[ipfire-2.x.git] / html / cgi-bin / connections.cgi

#!/usr/bin/perl
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007  Michael Tremer & Christian Schmidt                      #
#                                                                             #
# 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        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

my @network=();
my @masklen=();
my @colour=();

use Net::IPv4Addr qw( :all );

use strict;

# enable only the following on debugging purpose
#use warnings;
#use CGI::Carp 'fatalsToBrowser';

require '/var/ipfire/general-functions.pl';
require "${General::swroot}/lang.pl";
require "${General::swroot}/header.pl";

#workaround to suppress a warning when a variable is used only once
my @dummy = ( ${Header::table1colour} );
undef (@dummy);

# Read various files

my %netsettings=();
&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);

open (ACTIVE, 'iptstate -1rbt |') or die 'Unable to open ip_conntrack';
my @active = <ACTIVE>;
close (ACTIVE);

my @vpn = ` route -n | grep ipsec | awk '{ print \$1" "\$3}'`;
  foreach my $route (@vpn) {
                chomp($route);
                my @temp = split(/[\t ]+/, $route);
                push(@network, $temp[0]);
                push(@masklen, $temp[1]);
                push(@colour, ${Header::colourvpn} );
        }

my $aliasfile = "${General::swroot}/ethernet/aliases";
open(ALIASES, $aliasfile) or die 'Unable to open aliases file.';
my @aliases = <ALIASES>;
close(ALIASES);

# Add Green Firewall Interface
push(@network, $netsettings{'GREEN_ADDRESS'});
push(@masklen, "255.255.255.255" );
push(@colour, ${Header::colourfw} );

# Add Green Network to Array
push(@network, $netsettings{'GREEN_NETADDRESS'});
push(@masklen, $netsettings{'GREEN_NETMASK'} );
push(@colour, ${Header::colourgreen} );

# Add Green Routes to Array
my @routes = `/sbin/route -n | /bin/grep $netsettings{'GREEN_DEV'}`;
foreach my $route (@routes) {
        chomp($route);
        my @temp = split(/[\t ]+/, $route);
        push(@network, $temp[0]);
        push(@masklen, $temp[2]);
        push(@colour, ${Header::colourgreen} );
}

# Add Firewall Localhost 127.0.0.1
push(@network, '127.0.0.1');
push(@masklen, '255.255.255.255' );
push(@colour, ${Header::colourfw} );

# Add Orange Network
if ($netsettings{'ORANGE_DEV'}) {
        push(@network, $netsettings{'ORANGE_NETADDRESS'});
        push(@masklen, $netsettings{'ORANGE_NETMASK'} );
        push(@colour, ${Header::colourorange} );
        # Add Orange Routes to Array
        @routes = `/sbin/route -n | /bin/grep $netsettings{'ORANGE_DEV'}`;
        foreach my $route (@routes) {
                  chomp($route);
                my @temp = split(/[\t ]+/, $route);
                push(@network, $temp[0]);
                push(@masklen, $temp[2]);
                push(@colour, ${Header::colourorange} );
        }
}

# Add Blue Firewall Interface
push(@network, $netsettings{'BLUE_ADDRESS'});
push(@masklen, "255.255.255.255" );
push(@colour, ${Header::colourfw} );

# Add Blue Network
if ($netsettings{'BLUE_DEV'}) {
        push(@network, $netsettings{'BLUE_NETADDRESS'});
        push(@masklen, $netsettings{'BLUE_NETMASK'} );
        push(@colour, ${Header::colourblue} );
        # Add Blue Routes to Array
        @routes = `/sbin/route -n | /bin/grep $netsettings{'BLUE_DEV'}`;
        foreach my $route (@routes) {
                  chomp($route);
                my @temp = split(/[\t ]+/, $route);
                push(@network, $temp[0]);
                push(@masklen, $temp[2]);
                push(@colour, ${Header::colourblue} );
        }
}

# Add OpenVPN net and RED/BLUE/ORANGE entry (when appropriate)
if (-e "${General::swroot}/ovpn/settings") {
    my %ovpnsettings = ();    
    &General::readhash("${General::swroot}/ovpn/settings", \%ovpnsettings);
    my @tempovpnsubnet = split("\/",$ovpnsettings{'DOVPN_SUBNET'});

    # add OpenVPN net
                push(@network, $tempovpnsubnet[0]);
                push(@masklen, $tempovpnsubnet[1]);
                push(@colour, ${Header::colourovpn} );


    if ( ($ovpnsettings{'ENABLED_BLUE'} eq 'on') && $netsettings{'BLUE_DEV'} ) {
      # add BLUE:port / proto
            push(@network, $netsettings{'BLUE_ADDRESS'} );
            push(@masklen, '255.255.255.255' );
                  push(@colour, ${Header::colourovpn} );
    }
    if ( ($ovpnsettings{'ENABLED_ORANGE'} eq 'on') && $netsettings{'ORANGE_DEV'} ) {
      # add ORANGE:port / proto
            push(@network, $netsettings{'ORANGE_ADDRESS'} );
            push(@masklen, '255.255.255.255' );
                  push(@colour, ${Header::colourovpn} );
    }
}

