This is also an option.

I found throwing away what is empty in the loop was shorter to write.

-Michael

> On 7 Dec 2024, at 23:56, Bernhard Bitsch <bbitsch(a)ipfire.org> wrote:
> 
> If %interfaces contains defined interfaces only, this is not necessary.
> 
> For blue and orange interfaces this can be done by
> 
> my %interfaces = (
> $settings{'GREEN_DEV'}  => ${Header::colourgreen},
> 
> # IPsec
> "gre[0-9]+"             => ${Header::colourvpn},
> "vti[0-9]+"             => ${Header::colourvpn},
> 
> # OpenVPN
> "tun[0-9]+"             => ${Header::colourovpn},
> );
> 
> # BLUE interface
> if ($settings{BLUE_DEV} ne "") {
> $interfaces{$settings{'BLUE_DEV'} } = ${Header::colourblue};
> }
> 
> #ORANGE interface
> if ($settings{ORANGE_DEV} ne "") {
> $interfaces{$settings{'ORANGE_DEV'} }= ${Header::colourorange};
> }
> 
> For VPN this has to be adapted.
> 
> Reviewed-by-: Bernhard Bitsch <bbitsch(a)ipfire.org>
> 
> Am 06.12.2024 um 17:44 schrieb Michael Tremer:
>> Parsing any custom routes for any custom interfaces was broken so that
>> arbitrary routes were imported when not all interfaces were in use.
>> Signed-off-by: Michael Tremer <michael.tremer(a)ipfire.org>
>> ---
>>  html/cgi-bin/connections.cgi | 3 +++
>>  1 file changed, 3 insertions(+)
>> diff --git a/html/cgi-bin/connections.cgi b/html/cgi-bin/connections.cgi
>> index af375effe..705118576 100644
>> --- a/html/cgi-bin/connections.cgi
>> +++ b/html/cgi-bin/connections.cgi
>> @@ -89,6 +89,9 @@ my @routes = &General::system_output("ip", "route", "show");
>>    # Find all routes
>>  foreach my $intf (keys %interfaces) {
>> + # Skip empty interfaces
>> + next if ($intf eq "");
>> +
>>   foreach my $route (grep(/dev ${intf}/, @routes)) {
>>   if ($route =~ m/^(\d+\.\d+\.\d+\.\d+\/\d+)/) {
>>   $networks{$1} = $interfaces{$intf};
>