");
|
|
$res = smtp_get_response($fh);
|
|
fputs ($fh, "MAIL FROM:<$from>\r\n");
|
|
$res = smtp_get_response($fh);
|
|
fputs ($fh, "RCPT TO:<$to>\r\n");
|
|
$res = smtp_get_response($fh);
|
|
fputs ($fh, "DATA\r\n");
|
|
$res = smtp_get_response($fh);
|
|
fputs ($fh, "$maildata\r\n.\r\n");
|
|
$res = smtp_get_response($fh);
|
|
fputs ($fh, "QUIT\r\n");
|
|
$res = smtp_get_response($fh);
|
|
fclose ($fh);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* smtp_get_admin_email
|
|
* Action: Get configured email address or current user if nothing configured
|
|
* Call: smtp_get_admin_email
|
|
* @return String - username/mail address
|
|
*/
|
|
function smtp_get_admin_email() {
|
|
$admin_email = Config::read('admin_email');
|
|
if(!empty($admin_email))
|
|
return $admin_email;
|
|
else
|
|
return authentication_get_username();
|
|
}
|
|
|
|
|
|
//
|
|
// smtp_get_response
|
|
// Action: Get response from mail server
|
|
// Call: smtp_get_response (string FileHandle)
|
|
//
|
|
function smtp_get_response ($fh) {
|
|
$res ='';
|
|
do {
|
|
$line = fgets($fh, 256);
|
|
$res .= $line;
|
|
}
|
|
while (preg_match("/^\d\d\d\-/", $line));
|
|
return $res;
|
|
}
|
|
|
|
|
|
|
|
$DEBUG_TEXT = "\n
|
|
<p />\n
|
|
Please check the documentation and website for more information.\n
|
|
<p />\n
|
|
<a href=\"http://postfixadmin.sf.net/\">Postfix Admin</a><br />\n
|
|
<a href='https://sourceforge.net/p/postfixadmin/discussion/676076'>Forums</a>
|
|
";
|
|
|
|
|
|
/**
|
|
* db_connect
|
|
* Action: Makes a connection to the database if it doesn't exist
|
|
* Call: db_connect ()
|
|
* Optional parameter: $ignore_errors = TRUE, used by setup.php
|
|
*
|
|
* Return value:
|
|
* a) without $ignore_errors or $ignore_errors == 0
|
|
* - $link - the database connection -OR-
|
|
* - call die() in case of connection problems
|
|
* b) with $ignore_errors == TRUE
|
|
* array($link, $error_text);
|
|
*/
|
|
function db_connect ($ignore_errors = 0) {
|
|
global $CONF;
|
|
global $DEBUG_TEXT;
|
|
if ($ignore_errors != 0) $DEBUG_TEXT = '';
|
|
$error_text = '';
|
|
$link = 0;
|
|
|
|
if ($CONF['database_type'] == "mysql") {
|
|
if (function_exists ("mysql_connect")) {
|
|
$link = @mysql_connect ($CONF['database_host'], $CONF['database_user'], $CONF['database_password']) or $error_text .= ("<p />DEBUG INFORMATION:<br />Connect: " . mysql_error () . "$DEBUG_TEXT");
|
|
if ($link) {
|
|
@mysql_query("SET CHARACTER SET utf8",$link);
|
|
@mysql_query("SET COLLATION_CONNECTION='utf8_general_ci'",$link);
|
|
$succes = @mysql_select_db ($CONF['database_name'], $link) or $error_text .= ("<p />DEBUG INFORMATION:<br />MySQL Select Database: " . mysql_error () . "$DEBUG_TEXT");
|
|
}
|
|
} else {
