php - LDAP login page doesn't work -

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i installed php on iis , tested script, there no response after either enter correct or incorrect login details. try telnet ldap server , connect properly.

<?php $ldapserver = "ldap.server.com"; // ldap server $ldapsuffix = "o=companyname, o=companynet"; // ldap tree  if (!empty($_post['login'])) {     //print_r($_post);     echo "<br><br>";      $userid = $_post['username']; // user key userid or email     $userpassword = $_post['userpassword']; // user key password      $ds=ldap_connect($ldapserver);       ldap_set_option($ds, ldap_opt_protocol_version, 3);      $bind=@ldap_search($ds, $ldapsuffix, "uid=".$userid);     if ($bind)     {         echo "ldap bind success <br>";          $result = @ldap_get_entries($ds, $bind);         if ($result[0])         {             if (@ldap_bind( $ds, $result[0]['dn'], $userpassword))             {                 echo "user bind success <br>";                  // can proceed check database             }             else             {                 echo "user bind failed - invalid password <br>";             }         }         else         {             echo "user not has ldap account <br>";         }     }     else     {         echo "ldap bind failed <br>";     }      ldap_close($ds);  }   ?>  <html> <head>     <title>login ldap authentication</title> </head> <body>      <form action="ldaplogin.php" name="passwordchange" method="post">     <table style="width: 400px; margin: 0 auto;">             <tr><th>enter username/email:</th><td><input name="username" type="text" size="0" autocomplete="off" /></td></tr>             <tr><th>enter password:</th><td><input name="userpassword" size="20" type="password" /></td></tr>                       <tr><td colspan="2" style="text-align: center;" >             <input name="login" type="submit" value="login"/></td></tr>     </table>     </form>       </div> </body> </html>

you need ldap_bind() prior being able ldap_search(). remove @ prepend functions can see errors, warnings, , notices.

edit: should close need, , can adjusted fit need. assumes ldap server not allow anonymous searches, in case does, can rearrange things.

$ldapserver = "ldap.server.com"; // ldap server $ldapsuffix = "o=companyname, o=companynet"; // ldap tree  if (!empty($_post['login'])) {     echo "<br><br>";      $userid = $_post['username']; // user key userid or email     $userpassword = $_post['userpassword']; // user key password      $ds = ldap_connect($ldapserver);       ldap_set_option($ds, ldap_opt_protocol_version, 3);      $bind = @ldap_bind($ds, "uid=$userid,$ldapsuffix", $userpassword);     if ($bind !== false) {         $search = @ldap_search($ds, $ldapsuffix, "uid=$userid", array('uid', 'dn'));         if ($search !== false) {             $result = @ldap_get_entries($ds, $search);             if (is_array($result) , $result) {                 // can proceed check database             }             elseif ($result === array()) {                 echo "no results";             }             elseif ($result === false) {                 echo "ldap_get_entries() failed: " . ldap_error($ds);             }         } else {             echo "ldap_search() failed: " . ldap_error($ds);         }     }     else {         echo "ldap_bind() failed: " . ldap_error($ds);     }      @ldap_unbind($bind);     @ldap_close($ds); }

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