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- Log ----------------------------------------------------------------- commit c9e01c8cb87ff79a6fbb3a98e552757072c251ef Author: Michael Tremer michael.tremer@ipfire.org Date: Mon Aug 6 20:20:40 2012 +0200

connections.cgi: Show return paths (NAT endpoints).

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Summary of changes: html/cgi-bin/connections.cgi | 89 +++++++++++++++++++++++++++++++++++------- 1 files changed, 75 insertions(+), 14 deletions(-)

Difference in files: diff --git a/html/cgi-bin/connections.cgi b/html/cgi-bin/connections.cgi index 973a7d2..1edf3e5 100644 --- a/html/cgi-bin/connections.cgi +++ b/html/cgi-bin/connections.cgi @@ -331,9 +331,13 @@ foreach my $line (@conntrack) {

# Source and destination. my $sip; + my $sip_ret; my $dip; + my $dip_ret; my $sport; + my $sport_ret; my $dport; + my $dport_ret; my @packets; my @bytes;

@@ -349,16 +353,32 @@ foreach my $line (@conntrack) {

switch ($key) { case "src" { - $sip = $val; + if ($sip == "") { + $sip = $val; + } else { + $dip_ret = $val; + } } case "dst" { - $dip = $val; + if ($dip == "") { + $dip = $val; + } else { + $sip_ret = $val; + } } case "sport" { - $sport = $val; + if ($sport == "") { + $sport = $val; + } else { + $dport_ret = $val; + } } case "dport" { - $dport = $val; + if ($dport == "") { + $dport = $val; + } else { + $sport_ret = $val; + } } case "packets" { push(@packets, $val); @@ -375,17 +395,11 @@ foreach my $line (@conntrack) { my $sserv = ''; if ($sport < 1024) { $sserv = uc(getservbyport($sport, lc($l4proto))); - if ($sserv ne '') { - $sserv = "&nbsp;($sserv)"; - } }

my $dserv = ''; if ($dport < 1024) { $dserv = uc(getservbyport($dport, lc($l4proto))); - if ($dserv ne '') { - $dserv = "&nbsp;($dserv)"; - } }

my $bytes_in = format_bytes($bytes[0]); @@ -394,6 +408,49 @@ foreach my $line (@conntrack) { # Format TTL $ttl = format_time($ttl);

+ my $sip_extra; + if ($sip ne $sip_ret) { + $sip_extra = "<font color='#FFFFFF'>&gt;</font> "; + $sip_extra .= "<a href='/cgi-bin/ipinfo.cgi?ip=$sip_ret'>"; + $sip_extra .= " <font color='#FFFFFF'>$sip_ret</font>"; + $sip_extra .= "</a>"; + } + + my $dip_extra; + if ($dip ne $dip_ret) { + $dip_extra = "<font color='#FFFFFF'>&gt;</font> "; + $dip_extra .= "<a href='/cgi-bin/ipinfo.cgi?ip=$dip_ret'>"; + $dip_extra .= " <font color='#FFFFFF'>$dip_ret</font>"; + $dip_extra .= "</a>"; + } + + + my $sport_extra; + if ($sport ne $sport_ret) { + my $sserv_ret = ''; + if ($sport_ret < 1024) { + $sserv_ret = uc(getservbyport($sport_ret, lc($l4proto))); + } + + $sport_extra = "<font color='#FFFFFF'>&gt;</font> "; + $sport_extra .= "<a href='http://isc.sans.org/port_details.php?port=$sport_ret' target='top' title='$sserv_ret'>"; + $sport_extra .= " <font color='#FFFFFF'>$sport_ret</font>"; + $sport_extra .= "</a>"; + } + + my $dport_extra; + if ($dport ne $dport_ret) { + my $dserv_ret = ''; + if ($dport_ret < 1024) { + $dserv_ret = uc(getservbyport($dport_ret, lc($l4proto))); + } + + $dport_extra = "<font color='#FFFFFF'>&gt;</font> "; + $dport_extra .= "<a href='http://isc.sans.org/port_details.php?port=$dport_ret' target='top' title='$dserv_ret'>"; + $dport_extra .= " <font color='#FFFFFF'>$dport_ret</font>"; + $dport_extra .= "</a>"; + } + print <<END; <tr> <td align='center'>$l4proto</td> @@ -401,21 +458,25 @@ foreach my $line (@conntrack) { <a href='/cgi-bin/ipinfo.cgi?ip=$sip'> <font color='#FFFFFF'>$sip</font> </a> + $sip_extra </td> <td align='center' bgcolor='$sip_colour'> - <a href='http://isc.sans.org/port_details.php?port=$sport' target='top'> - <font color='#FFFFFF'>$sport$sserv</font> + <a href='http://isc.sans.org/port_details.php?port=$sport' target='top' title='$sserv'> + <font color='#FFFFFF'>$sport</font> </a> + $sport_extra </td> <td align='center' bgcolor='$dip_colour'> <a href='/cgi-bin/ipinfo.cgi?ip=$dip'> <font color='#FFFFFF'>$dip</font> </a> + $dip_extra </td> <td align='center' bgcolor='$dip_colour'> - <a href='http://isc.sans.org/port_details.php?port=$dport' target='top'> - <font color='#FFFFFF'>$dport$dserv</font> + <a href='http://isc.sans.org/port_details.php?port=$dport' target='top' title='$dserv'> + <font color='#FFFFFF'>$dport</font> </a> + $dport_extra </td> <td align='center'> $bytes_in / $bytes_out

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