|
|
$error_text .= "<p />DEBUG INFORMATION:<br />MySQL 3.x / 4.0 functions not available! (php5-mysql installed?)<br />database_type = 'mysql' in config.inc.php, are you using a different database? $DEBUG_TEXT";
|
|
}
|
|
} elseif ($CONF['database_type'] == "mysqli") {
|
|
if (function_exists ("mysqli_connect")) {
|
|
$link = @mysqli_connect ($CONF['database_host'], $CONF['database_user'], $CONF['database_password']) or $error_text .= ("<p />DEBUG INFORMATION:<br />Connect: " . mysqli_connect_error () . "$DEBUG_TEXT");
|
|
if ($link) {
|
|
@mysqli_query($link,"SET CHARACTER SET utf8");
|
|
@mysqli_query($link,"SET COLLATION_CONNECTION='utf8_general_ci'");
|
|
$success = @mysqli_select_db ($link, $CONF['database_name']) or $error_text .= ("<p />DEBUG INFORMATION:<br />MySQLi Select Database: " . mysqli_error ($link) . "$DEBUG_TEXT");
|
|
}
|
|
} else {
|
|
$error_text .= "<p />DEBUG INFORMATION:<br />MySQL 4.1 functions not available! (php5-mysqli installed?)<br />database_type = 'mysqli' in config.inc.php, are you using a different database? $DEBUG_TEXT";
|
|
}
|
|
} elseif (db_pgsql()) {
|
|
if (function_exists ("pg_pconnect")) {
|
|
if(!isset($CONF['database_port'])) {
|
|
$CONF['database_port'] = '5432';
|
|
}
|
|
$connect_string = "host=" . $CONF['database_host'] . " port=" . $CONF['database_port'] . " dbname=" . $CONF['database_name'] . " user=" . $CONF['database_user'] . " password=" . $CONF['database_password'];
|
|
$link = @pg_pconnect ($connect_string) or $error_text .= ("<p />DEBUG INFORMATION:<br />Connect: failed to connect to database. $DEBUG_TEXT");
|
|
if ($link) pg_set_client_encoding($link, 'UNICODE');
|
|
} else {
|
|
$error_text .= "<p />DEBUG INFORMATION:<br />PostgreSQL functions not available! (php5-pgsql installed?)<br />database_type = 'pgsql' in config.inc.php, are you using a different database? $DEBUG_TEXT";
|
|
}
|
|
} else {
|
|
$error_text = "<p />DEBUG INFORMATION:<br />Invalid \$CONF['database_type']! Please fix your config.inc.php! $DEBUG_TEXT";
|
|
}
|
|
|
|
if ($ignore_errors) {
|
|
return array($link, $error_text);
|
|
} elseif ($error_text != "") {
|
|
print $error_text;
|
|
die();
|
|
} elseif ($link) {
|
|
return $link;
|
|
} else {
|
|
print "DEBUG INFORMATION:<br />\n";
|
|
print "Connect: Unable to connect to database<br />\n";
|
|
print "<br />\n";
|
|
print "Make sure that you have set the correct database type in the config.inc.php file<br />\n";
|
|
print $DEBUG_TEXT;
|
|
die();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the appropriate boolean value for the database.
|
|
* Currently only PostgreSQL and MySQL are supported.
|
|
* @param boolean $bool (REQUIRED)
|
|
* @return String or int as appropriate.