# Add STATIC RED aliases
if ($netsettings{'RED_DEV'}) {
        # We have a RED eth iface
        if ($netsettings{'RED_TYPE'} eq 'STATIC') {
                # We have a STATIC RED eth iface
                foreach my $line (@aliases)
                {
                        chomp($line);
                        my @temp = split(/\,/,$line);
                        if ( $temp[0] ) {
                                push(@network, $temp[0]);
                                push(@masklen, $netsettings{'RED_NETMASK'} );
                                push(@colour, ${Header::colourfw} );
                        }
                }
        }
}

# Add VPNs
if ( $vpn[0] ne 'none' ) {
        foreach my $line (@vpn) {
                my @temp = split(/[\t ]+/,$line);
                my @temp1 = split(/[\/:]+/,$temp[3]);
                push(@network, $temp1[0]);
                push(@masklen, ipv4_cidr2msk($temp1[1]));
                push(@colour, ${Header::colourvpn} );
        }
}
if (open(IP, "${General::swroot}/red/local-ipaddress")) {
        my $redip = <IP>;
        close(IP);
        chomp $redip;
        push(@network, $redip);
        push(@masklen, '255.255.255.255' );
        push(@colour, ${Header::colourfw} );
}


#Establish simple filtering&sorting boxes on top of table

our %cgiparams;
&Header::getcgihash(\%cgiparams);

my @list_proto = ($Lang::tr{'all'}, 'icmp', 'udp', 'tcp');
my @list_state = ($Lang::tr{'all'}, 'SYN_SENT', 'SYN_RECV', 'ESTABLISHED', 'FIN_WAIT',
                    'CLOSE_WAIT', 'LAST_ACK', 'TIME_WAIT', 'CLOSE', 'LISTEN');
my @list_mark = ($Lang::tr{'all'}, '[ASSURED]', '[UNREPLIED]');
my @list_sort = ('orgsip','protocol', 'expires', 'status', 'orgdip', 'orgsp',
                    'orgdp', 'exsip', 'exdip', 'exsp', 'exdp', 'marked');

# init or silently correct unknown value...
if ( ! grep ( /^$cgiparams{'SEE_PROTO'}$/ , @list_proto )) { $cgiparams{'SEE_PROTO'} = $list_proto[0] };
if ( ! grep ( /^$cgiparams{'SEE_STATE'}$/ , @list_state )) { $cgiparams{'SEE_STATE'} = $list_state[0] };
if ( ($cgiparams{'SEE_MARK'} ne $Lang::tr{'all'}) &&	# ok the grep should work but it doesn't because of
     ($cgiparams{'SEE_MARK'} ne '[ASSURED]') &&		# the '[' & ']' interpreted as list separator.
     ($cgiparams{'SEE_MARK'} ne '[UNREPLIED]')		# So, explicitly enumerate items.
   )  { $cgiparams{'SEE_MARK'}  = $list_mark[0] };
if ( ! grep ( /^$cgiparams{'SEE_SORT'}$/  , @list_sort ))  { $cgiparams{'SEE_SORT'}  = $list_sort[0] };
# *.*.*.* or a valid IP
if ( $cgiparams{'SEE_SRC'}  !~ /^(\*\.\*\.\*\.\*\.|\d+\.\d+\.\d+\.\d+)$/) {  $cgiparams{'SEE_SRC'} = '*.*.*.*' };
if ( $cgiparams{'SEE_DEST'} !~ /^(\*\.\*\.\*\.\*\.|\d+\.\d+\.\d+\.\d+)$/) {  $cgiparams{'SEE_DEST'} = '*.*.*.*' };


our %entries = ();	# will hold the lines analyzed correctly
my $unknownlines = '';	# should be empty all the time...
my $index = 0;		# just a counter to make unique entryies in entries

&Header::showhttpheaders();
&Header::openpage($Lang::tr{'connections'}, 1, '');
&Header::openbigbox('100%', 'left');
&Header::openbox('100%', 'left', $Lang::tr{'connection tracking'});

