mbox

Updated: Enable ipv6 addresses in Firewall logs

Message ID 568EB436.9080309@eitelwein.net
State Dropped
Headers

Message

Michael Eitelwein Jan. 8, 2016, 5:53 a.m. UTC 
  Updated: Enable correct display of ipv6 entries in Firewall log pages of web UI.


3 main changes:
  - Fill $iface and $out from PHYSIN and PHYSOUT when looking at bridged packets, otherwise fill from IN and OUT
  - Recognize ipv4 and ipv6 address style for $srcaddr and $dstaddr
  - Match color coding of tables to pie charts (see seperate patch sent earlier)

I am using the bridged ipv6 setup as proposed in the wiki. I do not think this breaks anything when not using ipv6. So it would be nice to include this even if ipv6 is not officially supported yet. It is quite useful when using the ipv6 setup.

This is an updated version to my previous email (as a full diff to master).

Signed-off-by: Michael Eitelwein <michael@eitelwein.net>
---

Comments

Michael Tremer Jan. 8, 2016, 10:44 a.m. UTC | #1 
Hi,

this patch is much bigger than the last one which makes it a bit
difficult to review.

On Thu, 2016-01-07 at 19:53 +0100, Michael Eitelwein wrote:
> Updated: Enable correct display of ipv6 entries in Firewall log pages
> of web UI.

Generally IPFire 2 does not support IPv6, but it is enabled at some
places so that it can be used. However, there will be no full IPv6
support in IPFire 2 since there is a horrible CGI web user interface
which is hardly extensible.

Patches like these are okay though.

> 3 main changes:
>   - Fill $iface and $out from PHYSIN and PHYSOUT when looking at
> bridged packets, otherwise fill from IN and OUT

This will hopefully work for IPv4 as well :)

>   - Recognize ipv4 and ipv6 address style for $srcaddr and $dstaddr
>   - Match color coding of tables to pie charts (see seperate patch
> sent earlier)

It looks like this is included in this one as well. It would be better
to have extra patches for both changes and reference the dependency in
the commit message.

> I am using the bridged ipv6 setup as proposed in the wiki. I do not
> think this breaks anything when not using ipv6. So it would be nice
> to include this even if ipv6 is not officially supported yet. It is
> quite useful when using the ipv6 setup.

@Matthias: Could you maybe review and test this patch in a non-IPv6
setup?

> This is an updated version to my previous email (as a full diff to
> master).

What has been updated?

> 
> Signed-off-by: Michael Eitelwein <michael@eitelwein.net>
> ---
> diff --git a/html/cgi-bin/logs.cgi/firewalllog.dat b/html/cgi-
> bin/logs.cgi/firewalllog.dat
> index 5a584d6..df9b488 100644
> --- a/html/cgi-bin/logs.cgi/firewalllog.dat
> +++ b/html/cgi-bin/logs.cgi/firewalllog.dat
> @@ -328,17 +328,23 @@ END
>   $lines = 0;
>   foreach $_ (@log)
>   {
> -        /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
> +    # If ipv6 uses a bridge, PHYSIN= contains the relevant iface
> information
> +    # otherwise use IN=
> +        my $packet = '';
> +        if ($_ =~ /^... (..) (..:..:..) [\w\-]+
> kernel:(.*)(IN=.*)(PHYSIN=.*)$/) { $packet = $5; }
> +        elsif ($_ =~ /^... (..) (..:..:..) [\w\-]+
> kernel:(.*)(IN=.*)$/) { $packet = $4; }
>           my $day =  $1;
>           $day =~ tr / /0/;
>           my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
> -        my $comment = $3;
> -        my $packet = $4;
> +        my $chain = $3;
> 
>           my ($iface, $srcaddr, $dstaddr, $macaddr, $proto, $srcport,
> $dstport);
> -        $iface=$1   if $packet =~ /IN=(\w+)/;
> -        $srcaddr=$1 if $packet =~ /SRC=([\d\.]+)/;
> -        $dstaddr=$1 if $packet =~ /DST=([\d\.]+)/;
> +        if ($packet =~ /PHYSIN=(\w+)/) { $iface=$1; } elsif ($packet
> =~ /IN=(\w+)/) { $iface = $1; }
> +        # Identify whether ipv4 or ipv6. Both are mutally exclusive.
> +        if ($packet =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) {
> $srcaddr=$1; }
> +                if ($packet =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-
> fA-F]{0,4})){2,7})/) { $srcaddr=$1; }
> +        if ($packet =~ /DST\=(([\d]{1,3})(\.([\d]{1,3})){3})/) {
> $dstaddr=$1; }
> +                if ($packet =~ /DST\=(([0-9a-fA-F]{0,4})(\:([0-9a-
> fA-F]{0,4})){2,7})/) { $dstaddr=$1; }
>           $macaddr=$1 if $packet =~ /MAC=([\w+\:]+)/;
>           $proto=$1   if $packet =~ /PROTO=(\w+)/;
>           $srcport=$1 if $packet =~ /SPT=(\d+)/;
> @@ -366,7 +372,7 @@ foreach $_ (@log)
>           print <<END
> 
>           <td align='center' $col>$time</td>
> -        <td align='center' $col>$comment</td>
> +        <td align='center' $col>$chain</td>
>           <td align='center' $col>$iface</td>
>           <td align='center' $col>$proto</td>
>           <td align='center' $col><a href='/cgi-
> bin/ipinfo.cgi?ip=$srcaddr'>$srcaddr</a><br /><a href='/cgi-
> bin/ipinfo.cgi?ip=$dstaddr'>$dstaddr</a></td>
> diff --git a/html/cgi-bin/logs.cgi/firewalllogcountry.dat b/html/cgi-
> bin/logs.cgi/firewalllogcountry.dat
> index f998a62..087b844 100644
> --- a/html/cgi-bin/logs.cgi/firewalllogcountry.dat
> +++ b/html/cgi-bin/logs.cgi/firewalllogcountry.dat
> @@ -261,7 +261,6 @@ if( $cgiparams{'pienumber'} !=
> 0){$pienumber=$cgiparams{'pienumber'};}
>   if( $cgiparams{'otherspie'} !=
> 0){$otherspie=$cgiparams{'otherspie'};}
>   if( $cgiparams{'showpie'} != 0){$showpie=$cgiparams{'showpie'};}
>   if( $cgiparams{'sortcolumn'} !=
> 0){$sortcolumn=$cgiparams{'sortcolumn'};}
> -
>   print <<END
>   </select>
>   </td>
> @@ -294,15 +293,24 @@ $lines = 0;
> 
>   foreach $_ (@log)
>   {
> -  /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
> +  # If ipv6 uses bridge, use PHYSIN for iface, otherwise IN
> +  if    (/^... (..) (..:..:..) [\w\-]+ kernel:(.*)(PHYSIN=.*)$/) {}
> +  elsif (/^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/) {}

Could this not be written like   (PHYS)?IN=   ?