|
|
*/
|
|
function db_get_boolean($bool) {
|
|
if(! (is_bool($bool) || $bool == '0' || $bool == '1') ) {
|
|
error_log("Invalid usage of 'db_get_boolean($bool)'");
|
|
die("Invalid usage of 'db_get_boolean($bool)'");
|
|
}
|
|
|
|
if(db_pgsql()) {
|
|
// return either true or false (unquoted strings)
|
|
if($bool) {
|
|
return 't';
|
|
}
|
|
return 'f';
|
|
} elseif(Config::Read('database_type') == 'mysql' || Config::Read('database_type') == 'mysqli') {
|
|
if($bool) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
} else {
|
|
die('Unknown value in $CONF[database_type]');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a query that reports the used quota ("x / y")
|
|
* @param string column containing used quota
|
|
* @param string column containing allowed quota
|
|
* @param string column that will contain "x / y"
|
|
* @return string
|
|
*/
|
|
function db_quota_text($count, $quota, $fieldname) {
|
|
return " CASE $quota
|
|
WHEN '-1' THEN coalesce($count,0)
|
|
ELSE CONCAT(coalesce($count,0), ' / ', $quota)
|
|
END AS $fieldname";
|
|
}
|
|
|
|
/**
|
|
* Returns a query that reports the used quota ("x / y")
|
|
* @param string column containing used quota
|
|
* @param string column containing allowed quota
|
|
* @param string column that will contain "x / y"
|
|
* @return string
|
|
*/
|
|
function db_quota_percent($count, $quota, $fieldname) {
|
|
return " CASE $quota
|
|
WHEN '-1' THEN -1
|
|
ELSE round(100 * coalesce($count,0) / $quota)
|
|
END AS $fieldname";
|
|
}
|
|
|
|
/**
|
|
* returns true if PostgreSQL is used, false otherwise
|
|
*/
|
|
function db_pgsql() {
|
|
if(Config::Read('database_type')=='pgsql') {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
//
|
|
// db_query
|
|
// Action: Sends a query to the database and returns query result and number of rows
|
|
// Call: db_query (string query)
|
|
// Optional parameter: $ignore_errors = TRUE, used by upgrade.php
|
|
//
|
|
function db_query ($query, $ignore_errors = 0) {
|
|
global $CONF;
|
|
global $DEBUG_TEXT;
|
|
$result = "";
|
|
$number_rows = "";
|
|
static $link;
|
|
$error_text = "";
|
|
if ($ignore_errors) $DEBUG_TEXT = "";
|
|
|
|
# mysql and pgsql $link are resources, mysqli $link is an object
|
|
if (! (is_resource($link) || is_object($link) ) ) $link = db_connect ();
|
|
|
|
if ($CONF['database_type'] == "mysql") $result = @mysql_query ($query, $link)
|
|
or $error_text = "Invalid query: " . mysql_error($link);
|
|
if ($CONF['database_type'] == "mysqli") $result = @mysqli_query ($link, $query)
|
|
or $error_text = "Invalid query: " . mysqli_error($link);
|
|
if (db_pgsql()) {
|
|
$result = @pg_query ($link, $query)
|
|
or $error_text = "Invalid query: " . pg_last_error();
|
|
}
|
|
if ($error_text != "" && $ignore_errors == 0) {
|
|
error_log($error_text);
|
|
error_log("caused by query: $query");
|
|
die("<p />DEBUG INFORMATION:<br />$error_text <p>Check your error_log for the failed query. $DEBUG_TEXT");
|
|
}
|
|
|
|
if ($error_text == "") {
|
|
if (preg_match("/^SELECT/i", trim($query))) {
|
|
// if $query was a SELECT statement check the number of rows with [database_type]_num_rows ().
|
|
if ($CONF['database_type'] == "mysql") $number_rows = mysql_num_rows ($result);
|
|
if ($CONF['database_type'] == "mysqli") $number_rows = mysqli_num_rows ($result);
|
|
if (db_pgsql() ) $number_rows = pg_num_rows ($result);
|
|
} else {
|
|
// if $query was something else, UPDATE, DELETE or INSERT check the number of rows with
|
|
// [database_type]_affected_rows ().