# Build listbox objects
my $menu_proto = &make_select ('SEE_PROTO', $cgiparams{'SEE_PROTO'}, @list_proto);
my $menu_state = &make_select ('SEE_STATE', $cgiparams{'SEE_STATE'}, @list_state);

print <<END
<form method='post' action='$ENV{'SCRIPT_NAME'}'>
<table width='100%'>
<tr><td align='center'><b>$Lang::tr{'legend'} : </b></td>
    <td align='center' bgcolor='${Header::colourgreen}'><b><font color='#FFFFFF'>$Lang::tr{'lan'}</font></b></td>
    <td align='center' bgcolor='${Header::colourred}'><b><font color='#FFFFFF'>$Lang::tr{'internet'}</font></b></td>
    <td align='center' bgcolor='${Header::colourorange}'><b><font color='#FFFFFF'>$Lang::tr{'dmz'}</font></b></td>
    <td align='center' bgcolor='${Header::colourblue}'><b><font color='#FFFFFF'>$Lang::tr{'wireless'}</font></b></td>
    <td align='center' bgcolor='${Header::colourfw}'><b><font color='#FFFFFF'>IPFire</font></b></td>
    <td align='center' bgcolor='${Header::colourvpn}'><b><font color='#FFFFFF'>$Lang::tr{'vpn'}</font></b></td>
    <td align='center' bgcolor='${Header::colourovpn}'><b><font color='#FFFFFF'>$Lang::tr{'OpenVPN'}</font></b></td>
</tr>
</table>
<br />
<table width='100%'>
<tr><td align='center'><font size=2>$Lang::tr{'source ip and port'}</font></td>
		<td>&nbsp;</td>
		<td align='center'><font size=2>$Lang::tr{'dest ip and port'}</font></td>
		<td>&nbsp;</td>
		<td align='center'><font size=2>$Lang::tr{'protocol'}</font></td>
		<td align='center'><font size=2>$Lang::tr{'connection'}<br></br>$Lang::tr{'status'}</font></td>
    <td align='center'><font size=2>$Lang::tr{'expires'}<br></br>($Lang::tr{'seconds'})</font></td>
    
</tr>
<tr><td colspan='4'>&nbsp;</td>
		<td align='center'>$menu_proto</td>
    <td align='center'>$menu_state</td>
    <td>&nbsp;</td>
</tr>
<tr>
    <td align='center' colspan='7'></td>
</tr>
<tr>
    <td align='center' colspan='7'><input type='submit' value="$Lang::tr{'update'}" /></td>
</tr>

END
;

my $i=0;
foreach my $line (@active) {
    $i++;
    if ($i < 3) {
			next;
    }
    chomp($line);
    my @temp = split(' ',$line);

    my ($sip, $sport) = split(':', $temp[0]);
    my ($dip, $dport) = split(':', $temp[1]);
    my $proto = $temp[2];
    my $state; my $ttl;
    if ( $proto eq "esp" ){$state = "";$ttl = $temp[3];}
    elsif ( $proto eq "icmp" ){$state = "";$ttl = $temp[4];}
    else{$state = $temp[3];$ttl = $temp[4];}
    
    next if( !(
              		(($cgiparams{'SEE_PROTO'}  eq $Lang::tr{'all'}) || ($proto  eq $cgiparams{'SEE_PROTO'} ))
    	         && (($cgiparams{'SEE_STATE'}  eq $Lang::tr{'all'}) || ($state  eq $cgiparams{'SEE_STATE'} ))
               && (($cgiparams{'SEE_SRC'}    eq "*.*.*.*")        || ($sip    eq $cgiparams{'SEE_SRC'}   ))
               && (($cgiparams{'SEE_DEST'}   eq "*.*.*.*")    	  || ($dip    eq $cgiparams{'SEE_DEST'}  ))
              ));

    if (($proto eq 'udp') && ($ttl eq '')) {
			$ttl = $state;
			$state = '&nbsp;';	
    }

    my $sipcol = ipcolour($sip);
    my $dipcol = ipcolour($dip);

    my $sserv = '';
    if ($sport < 1024) {
	$sserv = uc(getservbyport($sport, lc($proto)));
	if ($sserv ne '') {
	    $sserv = "&nbsp;($sserv)";
	}
    }

    my $dserv = '';
    if ($dport < 1024) {
	$dserv = uc(getservbyport($dport, lc($proto)));
	if ($dserv ne '') {
	    $dserv = "&nbsp;($dserv)";
	}
    }

    print <<END
    <tr >
      <td align='center' bgcolor='$sipcol'>
        <a href='/cgi-bin/ipinfo.cgi?ip=$sip'>
          <font color='#FFFFFF'>$sip</font>
        </a>
      </td>
      <td align='center' bgcolor='$sipcol'>
        <a href='http://isc.sans.org/port_details.php?port=$sport' target='top'>
          <font color='#FFFFFF'>$sport$sserv</font>
        </a>
      </td>
      <td align='center' bgcolor='$dipcol'>
        <a href='/cgi-bin/ipinfo.cgi?ip=$dip'>
          <font color='#FFFFFF'>$dip</font>
        </a>
      </td>
      <td align='center' bgcolor='$dipcol'>
        <a href='http://isc.sans.org/port_details.php?port=$dport' target='top'>
          <font color='#FFFFFF'>$dport$dserv</font>
        </a>
      </td>
      <td align='center'>$proto</td>
      <td align='center'>$state</td>
      <td align='center'>$ttl</td>
    </tr>
END
;
}

print "</table></form>";

