For the guys here who know a bit about computer languages: What is wrong with those code snippets?
PHP Code:
if ($_GET['ip'] && $_GET['pass']=='gehaim') {
$userip = $_GET['ip'];
echo "!!!!!";
}
$x="/usr/sbin/arp -n ".$userip."|grep ".$userip."|cut -d\"r\" -f2|cut -d\" \" -f4";
global $echtmac;
$echtmac=`$x`;
PHP Code:
$qstring = "SELECT `uid` FROM `user` ORDER BY `uid` DESC";
$row=abfrage($qstring,1);
$uid=$row[0]+1;
$d=$d."UiD: ".$uid."</br>";
$vname=$_POST[vorname];
$name=$_POST[nachname];
$qstring='insert into `user`(`vname`,`name`,`hnr`,`zimmer`,`mail`,`tel2`,`account`,`uni`,
`unote`, `org`,`uid`,`nachricht`)
'."Values ('$_POST[vorname]' , '$_POST[nachname]'
, '$_POST[hausnummer]', '$_POST[zimmernummer]', '$_POST[email]', '$_POST[telefon]'
, '$_POST[account]', '$_POST[uni]', '$ztext' ,'$orgid','$uid','$num_nachricht' )";
$result= einfuegen($qstring,1);