<?php
/*
$Id: functions.php,v 1.9 2005/12/18 09:50:59 benjamin Exp $
----------------------------------------------------------------------
AlternC - Web Hosting System
Copyright (C) 2002 by the AlternC Development Team.
http://alternc.org/
----------------------------------------------------------------------
Based on:
Valentin Lacambre's web hosting softwares: http://altern.org/
----------------------------------------------------------------------
LICENSE
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License (GPL)
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
To read the license please visit http://www.gnu.org/copyleft/gpl.html
----------------------------------------------------------------------
Original Author of file: Benjamin Sonntag, Franck Missoum
Purpose of file: Miscellaneous functions globally used
----------------------------------------------------------------------
*/
/* seed the random number generator : */
list($usec, $sec) = explode(' ', microtime());
mt_srand((float) $sec + ((float) $usec * 100000));
/* Format a field value for input or textarea : */
function fl($str) { return str_replace("<","<",str_replace("\"",""",$str)); }
/*
Check if a domain can be hosted on this server :
Return a negative value in case of an error,
or a string for the index in $tld
*/
function checkhostallow($domain,$dns) {
global $L_NS1,$L_NS2,$db;
$sizefound=0;
$found="";
$db->query("SELECT tld,mode FROM tld;");
while ($db->next_record()) {
list($key,$val)=$db->Record;
if (substr($domain,-1-strlen($key))==".".$key) {
if ($sizefound<strlen($key)) {
$sizefound=strlen($key);
$found=$key;
$fmode=$val;
}
}
}
if (!$found || $fmode==0) // TLD not allowed at all
return -1;
if (($fmode!=4) && (!is_array($dns))) // NO dns found in the whois, and domain MUST exists
return -2;
if ($fmode>2) // OK, in the case 3 4 5
return $found;
$n1=false; $n2=false;
for ($i=0;$i<count($dns);$i++) {
if ($dns[$i]==$L_NS1) $n1=true;
if ($dns[$i]==$L_NS2) $n2=true;
}
if ($fmode==1 && $n1) // OK
return $found;
if ($fmode==2 && $n1 && $n2) // OK
return $found;
return -3; // DNS incorrect in the whois
}
/* Check that a domain can be hosted in that server,
without DNS managment.
*/
function checkhostallow_nodns($domain) {
global $db;
$sizefound=0;
$found="";
$db->query("SELECT tld,mode FROM tld;");
while ($db->next_record()) {
list($key,$val)=$db->Record;
if (substr($domain,-1-strlen($key))==".".$key) {
if ($sizefound<strlen($key)) {
$sizefound=strlen($key);
$found=$key;
$fmode=$val;
}
}
}
// If we found a correct tld, let's find how many . before ;)
if (!$found || $fmode==0) // TLD not allowed at all
return 1;
if (count(explode(".",substr($domain,0,-$sizefound)))>2) {
return 1;
}
return 0;
}
/* Check that $url is a correct url (http:// or https:// or ftp://) */
function checkurl($url) {
// TODO : add a path/file check
if (substr($url,0,7)!="http://" && substr($url,0,8)!="https://" && substr($url,0,6)!="ftp://") return false;
if (substr($url,0,7)=="http://" ) $fq=substr($url,7);
if (substr($url,0,8)=="https://") $fq=substr($url,8);
if (substr($url,0,6)=="ftp://" ) $fq=substr($url,6);
$f=explode("/",$fq);
if (!is_array($f)) $f=array($f);
$t=checkfqdn($f[0]);
if ($t) return false;
return true;
}
/* Check that $ip is a correct 4 Dotted ip */
function checkip($ip) {
// return true or false whether the ip is correctly formatted
if (!ereg("[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*",$ip)) return false;
$l=explode(".",$ip);
if ($l[0]>255 || $l[1]>255 || $l[2]>255 || $l[3]>255) return false;
return true;
}
/* Check a login mail */
function checkloginmail($mail) {
if (!preg_match("/^[a-zA-Z0-9_\.:\+\-]+$/",$mail)) {
return false;
} else {
return true;
}
}
/* " */
/* Check an email address, use checkloginmail and checkfqdn */
function checkmail($mail) {
// Retourne 0 si tout va bien, sinon retourne un code erreur...
// 1 s'il n'y a rien devant l'@
// 2 3 ou 4 si le domaine est incorrect.
// 5 s'il y a caract�res interdits dans la partie gauche du @
// 6 si le mail contient aucun ou plus d'un @
$t=explode("@",$mail);
if (count($t)!=2) {
return 6;
}
$c=checkfqdn($t[1]);
if ($c)
return $c;
// Verification de la partie gauche :
if (!checkloginmail($t[0])) {
if ($t[0]=="") {
return 1;
} else {
return 5;
}
}
return 0;
}
/* Check that a domain name is fqdn compliant */
function checkfqdn($fqdn) {
// (RFC 1035 http://www.ietf.org/rfc/rfc1035.txt)
// Retourne 0 si tout va bien, sinon, retourne un code erreur...
// 1. Nom de domaine complet trop long.
// 2. L'un des membres est trop long.