>     my $packet = $4;
> -  $packet =~ /IN=(\w+)/;       my $iface=$1; if ( $1 =~ /2./ ){
> $iface="";}
> -  $packet =~ /SRC=([\d\.]+)/;  my $srcaddr=$1;
> +  my $iface  = '';
> +  if ($packet =~ /PHYSIN=(\w+)/) { $iface = $1; } elsif ($packet =~
> /IN=(\w+)/) { $iface = $1; }
> +  if ( $1 =~ /2./ ) { $iface=''; }
> +  my $srcaddr = '';
> +  # Find ipv4 and ipv6 addresses
> +  if    ($packet =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) {
> $srcaddr = $1; }
> +  elsif ($packet =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-
> F]{0,4})){2,7})/) { $srcaddr = $1; }
> 
>     if($iface eq $red_interface) {
> +    # Traffic from red
>       if($srcaddr ne '') {
> +      # srcaddr is set
>         my $ccode = $gi->country_code_by_name($srcaddr);
> -      if( $ccode eq '') {
> +      if ($ccode eq '') {
>             $ccode = 'unknown';
>         }
>         $tabjc{$ccode} = $tabjc{$ccode} + 1 ;
> @@ -311,11 +319,16 @@ foreach $_ (@log)
>       }
>     }
>     else {
> +    # Traffic not from red
>       if($iface ne '') {
>           $tabjc{$iface} = $tabjc{$iface} + 1 ;
>           if(($tabjc{$iface} == 1) && ($lines < $pienumber)) { $lines
> = $lines + 1; }
>           $linesjc++;
>       }
> +    else {
> +      # What to do with empty iface lines?
> +      # This probably is traffic from ipfire itself (IN= OUT=XY)?
> +    }
>     }
>   }
> 
> @@ -423,7 +436,6 @@ if ($showpie != 2 && $pienumber <= 50 &&
> $pienumber != 0) {
>           print "<img src='/graphs/fwlog-country$imagerandom.png'>";
>           print "</div>";
>   }
> -
>   print <<END
>   <table width='100%' class='tbl'>
>   <tr>
> @@ -448,10 +460,8 @@ for($s=0;$s<$lines;$s++)
>     $percent = $value[$s] * 100 / $linesjc;
>     $percent = sprintf("%.f", $percent);
>     $total = $total + $value[$s];
> -  my $colorIndex = $color % 10;
> -  if($colorIndex == 0) {
> -    $colorIndex = 10;
> -  }
> +  # colors are numbered 1 to 10
> +  my $colorIndex = ($color % 10) + 1;
>     $col="bgcolor='$color{\"color$colorIndex\"}'";
>     $color++;
>     print "<tr>";
> @@ -466,8 +476,11 @@ for($s=0;$s<$lines;$s++)
>       print"<input type='hidden' name='country' value='$key[$s]'>";
>       print"<input type='submit' value='details'></form>";
>     }
> -
> -  if($key[$s] eq 'blue0' || $key[$s] eq 'green0' || $key[$s] eq
> 'orange0') {
> +  elsif ($key[$s] eq 'unknown') {
> +        print "unknown";
> +  }
> +  # Looks dangerous to use hardcoded interface names here. Probably
> needs fixing.
> +  if ($key[$s] eq 'blue0' || $key[$s] eq 'green0' || $key[$s] eq
> 'orange0' ) {
>         print "<td align='center' $col>$key[$s]</td>";
>     }
>     else {

This unfortunately happens in many places which is one of the biggest
reasons why we will rewrite the web user interface and why extending it
is nearly impossible. At least not fun.

> @@ -489,10 +502,8 @@ for($s=0;$s<$lines;$s++)
> 
>   if($cgiparams{'otherspie'} == 2 ){}
>   else{
> -  my $colorIndex = $color % 10;
> -  if($colorIndex == 0) {
> -    $colorIndex = 10;
> -  }
> +  # colors are numbered 1 to 10
> +  my $colorIndex = ($color % 10) + 1;
>     $col="bgcolor='$color{\"color$colorIndex\"}'";
>     print "<tr>";
> 
> diff --git a/html/cgi-bin/logs.cgi/firewalllogip.dat b/html/cgi-
> bin/logs.cgi/firewalllogip.dat
> index 7d82d20..6fc3422 100644
> --- a/html/cgi-bin/logs.cgi/firewalllogip.dat
> +++ b/html/cgi-bin/logs.cgi/firewalllogip.dat
> @@ -291,7 +291,8 @@ if ($pienumber == -1 || $pienumber > $lines ||
> $sortcolumn == 2) { $pienumber =
>   $lines = 0;
>   foreach $_ (@log)
>   {
> -  if($_ =~  /SRC\=([\d\.]+)/){
> +  # Extract ipv4 or ipv6 address
> +  if (($_ =~  /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($_ =~
> /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
>       $tabjc{$1} = $tabjc{$1} + 1 ;
>       if(($tabjc{$1} == 1) && ($lines < $pienumber)) { $lines =
> $lines + 1; }
>       $linesjc++;
> @@ -428,10 +429,8 @@ for($s=0;$s<$lines;$s++)
>     $percent = $value[$s] * 100 / $linesjc;
>     $percent = sprintf("%.f", $percent);
>     $total = $total + $value[$s];
> -  my $colorIndex = $color % 10;
> -  if($colorIndex == 0) {
> -    $colorIndex = 10;
> -  }
> +  # colors are numbered 1 to 10
> +  my $colorIndex = ($color % 10) + 1;
>     $col="bgcolor='$color{\"color$colorIndex\"}'";
>     print "<tr>";
> 
> @@ -459,10 +458,8 @@ for($s=0;$s<$lines;$s++)
> 
>   if($cgiparams{'otherspie'} == 2 ){}
>   else{
> -  my $colorIndex = $color % 10;
> -  if($colorIndex == 0) {
> -    $colorIndex = 10;
> -  }
> +  # colors are numbered 1 to 10
> +  my $colorIndex = ($color % 10) + 1;
>     $col="bgcolor='$color{\"color$colorIndex\"}'";
>     print "<tr>";
> 
> diff --git a/html/cgi-bin/logs.cgi/firewalllogport.dat b/html/cgi-
> bin/logs.cgi/firewalllogport.dat
> index 5b0db62..583c1b3 100644
> --- a/html/cgi-bin/logs.cgi/firewalllogport.dat
> +++ b/html/cgi-bin/logs.cgi/firewalllogport.dat
> @@ -429,10 +429,8 @@ for($s=0;$s<$lines;$s++)
>     $percent = $value[$s] * 100 / $linesjc;
>     $percent = sprintf("%.f", $percent);
>     $total = $total + $value[$s];
> -  my $colorIndex = $color % 10;
> -  if($colorIndex == 0) {
> -    $colorIndex = 10;
> -  }
> +  # colors are numbered 1 to 10
> +  my $colorIndex = ($color % 10) + 1;
>     $col="bgcolor='$color{\"color$colorIndex\"}'";
>     print "<tr>";
> 
> @@ -446,10 +444,8 @@ for($s=0;$s<$lines;$s++)
> 
>   if($cgiparams{'otherspie'} == 2 ){}
>   else{
> -  my $colorIndex = $color % 10;
> -  if($colorIndex == 0) {
> -    $colorIndex = 10;
> -  }
> +  # colors are numbered 1 to 10
> +  my $colorIndex = ($color % 10) + 1;
>     $col="bgcolor='$color{\"color$colorIndex\"}'";
>     print "<tr>";
> 
> diff --git a/html/cgi-bin/logs.cgi/showrequestfromcountry.dat
> b/html/cgi-bin/logs.cgi/showrequestfromcountry.dat
> index 5283c42..27e7697 100644
> --- a/html/cgi-bin/logs.cgi/showrequestfromcountry.dat
> +++ b/html/cgi-bin/logs.cgi/showrequestfromcountry.dat
> @@ -158,23 +158,35 @@ if (!$skip)
>   {
>       while (<FILE>)
>       {
> -         if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
> kernel:.*(IN=.*)$/) {
> -            my $packet = $2;
> -            $packet =~ /IN=(\w+)/;       my $iface=$1; if ( $1 =~
> /2./ ){ $iface="";}
> -            $packet =~ /SRC=([\d\.]+)/;  my $srcaddr=$1;
> +      # First check whether valid log line (date, day)
> +          if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
> kernel:.*(IN=.*)$/) {
> +        # If ipv6 uses bridge, then use PHYSIN otherwise use IN
> +            if    (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
> kernel:.*(PHYSIN=.*)$/) {}
> +            elsif (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
> kernel:.*(IN=.*)$/) {}