&Header::closebox();
&Header::closebigbox();
&Header::closepage();

sub ipcolour($) {
        my $id = 0;
        my $line;
        my $colour = ${Header::colourred};
        my ($ip) = $_[0];
        my $found = 0;
        foreach $line (@network) {
					if ($network[$id] eq '') {
			 			$id++;
					} else {
						if (!$found && ipv4_in_network( $network[$id] , $masklen[$id], $ip) ) {
							$found = 1;
							$colour = $colour[$id];
						}
						$id++;
					}
        }
        return $colour
}

# Create a string containing a complete SELECT html object 
# param1: name
# param2: current value selected
# param3: field list
sub make_select ($,$,$) {
        my $select_name = shift;
        my $selected    = shift;
        my $select = "<select name='$select_name'>";

        foreach my $value (@_) {
                    my $check = $selected eq $value ? "selected='selected'" : '';
                    $select .= "<option $check value='$value'>$value</option>";
        }
        $select .= "</select>";
        return $select;
}

# Build a list of IP obtained from the %entries hash
# param1: IP field name
sub get_known_ips ($) {
        my $field = shift;
        my $qs = $cgiparams{'SEE_SORT'};	# switch the sort order
        $cgiparams{'SEE_SORT'} = $field;

        my @liste=('*.*.*.*');
        foreach my $entry ( sort sort_entries keys %entries) {
                    push (@liste, $entries{$entry}->{$field}) if (! grep (/^$entries{$entry}->{$field}$/,@liste) );
        }

        $cgiparams{'SEE_SORT'} = $qs;	#restore sort order
        return @liste;
}

# Used to sort the table containing the lines displayed.
sub sort_entries { #Reverse is not implemented
        my $qs=$cgiparams{'SEE_SORT'};
        if ($qs =~ /orgsip|orgdip|exsip|exdip/) {
                my @a = split(/\./,$entries{$a}->{$qs});
                my @b = split(/\./,$entries{$b}->{$qs});
                ($a[0]<=>$b[0]) ||
                ($a[1]<=>$b[1]) ||
                ($a[2]<=>$b[2]) ||
                ($a[3]<=>$b[3]);
        } elsif ($qs =~ /expire|orgsp|orgdp|exsp|exdp/) {
                    $entries{$a}->{$qs} <=> $entries{$b}->{$qs};
        } else {
                    $entries{$a}->{$qs} cmp $entries{$b}->{$qs};
        }
}

