###############################################################################
# #
# IPFire.org - A linux based firewall #
-# Copyright (C) 2007 Michael Tremer & Christian Schmidt #
+# Copyright (C) 2007-2011 IPFire Team #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
#use warnings;
require '/var/ipfire/general-functions.pl';
+require "${General::swroot}/lang.pl";
my %outfwsettings = ();
my %checked = ();
my $p2pentry = "";
my @p2ps = ();
my @p2pline = ();
-my @proto = ();
my $CMD = "";
my $P2PSTRING = "";
$outfwsettings{'DISPLAY_SMAC'} = '';
$outfwsettings{'DISPLAY_SIP'} = '';
$outfwsettings{'POLICY'} = 'MODE0';
+
+my @SOURCE = "";
my $SOURCE = "";
my $DESTINATION = "";
+my @PROTO = "";
my $PROTO = "";
my $DPORT = "";
my $DEV = "";
my $MAC = "";
-my $POLICY = "";
my $DO = "";
+my $DAY = "";
# read files
&General::readhash("${General::swroot}/outgoing/settings", \%outfwsettings);
&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
$netsettings{'RED_DEV'}=`cat /var/ipfire/red/iface`;
+$netsettings{'RED_IP'}=`cat /var/ipfire/red/local-ipaddress`;
open( FILE, "< $configfile" ) or die "Unable to read $configfile";
@configs = <FILE>;
if ( $outfwsettings{'POLICY'} eq 'MODE1' ) {
$outfwsettings{'STATE'} = "ALLOW";
- $POLICY = "DROP";
- $DO = "ACCEPT";
+ $DO = "RETURN";
} elsif ( $outfwsettings{'POLICY'} eq 'MODE2' ) {
$outfwsettings{'STATE'} = "DENY";
- $POLICY = "ACCEPT";
- $DO = "DROP -m comment --comment 'DROP_OUTGOINGFW'";
+ $DO = "DROP -m comment --comment 'DROP_OUTGOINGFW '";
}
### Initialize IPTables
system("/sbin/iptables --delete-chain OUTGOINGFW >/dev/null 2>&1");
system("/sbin/iptables -N OUTGOINGFW >/dev/null 2>&1");
+system("/sbin/iptables --flush OUTGOINGFWMAC >/dev/null 2>&1");
+system("/sbin/iptables --delete-chain OUTGOINGFWMAC >/dev/null 2>&1");
+system("/sbin/iptables -N OUTGOINGFWMAC >/dev/null 2>&1");
+
if ( $outfwsettings{'POLICY'} eq 'MODE0' ) {
exit 0
}
if ( $outfwsettings{'POLICY'} eq 'MODE1' ) {
- $CMD = "/sbin/iptables -A OUTGOINGFW -m state --state ESTABLISHED,RELATED -j ACCEPT";
+ $CMD = "/sbin/iptables -A OUTGOINGFW -m state --state ESTABLISHED,RELATED -j RETURN";
+ if ($DEBUG) { print "$CMD\n"; } else { system("$CMD"); }
+ $CMD = "/sbin/iptables -A OUTGOINGFWMAC -m state --state ESTABLISHED,RELATED -j RETURN";
if ($DEBUG) { print "$CMD\n"; } else { system("$CMD"); }
- $CMD = "/sbin/iptables -A OUTGOINGFW -p icmp -j ACCEPT";
+ $CMD = "/sbin/iptables -A OUTGOINGFW -p icmp -j RETURN";
+ if ($DEBUG) { print "$CMD\n"; } else { system("$CMD"); }
+ $CMD = "/sbin/iptables -A OUTGOINGFWMAC -p icmp -j RETURN";
if ($DEBUG) { print "$CMD\n"; } else { system("$CMD"); }
}
foreach $configentry (sort @configs)
{
- $SOURCE = "";
+ @SOURCE = "";
$DESTINATION = "";
$PROTO = "";
$DPORT = "";
$DEV = "";
$MAC = "";
@configline = split( /\;/, $configentry );
+
if ($outfwsettings{'STATE'} eq $configline[0]) {
if ($configline[2] eq 'green') {