Same as above.

> +            my $packet  = $2;
> +            my $iface   = '';
> +            my $srcaddr = '';
> +            # If ipv6 uses bridge, use PHYSIN otherwise IN
> +            if ($packet =~ /PHYSIN=(\w+)/) { $iface = $1; } elsif
> ($packet =~ /IN=(\w+)/) { $iface = $1; }
> +            # Extract ipv4 and ipv6 addresses
> +            if (($packet =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/)
> or ($packet =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-
> F]{0,4})){2,7})/)) {
> +              $srcaddr = $1;
> +            };
> 
>               if($iface eq $country) {
> +                # iface matches country code
>                   $log[$lines] = $_;
>                   $lines++;
>               }
>               elsif($srcaddr ne '') {
> +                # or srcaddr matches country code
>                   my $ccode = $gi->country_code_by_name($srcaddr);
> -                if($ccode eq $country){
> +                if($ccode eq uc($country)){
>                       $log[$lines] = $_;
>                       $lines++;
>                   }
>               }
> -        }
> +          }
>       }
>       close (FILE);
>   }
> @@ -194,16 +206,28 @@ if ($multifile) {
>           }
>           if (!$skip) {
>           while (<FILE>) {
> -             if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
> kernel:.*(IN=.*)$/) {
> -                if($_ =~  /SRC\=([\d\.]+)/){
> -                    my $srcaddr=$1;
> -                    my $ccode = $gi->country_code_by_name($srcaddr);
> -                    if($ccode eq $country){
> +                  # Check if valid log line (date, day)
> +           if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
> kernel:.*(IN=.*)$/) {
> +                    my  $iface = '';
> +                    # If ipv6 uses bridge, then use PHYSIN otherwise
> IN
> +                    if ($_ =~ /PHYSIN=(\w+)/) { $iface = $1; } elsif
> ($_ =~ /IN=(\w+)/) { $iface = $1; }
> +
> +                    if($iface eq $country) {
> +                      # iface matches country code
> +                      $log[$lines] = $_;
> +                      $lines++;
> +                    }
> +                    # extract ipv4 and ipv6 address
> +                    elsif (($_ =~
> /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($_ =~ /SRC\=(([0-9a-fA-
> F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
> +                      my $srcaddr=$1;
> +                      my $ccode = $gi-
> >country_code_by_name($srcaddr);
> +                      if($ccode eq uc($country)){
> +                        # or srcaddr matches country code
>                           $log[$lines] = $_;
>                           $lines++;
> +                      }
>                       }
> -                }
> -            }
> +          }
>           }
>           close (FILE);
>       }
> @@ -308,32 +332,45 @@ $lines = 0;
>   foreach $_ (@slice)
>   {
>     $a = $_;
> -  /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
> +  # If ipv6 uses bridge, use PHYSIN otherwise use IN
> +  if    (/^... (..) (..:..:..) [\w\-]+ kernel:(.*)(PHYSIN=.*)$/) {}
> +  elsif (/^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/) {};
>     my $packet = $4;
> -  $packet =~ /IN=(\w+)/;       my $iface=$1; if ( $1 =~ /2./ ){
> $iface="";}
> -  $packet =~ /SRC=([\d\.]+)/;  my $srcaddr=$1;
> +  my $iface = '';
> +  # If ipv6 uses bridge, use PHYSIN otherwise use IN
> +  if ($packet =~ /PHYSIN=(\w+)/) { $iface = $1; } elsif ($packet =~
> /IN=(\w+)/) { $iface = $1; }
> +  if ( $1 =~ /2./ ){ $iface=""; }
> +  my $srcaddr = '';
> +  # Extract ipv4 and ipv6 addresses
> +  if (($packet =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or
> ($packet =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/))
> {
> +    $srcaddr = $1;
> +  };
> 
>     if($iface eq $country || $srcaddr ne '') {
> -    my $ccode;
> +    my $ccode='';
>       if($iface ne $country) {
>         $ccode = $gi->country_code_by_name($srcaddr);
>       }
> -    if($iface eq $country || $ccode eq $country) {
> -      my $chain = '';
> +    if($iface eq $country || $ccode eq uc($country)) {
> +      my $chain = '';
>         my $in = '-'; my $out = '-';
>         my $srcaddr = ''; my $dstaddr = '';
>         my $protostr = '';
>         my $srcport = ''; my $dstport = '';
> 
> -      $_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
> +      # If ipv6 uses bridge, the use PHYSIN otherwise use IN
> +      if    ($_ =~ /(^.* ..:..:..) [\w\-]+
> kernel:(.*)(IN=.*)(PHYSIN=.*)$/) {}
> +      elsif ($_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/) {}
>         my $timestamp = $1; my $chain = $2; my $packet = $3;
>         $timestamp =~ /(...) (..) (..:..:..)/;
>         my $month = $1; my $day = $2; my $time = $3;
> 
> -      if ($a =~ /IN\=(\w+)/) { $iface = $1; }
> -      if ($a =~ /OUT\=(\w+)/) { $out = $1; }
> -      if ($a =~ /SRC\=([\d\.]+)/) { $srcaddr = $1; }
> -      if ($a =~ /DST\=([\d\.]+)/) { $dstaddr = $1; }
> +      # If ipv6 uses bridge, use PHYSIN and PHYSOUT, otherwise use
> IN and OUT
> +      if ($a =~ /PHYSIN=(\w+)/)  { $iface = $1; } elsif ($a =~
> /IN=(\w+)/)  { $iface = $1; }
> +      if ($a =~ /PHYSOUT=(\w+)/) { $out = $1; }   elsif ($a =~
> /OUT=(\w+)/) { $out = $1; }
> +      # Extract ipv4 and ipv6 addresses
> +      if (($a =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~
> /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $srcaddr =
> $1; }
> +      if (($a =~ /DST\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~
> /DST\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $dstaddr =
> $1; }
>         if ($a =~ /PROTO\=(\w+)/) { $protostr = $1; }
>         my $protostrlc = lc($protostr);
>         if ($a =~  /SPT\=([\d\.]+)/){ $srcport = $1; }
> diff --git a/html/cgi-bin/logs.cgi/showrequestfromip.dat b/html/cgi-
> bin/logs.cgi/showrequestfromip.dat