|
|
if ($CONF['database_type'] == "mysql") $number_rows = mysql_affected_rows ($link);
|
|
if ($CONF['database_type'] == "mysqli") $number_rows = mysqli_affected_rows ($link);
|
|
if (db_pgsql() ) $number_rows = pg_affected_rows ($result);
|
|
}
|
|
}
|
|
|
|
$return = array (
|
|
"result" => $result,
|
|
"rows" => $number_rows,
|
|
"error" => $error_text
|
|
);
|
|
return $return;
|
|
}
|
|
|
|
|
|
|
|
// db_row
|
|
// Action: Returns a row from a table
|
|
// Call: db_row (int result)
|
|
|
|
function db_row ($result) {
|
|
global $CONF;
|
|
$row = "";
|
|
if ($CONF['database_type'] == "mysql") $row = mysql_fetch_row ($result);
|
|
if ($CONF['database_type'] == "mysqli") $row = mysqli_fetch_row ($result);
|
|
if (db_pgsql() ) $row = pg_fetch_row ($result);
|
|
return $row;
|
|
}
|
|
|
|
|
|
|
|
// db_array
|
|
// Action: Returns a row from a table
|
|
// Call: db_array (int result)
|
|
//
|
|
function db_array ($result) {
|
|
global $CONF;
|
|
$row = "";
|
|
if ($CONF['database_type'] == "mysql") $row = mysql_fetch_array ($result);
|
|
if ($CONF['database_type'] == "mysqli") $row = mysqli_fetch_array ($result);
|
|
if (db_pgsql() ) $row = pg_fetch_array ($result);
|
|
return $row;
|
|
}
|
|
|
|
|
|
|
|
// db_assoc
|
|
// Action: Returns a row from a table
|
|
// Call: db_assoc(int result)
|
|
//
|
|
function db_assoc ($result) {
|
|
global $CONF;
|
|
$row = "";
|
|
if ($CONF['database_type'] == "mysql") $row = mysql_fetch_assoc ($result);
|
|
if ($CONF['database_type'] == "mysqli") $row = mysqli_fetch_assoc ($result);
|
|
if (db_pgsql() ) $row = pg_fetch_assoc ($result);
|
|
return $row;
|
|
}
|
|
|
|
|
|
|
|
//
|
|
// db_delete
|
|
// Action: Deletes a row from a specified table
|
|
// Call: db_delete (string table, string where, string delete)
|
|
//
|
|
function db_delete ($table,$where,$delete,$additionalwhere='') {
|
|
$table = table_by_key($table);
|
|
$query = "DELETE FROM $table WHERE " . escape_string($where) . "='" . escape_string($delete) . "' " . $additionalwhere;
|
|
$result = db_query ($query);
|
|
|
|
if ($result['rows'] >= 1) {
|
|
return $result['rows'];
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* db_insert
|
|
* Action: Inserts a row from a specified table
|
|
* Call: db_insert (string table, array values [, array timestamp])
|
|
* @param String - table name
|
|
* @param array - key/value map of data to insert into the table.
|
|
* @param array (optional) - array of fields to set to now() - default: array('created', 'modified')
|
|
* @return int - number of inserted rows
|
|
*/
|
|
function db_insert ($table, $values, $timestamp = array('created', 'modified') ) {
|
|
$table = table_by_key ($table);
|
|
|
|
foreach(array_keys($values) as $key) {
|
|
$values[$key] = "'" . escape_string($values[$key]) . "'";
|
|
}
|
|
|
|
foreach($timestamp as $key) {
|
|
$values[$key] = "now()";
|
|
}
|
|
|
|
$sql_values = "(" . implode(",",escape_string(array_keys($values))).") VALUES (".implode(",",$values).")";
|
|
|
|
$result = db_query ("INSERT INTO $table $sql_values");
|
|
return $result['rows'];
|
|
}
|
|
|
|
|
|
/**
|
|
* db_update
|
|
* Action: Updates a specified table
|
|
* Call: db_update (string table, string where_col, string where_value, array values [, array timestamp])
|
|
* @param String - table name
|
|
* @param String - column of WHERE condition
|
|
* @param String - value of WHERE condition
|
|
* @param array - key/value map of data to insert into the table.
|
|
* @param array (optional) - array of fields to set to now() - default: array('modified')
|
|
* @return int - number of updated rows
|
|
*/
|
|
function db_update ($table, $where_col, $where_value, $values, $timestamp = array('modified') ) {
|
|
$where = $where_col . " = '" . escape_string($where_value) . "'";
|
|
return db_update_q ($table, $where, $values, $timestamp );
|
|
}
|
|
|
|
/**
|
|
* db_update_q
|
|
* Action: Updates a specified table
|
|
* Call: db_update_q (string table, string where, array values [, array timestamp])
|
|
* @param String - table name
|
|
* @param String - WHERE condition (as SQL)
|
|
* @param array - key/value map of data to insert into the table.
