diff options
Diffstat (limited to 'perl-install/tinyfirewall.pm')
| -rw-r--r-- | perl-install/tinyfirewall.pm | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/perl-install/tinyfirewall.pm b/perl-install/tinyfirewall.pm index 37be4895e..7ce984c2a 100644 --- a/perl-install/tinyfirewall.pm +++ b/perl-install/tinyfirewall.pm @@ -67,15 +67,12 @@ sub DoInterface { my $GetNetworkInfo = sub { $settings{DNS_SERVERS} = join(' ', uniq(split(' ', $settings{DNS_SERVERS}), @{network::read_resolv_conf("/etc/resolv.conf")}{'dnsServer', 'dnsServer2', 'dnsServer3'})); - open NETSTAT, "/bin/netstat -in |" or die "Can't pipe from /bin/netstat: $!\n"; <NETSTAT>; <NETSTAT>; - my @interfaces = map { (split / /)[0]; } (<NETSTAT>); close NETSTAT; - open ROUTE, "/sbin/route -n |" or die "Can't pipe from /sbin/route: $!\n"; <ROUTE>; <ROUTE>; + my (undef, undef, @netstat) = `/bin/netstat -in`; + my @interfaces = map { /(\S+)/ } @netstat; + my (@route, undef, undef) = `/sbin/route -n`; my $defaultgw; my $iface; - while (<ROUTE>) { - my @parts = split /\s+/; - ($parts[0] eq "0.0.0.0") and $defaultgw = $parts[1], $iface = $parts[7]; - } close ROUTE; + foreach (@route) { my @parts = split /\s+/; $parts[0] eq "0.0.0.0" and $defaultgw = $parts[1], $iface = $parts[7] } my $fulliface = $iface; $fulliface =~ s/[0-9]+/\\\+/; $settings{PUBLIC_INTERFACES} = join(' ', uniq(split(' ', $settings{PUBLIC_INTERFACES}), $iface)); @@ -83,7 +80,7 @@ sub DoInterface { $settings{INTERNAL_IFACES} = join(' ', uniq(split(' ', $settings{INTERNAL_IFACES}), map { my $i=$_; my $f=$i; $f=~s/[0-9]+/\\\+/; if_(and_( map {$settings{$_} !~ /$i/ and $settings{$_} !~ /$f/ } ('TRUSTED_IFACES', 'PUBLIC_IFACES', 'INTERNAL_IFACES')), $i) - } (@interfaces) )); + } @interfaces )); }; my $popimap = sub { $_[0] or return; mapn { $settings{$_[0]} = $_[1] } [ qw(FORCE_PASV_FTP TCP_BLOCKED_SERVICES UDP_BLOCKED_SERVICES ICMP_ALLOWED_TYPES ENABLE_SRC_ADDR_VERIFY IP_MASQ_NETWORK IP_MASQ_MODULES REJECT_METHOD) ] , @@ -136,7 +133,7 @@ sub DoInterface { my $yes = $l->[2] ? $l->[2] : _("Yes (allow this through the firewall)"); if (my $e = $in->ask_from_list(_("Firewall Configuration Wizard"), $messages[$i], - [ $yes, $no ], or_( map { $_ and CheckService($_->[0], $_->[1]) } (@$l[4..6])) ? $yes : $no + [ $yes, $no ], or_( map { $_ && CheckService($_->[0], $_->[1]) } (@$l[4..6])) ? $yes : $no )) { map { $_ and Service ($e=~/Yes/, $_->[0], $_->[1]) } (@{@struct[$i]}[4..6]); $struct[$i][3] and $struct[$i][3]->($e=~/Yes/); @@ -146,20 +143,16 @@ sub DoInterface { } } } +sub unbox_service { + split ' ', $settings{uc($_[0]) . "_PUBLIC_SERVICES"} +} sub Service { my ($add, $protocol, $port) = @_; - if ($add) { - map { $_ eq $port and return } (split (' ', $settings{uc($protocol) . "_PUBLIC_SERVICES"})); - $settings{uc($protocol) . "_PUBLIC_SERVICES"} = join(' ',split(' ',$settings{uc($protocol) . "_PUBLIC_SERVICES"}, $port)); - } else { - $settings{uc($protocol) . "_PUBLIC_SERVICES"} = - join( ' ', map { if_($_ ne $port, $_)} (split (' ', $settings{uc($protocol) . "_PUBLIC_SERVICES"})) ); - } -} -sub CheckService { - my ($protocol, $port) = @_; - map { $_ eq $port and return 1 } split / /, $settings{uc($protocol) . "_PUBLIC_SERVICES"}; + my @l = unbox_service($protocol); + @l = uniq($add ? (@l, $port) : grep { $_ ne $port } @l); + $settings{uc($protocol) . "_PUBLIC_SERVICES"} = join(' ', @l); } +sub CheckService { member($_[1], unbox_service($_[0])); } sub Kernel22 { my ($major, $minor, $patchlevel) = (cat_("/proc/version"))[0] =~ m/^Linux version ([0-9]+)\.([0-9]+)\.([0-9]+)/; $major eq "2" && $minor eq "2"; |