1;
Commit	Line	Data
ac1cfefa	1	#!/usr/bin/perl
70df8302 MT	2	###############################################################################
	3	# #
	4	# IPFire.org - A linux based firewall #
	5	# Copyright (C) 2007 Michael Tremer & Christian Schmidt #
	6	# #
	7	# This program is free software: you can redistribute it and/or modify #
	8	# it under the terms of the GNU General Public License as published by #
	9	# the Free Software Foundation, either version 3 of the License, or #
	10	# (at your option) any later version. #
	11	# #
	12	# This program is distributed in the hope that it will be useful, #
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of #
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
	15	# GNU General Public License for more details. #
	16	# #
	17	# You should have received a copy of the GNU General Public License #
	18	# along with this program. If not, see <http://www.gnu.org/licenses/>. #
	19	# #
	20	###############################################################################
ac1cfefa MT	21
	22	my @network=();
	23	my @masklen=();
	24	my @colour=();
	25
	26	use Net::IPv4Addr qw( :all );
	27
	28	use strict;
	29
	30	# enable only the following on debugging purpose
1465b127	31	#use warnings;
cb5e9c6c	32	#use CGI::Carp 'fatalsToBrowser';
ac1cfefa	33
986e08d9	34	require '/var/ipfire/general-functions.pl';
ac1cfefa MT	35	require "${General::swroot}/lang.pl";
	36	require "${General::swroot}/header.pl";
	37
	38	#workaround to suppress a warning when a variable is used only once
	39	my @dummy = ( ${Header::table1colour} );
	40	undef (@dummy);
	41
	42	# Read various files
	43
	44	my %netsettings=();
	45	&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
	46
1465b127	47	open (ACTIVE, 'iptstate -1rbt \|') or die 'Unable to open ip_conntrack';
ac1cfefa MT	48	my @active = <ACTIVE>;
	49	close (ACTIVE);
	50
18322edf CS	51	my @vpn = ` route -n \| grep ipsec \| awk '{ print \$1" "\$3}'`;
	52	foreach my $route (@vpn) {
	53	chomp($route);
	54	my @temp = split(/[\t ]+/, $route);
	55	push(@network, $temp[0]);
	56	push(@masklen, $temp[1]);
	57	push(@colour, ${Header::colourvpn} );
	58	}
ac1cfefa MT	59
	60	my $aliasfile = "${General::swroot}/ethernet/aliases";
	61	open(ALIASES, $aliasfile) or die 'Unable to open aliases file.';
	62	my @aliases = <ALIASES>;
	63	close(ALIASES);
	64
	65	# Add Green Firewall Interface
	66	push(@network, $netsettings{'GREEN_ADDRESS'});
	67	push(@masklen, "255.255.255.255" );
	68	push(@colour, ${Header::colourfw} );
	69
	70	# Add Green Network to Array
	71	push(@network, $netsettings{'GREEN_NETADDRESS'});
	72	push(@masklen, $netsettings{'GREEN_NETMASK'} );
	73	push(@colour, ${Header::colourgreen} );
	74
	75	# Add Green Routes to Array
	76	my @routes = `/sbin/route -n \| /bin/grep $netsettings{'GREEN_DEV'}`;
	77	foreach my $route (@routes) {
f9aaffa6 MT	78	chomp($route);
	79	my @temp = split(/[\t ]+/, $route);
	80	push(@network, $temp[0]);
	81	push(@masklen, $temp[2]);
	82	push(@colour, ${Header::colourgreen} );
ac1cfefa MT	83	}
	84
	85	# Add Firewall Localhost 127.0.0.1
	86	push(@network, '127.0.0.1');
	87	push(@masklen, '255.255.255.255' );
	88	push(@colour, ${Header::colourfw} );
	89
5433e2c9 MT	90	# Add Orange Network
5433e2c9 MT	91	if ($netsettings{'ORANGE_DEV'}) {
f9aaffa6 MT	92	push(@network, $netsettings{'ORANGE_NETADDRESS'});
	93	push(@masklen, $netsettings{'ORANGE_NETMASK'} );
	94	push(@colour, ${Header::colourorange} );
	95	# Add Orange Routes to Array
	96	@routes = `/sbin/route -n \| /bin/grep $netsettings{'ORANGE_DEV'}`;
	97	foreach my $route (@routes) {
	98	chomp($route);
	99	my @temp = split(/[\t ]+/, $route);
	100	push(@network, $temp[0]);
	101	push(@masklen, $temp[2]);
	102	push(@colour, ${Header::colourorange} );
	103	}
5433e2c9 MT	104	}
5433e2c9 MT	105
f9aaffa6 MT	106	# Add Blue Firewall Interface
	107	push(@network, $netsettings{'BLUE_ADDRESS'});
	108	push(@masklen, "255.255.255.255" );
	109	push(@colour, ${Header::colourfw} );
	110
