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lib/Net/Routing/NetBSD.pm  view on Meta::CPAN

         }
         if ($gateway =~ /^link/) {
            $gateway = '0.0.0.0';
         }

         # A first sanity check to help Net::IPv4Addr
         if ($gateway !~ m{^[0-9\.]+$} || $route !~ m{^[0-9\.]+(?:/\d+)?$}) {
            #print STDERR "*** SKIP [$gateway] [$route]\n";
            next;
         }

         # Normalize IP addresses
         $route = Net::CIDR::range2cidr($route);    # 127.16 => 172.16/16
         $route = Net::CIDR::cidrvalidate($route);  # 172.16/16 => 172.16.0.0/16

         eval {
            my ($ip1, $cidr1) = Net::IPv4Addr::ipv4_parse($route);
            my ($ip2, $cidr2) = Net::IPv4Addr::ipv4_parse($gateway);
         };
         if ($@) {
            #chomp($@);
            #print "*** DEBUG[$@]\n";
            next; # Not a valid line for us.
         }

         # Ok, proceed.
         my %route = (
            route => $route,
            gateway => $gateway,
            interface => $interface,
         );

         # Default route
         if ($route eq '0.0.0.0/0') {
            $route{default} = 1;
            $route{route} = NR_DEFAULT_ROUTE4();
         }

         # Local subnet
         if ($gateway eq '0.0.0.0') {
            $route{local} = 1;
            $route{gateway} = NR_LOCAL_ROUTE4();
         }

         if ($route{route} !~ /\/\d+$/) {
            $route{route} .= '/32';
         }

         my $id = $self->_to_psv(\%route);
         if (! exists($cache{$id})) {
            #print STDERR "*** DEBUG new $id\n";
            push @routes, \%route;
            $cache{$id}++;
         }
      }
   }

   return \@routes;
}

sub _get_inet6 {
   my $self = shift;
   my ($lines) = @_;

   my @routes = ();
   my %cache = ();

   # NetBSD
   # Internet6:
   # Destination                   Gateway                   Flags     Refs     Use Mtu  Interface
   # ::/104                        ::1                       UGRS        0        0 33228  lo0 =>
   # ::/96                         ::1                       UGRS        0        0

   for my $line (@$lines) {
      my @toks = split(/\s+/, $line);

      my $route = $toks[0];
      my $gateway = $toks[1];
      my $flags = $toks[2];
      my $refs = $toks[3];
      my $use = $toks[4];
      my $mtu = $toks[5];
      my $interface = $toks[6];

      if (defined($route) && defined($gateway) && defined($interface)) {
         # Convert NetBSD strings to "universal" IP addresses
         if ($gateway =~ /^link/ || $gateway eq '::1') {
            $gateway = '::';
         }
         if ($route eq 'default') {
            $route = '::/0';
         }

         # Special case: an entry with a MAC address means a default gateway
         if ($gateway =~ /^[a-f0-9]{2}:[a-f0-9]{2}:[a-f0-9]{2}:[a-f0-9]{2}:[a-f0-9]{2}:[a-f0-9]{2}$/) {
            my %route = (
               route => NR_DEFAULT_ROUTE6(),
               gateway => $route,
               interface => $interface,
            );
            my $id = $self->_to_psv(\%route);
            if (! exists($cache{$id})) {
               push @routes, \%route;
               $cache{$id}++;
            }
         }

         # A first sanity check to help Net::IPv6Addr
         if ($route !~ m{^[0-9a-f:/]+$}i || $gateway !~ m{^[0-9a-f:/]+$}i) {
            next;
         }

         #print STDERR "*** DEBUG $route $gateway $interface\n";

         eval {
            #print "*** DEBUG $route $gateway\n";
            my $ip1 = Net::IPv6Addr::ipv6_parse($route);
            my $ip2 = Net::IPv6Addr::ipv6_parse($gateway);
         };
         if ($@) {
            #chomp($@);