|
|
* @param array (optional) - array of fields to set to now() - default: array('modified')
|
|
* @return int - number of updated rows
|
|
*/
|
|
function db_update_q ($table, $where, $values, $timestamp = array('modified') ) {
|
|
$table = table_by_key ($table);
|
|
|
|
foreach(array_keys($values) as $key) {
|
|
$sql_values[$key] = escape_string($key) . "='" . escape_string($values[$key]) . "'";
|
|
}
|
|
|
|
foreach($timestamp as $key) {
|
|
$sql_values[$key] = escape_string($key) . "=now()";
|
|
}
|
|
|
|
$sql="UPDATE $table SET ".implode(",",$sql_values)." WHERE $where";
|
|
|
|
$result = db_query ($sql);
|
|
return $result['rows'];
|
|
}
|
|
|
|
/**
|
|
* db_begin / db_commit / db_rollback
|
|
* Action: BEGIN / COMMIT / ROLLBACK transaction (PostgreSQL only!)
|
|
* Call: db_begin()
|
|
*/
|
|
function db_begin () {
|
|
if (db_pgsql()) { # TODO: also enable for mysql? (not supported by MyISAM, which is used for most tables)
|
|
db_query('BEGIN');
|
|
}
|
|
}
|
|
|
|
function db_commit () {
|
|
if (db_pgsql()) {
|
|
db_query('COMMIT');
|
|
}
|
|
}
|
|
|
|
function db_rollback () {
|
|
if (db_pgsql()) {
|
|
db_query('ROLLBACK');
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
* db_log
|
|
* Action: Logs actions from admin
|
|
* Call: db_log (string domain, string action, string data)
|
|
* Possible actions are defined in $LANG["pViewlog_action_$action"]
|
|
*/
|
|
function db_log ($domain,$action,$data) {
|
|
$REMOTE_ADDR = getRemoteAddr();
|
|
|
|
$username = authentication_get_username();
|
|
|
|
if (Config::Lang("pViewlog_action_$action") == '') {
|
|
die("Invalid log action : $action"); // could do with something better?
|
|
}
|
|
|
|
if (Config::bool('logging')) {
|
|
$logdata = array(
|
|
'username' => "$username ($REMOTE_ADDR)",
|
|
'domain' => $domain,
|
|
'action' => $action,
|
|
'data' => $data,
|
|
);
|
|
$result = db_insert('log', $logdata, array('timestamp') );
|
|
if ($result != 1) {
|
|
return false;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* db_in_clause
|
|
* Action: builds and returns the "field in(x, y)" clause for database queries
|
|
* Call: db_in_clause (string field, array values)
|
|
*/
|
|
function db_in_clause($field, $values) {
|
|
return " $field IN ('"
|
|
. implode("','",escape_string(array_values($values)))
|
|
. "') ";
|
|
}
|
|
|
|
/**
|
|
* db_where_clause
|
|
* Action: builds and returns a WHERE clause for database queries. All given conditions will be AND'ed.
|
|
* Call: db_where_clause (array $conditions, array $struct)
|
|
* param array $conditios: array('field' => 'value', 'field2' => 'value2, ...)