5433e2c9 MT	111	# Add Blue Network
5433e2c9 MT	112	if ($netsettings{'BLUE_DEV'}) {
f9aaffa6 MT	113	push(@network, $netsettings{'BLUE_NETADDRESS'});
	114	push(@masklen, $netsettings{'BLUE_NETMASK'} );
	115	push(@colour, ${Header::colourblue} );
	116	# Add Blue Routes to Array
	117	@routes = `/sbin/route -n \| /bin/grep $netsettings{'BLUE_DEV'}`;
	118	foreach my $route (@routes) {
	119	chomp($route);
	120	my @temp = split(/[\t ]+/, $route);
	121	push(@network, $temp[0]);
	122	push(@masklen, $temp[2]);
	123	push(@colour, ${Header::colourblue} );
	124	}
5433e2c9 MT	125	}
5433e2c9 MT	126
6e13d0a5 MT	127	# Add OpenVPN net and RED/BLUE/ORANGE entry (when appropriate)
	128	if (-e "${General::swroot}/ovpn/settings") {
	129	my %ovpnsettings = ();
	130	&General::readhash("${General::swroot}/ovpn/settings", \%ovpnsettings);
	131	my @tempovpnsubnet = split("\/",$ovpnsettings{'DOVPN_SUBNET'});
	132
	133	# add OpenVPN net
f9aaffa6 MT	134	push(@network, $tempovpnsubnet[0]);
	135	push(@masklen, $tempovpnsubnet[1]);
	136	push(@colour, ${Header::colourovpn} );
6e13d0a5	137
7dbf47dc	138
6e13d0a5 MT	139	if ( ($ovpnsettings{'ENABLED_BLUE'} eq 'on') && $netsettings{'BLUE_DEV'} ) {
6e13d0a5 MT	140	# add BLUE:port / proto
f9aaffa6 MT	141	push(@network, $netsettings{'BLUE_ADDRESS'} );
	142	push(@masklen, '255.255.255.255' );
	143	push(@colour, ${Header::colourovpn} );
6e13d0a5 MT	144	}
	145	if ( ($ovpnsettings{'ENABLED_ORANGE'} eq 'on') && $netsettings{'ORANGE_DEV'} ) {
	146	# add ORANGE:port / proto
f9aaffa6 MT	147	push(@network, $netsettings{'ORANGE_ADDRESS'} );
	148	push(@masklen, '255.255.255.255' );
	149	push(@colour, ${Header::colourovpn} );
6e13d0a5 MT	150	}
	151	}
	152
ac1cfefa MT	153	# Add STATIC RED aliases
ac1cfefa MT	154	if ($netsettings{'RED_DEV'}) {
f9aaffa6 MT	155	# We have a RED eth iface
	156	if ($netsettings{'RED_TYPE'} eq 'STATIC') {
	157	# We have a STATIC RED eth iface
	158	foreach my $line (@aliases)
	159	{
	160	chomp($line);
	161	my @temp = split(/\,/,$line);
	162	if ( $temp[0] ) {
	163	push(@network, $temp[0]);
	164	push(@masklen, $netsettings{'RED_NETMASK'} );
	165	push(@colour, ${Header::colourfw} );
	166	}
	167	}
	168	}
ac1cfefa MT	169	}
	170
	171	# Add VPNs
	172	if ( $vpn[0] ne 'none' ) {
f9aaffa6 MT	173	foreach my $line (@vpn) {
	174	my @temp = split(/[\t ]+/,$line);
	175	my @temp1 = split(/[\/:]+/,$temp[3]);
	176	push(@network, $temp1[0]);
	177	push(@masklen, ipv4_cidr2msk($temp1[1]));
	178	push(@colour, ${Header::colourvpn} );
	179	}
ac1cfefa MT	180	}
ac1cfefa MT	181	if (open(IP, "${General::swroot}/red/local-ipaddress")) {
f9aaffa6 MT	182	my $redip = <IP>;
	183	close(IP);
	184	chomp $redip;
	185	push(@network, $redip);
	186	push(@masklen, '255.255.255.255' );
	187	push(@colour, ${Header::colourfw} );
ac1cfefa MT	188	}
ac1cfefa MT	189
ac1cfefa	190
c2b15814 MT	191	#Establish simple filtering&sorting boxes on top of table
	192
	193	our %cgiparams;
	194	&Header::getcgihash(\%cgiparams);
	195
	196	my @list_proto = ($Lang::tr{'all'}, 'icmp', 'udp', 'tcp');
	197	my @list_state = ($Lang::tr{'all'}, 'SYN_SENT', 'SYN_RECV', 'ESTABLISHED', 'FIN_WAIT',
f9aaffa6	198	'CLOSE_WAIT', 'LAST_ACK', 'TIME_WAIT', 'CLOSE', 'LISTEN');
c2b15814 MT	199	my @list_mark = ($Lang::tr{'all'}, '[ASSURED]', '[UNREPLIED]');
c2b15814 MT	200	my @list_sort = ('orgsip','protocol', 'expires', 'status', 'orgdip', 'orgsp',
f9aaffa6	201	'orgdp', 'exsip', 'exdip', 'exsp', 'exdp', 'marked');
c2b15814 MT	202
	203	# init or silently correct unknown value...
	204	if ( ! grep ( /^$cgiparams{'SEE_PROTO'}$/ , @list_proto )) { $cgiparams{'SEE_PROTO'} = $list_proto[0] };
	205	if ( ! grep ( /^$cgiparams{'SEE_STATE'}$/ , @list_state )) { $cgiparams{'SEE_STATE'} = $list_state[0] };
5433e2c9 MT	206	if ( ($cgiparams{'SEE_MARK'} ne $Lang::tr{'all'}) && # ok the grep should work but it doesn't because of
	207	($cgiparams{'SEE_MARK'} ne '[ASSURED]') && # the '[' & ']' interpreted as list separator.
	208	($cgiparams{'SEE_MARK'} ne '[UNREPLIED]') # So, explicitly enumerate items.