> index 09a60b5..d7d1ace 100644
> --- a/html/cgi-bin/logs.cgi/showrequestfromip.dat
> +++ b/html/cgi-bin/logs.cgi/showrequestfromip.dat
> @@ -155,7 +155,7 @@ if (!$skip)
>           while (<FILE>)
>           {
>            if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
> kernel:.*(IN=.*)$/) {
> -                if($_ =~  /SRC\=([\d\.]+)/){
> +                if (($_ =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/)
> or ($_ =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
>                     if($1 eq $ip){
>               $log[$lines] = $_;
>               $lines++;
> @@ -182,12 +182,12 @@ if ($multifile) {
>           if (!$skip) {
>           while (<FILE>) {
>                if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
> kernel:.*(IN=.*)$/) {
> -                       if($_ =~  /SRC\=([\d\.]+)/){
> -                         if($1 eq $ip){
> +                          if (($_ =~
> /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($_ =~ /SRC\=(([0-9a-fA-
> F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
> +                            if($1 eq $ip){
>                   $log[$lines] = $_;
>                   $lines++;
> -                         }
> -                       }
> +                            }
> +                          }
>               }
>           }
>           close (FILE);
> @@ -293,7 +293,8 @@ $lines = 0;
>   foreach $_ (@slice)
>   {
>     $a = $_;
> -  if($_ =~  /SRC\=([\d\.]+)/){
> +  # Check whether valid ipv4 or ipv6 address
> +  if (($_ =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($_ =~
> /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
>       if($1 eq $ip){
>       my $chain = '';
>             my $in = '-'; my $out = '-';
> @@ -301,15 +302,19 @@ foreach $_ (@slice)
>       my $protostr = '';
>       my $srcport = ''; my $dstport = '';
> 
> -    $_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
> +    # If ipv6 uses bridge, the use PHYSIN, otherwise use IN
> +        if    ($_ =~ /(^.* ..:..:..) [\w\-]+
> kernel:(.*)(IN=.*)(PHYSIN=.*)$/) {}
> +        elsif ($_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/)
> {}
>       my $timestamp = $1; my $chain = $2; my $packet = $3;
>       $timestamp =~ /(...) (..) (..:..:..)/;
>       my $month = $1; my $day = $2; my $time = $3;
> 
> -    if ($a =~ /IN\=(\w+)/) { $iface = $1; }
> -    if ($a =~ /OUT\=(\w+)/) { $out = $1; }
> -    if ($a =~ /SRC\=([\d\.]+)/) { $srcaddr = $1; }
> -    if ($a =~ /DST\=([\d\.]+)/) { $dstaddr = $1; }
> +        # If ipv6 uses bridge, the use PHYSIN and PHYSOUT, otherwise
> use IN and OUT
> +        if ($a =~ /PHYSIN=(\w+)/)  { $iface = $1; } elsif ($a =~
> /IN=(\w+)/)  { $iface = $1; }
> +        if ($a =~ /PHYSOUT=(\w+)/) { $out = $1; }   elsif ($a =~
> /OUT=(\w+)/) { $out = $1; }
> +        # Detect ipv4 and ipv6 addresses
> +    if (($a =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~
> /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $srcaddr =
> $1; }
> +    if (($a =~ /DST\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~
> /DST\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $dstaddr =
> $1; }
>       if ($a =~ /PROTO\=(\w+)/) { $protostr = $1; }
>       my $protostrlc = lc($protostr);
>       if ($a =~  /SPT\=([\d\.]+)/){ $srcport = $1; }
> diff --git a/html/cgi-bin/logs.cgi/showrequestfromport.dat
> b/html/cgi-bin/logs.cgi/showrequestfromport.dat
> index ad9823c..6f5f63b 100644
> --- a/html/cgi-bin/logs.cgi/showrequestfromport.dat
> +++ b/html/cgi-bin/logs.cgi/showrequestfromport.dat
> @@ -307,15 +307,19 @@ foreach $_ (@slice)
>       my $protostr = '';
>       my $srcport = ''; my $dstport = '';
> 
> -    $_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
> +        # If ipv6 uses bridge, the use PHYSIN, otherwise use IN
> +    if    ($_ =~ /(^.* ..:..:..) [\w\-]+
> kernel:(.*)(IN=.*)(PHYSIN=.*)$/) {}
> +        elsif ($_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/)
> {}
>       my $timestamp = $1; my $chain = $2; my $packet = $3;
>       $timestamp =~ /(...) (..) (..:..:..)/;
>       my $month = $1; my $day = $2; my $time = $3; my $iface;
> 
> -    if ($a =~ /IN\=(\w+)/) { $iface = $1; }
> -    if ($a =~ /OUT\=(\w+)/) { $out = $1; }
> -    if ($a =~ /SRC\=([\d\.]+)/) { $srcaddr = $1; }
> -    if ($a =~ /DST\=([\d\.]+)/) { $dstaddr = $1; }
> +        # If ipv6 uses bridge, the use PHYSIN and PHYSOUT, otherwise
> use IN and OUT
> +    if ($a =~ /PHYSIN\=(\w+)/)  { $iface = $1; } elsif ($a =~
> /IN\=(\w+)/)  { $iface = $1; }
> +        if ($a =~ /PHYSOUT\=(\w+)/) { $out = $1; }   elsif ($a =~
> /OUT\=(\w+)/) { $out = $1; }
> +    # Detect ipv4 and ipv6 addresses
> +    if (($a =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~
> /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $srcaddr =
> $1; }
> +    if (($a =~ /DST\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~
> /DST\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $dstaddr =
> $1; }
>       if ($a =~ /PROTO\=(\w+)/) { $protostr = $1; }
>       my $protostrlc = lc($protostr);
>       if ($a =~  /SPT\=([\d\.]+)/){ $srcport = $1; }
> 

Best,
-Michael
Michael Eitelwein Jan. 8, 2016, 5:59 p.m. UTC | #2 
Hi

Sorry if the patches are split up incorrectly. I just started using git yesterday and am still fighting :-)

> Am 08.01.2016 um 00:44 schrieb Michael Tremer <michael.tremer@ipfire.org>:
> 
> Hi,
> 
> this patch is much bigger than the last one which makes it a bit
> difficult to review.
> 
> On Thu, 2016-01-07 at 19:53 +0100, Michael Eitelwein wrote:
>> Updated: Enable correct display of ipv6 entries in Firewall log pages
>> of web UI.
> 
> Generally IPFire 2 does not support IPv6, but it is enabled at some
> places so that it can be used. However, there will be no full IPv6
> support in IPFire 2 since there is a horrible CGI web user interface
> which is hardly extensible.

