mirror of
https://github.com/vincentmli/bpfire.git
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465 lines
15 KiB
Perl
465 lines
15 KiB
Perl
#!/usr/bin/perl
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###############################################################################
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# #
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# IPFire.org - A linux based firewall #
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# Copyright (C) 2007-2023 IPFire Team <info@ipfire.org> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <http://www.gnu.org/licenses/>. #
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# #
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###############################################################################
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use strict;
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use Getopt::Std;
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# enable only the following on debugging purpose
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#use warnings;
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#use CGI::Carp 'fatalsToBrowser';
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require '/var/ipfire/general-functions.pl';
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require "${General::swroot}/location-functions.pl";
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require "${General::swroot}/lang.pl";
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require "${General::swroot}/header.pl";
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my %color = ();
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my %mainsettings = ();
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&General::readhash("${General::swroot}/main/settings", \%mainsettings);
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&General::readhash("/srv/web/ipfire/html/themes/ipfire/include/colors.txt", \%color);
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use POSIX();
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#workaround to suppress a warning when a variable is used only once
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my @dummy = ( ${Header::table2colour} );
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undef (@dummy);
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my %cgiparams=();
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my %logsettings=();
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my $errormessage = '';
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my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
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'Sep', 'Oct', 'Nov', 'Dec' );
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my @longmonths = ( $Lang::tr{'january'}, $Lang::tr{'february'}, $Lang::tr{'march'},
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$Lang::tr{'april'}, $Lang::tr{'may'}, $Lang::tr{'june'}, $Lang::tr{'july'}, $Lang::tr{'august'},
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$Lang::tr{'september'}, $Lang::tr{'october'}, $Lang::tr{'november'},
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$Lang::tr{'december'} );
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my @now = localtime();
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my $dow = $now[6];
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my $doy = $now[7];
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my $tdoy = $now[7];
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my $year = $now[5]+1900;
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$cgiparams{'DAY'} = $now[3];
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$cgiparams{'MONTH'} = $now[4];
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$cgiparams{'ACTION'} = '';
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&Header::getcgihash(\%cgiparams);
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$logsettings{'LOGVIEW_REVERSE'} = 'off';
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&General::readhash("${General::swroot}/logging/settings", \%logsettings);
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${Header::viewsize} = defined ($logsettings{'LOGVIEW_VIEWSIZE'}) ? $logsettings{'LOGVIEW_VIEWSIZE'} : 150;
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my $start = ($logsettings{'LOGVIEW_REVERSE'} eq 'on') ? 0x7FFFF000 : 0; #index of firts line number to display
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if ($ENV{'QUERY_STRING'} && $cgiparams{'ACTION'} ne $Lang::tr{'update'})
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{
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my @temp = split(',',$ENV{'QUERY_STRING'});
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$start = $temp[0];
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$cgiparams{'MONTH'} = $temp[1];
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$cgiparams{'DAY'} = $temp[2];
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}
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if (!($cgiparams{'MONTH'} =~ /^(0|1|2|3|4|5|6|7|8|9|10|11)$/) ||
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!($cgiparams{'DAY'} =~ /^(0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17|18|19|20|21|22|23|24|25|26|27|28|29|30|31)$/))
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{
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$cgiparams{'DAY'} = $now[3];
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$cgiparams{'MONTH'} = $now[4];
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}
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elsif($cgiparams{'ACTION'} eq '>>')
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{
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my @temp_then=();
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my @temp_now = localtime(time);
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$temp_now[4] = $cgiparams{'MONTH'};
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$temp_now[3] = $cgiparams{'DAY'};
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if ($cgiparams{'DAY'}) {
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@temp_then = localtime(POSIX::mktime(@temp_now) + 86400);
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## Retrieve the same time on the next day +
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## 86400 seconds in a day
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} else {
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$temp_now[3] = 1;
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$temp_now[4] = ($temp_now[4]+1) %12;
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@temp_then = localtime(POSIX::mktime(@temp_now) );
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$temp_then[3] = 0;
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}
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$cgiparams{'MONTH'} = $temp_then[4];
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$cgiparams{'DAY'} = $temp_then[3];
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}
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elsif($cgiparams{'ACTION'} eq '<<')
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{
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my @temp_then=();
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my @temp_now = localtime(time);
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$temp_now[4] = $cgiparams{'MONTH'};
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$temp_now[3] = $cgiparams{'DAY'};
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if ($cgiparams{'DAY'}) {
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@temp_then = localtime(POSIX::mktime(@temp_now) - 86400);
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## Retrieve the same time on the next day -
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## 86400 seconds in a day
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} else {
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$temp_now[3] = 1;
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$temp_now[4] = ($temp_now[4]-1) %12;
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@temp_then = localtime(POSIX::mktime(@temp_now) );
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$temp_then[3] = 0;
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}
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$cgiparams{'MONTH'} = $temp_then[4];
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$cgiparams{'DAY'} = $temp_then[3];
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}
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# Find in which file.gz is the log. Can be calculated because WEEKLY ROTATING of access.log
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my $gzindex;
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my $date = $cgiparams{'DAY'} == 0 ? '' : $cgiparams{'DAY'} <= 9 ? "0$cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
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{
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my $xday;
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# Calculate time. If future date, calculate for past year !!!
