-# Darren Critchley - certain ports are reserved for IPFire
-# TCP 67,68,81,222,445
-# UDP 67,68
-# Params passed in -> port, rangeyn, protocol
-sub disallowreserved
-{
- # port 67 and 68 same for tcp and udp, don't bother putting in an array
- my $msg = "";
- my @tcp_reserved = (81,222,445);
- my $prt = $_[0]; # the port or range
- my $ryn = $_[1]; # tells us whether or not it is a port range
- my $prot = $_[2]; # protocol
- my $srcdst = $_[3]; # source or destination
- if ($ryn) { # disect port range
- if ($srcdst eq "src") {
- $msg = "$Lang::tr{'rsvd src port overlap'}";
- } else {
- $msg = "$Lang::tr{'rsvd dst port overlap'}";
- }
- my @tmprng = split(/\:/,$prt);
- unless (67 < $tmprng[0] || 67 > $tmprng[1]) { $errormessage="$msg 67"; return; }
- unless (68 < $tmprng[0] || 68 > $tmprng[1]) { $errormessage="$msg 68"; return; }
- if ($prot eq "tcp") {
- foreach my $prange (@tcp_reserved) {
- unless ($prange < $tmprng[0] || $prange > $tmprng[1]) { $errormessage="$msg $prange"; return; }
- }
- }
- } else {
- if ($srcdst eq "src") {
- $msg = "$Lang::tr{'reserved src port'}";
- } else {
- $msg = "$Lang::tr{'reserved dst port'}";
- }
- if ($prt == 67) { $errormessage="$msg 67"; return; }
- if ($prt == 68) { $errormessage="$msg 68"; return; }
- if ($prot eq "tcp") {
- foreach my $prange (@tcp_reserved) {
- if ($prange == $prt) { $errormessage="$msg $prange"; return; }
- }
- }
- }
- return;
-}
-