The code seems to be quite messy in some areas. Does it make sense to further invest into it or will it be replaced by something different in ipfire 3.0?

> Patches like these are okay though.
> 
>> 3 main changes:
>>   - Fill $iface and $out from PHYSIN and PHYSOUT when looking at
>> bridged packets, otherwise fill from IN and OUT
> 
> This will hopefully work for IPv4 as well :)
> 
>>   - Recognize ipv4 and ipv6 address style for $srcaddr and $dstaddr
>>   - Match color coding of tables to pie charts (see seperate patch
>> sent earlier)
> 
> It looks like this is included in this one as well. It would be better
> to have extra patches for both changes and reference the dependency in
> the commit message.
> 

Sorry, did not know how to produce incremental diffs when I wrote this.

>> I am using the bridged ipv6 setup as proposed in the wiki. I do not
>> think this breaks anything when not using ipv6. So it would be nice
>> to include this even if ipv6 is not officially supported yet. It is
>> quite useful when using the ipv6 setup.
> 
> @Matthias: Could you maybe review and test this patch in a non-IPv6
> setup?
> 
>> This is an updated version to my previous email (as a full diff to
>> master).
> 
> What has been updated?
> 

I had to change the regex where the firewall chain information is extracted (when bridged). It did not grab the information correctly.