// 3. Caract?re interdit dans l'un des membres.
if (strlen($fqdn)>255)
return 1;
$members=explode(".", $fqdn);
if (count($members)>1) {
reset($members);
while (list ($key, $val) = each ($members)) {
if (strlen($val)>63)
return 2;
if (!eregi("^[a-z0-9][a-z0-9-]*[a-z0-9]$",$val)) {
/*"*/ return 3;
}
}
} else {
return 4;
}
return 0;
}
function checkuserpath($path) {
/*
return 0 if the path is not in the user's space
return 1 if this is a directory
return 2 if this is a regular file
*/
global $mem;
$user=$mem->user["login"];
$usar=substr($user,0,1);
if (substr($path,0,1)=="/")
$path="/".$path;
$rpath = realpath("/var/alternc/html/$usar/$user$path");
$userpath = realpath("/var/alternc/html/$usar/$user");
if(strpos($rpath,$userpath) === 0){
if (is_dir("/var/alternc/html/$usar/$user$path")) {
return 1;
}
if (is_file("/var/alternc/html/$usar/$user$path")) {
return 2;
}
}
return 0;
}
/**
* get the home of the user
*
* @args string $user the username, if null will use the global $mem. no
* security checks performed on path
* @returns string the actual absolute path
* @see $L_ALTERNC_LOC
*/
function getuserpath($user = null) {
global $L_ALTERNC_LOC;
if (is_null($user)) {
global $mem;
$user = $mem->user['login'];
}
return $L_ALTERNC_LOC . "/html/".substr($user,0,1)."/".$user;
}
function cbox($test) {
if ($test) echo (" checked=\"checked\"");
}
function ecif($test,$tr,$fa="") {
if ($test)
echo $tr;
else
echo $fa;
}
function __($str) {
echo _($str);
}
function ife($test,$tr,$fa="") {
if ($test)
return $tr;
else
return $fa;
}
function format_size($size) {
// Retourne une taille formatt�e en Octets, Kilo-octets, M�ga-octets ou Giga-Octets, avec 2 d�cimales.
if ("-" == $size) {
return $size;
}
$size=(float)$size;
if ($size<1024) {
$r=$size;
if ($size!=1) {
$r.=" "._("Bytes");
} else {
$r.=" "._("Byte");
}
} else {
$size=$size/1024;
if ($size<1024) {
$r=round($size,2)." "._("Kb");
} else {
$size=$size/1024;
if ($size<1024) {
$r=round($size,2)." "._("Mb");
} else {
$size=$size/1024;
if ($size<1024) {
$r=round($size,2)." "._("Gb");
} else {
$r=round($size/1024,2)." "._("Tb");
}
}
}
}
return $r;
}
function getlinkhelp($hid) {
return "(<a href=\"javascript:help($hid);\">?</a>)";
}
function linkhelp($hid) {
echo getlinkhelp($hid);
}
function format_date($format,$date) {
$d=substr($date,8,2);
$m=substr($date,5,2);
$y=substr($date,0,4);
$h=substr($date,11,2);
$i=substr($date,14,2);
if ($h>12) {
$hh=$h-12;
$am="pm";
} else {
$hh=$h;
$am="am";
}
return sprintf(_($format),$d,$m,$y,$h,$i,$hh,$am);
}
/* Strip slashes if needed : */
function ssla($str) {
if (get_magic_quotes_gpc()) {
return stripslashes($str);
} else {
return $str;
}
}
/* ----------------------------------------------------------------- */
/** Hashe un mot de passe en clair en MD5 avec un salt al�atoire
* @param string $pass Mot de passe � crypter (max 32 caract�res)
* @return string Retourne le mot de passe crypt�
* @access private
*/
function _md5cr($pass,$salt="") {
if (!$salt) {
$chars="./0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
for ($i=0;$i<12;$i++) {
$salt.=substr($chars,(mt_rand(0,strlen($chars))),1);
}
$salt="$1$".$salt;
}
return crypt($pass,$salt);
}
/** split mysql database name between username and custom database name
* @param string $dbname database name
* @return array returns username as first element, custom name as second
*/
function split_mysql_database_name($dbname) {
$db_exploded_name = explode("_",$dbname);
return array($db_exploded_name[0],
implode("_", array_slice($db_exploded_name, 1)));
}
/* ----------------------------------------------------------------- */
/** Echappe les caract�res pouvant perturber un flux XML standard :
* @param string $string Chaine de caract�re � encoder en valeur xml.
* @return string Retourne la cha�ne modifi�e si besoin.
* @access private
*/
function xml_entities($string) {
return str_replace("<","<",str_replace(">",">",str_replace("&","&",$string)));
}
/* ----------------------------------------------------------------- */
/** Converti un nombre de mois en une chaine plus lisible
* @param number $months Nombre de mois
* @return string Cha�ne repr�sentant le nombre de mois
* @access private
*/
function pretty_months($months) {
if( $months % 12 == 0 && $months > 11) {
$years = $months / 12;
return "$years " . ($years > 1 ? _("years") : _("year"));
} else {
return "$months " . ($months > 1 ? _("months") : _("month"));
}
}
/* ----------------------------------------------------------------- */
/** Fabrique un drop-down pour les dur�es de comptes
* @name string $name Nom pour le composasnt
* @selected number Option selection�e du composant
* @return string Code html pour le drop-down
* @access private
*/
function duration_list($name, $selected=0) {
$res = "<select name=\"$name\" id=\"$name\">";
foreach(array(0, 1, 2, 3, 4, 6, 12, 24) as $dur) {
$res .= "<option value=\"$dur\"";
if($selected == $dur) {
$res .= ' selected';
}
$res .= '>';
if($dur == 0) {
$res .= _('Not managed');
} else {
$res .= pretty_months($dur);
}
$res .= '</option>';
}
$res .= '</select>';
return $res;
}
?>