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if (( $cgiparams{'MONTH'} eq $now[4]) && ($cgiparams{'DAY'} > $now[3]) ||
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( $cgiparams{'MONTH'} > $now[4] ) ) {
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$xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1901 );
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$date = "$longmonths[$cgiparams{'MONTH'}] $date, ". int($year-1);
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} else {
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$xday = POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1900 );
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$date = "$longmonths[$cgiparams{'MONTH'}] $date, $year";
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}
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# calculate end of active week (saturday 23H59)
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my @then = ();
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@then = localtime(time());
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my $sunday = POSIX::mktime( 0, 0, 0, @then[3], @then[4], @then[5]);
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$sunday += (6-$then[6]) * 86400;
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# Convert delta in second to full weeks
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$gzindex = int (($sunday-$xday)/604800 );
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}
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my $monthstr = $shortmonths[$cgiparams{'MONTH'}];
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my $daystr = $cgiparams{'DAY'} == 0 ? '..' : $cgiparams{'DAY'} <= 9 ? " $cgiparams{'DAY'}" : "$cgiparams{'DAY'}";
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my $lines = 0;
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my @log=();
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my $loop = 1;
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my $filestr = 0;
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my $lastdatetime; # for debug
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my $search_for_end = 0;
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while ($gzindex >=0 && $loop) {
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# calculate file name
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if ($gzindex == 0) {
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$filestr = "/var/log/messages";
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} else {
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$filestr = "/var/log/messages.$gzindex";
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$filestr = "$filestr.gz" if -f "$filestr.gz";
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}
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# now read file if existing
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if (open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr))) {
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#&General::log("reading $filestr");
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READ:while (<FILE>) {
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my $line = $_;
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if ($line =~ /^${monthstr} ${daystr} ..:..:.. [\w\-]+ kernel:.*IN=.*$/) {
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# when standart viewing, just keep in memory the correct slice
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# it starts a '$start' and size is $viewport
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# If export, then keep all lines...
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if ($cgiparams{'ACTION'} eq $Lang::tr{'export'}){
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$log[$lines++] = "$line";
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} else {
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if ($lines++ < ($start + $Header::viewsize)) {
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push(@log,"$line");
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if (@log > $Header::viewsize) {
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shift (@log);
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}
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#} else { dont do this optimisation, need to count lines !