>> 
>> Signed-off-by: Michael Eitelwein <michael@eitelwein.net>
>> ---
>> diff --git a/html/cgi-bin/logs.cgi/firewalllog.dat b/html/cgi-
>> bin/logs.cgi/firewalllog.dat
>> index 5a584d6..df9b488 100644
>> --- a/html/cgi-bin/logs.cgi/firewalllog.dat
>> +++ b/html/cgi-bin/logs.cgi/firewalllog.dat
>> @@ -328,17 +328,23 @@ END
>>   $lines = 0;
>>   foreach $_ (@log)
>>   {
>> -        /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
>> +    # If ipv6 uses a bridge, PHYSIN= contains the relevant iface
>> information
>> +    # otherwise use IN=
>> +        my $packet = '';
>> +        if ($_ =~ /^... (..) (..:..:..) [\w\-]+
>> kernel:(.*)(IN=.*)(PHYSIN=.*)$/) { $packet = $5; }
>> +        elsif ($_ =~ /^... (..) (..:..:..) [\w\-]+
>> kernel:(.*)(IN=.*)$/) { $packet = $4; }
>>           my $day =  $1;
>>           $day =~ tr / /0/;
>>           my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
>> -        my $comment = $3;
>> -        my $packet = $4;
>> +        my $chain = $3;
>> 
>>           my ($iface, $srcaddr, $dstaddr, $macaddr, $proto, $srcport,
>> $dstport);
>> -        $iface=$1   if $packet =~ /IN=(\w+)/;
>> -        $srcaddr=$1 if $packet =~ /SRC=([\d\.]+)/;
>> -        $dstaddr=$1 if $packet =~ /DST=([\d\.]+)/;
>> +        if ($packet =~ /PHYSIN=(\w+)/) { $iface=$1; } elsif ($packet
>> =~ /IN=(\w+)/) { $iface = $1; }
>> +        # Identify whether ipv4 or ipv6. Both are mutally exclusive.
>> +        if ($packet =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) {
>> $srcaddr=$1; }
>> +                if ($packet =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-
>> fA-F]{0,4})){2,7})/) { $srcaddr=$1; }
>> +        if ($packet =~ /DST\=(([\d]{1,3})(\.([\d]{1,3})){3})/) {
>> $dstaddr=$1; }
>> +                if ($packet =~ /DST\=(([0-9a-fA-F]{0,4})(\:([0-9a-
>> fA-F]{0,4})){2,7})/) { $dstaddr=$1; }
>>           $macaddr=$1 if $packet =~ /MAC=([\w+\:]+)/;
>>           $proto=$1   if $packet =~ /PROTO=(\w+)/;
>>           $srcport=$1 if $packet =~ /SPT=(\d+)/;
>> @@ -366,7 +372,7 @@ foreach $_ (@log)
>>           print <<END
>> 
>>           <td align='center' $col>$time</td>
>> -        <td align='center' $col>$comment</td>
>> +        <td align='center' $col>$chain</td>
>>           <td align='center' $col>$iface</td>
>>           <td align='center' $col>$proto</td>
>>           <td align='center' $col><a href='/cgi-
>> bin/ipinfo.cgi?ip=$srcaddr'>$srcaddr</a><br /><a href='/cgi-
>> bin/ipinfo.cgi?ip=$dstaddr'>$dstaddr</a></td>
>> diff --git a/html/cgi-bin/logs.cgi/firewalllogcountry.dat b/html/cgi-
>> bin/logs.cgi/firewalllogcountry.dat
>> index f998a62..087b844 100644
>> --- a/html/cgi-bin/logs.cgi/firewalllogcountry.dat
>> +++ b/html/cgi-bin/logs.cgi/firewalllogcountry.dat
>> @@ -261,7 +261,6 @@ if( $cgiparams{'pienumber'} !=
>> 0){$pienumber=$cgiparams{'pienumber'};}
>>   if( $cgiparams{'otherspie'} !=
>> 0){$otherspie=$cgiparams{'otherspie'};}
>>   if( $cgiparams{'showpie'} != 0){$showpie=$cgiparams{'showpie'};}
>>   if( $cgiparams{'sortcolumn'} !=
>> 0){$sortcolumn=$cgiparams{'sortcolumn'};}
>> -
>>   print <<END
>>   </select>
>>   </td>
>> @@ -294,15 +293,24 @@ $lines = 0;
>> 
>>   foreach $_ (@log)
>>   {
>> -  /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
>> +  # If ipv6 uses bridge, use PHYSIN for iface, otherwise IN
>> +  if    (/^... (..) (..:..:..) [\w\-]+ kernel:(.*)(PHYSIN=.*)$/) {}
>> +  elsif (/^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/) {}
> 
> Could this not be written like   (PHYS)?IN=   ?
> 
>>     my $packet = $4;
>> -  $packet =~ /IN=(\w+)/;       my $iface=$1; if ( $1 =~ /2./ ){
>> $iface="";}
>> -  $packet =~ /SRC=([\d\.]+)/;  my $srcaddr=$1;
>> +  my $iface  = '';
>> +  if ($packet =~ /PHYSIN=(\w+)/) { $iface = $1; } elsif ($packet =~
>> /IN=(\w+)/) { $iface = $1; }
>> +  if ( $1 =~ /2./ ) { $iface=''; }
>> +  my $srcaddr = '';
>> +  # Find ipv4 and ipv6 addresses
>> +  if    ($packet =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) {
>> $srcaddr = $1; }
>> +  elsif ($packet =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-
>> F]{0,4})){2,7})/) { $srcaddr = $1; }
>> 
>>     if($iface eq $red_interface) {
>> +    # Traffic from red
>>       if($srcaddr ne '') {
>> +      # srcaddr is set
>>         my $ccode = $gi->country_code_by_name($srcaddr);
>> -      if( $ccode eq '') {
>> +      if ($ccode eq '') {
>>             $ccode = 'unknown';
>>         }
>>         $tabjc{$ccode} = $tabjc{$ccode} + 1 ;
>> @@ -311,11 +319,16 @@ foreach $_ (@log)
>>       }
>>     }
>>     else {
>> +    # Traffic not from red
>>       if($iface ne '') {
>>           $tabjc{$iface} = $tabjc{$iface} + 1 ;
>>           if(($tabjc{$iface} == 1) && ($lines < $pienumber)) { $lines
>> = $lines + 1; }
>>           $linesjc++;
>>       }
>> +    else {
>> +      # What to do with empty iface lines?
>> +      # This probably is traffic from ipfire itself (IN= OUT=XY)?
>> +    }
>>     }
>>   }
>> 
>> @@ -423,7 +436,6 @@ if ($showpie != 2 && $pienumber <= 50 &&
>> $pienumber != 0) {
>>           print "<img src='/graphs/fwlog-country$imagerandom.png'>";
>>           print "</div>";
>>   }
>> -
>>   print <<END
>>   <table width='100%' class='tbl'>
>>   <tr>
>> @@ -448,10 +460,8 @@ for($s=0;$s<$lines;$s++)
>>     $percent = $value[$s] * 100 / $linesjc;
>>     $percent = sprintf("%.f", $percent);
>>     $total = $total + $value[$s];
>> -  my $colorIndex = $color % 10;
>> -  if($colorIndex == 0) {
>> -    $colorIndex = 10;
>> -  }
>> +  # colors are numbered 1 to 10
>> +  my $colorIndex = ($color % 10) + 1;
>>     $col="bgcolor='$color{\"color$colorIndex\"}'";
>>     $color++;
>>     print "<tr>";
>> @@ -466,8 +476,11 @@ for($s=0;$s<$lines;$s++)
>>       print"<input type='hidden' name='country' value='$key[$s]'>";
>>       print"<input type='submit' value='details'></form>";
>>     }
>> -
>> -  if($key[$s] eq 'blue0' || $key[$s] eq 'green0' || $key[$s] eq
>> 'orange0') {
>> +  elsif ($key[$s] eq 'unknown') {
>> +        print "unknown";
>> +  }
>> +  # Looks dangerous to use hardcoded interface names here. Probably
>> needs fixing.
>> +  if ($key[$s] eq 'blue0' || $key[$s] eq 'green0' || $key[$s] eq
>> 'orange0' ) {
>>         print "<td align='center' $col>$key[$s]</td>";
>>     }
>>     else {
> 
> This unfortunately happens in many places which is one of the biggest
> reasons why we will rewrite the web user interface and why extending it
> is nearly impossible. At least not fun.
> 
>> @@ -489,10 +502,8 @@ for($s=0;$s<$lines;$s++)
>> 
>>   if($cgiparams{'otherspie'} == 2 ){}
>>   else{
>> -  my $colorIndex = $color % 10;
>> -  if($colorIndex == 0) {
>> -    $colorIndex = 10;
>> -  }
>> +  # colors are numbered 1 to 10
>> +  my $colorIndex = ($color % 10) + 1;
>>     $col="bgcolor='$color{\"color$colorIndex\"}'";
>>     print "<tr>";
>> 
>> diff --git a/html/cgi-bin/logs.cgi/firewalllogip.dat b/html/cgi-
>> bin/logs.cgi/firewalllogip.dat
>> index 7d82d20..6fc3422 100644
>> --- a/html/cgi-bin/logs.cgi/firewalllogip.dat
>> +++ b/html/cgi-bin/logs.cgi/firewalllogip.dat
>> @@ -291,7 +291,8 @@ if ($pienumber == -1 || $pienumber > $lines ||
>> $sortcolumn == 2) { $pienumber =
>>   $lines = 0;
>>   foreach $_ (@log)
>>   {
>> -  if($_ =~  /SRC\=([\d\.]+)/){
>> +  # Extract ipv4 or ipv6 address
>> +  if (($_ =~  /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($_ =~