	209	) { $cgiparams{'SEE_MARK'} = $list_mark[0] };
c2b15814 MT	210	if ( ! grep ( /^$cgiparams{'SEE_SORT'}$/ , @list_sort )) { $cgiparams{'SEE_SORT'} = $list_sort[0] };
	211	# ... or a valid IP
	212	if ( $cgiparams{'SEE_SRC'} !~ /^(\\.\\.\\.\\.\|\d+\.\d+\.\d+\.\d+)$/) { $cgiparams{'SEE_SRC'} = '...' };
	213	if ( $cgiparams{'SEE_DEST'} !~ /^(\\.\\.\\.\\.\|\d+\.\d+\.\d+\.\d+)$/) { $cgiparams{'SEE_DEST'} = '...' };
	214
	215
	216	our %entries = (); # will hold the lines analyzed correctly
	217	my $unknownlines = ''; # should be empty all the time...
	218	my $index = 0; # just a counter to make unique entryies in entries
ac1cfefa	219
c2b15814 MT	220	&Header::showhttpheaders();
	221	&Header::openpage($Lang::tr{'connections'}, 1, '');
	222	&Header::openbigbox('100%', 'left');
	223	&Header::openbox('100%', 'left', $Lang::tr{'connection tracking'});
	224
1465b127 MT	225	# Build listbox objects
	226	my $menu_proto = &make_select ('SEE_PROTO', $cgiparams{'SEE_PROTO'}, @list_proto);
	227	my $menu_state = &make_select ('SEE_STATE', $cgiparams{'SEE_STATE'}, @list_state);
	228
c2b15814	229	print <<END
5433e2c9	230	<form method='post' action='$ENV{'SCRIPT_NAME'}'>
4809e64e	231	<table width='100%'>
c2b15814 MT	232	<tr><td align='center'><b>$Lang::tr{'legend'} : </b></td>
	233	<td align='center' bgcolor='${Header::colourgreen}'><b><font color='#FFFFFF'>$Lang::tr{'lan'}</font></b></td>
	234	<td align='center' bgcolor='${Header::colourred}'><b><font color='#FFFFFF'>$Lang::tr{'internet'}</font></b></td>
	235	<td align='center' bgcolor='${Header::colourorange}'><b><font color='#FFFFFF'>$Lang::tr{'dmz'}</font></b></td>
	236	<td align='center' bgcolor='${Header::colourblue}'><b><font color='#FFFFFF'>$Lang::tr{'wireless'}</font></b></td>
78331e30	237	<td align='center' bgcolor='${Header::colourfw}'><b><font color='#FFFFFF'>IPFire</font></b></td>
c2b15814	238	<td align='center' bgcolor='${Header::colourvpn}'><b><font color='#FFFFFF'>$Lang::tr{'vpn'}</font></b></td>
6e13d0a5	239	<td align='center' bgcolor='${Header::colourovpn}'><b><font color='#FFFFFF'>$Lang::tr{'OpenVPN'}</font></b></td>
c2b15814 MT	240	</tr>
c2b15814 MT	241	</table>
1465b127	242	<br />
4809e64e	243	<table width='100%'>
1465b127 MT	244	<tr><td align='center'><font size=2>$Lang::tr{'source ip and port'}</font></td>
	245	<td> </td>
	246	<td align='center'><font size=2>$Lang::tr{'dest ip and port'}</font></td>
	247	<td> </td>
	248	<td align='center'><font size=2>$Lang::tr{'protocol'}</font></td>
	249	<td align='center'><font size=2>$Lang::tr{'connection'}<br></br>$Lang::tr{'status'}</font></td>
4809e64e	250	<td align='center'><font size=2>$Lang::tr{'expires'}<br></br>($Lang::tr{'seconds'})</font></td>
1465b127	251
c2b15814	252	</tr>
1465b127 MT	253	<tr><td colspan='4'> </td>
1465b127 MT	254	<td align='center'>$menu_proto</td>
c2b15814	255	<td align='center'>$menu_state</td>
1465b127	256	<td> </td>
c2b15814	257	</tr>
4809e64e	258	<tr>
1465b127	259	<td align='center' colspan='7'></td>
4809e64e MT	260	</tr>
4809e64e MT	261	<tr>
1465b127	262	<td align='center' colspan='7'><input type='submit' value="$Lang::tr{'update'}" /></td>
4809e64e MT	263	</tr>
4809e64e MT	264
c2b15814 MT	265	END
	266	;
	267
1465b127 MT	268	my $i=0;
	269	foreach my $line (@active) {
	270	$i++;
	271	if ($i < 3) {
	272	next;
	273	}
	274	chomp($line);
	275	my @temp = split(' ',$line);
	276
	277	my ($sip, $sport) = split(':', $temp[0]);
	278	my ($dip, $dport) = split(':', $temp[1]);
	279	my $proto = $temp[2];
7dbf47dc CS	280	my $state; my $ttl;
	281	if ( $proto eq "esp" ){$state = "";$ttl = $temp[3];}
	282	elsif ( $proto eq "icmp" ){$state = "";$ttl = $temp[4];}
	283	else{$state = $temp[3];$ttl = $temp[4];}
1465b127 MT	284
	285	next if( !(
	286	(($cgiparams{'SEE_PROTO'} eq $Lang::tr{'all'}) \|\| ($proto eq $cgiparams{'SEE_PROTO'} ))
	287	&& (($cgiparams{'SEE_STATE'} eq $Lang::tr{'all'}) \|\| ($state eq $cgiparams{'SEE_STATE'} ))
