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| <?php
session_start();
$msg = ' ' ;
$id = $_POST['Id'];
$verif_id = strtolower($id);
$mp = $_POST['mp'];
$verif_mp = strtolower($mp);
include 'fonctions.php';
// Si le site est fermé
if ($_SESSION['siteferme'] == "oui") {
if ($verif_id != "pandu" OR $mp !="papa"){
redirect('index.php?js=1');
exit ; }
}
var_dump($_SESSION) ;
$bdd = $_SESSION['BDD'];
$serveur = $_SESSION['serveur'];
$pass_bdd = $_SESSION['pass_bdd'];
$ut_bd = $_SESSION['ut_bd'];
$conn = mysqli_connect($serveur, $ut_bd, $pass_bdd, $bdd);
if (mysqli_connect_errno())
{
echo "La connexion au serveur MySQL n'a pas abouti : " . mysqli_connect_error();
}
$sql = "SELECT id_eleve,pass_eleve,Date_der_connect,id_prof,reg_inter,classe_eleve,directeur FROM eleves WHERE id_eleve ='$verif_id'" ;
$result = mysqli_query($conn,$sql)or die('Erreur SQL !<br>'.$sql.'<br>'.mysqli_error());
$data = mysqli_fetch_assoc($result); $n = mysqli_num_rows($result);
$_SESSION['id_prof']=$data['id_prof'];
$idprof = " ";
$idprof= $data['id_prof'];
$reg= $data['reg_inter'];
$_SESSION['directeur']=$data['directeur'];
$_SESSION['classe_eleve']=$data['classe_eleve'];
if(empty($n))
{$msg ='Identifiant inconnu';}
elseif ($verif_mp != $data['pass_eleve'])
{$msg ='Mot de passe incorrect';}
// Controles IP
if( $msg == ' ') {
$dotted = get_ip();
$ip = IPAddress2IPNumber($dotted); $_SESSION['ip']= $ip;
$sql = "SELECT * FROM connect_ip WHERE id_eleve ='$verif_id' AND adresse_ip=$ip" ;
$result = mysqli_query($conn,$sql)or die('Erreur SQL !<br>'.$sql.'<br>'.mysqli_error());
$data = mysqli_fetch_assoc($result); $n = mysqli_num_rows($result);
if($n==0){ // Nouvelle IP
$sql = "INSERT INTO connect_ip (id_eleve ,adresse_ip)
VALUES ( '$verif_id', $ip)" ;
$result = mysqli_query($conn,$sql)or die('Erreur SQL !<br>'.$sql.'<br>'.mysqli_error());
// Regarde s'il faut éjecter le profil à partir de la nouvelle ip
// A faire
} else { $fin=$data['Jours_exclusion'];
if (time()<$fin)$msg=htmlentities('Connexion non autorisée.');
}
}
// MAJ DER CONNECT
$date = date("ymd");
$sql = "SELECT * FROM eleves WHERE id_eleve ='$verif_id'" ;
$result = mysqli_query($conn,$sql)or die('Erreur SQL !<br>'.$sql.'<br>'.mysqli_error());
$dat = mysqli_fetch_assoc($result);
$sql="UPDATE eleves SET Date_der_connect = $date WHERE id_eleve ='$verif_id'";
$result = mysqli_query($conn,$sql)or die('Erreur SQL !<br>'.$sql.'<br>'.mysqli_error());
mysqli_close();
$_SESSION['message'] = ' ';
if( $msg != ' ') {
$_SESSION['message'] = $msg;
redirect('index.php?js=1');
}
else {
visites(1);
$_SESSION['id_eleve'] =$verif_id;
$_SESSION['id_prof']=$idprof;
$_SESSION['m_p']=$verif_mp;
if($idprof != '')
{
$s = $idprof ;
}
else
{
$s = $verif_id ;
}
$c = $s[0];
$c = strtoupper($c) ;
$s[0]=$c ;
$msg= 'Bonjour '.$s.' !' ;
// Message de bienvenue
$_SESSION['mesage'] = $msg;
// Ecriture dans le log général
include 'datetableau.php';
$repertoire = dirname(__FILE__)."/Devoirs/";
$s2 = "log.txt";
if(empty($idprof))
$s="Le ".$data." connexion de ".$verif_id."\n";
else
$s="Le ".$data." connexion de ".$verif_id." alias ".$idprof."\n";
$bavard = $repertoire.$s2 ;
$fp = fopen($bavard, "a+");
fwrite($fp,$s);
fclose($fp);
// Redirection
if($reg==0)
redirect('modregint.php');
else
redirect('devoirseleve.php');
exit;
}
?> |
Perte de $_SESSION lors d'une redirection
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C'est une TRÈS MAUVAISE pratique !! 
Envoyé par mathieu
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