>> /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
>>       $tabjc{$1} = $tabjc{$1} + 1 ;
>>       if(($tabjc{$1} == 1) && ($lines < $pienumber)) { $lines =
>> $lines + 1; }
>>       $linesjc++;
>> @@ -428,10 +429,8 @@ for($s=0;$s<$lines;$s++)
>>     $percent = $value[$s] * 100 / $linesjc;
>>     $percent = sprintf("%.f", $percent);
>>     $total = $total + $value[$s];
>> -  my $colorIndex = $color % 10;
>> -  if($colorIndex == 0) {
>> -    $colorIndex = 10;
>> -  }
>> +  # colors are numbered 1 to 10
>> +  my $colorIndex = ($color % 10) + 1;
>>     $col="bgcolor='$color{\"color$colorIndex\"}'";
>>     print "<tr>";
>> 
>> @@ -459,10 +458,8 @@ for($s=0;$s<$lines;$s++)
>> 
>>   if($cgiparams{'otherspie'} == 2 ){}
>>   else{
>> -  my $colorIndex = $color % 10;
>> -  if($colorIndex == 0) {
>> -    $colorIndex = 10;
>> -  }
>> +  # colors are numbered 1 to 10
>> +  my $colorIndex = ($color % 10) + 1;
>>     $col="bgcolor='$color{\"color$colorIndex\"}'";
>>     print "<tr>";
>> 
>> diff --git a/html/cgi-bin/logs.cgi/firewalllogport.dat b/html/cgi-
>> bin/logs.cgi/firewalllogport.dat
>> index 5b0db62..583c1b3 100644
>> --- a/html/cgi-bin/logs.cgi/firewalllogport.dat
>> +++ b/html/cgi-bin/logs.cgi/firewalllogport.dat
>> @@ -429,10 +429,8 @@ for($s=0;$s<$lines;$s++)
>>     $percent = $value[$s] * 100 / $linesjc;
>>     $percent = sprintf("%.f", $percent);
>>     $total = $total + $value[$s];
>> -  my $colorIndex = $color % 10;
>> -  if($colorIndex == 0) {
>> -    $colorIndex = 10;
>> -  }
>> +  # colors are numbered 1 to 10
>> +  my $colorIndex = ($color % 10) + 1;
>>     $col="bgcolor='$color{\"color$colorIndex\"}'";
>>     print "<tr>";
>> 
>> @@ -446,10 +444,8 @@ for($s=0;$s<$lines;$s++)
>> 
>>   if($cgiparams{'otherspie'} == 2 ){}
>>   else{
>> -  my $colorIndex = $color % 10;
>> -  if($colorIndex == 0) {
>> -    $colorIndex = 10;
>> -  }
>> +  # colors are numbered 1 to 10
>> +  my $colorIndex = ($color % 10) + 1;
>>     $col="bgcolor='$color{\"color$colorIndex\"}'";
>>     print "<tr>";
>> 
>> diff --git a/html/cgi-bin/logs.cgi/showrequestfromcountry.dat
>> b/html/cgi-bin/logs.cgi/showrequestfromcountry.dat
>> index 5283c42..27e7697 100644
>> --- a/html/cgi-bin/logs.cgi/showrequestfromcountry.dat
>> +++ b/html/cgi-bin/logs.cgi/showrequestfromcountry.dat
>> @@ -158,23 +158,35 @@ if (!$skip)
>>   {
>>       while (<FILE>)
>>       {
>> -         if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
>> kernel:.*(IN=.*)$/) {
>> -            my $packet = $2;
>> -            $packet =~ /IN=(\w+)/;       my $iface=$1; if ( $1 =~
>> /2./ ){ $iface="";}
>> -            $packet =~ /SRC=([\d\.]+)/;  my $srcaddr=$1;
>> +      # First check whether valid log line (date, day)
>> +          if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
>> kernel:.*(IN=.*)$/) {
>> +        # If ipv6 uses bridge, then use PHYSIN otherwise use IN
>> +            if    (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
>> kernel:.*(PHYSIN=.*)$/) {}
>> +            elsif (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
>> kernel:.*(IN=.*)$/) {}
> 
> Same as above.
> 
>> +            my $packet  = $2;
>> +            my $iface   = '';
>> +            my $srcaddr = '';
>> +            # If ipv6 uses bridge, use PHYSIN otherwise IN
>> +            if ($packet =~ /PHYSIN=(\w+)/) { $iface = $1; } elsif
>> ($packet =~ /IN=(\w+)/) { $iface = $1; }
>> +            # Extract ipv4 and ipv6 addresses
>> +            if (($packet =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/)
>> or ($packet =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-
>> F]{0,4})){2,7})/)) {
>> +              $srcaddr = $1;
>> +            };
>> 
>>               if($iface eq $country) {
>> +                # iface matches country code
>>                   $log[$lines] = $_;
>>                   $lines++;
>>               }
>>               elsif($srcaddr ne '') {
>> +                # or srcaddr matches country code
>>                   my $ccode = $gi->country_code_by_name($srcaddr);
>> -                if($ccode eq $country){
>> +                if($ccode eq uc($country)){
>>                       $log[$lines] = $_;
>>                       $lines++;
>>                   }
>>               }
>> -        }
>> +          }
>>       }
>>       close (FILE);
>>   }
>> @@ -194,16 +206,28 @@ if ($multifile) {
>>           }
>>           if (!$skip) {
>>           while (<FILE>) {
>> -             if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
>> kernel:.*(IN=.*)$/) {
>> -                if($_ =~  /SRC\=([\d\.]+)/){
>> -                    my $srcaddr=$1;
>> -                    my $ccode = $gi->country_code_by_name($srcaddr);
>> -                    if($ccode eq $country){
>> +                  # Check if valid log line (date, day)
>> +           if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
>> kernel:.*(IN=.*)$/) {
>> +                    my  $iface = '';
>> +                    # If ipv6 uses bridge, then use PHYSIN otherwise
>> IN
>> +                    if ($_ =~ /PHYSIN=(\w+)/) { $iface = $1; } elsif
>> ($_ =~ /IN=(\w+)/) { $iface = $1; }
>> +
>> +                    if($iface eq $country) {
>> +                      # iface matches country code
>> +                      $log[$lines] = $_;
>> +                      $lines++;
>> +                    }
>> +                    # extract ipv4 and ipv6 address
>> +                    elsif (($_ =~
>> /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($_ =~ /SRC\=(([0-9a-fA-
>> F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
>> +                      my $srcaddr=$1;
>> +                      my $ccode = $gi-
>>> country_code_by_name($srcaddr);
>> +                      if($ccode eq uc($country)){
>> +                        # or srcaddr matches country code
>>                           $log[$lines] = $_;
>>                           $lines++;
>> +                      }
>>                       }
>> -                }
>> -            }
>> +          }
>>           }
>>           close (FILE);
>>       }
>> @@ -308,32 +332,45 @@ $lines = 0;
>>   foreach $_ (@slice)
>>   {
>>     $a = $_;
>> -  /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
>> +  # If ipv6 uses bridge, use PHYSIN otherwise use IN
>> +  if    (/^... (..) (..:..:..) [\w\-]+ kernel:(.*)(PHYSIN=.*)$/) {}
>> +  elsif (/^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/) {};
>>     my $packet = $4;
>> -  $packet =~ /IN=(\w+)/;       my $iface=$1; if ( $1 =~ /2./ ){
>> $iface="";}
>> -  $packet =~ /SRC=([\d\.]+)/;  my $srcaddr=$1;
>> +  my $iface = '';
>> +  # If ipv6 uses bridge, use PHYSIN otherwise use IN
>> +  if ($packet =~ /PHYSIN=(\w+)/) { $iface = $1; } elsif ($packet =~
>> /IN=(\w+)/) { $iface = $1; }
>> +  if ( $1 =~ /2./ ){ $iface=""; }
>> +  my $srcaddr = '';
>> +  # Extract ipv4 and ipv6 addresses
>> +  if (($packet =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or
>> ($packet =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/))
>> {
>> +    $srcaddr = $1;
>> +  };
>> 
>>     if($iface eq $country || $srcaddr ne '') {
>> -    my $ccode;
>> +    my $ccode='';
>>       if($iface ne $country) {
>>         $ccode = $gi->country_code_by_name($srcaddr);
>>       }
>> -    if($iface eq $country || $ccode eq $country) {
>> -      my $chain = '';
