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More tcfilter readability improvements

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This commit is contained in:
Tom Eastep 2009-05-02 10:47:23 -07:00
parent 8216a4e721
commit 2aecb9ac12
1 changed files with 33 additions and 8 deletions
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41
Shorewall/Perl/Shorewall/Tc.pm
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@ -781,8 +781,18 @@ sub process_tc_filter( $$$$$$ ) {
while ( @sportlist ) {
my ( $sport, $smask ) = ( shift @sportlist, shift @sportlist );
my $rule1;
if ( $protonumber == TCP ) {
$rule1 = join( ' ', 'match tcp src', hex_value( $sport ), "0x$smask" );
} elsif ( $protonumber == UDP ) {
$rule1 = join( ' ', 'match udp src', hex_value( $sport ), "0x$smask" );
} else {
$rule1 = "match u32 0x${sport}0000 0x${smask}0000 at nexthdr+0\\" ,
}
emit( "\nrun_tc $rule\\" ,
" match u32 0x${sport}0000 0x${smask}0000 at nexthdr+0\\" ,
" $rule1\\" ,
" flowid $devref->{number}:$class" );
}
}
@ -796,11 +806,8 @@ sub process_tc_filter( $$$$$$ ) {
my ( $icmptype , $icmpcode ) = split '//', validate_icmp( $portrange );
$icmptype = in_hex2 numeric_value1 $icmptype;
$icmpcode = in_hex2 numeric_value1 $icmpcode if defined $icmpcode;
my $rule1 = " match u8 $icmptype 0xff at nexthdr+0";
$rule1 .= "\\\n match u8 $icmpcode 0xff at nexthdr+1" if defined $icmpcode;
my $rule1 = " match icmp type $icmptype 0xff";
$rule1 .= "\\\n match icmp code $icmpcode 0xff" if defined $icmpcode;
emit( "\nrun_tc ${rule}\\" ,
"$rule1\\" ,
" flowid $devref->{number}:$class" );
@ -810,7 +817,15 @@ sub process_tc_filter( $$$$$$ ) {
while ( @portlist ) {
my ( $port, $mask ) = ( shift @portlist, shift @portlist );
my $rule1 = "match u32 0x0000${port} 0x0000${mask} at nexthdr+0";
my $rule1;
if ( $protonumber == TCP ) {
$rule1 = join( ' ', 'match tcp dst', hex_value( $port ), "0x$mask" );
} elsif ( $protonumber == UDP ) {
$rule1 = join( ' ', 'match udp dst', hex_value( $port ), "0x$mask" );
} else {
$rule1 = "match u32 0x0000${port} 0x0000${mask} at nexthdr+0";
}
if ( $sportlist eq '-' ) {
emit( "\nrun_tc ${rule}\\" ,
@ -823,9 +838,19 @@ sub process_tc_filter( $$$$$$ ) {
while ( @sportlist ) {
my ( $sport, $smask ) = ( shift @sportlist, shift @sportlist );
my $rule2;
if ( $protonumber == TCP ) {
$rule2 = join( ' ', 'match tcp src', hex_value( $sport ), "0x$smask" );
} elsif ( $protonumber == UDP ) {
$rule2 = join( ' ', 'match udp src', hex_value( $sport ), "0x$smask" );
} else {
$rule2 = "match u32 0x${sport}0000 0x${smask}0000 at nexthdr+0\\" ,
}
emit( "\nrun_tc ${rule}\\",
" $rule1\\" ,
" match u32 0x${sport}0000 0x${smask}0000 at nexthdr+0\\" ,
" $rule2\\" ,
" flowid $devref->{number}:$class" );
}
}