	288	&& (($cgiparams{'SEE_SRC'} eq "...") \|\| ($sip eq $cgiparams{'SEE_SRC'} ))
	289	&& (($cgiparams{'SEE_DEST'} eq "...") \|\| ($dip eq $cgiparams{'SEE_DEST'} ))
	290	));
	291
	292	if (($proto eq 'udp') && ($ttl eq '')) {
	293	$ttl = $state;
	294	$state = ' ';
	295	}
	296
	297	my $sipcol = ipcolour($sip);
	298	my $dipcol = ipcolour($dip);
	299
	300	my $sserv = '';
	301	if ($sport < 1024) {
	302	$sserv = uc(getservbyport($sport, lc($proto)));
	303	if ($sserv ne '') {
	304	$sserv = " ($sserv)";
	305	}
	306	}
	307
	308	my $dserv = '';
	309	if ($dport < 1024) {
	310	$dserv = uc(getservbyport($dport, lc($proto)));
	311	if ($dserv ne '') {
	312	$dserv = " ($dserv)";
	313	}
	314	}
	315
	316	print <<END
	317	<tr >
	318	<td align='center' bgcolor='$sipcol'>
	319	<a href='/cgi-bin/ipinfo.cgi?ip=$sip'>
	320	<font color='#FFFFFF'>$sip</font>
	321	</a>
	322	</td>
	323	<td align='center' bgcolor='$sipcol'>
	324	<a href='http://isc.sans.org/port_details.php?port=$sport' target='top'>
	325	<font color='#FFFFFF'>$sport$sserv</font>
	326	</a>
	327	</td>
	328	<td align='center' bgcolor='$dipcol'>
	329	<a href='/cgi-bin/ipinfo.cgi?ip=$dip'>
	330	<font color='#FFFFFF'>$dip</font>
	331	</a>
	332	</td>
	333	<td align='center' bgcolor='$dipcol'>
	334	<a href='http://isc.sans.org/port_details.php?port=$dport' target='top'>
	335	<font color='#FFFFFF'>$dport$dserv</font>
	336	</a>
	337	</td>
	338	<td align='center'>$proto</td>
f2fdd0c1	339	<td align='center'>$state</td>
1465b127 MT	340	<td align='center'>$ttl</td>
1465b127 MT	341	</tr>
ac1cfefa	342	END
c2b15814	343	;
ac1cfefa	344	}
c2b15814	345
1465b127	346	print "</table></form>";
ac1cfefa MT	347
	348	&Header::closebox();
	349	&Header::closebigbox();
	350	&Header::closepage();
	351
	352	sub ipcolour($) {
f9aaffa6 MT	353	my $id = 0;
	354	my $line;
	355	my $colour = ${Header::colourred};
	356	my ($ip) = $_[0];
c2b15814 MT	357	my $found = 0;
c2b15814 MT	358	foreach $line (@network) {
1465b127 MT	359	if ($network[$id] eq '') {
	360	$id++;
	361	} else {
	362	if (!$found && ipv4_in_network( $network[$id] , $masklen[$id], $ip) ) {
	363	$found = 1;
	364	$colour = $colour[$id];
	365	}
	366	$id++;
	367	}
f9aaffa6 MT	368	}
f9aaffa6 MT	369	return $colour
ac1cfefa	370	}
c2b15814 MT	371
	372	# Create a string containing a complete SELECT html object
	373	# param1: name
	374	# param2: current value selected
	375	# param3: field list
	376	sub make_select ($,$,$) {
f9aaffa6 MT	377	my $select_name = shift;
	378	my $selected = shift;
	379	my $select = "<select name='$select_name'>";
	380
	381	foreach my $value (@_) {
	382	my $check = $selected eq $value ? "selected='selected'" : '';
	383	$select .= "<option $check value='$value'>$value</option>";
	384	}
	385	$select .= "</select>";
	386	return $select;
c2b15814 MT	387	}
	388
	389	# Build a list of IP obtained from the %entries hash
	390	# param1: IP field name
	391	sub get_known_ips ($) {
f9aaffa6 MT	392	my $field = shift;
	393	my $qs = $cgiparams{'SEE_SORT'}; # switch the sort order
	394	$cgiparams{'SEE_SORT'} = $field;
c2b15814	395
f9aaffa6 MT	396	my @liste=('...');
	397	foreach my $entry ( sort sort_entries keys %entries) {
	398	push (@liste, $entries{$entry}->{$field}) if (! grep (/^$entries{$entry}->{$field}$/,@liste) );
	399	}
c2b15814	400
f9aaffa6	401	$cgiparams{'SEE_SORT'} = $qs; #restore sort order
c2b15814 MT	402	return @liste;
	403	}
	404
	405	# Used to sort the table containing the lines displayed.
	406	sub sort_entries { #Reverse is not implemented
	407	my $qs=$cgiparams{'SEE_SORT'};
	408	if ($qs =~ /orgsip\|orgdip\|exsip\|exdip/) {
f9aaffa6 MT	409	my @a = split(/\./,$entries{$a}->{$qs});
	410	my @b = split(/\./,$entries{$b}->{$qs});
	411	($a[0]<=>$b[0]) \|\|
	412	($a[1]<=>$b[1]) \|\|
	413	($a[2]<=>$b[2]) \|\|
	414	($a[3]<=>$b[3]);
	415	} elsif ($qs =~ /expire\|orgsp\|orgdp\|exsp\|exdp/) {
	416	$entries{$a}->{$qs} <=> $entries{$b}->{$qs};
	417	} else {
	418	$entries{$a}->{$qs} cmp $entries{$b}->{$qs};
	419	}
c2b15814 MT	420	}
	421
	422	1;