|
|
* param array $struct - field structure, used for automatic bool conversion
|
|
* param string $additional_raw_where - raw sniplet to include in the WHERE part - typically needs to start with AND
|
|
* param array $searchmode - operators to use (=, <, > etc.) - defaults to = if not specified for a field (see
|
|
* $allowed_operators for available operators)
|
|
*/
|
|
function db_where_clause($condition, $struct, $additional_raw_where = '', $searchmode = array()) {
|
|
if (!is_array($condition)) {
|
|
die('db_where_cond: parameter $cond is not an array!');
|
|
} elseif(!is_array($searchmode)) {
|
|
die('db_where_cond: parameter $searchmode is not an array!');
|
|
} elseif (count($condition) == 0) {
|
|
die("db_where_cond: parameter is an empty array!"); # die() might sound harsh, but can prevent information leaks
|
|
} elseif(!is_array($struct)) {
|
|
die('db_where_cond: parameter $struct is not an array!');
|
|
}
|
|
|
|
$allowed_operators = explode(' ', '< > >= <= = != <> CONT LIKE');
|
|
$where_parts = array();
|
|
$having_parts = array();
|
|
|
|
foreach($condition as $field => $value) {
|
|
if (isset($struct[$field]) && $struct[$field]['type'] == 'bool') $value = db_get_boolean($value);
|
|
$operator = '=';
|
|
if (isset($searchmode[$field])) {
|
|
if (in_array($searchmode[$field], $allowed_operators)) {
|
|
$operator = $searchmode[$field];
|
|
|
|
if ($operator == 'CONT') { # CONT - as in "contains"
|
|
$operator = ' LIKE '; # add spaces
|
|
$value = '%' . $value . '%';
|
|
} elseif ($operator == 'LIKE') { # LIKE -without adding % wildcards (the search value can contain %)
|
|
$operator = ' LIKE '; # add spaces
|
|
}
|
|
} else {
|
|
die('db_where_clause: Invalid searchmode for ' . $field);
|
|
}
|
|
}
|
|
$querypart = $field . $operator . "'" . escape_string($value) . "'";
|
|
if($struct[$field]['select'] != '') {
|
|
$having_parts[$field] = $querypart;
|
|
} else {
|
|
$where_parts[$field] = $querypart;
|
|
}
|
|
}
|
|
$query = ' WHERE 1=1 ';
|
|
$query .= " $additional_raw_where ";
|
|
if (count($where_parts) > 0) $query .= " AND ( " . join(" AND ", $where_parts) . " ) ";
|
|
if (count($having_parts) > 0) $query .= " HAVING ( " . join(" AND ", $having_parts) . " ) ";
|
|
|
|
return $query;
|
|
}
|
|
|
|
//
|
|
// table_by_key
|
|
// Action: Return table name for given key
|
|
// Call: table_by_key (string table_key)
|
|
//
|
|
function table_by_key ($table_key) {
|
|
global $CONF;
|
|
if (empty($CONF['database_tables'][$table_key])) {
|
|
$table = $table_key;
|
|
} else {
|
|
$table = $CONF['database_tables'][$table_key];
|
|
}
|
|
|
|
return $CONF['database_prefix'].$table;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
Called after an alias_domain has been deleted in the DBMS.
|
|
Returns: boolean.
|
|
*/
|
|
# TODO: This function is never called
|
|
function alias_domain_postdeletion($alias_domain) {
|
|
global $CONF;
|
|
$confpar='alias_domain_postdeletion_script';
|
|
|
|
if (!isset($CONF[$confpar]) || empty($CONF[$confpar])) {
|
|
return true;
|
|
}
|
|
|
|
if (empty($alias_domain)) {
|
|
print '<p>Warning: empty alias_domain parameter.</p>';
|
|
return false;
|
|
}
|
|
|
|
$cmdarg1=escapeshellarg($alias_domain);
|
|
$command=$CONF[$confpar]." $cmdarg1";
|
|
$retval=0;
|
|
$output=array();
|
|
$firstline='';
|
|
$firstline=exec($command,$output,$retval);
|
|
if (0!=$retval) {
|
|
error_log("Running $command yielded return value=$retval, first line of output=$firstline");
|
|
print '<p>WARNING: Problems running alias_domain postdeletion script!</p>';
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