- $SOURCE = "$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}";
+ @SOURCE = ("$netsettings{'GREEN_NETADDRESS'}/$netsettings{'GREEN_NETMASK'}");
$DEV = $netsettings{'GREEN_DEV'};
+ } elsif ($configline[2] eq 'red') {
+ @SOURCE = ("$netsettings{'RED_IP'}");
+ $DEV = "";
} elsif ($configline[2] eq 'blue') {
- $SOURCE = "$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}";
+ @SOURCE = ("$netsettings{'BLUE_NETADDRESS'}/$netsettings{'BLUE_NETMASK'}");
$DEV = $netsettings{'BLUE_DEV'};
} elsif ($configline[2] eq 'orange') {
- $SOURCE = "$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}";
+ @SOURCE = ("$netsettings{'ORANGE_NETADDRESS'}/$netsettings{'ORANGE_NETMASK'}");
$DEV = $netsettings{'ORANGE_DEV'};
+ } elsif ($configline[2] eq 'ipsec') {
+ @SOURCE = "";
+ $DEV = "ipsec+";
+ } elsif ($configline[2] eq 'ovpn') {
+ @SOURCE = "";
+ $DEV = "tun+";
} elsif ($configline[2] eq 'ip') {
- $SOURCE = "$configline[5]";
+ @SOURCE = ("$configline[5]");
+ $DEV = "";
+ } elsif ($configline[2] eq 'mac') {
+ @SOURCE = ("$configline[6]");
+ $DEV = "";
+ } elsif ($configline[2] eq 'all') {
+ @SOURCE = ("0/0");
$DEV = "";
- } else {
- $SOURCE = "0/0";
+ } else {
+ if ( -e "/var/ipfire/outgoing/groups/ipgroups/$configline[2]" ) {
+ @SOURCE = `cat /var/ipfire/outgoing/groups/ipgroups/$configline[2]`;
+ } elsif ( -e "/var/ipfire/outgoing/groups/macgroups/$configline[2]" ) {
+ @SOURCE = `cat /var/ipfire/outgoing/groups/macgroups/$configline[2]`;
+ $configline[2] = "mac";
+ }
$DEV = "";
}
if ($configline[7]) { $DESTINATION = "$configline[7]"; } else { $DESTINATION = "0/0"; }
-
+
if ($configline[3] eq 'tcp') {
- @proto = ("tcp");
+ @PROTO = ("tcp");
} elsif ($configline[3] eq 'udp') {
- @proto = ("udp");
- } elsif ($configline[3] eq 'all') {
- @proto = ("all");
+ @PROTO = ("udp");
+ } elsif ($configline[3] eq 'esp') {
+ @PROTO = ("esp");
+ } elsif ($configline[3] eq 'gre') {
+ @PROTO = ("gre");
} else {
- @proto = ("tcp", "udp");
+ @PROTO = ("tcp","udp");
}
-
- foreach $PROTO (@proto) {
- $CMD = "/sbin/iptables -A OUTGOINGFW -s $SOURCE -d $DESTINATION -p $PROTO";
-
- if ($configline[8]) {
- $DPORT = "$configline[8]";
- $CMD = "$CMD --dport $DPORT";
- }
-
- if ($DEV) {
- $CMD = "$CMD -i $DEV";
- }
-
- if ($configline[6]) {
- $MAC = "$configline[6]";
- $CMD = "$CMD -m mac --mac-source $MAC";
- }
-
- $CMD = "$CMD -o $netsettings{'RED_DEV'}";
- if ($configline[9] eq "aktiv") {
- if ($DEBUG) {
- print "$CMD -m limit --limit 10/minute -j LOG --log-prefix 'DROP_OUTGOINGFW'\n";
+ my $macrule = 0;
+ foreach $PROTO (@PROTO){
+ foreach $SOURCE (@SOURCE) {
+ $SOURCE =~ s/\s//gi;
+
+ if ( $SOURCE eq "" || $configline[1] eq "" ){next;}
+
+ if ( ( $configline[6] ne "" || $configline[2] eq 'mac' ) && $configline[2] ne 'all'){
+ $SOURCE =~ s/[^a-zA-Z0-9]/:/gi;
+ $CMD = "-m mac --mac-source $SOURCE -d $DESTINATION -p $PROTO";
+ $macrule = 1;
} else {