>> +    if($iface eq $country || $ccode eq uc($country)) {
>> +      my $chain = '';
>>         my $in = '-'; my $out = '-';
>>         my $srcaddr = ''; my $dstaddr = '';
>>         my $protostr = '';
>>         my $srcport = ''; my $dstport = '';
>> 
>> -      $_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
>> +      # If ipv6 uses bridge, the use PHYSIN otherwise use IN
>> +      if    ($_ =~ /(^.* ..:..:..) [\w\-]+
>> kernel:(.*)(IN=.*)(PHYSIN=.*)$/) {}
>> +      elsif ($_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/) {}
>>         my $timestamp = $1; my $chain = $2; my $packet = $3;
>>         $timestamp =~ /(...) (..) (..:..:..)/;
>>         my $month = $1; my $day = $2; my $time = $3;
>> 
>> -      if ($a =~ /IN\=(\w+)/) { $iface = $1; }
>> -      if ($a =~ /OUT\=(\w+)/) { $out = $1; }
>> -      if ($a =~ /SRC\=([\d\.]+)/) { $srcaddr = $1; }
>> -      if ($a =~ /DST\=([\d\.]+)/) { $dstaddr = $1; }
>> +      # If ipv6 uses bridge, use PHYSIN and PHYSOUT, otherwise use
>> IN and OUT
>> +      if ($a =~ /PHYSIN=(\w+)/)  { $iface = $1; } elsif ($a =~
>> /IN=(\w+)/)  { $iface = $1; }
>> +      if ($a =~ /PHYSOUT=(\w+)/) { $out = $1; }   elsif ($a =~
>> /OUT=(\w+)/) { $out = $1; }
>> +      # Extract ipv4 and ipv6 addresses
>> +      if (($a =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~
>> /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $srcaddr =
>> $1; }
>> +      if (($a =~ /DST\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~
>> /DST\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $dstaddr =
>> $1; }
>>         if ($a =~ /PROTO\=(\w+)/) { $protostr = $1; }
>>         my $protostrlc = lc($protostr);
>>         if ($a =~  /SPT\=([\d\.]+)/){ $srcport = $1; }
>> diff --git a/html/cgi-bin/logs.cgi/showrequestfromip.dat b/html/cgi-
>> bin/logs.cgi/showrequestfromip.dat
>> index 09a60b5..d7d1ace 100644
>> --- a/html/cgi-bin/logs.cgi/showrequestfromip.dat
>> +++ b/html/cgi-bin/logs.cgi/showrequestfromip.dat
>> @@ -155,7 +155,7 @@ if (!$skip)
>>           while (<FILE>)
>>           {
>>            if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
>> kernel:.*(IN=.*)$/) {
>> -                if($_ =~  /SRC\=([\d\.]+)/){
>> +                if (($_ =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/)
>> or ($_ =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
>>                     if($1 eq $ip){
>>               $log[$lines] = $_;
>>               $lines++;
>> @@ -182,12 +182,12 @@ if ($multifile) {
>>           if (!$skip) {
>>           while (<FILE>) {
>>                if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+
>> kernel:.*(IN=.*)$/) {
>> -                       if($_ =~  /SRC\=([\d\.]+)/){
>> -                         if($1 eq $ip){
>> +                          if (($_ =~
>> /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($_ =~ /SRC\=(([0-9a-fA-
>> F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
>> +                            if($1 eq $ip){
>>                   $log[$lines] = $_;
>>                   $lines++;
>> -                         }
>> -                       }
>> +                            }
>> +                          }
>>               }
>>           }
>>           close (FILE);
>> @@ -293,7 +293,8 @@ $lines = 0;
>>   foreach $_ (@slice)
>>   {
>>     $a = $_;
>> -  if($_ =~  /SRC\=([\d\.]+)/){
>> +  # Check whether valid ipv4 or ipv6 address
>> +  if (($_ =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($_ =~
>> /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) {
>>       if($1 eq $ip){
>>       my $chain = '';
>>             my $in = '-'; my $out = '-';
>> @@ -301,15 +302,19 @@ foreach $_ (@slice)
>>       my $protostr = '';
>>       my $srcport = ''; my $dstport = '';
>> 
>> -    $_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
>> +    # If ipv6 uses bridge, the use PHYSIN, otherwise use IN
>> +        if    ($_ =~ /(^.* ..:..:..) [\w\-]+
>> kernel:(.*)(IN=.*)(PHYSIN=.*)$/) {}
>> +        elsif ($_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/)
>> {}
>>       my $timestamp = $1; my $chain = $2; my $packet = $3;
>>       $timestamp =~ /(...) (..) (..:..:..)/;
>>       my $month = $1; my $day = $2; my $time = $3;
>> 
>> -    if ($a =~ /IN\=(\w+)/) { $iface = $1; }
>> -    if ($a =~ /OUT\=(\w+)/) { $out = $1; }
>> -    if ($a =~ /SRC\=([\d\.]+)/) { $srcaddr = $1; }
>> -    if ($a =~ /DST\=([\d\.]+)/) { $dstaddr = $1; }
>> +        # If ipv6 uses bridge, the use PHYSIN and PHYSOUT, otherwise
>> use IN and OUT
>> +        if ($a =~ /PHYSIN=(\w+)/)  { $iface = $1; } elsif ($a =~
>> /IN=(\w+)/)  { $iface = $1; }
>> +        if ($a =~ /PHYSOUT=(\w+)/) { $out = $1; }   elsif ($a =~
>> /OUT=(\w+)/) { $out = $1; }
>> +        # Detect ipv4 and ipv6 addresses
>> +    if (($a =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~
>> /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $srcaddr =
>> $1; }
>> +    if (($a =~ /DST\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~
>> /DST\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $dstaddr =
>> $1; }
>>       if ($a =~ /PROTO\=(\w+)/) { $protostr = $1; }
>>       my $protostrlc = lc($protostr);
>>       if ($a =~  /SPT\=([\d\.]+)/){ $srcport = $1; }
>> diff --git a/html/cgi-bin/logs.cgi/showrequestfromport.dat
>> b/html/cgi-bin/logs.cgi/showrequestfromport.dat
>> index ad9823c..6f5f63b 100644
>> --- a/html/cgi-bin/logs.cgi/showrequestfromport.dat
>> +++ b/html/cgi-bin/logs.cgi/showrequestfromport.dat
>> @@ -307,15 +307,19 @@ foreach $_ (@slice)
>>       my $protostr = '';
>>       my $srcport = ''; my $dstport = '';
>> 
>> -    $_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
>> +        # If ipv6 uses bridge, the use PHYSIN, otherwise use IN
>> +    if    ($_ =~ /(^.* ..:..:..) [\w\-]+
>> kernel:(.*)(IN=.*)(PHYSIN=.*)$/) {}
>> +        elsif ($_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/)
>> {}
>>       my $timestamp = $1; my $chain = $2; my $packet = $3;
>>       $timestamp =~ /(...) (..) (..:..:..)/;
>>       my $month = $1; my $day = $2; my $time = $3; my $iface;
>> 
>> -    if ($a =~ /IN\=(\w+)/) { $iface = $1; }
>> -    if ($a =~ /OUT\=(\w+)/) { $out = $1; }
>> -    if ($a =~ /SRC\=([\d\.]+)/) { $srcaddr = $1; }
>> -    if ($a =~ /DST\=([\d\.]+)/) { $dstaddr = $1; }
>> +        # If ipv6 uses bridge, the use PHYSIN and PHYSOUT, otherwise
>> use IN and OUT
>> +    if ($a =~ /PHYSIN\=(\w+)/)  { $iface = $1; } elsif ($a =~
>> /IN\=(\w+)/)  { $iface = $1; }
>> +        if ($a =~ /PHYSOUT\=(\w+)/) { $out = $1; }   elsif ($a =~
>> /OUT\=(\w+)/) { $out = $1; }
>> +    # Detect ipv4 and ipv6 addresses
>> +    if (($a =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~
>> /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $srcaddr =
>> $1; }
>> +    if (($a =~ /DST\=(([\d]{1,3})(\.([\d]{1,3})){3})/) or ($a =~
>> /DST\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/)) { $dstaddr =
>> $1; }
>>       if ($a =~ /PROTO\=(\w+)/) { $protostr = $1; }
>>       my $protostrlc = lc($protostr);
>>       if ($a =~  /SPT\=([\d\.]+)/){ $srcport = $1; }
>> 
> 
> Best,
> -Michael
Matthias Fischer Jan. 9, 2016, 8:30 a.m. UTC | #3 
Hi,

On 08.01.2016 00:44, Michael Tremer wrote:
> @Matthias: Could you maybe review and test this patch in a non-IPv6
> setup?

I'll take a look... ;-)

Best,
Matthias