//
|
|
// gen_show_status
|
|
// Action: Return a string of colored 's that indicate
|
|
// the if an alias goto has an error or is sent to
|
|
// addresses list in show_custom_domains
|
|
// Call: gen_show_status (string alias_address)
|
|
//
|
|
function gen_show_status ($show_alias) {
|
|
global $CONF;
|
|
$table_alias = table_by_key('alias');
|
|
$stat_string = "";
|
|
|
|
$show_alias = escape_string($show_alias);
|
|
|
|
$stat_goto = "";
|
|
$stat_result = db_query ("SELECT goto FROM $table_alias WHERE address='$show_alias'");
|
|
if ($stat_result['rows'] > 0) {
|
|
$row = db_row ($stat_result['result']);
|
|
$stat_goto = $row[0];
|
|
}
|
|
|
|
if (!empty($CONF['recipient_delimiter'])) {
|
|
$delimiter = preg_quote($CONF['recipient_delimiter'], "/");
|
|
$delimiter_regex = '/' .$delimiter. '[^' .$delimiter. '@]*@/';
|
|
}
|
|
|
|
// UNDELIVERABLE CHECK
|
|
if ( $CONF['show_undeliverable'] == 'YES' ) {
|
|
$gotos=array();
|
|
$gotos=explode(',',$stat_goto);
|
|
$undel_string="";
|
|
|
|
//make sure this alias goes somewhere known
|
|
$stat_ok = 1;
|
|
while ( ($g=array_pop($gotos)) && $stat_ok ) {
|
|
list(/*NULL*/,$stat_domain) = explode('@',$g);
|
|
$stat_delimiter = "";
|
|
if (!empty($CONF['recipient_delimiter'])) {
|
|
$stat_delimiter = "OR address = '" . preg_replace($delimiter_regex, "@", $g) . "'";
|
|
}
|
|
$stat_result = db_query ("SELECT address FROM $table_alias WHERE address = '$g' OR address = '@$stat_domain' $stat_delimiter");
|
|
if ($stat_result['rows'] == 0) {
|
|
$stat_ok = 0;
|
|
}
|
|
if ( $stat_ok == 0 ) {
|
|
if ( $stat_domain == $CONF['vacation_domain'] || in_array($stat_domain, $CONF['show_undeliverable_exceptions']) ) {
|
|
$stat_ok = 1;
|
|
}
|
|
}
|
|
} // while
|
|
if ( $stat_ok == 0 ) {
|
|
$stat_string .= "<span style='background-color:" . $CONF['show_undeliverable_color'] .
|
|
"'>" . $CONF['show_status_text'] . "</span> ";
|
|
} else {
|
|
$stat_string .= $CONF['show_status_text'] . " ";
|
|
}
|
|
}
|
|
|
|
// POP/IMAP CHECK
|
|
if ( $CONF['show_popimap'] == 'YES' ) {
|
|
$stat_delimiter = "";
|
|
if (!empty($CONF['recipient_delimiter'])) {
|
|
$stat_delimiter = ',' . preg_replace($delimiter_regex, "@", $stat_goto);
|
|
}
|
|
|
|
//if the address passed in appears in its own goto field, its POP/IMAP
|
|
# TODO: or not (might also be an alias loop) -> check mailbox table!
|
|
if ( preg_match ('/,' . $show_alias . ',/', ',' . $stat_goto . $stat_delimiter . ',') ) {
|
|
$stat_string .= "<span style='background-color:" . $CONF['show_popimap_color'] .
|
|
"'>" . $CONF['show_status_text'] . "</span> ";
|
|
} else {
|
|
$stat_string .= $CONF['show_status_text'] . " ";
|
|
}
|
|
}
|
|
|
|
// CUSTOM DESTINATION CHECK
|
|
if ( count($CONF['show_custom_domains']) > 0 ) {
|
|
for ($i = 0; $i < sizeof ($CONF['show_custom_domains']); $i++) {
|
|
if (preg_match ('/^.*' . $CONF['show_custom_domains'][$i] . '.*$/', $stat_goto)) {
|
|
$stat_string .= "<span style='background-color:" . $CONF['show_custom_colors'][$i] .
|
|
"'>" . $CONF['show_status_text'] . "</span> ";
|
|
} else {
|
|
$stat_string .= $CONF['show_status_text'] . " ";
|
|
}
|
|
}
|
|
} else {
|
|
$stat_string .= "; ";
|
|
}
|
|
|
|
// $stat_string .= "<span style='background-color:green'> </span> " .
|
|
// "<span style='background-color:blue'> </span> ";
|
|
return $stat_string;
|
|
}
|
|
|
|
function getRemoteAddr() {
|
|
$REMOTE_ADDR = 'localhost';
|
|
if (isset($_SERVER['REMOTE_ADDR']))
|
|
$REMOTE_ADDR = $_SERVER['REMOTE_ADDR'];
|
|
return $REMOTE_ADDR;
|
|
}
|
|
|
|
/* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */
|