- system("$CMD -m limit --limit 10/minute -j LOG --log-prefix 'DROP_OUTGOINGFW'");
+ $CMD = "-s $SOURCE -d $DESTINATION -p $PROTO";
}
+
+ if ($configline[8] && ( $configline[3] ne 'esp' || $configline[3] ne 'gre') ) {
+ $DPORT = "$configline[8]";
+ $CMD = "$CMD -m multiport --destination-port $DPORT";
+ }
+
+ if ($DEV) {
+ $CMD = "$CMD -i $DEV";
+ }
+
+ if ($configline[17] && $configline[18]) {
+ $DAY = "";
+ if ($configline[10]){$DAY = "Mon,"}
+ if ($configline[11]){$DAY .= "Tue,"}
+ if ($configline[12]){$DAY .= "Wed,"}
+ if ($configline[13]){$DAY .= "Thu,"}
+ if ($configline[14]){$DAY .= "Fri,"}
+ if ($configline[15]){$DAY .= "Sat,"}
+ if ($configline[16]){$DAY .= "Sun"}
+ $CMD = "$CMD -m time --timestart $configline[17] --timestop $configline[18] --weekdays $DAY";
+ }
+
+ $CMD = "$CMD -o $netsettings{'RED_DEV'}";
+
+ if ( $configline[9] eq $Lang::tr{'aktiv'} && $outfwsettings{'POLICY'} eq 'MODE1' ) {
+ applyrule("$CMD -m limit --limit 10/minute -j LOG --log-prefix 'LOG_OUTGOINGFW '", $macrule);
+ } elsif ( $configline[9] eq $Lang::tr{'aktiv'} && $outfwsettings{'POLICY'} eq 'MODE2' ) {
+ applyrule("$CMD -m limit --limit 10/minute -j LOG --log-prefix 'DROP_OUTGOINGFW '", $macrule);
+ }
+
+ applyrule("$CMD -j $DO", $macrule);
}
-
- if ($DEBUG) {
- print "$CMD -j $DO\n";
- } else {
- system("$CMD -j $DO");
- }
- }
+ }
}
}
@p2ps = <FILE>;
close FILE;
-$CMD = "/sbin/iptables -A OUTGOINGFW -m ipp2p";
+$CMD = "-m ipp2p";
-foreach $p2pentry (sort @p2ps)
-{
+foreach $p2pentry (sort @p2ps) {
@p2pline = split( /\;/, $p2pentry );
if ( $outfwsettings{'POLICY'} eq 'MODE2' ) {
$DO = "DROP";
$P2PSTRING = "$P2PSTRING --$p2pline[1]";
}
} else {
- $DO = "ACCEPT";
+ $DO = "RETURN";
if ("$p2pline[2]" eq "on") {
$P2PSTRING = "$P2PSTRING --$p2pline[1]";
}
}
}
if ($P2PSTRING) {
- if ($DEBUG) {
- print "$CMD $P2PSTRING -j $DO\n";
- } else {
- system("$CMD $P2PSTRING -j $DO");
- }
+ applyrule("$CMD $P2PSTRING -j $DO", 0);
}
if ( $outfwsettings{'POLICY'} eq 'MODE1' ) {
- if ( $outfwsettings{'MODE1LOG'} eq 'on' ) {
- $CMD = "/sbin/iptables -A OUTGOINGFW -o $netsettings{'RED_DEV'} -m limit --limit 10/minute -j LOG --log-prefix 'DROP_OUTGOINGFW'";
- if ($DEBUG) {
- print "$CMD\n";
- } else {
- system("$CMD");
- }
- }
+ if ( $outfwsettings{'MODE1LOG'} eq 'on' ) {
+ applyrule("-o $netsettings{'RED_DEV'} -m limit --limit 10/minute -j LOG --log-prefix 'DROP_OUTGOINGFW '", 0);
+ }
- $CMD = "/sbin/iptables -A OUTGOINGFW -o $netsettings{'RED_DEV'} -j DROP -m comment --comment 'DROP_OUTGOINGFW'";
- if ($DEBUG) {
- print "$CMD\n";
- } else {
- system("$CMD");
+ applyrule("-o $netsettings{'RED_DEV'} -j DROP -m comment --comment 'DROP_OUTGOINGFW '", 0);
+}
+
+sub applyrule($$) {
+ my $cmd = shift;
+ my $macrule = shift;
+
+ system("/sbin/iptables -A OUTGOINGFWMAC $cmd");
+ if ($macrule == 0) {
+ system("/sbin/iptables -A OUTGOINGFW $cmd");
}
}
projects / ipfire-2.x.git / blobdiff