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# $datetime = $maxtime; # we have read viewsize lines, stop main loop
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# last READ; # exit read file
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}
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}
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$search_for_end = 1; # we find the start of slice, can look for end now
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} else {
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if ($search_for_end == 1) {
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#finish read files when date is over (test month equality only)
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$line =~ /^(...) (..) ..:..:..*$/;
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$loop = 0 if ( ($1 ne $monthstr) || ( ($daystr ne '..') && ($daystr ne $2) ) );
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}
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}
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}
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close (FILE);
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}
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$gzindex--; # will try next gz file eg 40,39,38,.... because it may have holes when ipcop stopped
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# for a long time
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}# while
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# $errormessage = "$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
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if ($cgiparams{'ACTION'} eq $Lang::tr{'export'})
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{
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print "Content-type: text/plain\n\n";
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print "IPFire firewall log\r\n";
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print "$Lang::{'date'}: $date\r\n\r\n";
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if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
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foreach $_ (@log)
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{
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/^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
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my $day = $1;
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$day =~ tr / /0/;
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my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
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my $chain = $3;
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print "$time $chain $4\r\n";
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}
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exit 0;
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}
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&Header::showhttpheaders();
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&Header::openpage($Lang::tr{'firewall log'}, 1, '');
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&Header::openbigbox('100%', 'left', '', $errormessage);
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if ($errormessage) {
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&Header::openbox('100%', 'left', $Lang::tr{'error messages'});
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print "<font class='base'>$errormessage </font>\n";
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&Header::closebox();
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}
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&Header::openbox('100%', 'left', "$Lang::tr{'settings'}");
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print <<END
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<form method='post' action='$ENV{'SCRIPT_NAME'}'>
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<table width='100%'>
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<tr>
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<td width='10%' class='base'>$Lang::tr{'month'}: </td>
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<td width='10%'>
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<select name='MONTH'>
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END
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;
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for (my $month = 0; $month < 12; $month++)
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{
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print "\t<option ";
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if ($month == $cgiparams{'MONTH'}) {
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print "selected='selected' ";
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}
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print "value='$month'>$longmonths[$month]</option>\n";
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}
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print <<END
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</select>
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</td>
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<td width='10%' class='base' align='right'> $Lang::tr{'day'}: </td>
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<td width='40%'>
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<select name='DAY'>
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END
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;
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print "<option value='0'>$Lang::tr{'all'}</option>\n";
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for (my $day = 1; $day <= 31; $day++)
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{
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print "\t<option ";
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if ($day == $cgiparams{'DAY'}) {
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print "selected='selected' ";
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}
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print "value='$day'>$day</option>\n";
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}
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print <<END
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</select>
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</td>
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<td width='5%' align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day before'}' value='<<' /></td>
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<td width='5%' align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day after'}' value='>>' /></td>
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<td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
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<td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'export'}' /></td>
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</tr>
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</table>
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</form>
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END
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;
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&Header::closebox();
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&Header::openbox('100%', 'left', $Lang::tr{'log'});
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print "<p><b>$Lang::tr{'firewall hits'} $date: $lines</b></p>";
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my $lastPageIndex = $lines - ${Header::viewsize};
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$start = $lastPageIndex if ($start >= $lastPageIndex);
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$start = 0 if ($start < 0);
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my $prev;
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if ($start == 0) {
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$prev = -1;
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} else {
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$prev = $start - ${Header::viewsize};
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$prev = 0 if ( $prev < 0);
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}
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my $next;
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if ($start == $lastPageIndex) {
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$next = -1;
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} else {
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$next = $start + ${Header::viewsize};
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$next = $lines - ${Header::viewsize} if ($next >= $lines - ${Header::viewsize});
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}
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if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @log = reverse @log; }
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if ($lines != 0) { &oldernewer(); }
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print <<END
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<table width='100%' class='tbl'>
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<tr>
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<th align='center' class='boldbase'><b>$Lang::tr{'time'}</b></th>
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<th align='center' class='boldbase'><b>$Lang::tr{'chain'}</b></th>
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<th align='center' class='boldbase'><b>$Lang::tr{'iface'}</b></th>
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<th align='center' class='boldbase'><b>$Lang::tr{'proto'}</b></th>
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<th align='center' class='boldbase'><b>$Lang::tr{'source'}<br/>$Lang::tr{'destination'}</b></th>
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<th align='center' class='boldbase'><b>$Lang::tr{'src port'}<br />$Lang::tr{'dst port'}</b></th>
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<th align='center' class='boldbase'><b>$Lang::tr{'country'}</b></th>
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<th align='center' class='boldbase'><b>$Lang::tr{'mac address'}</b></th>
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</tr>
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END
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;
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# Generate hash to translate protocol numbers into protocol names.
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my %protocols = &General::generateProtoTransHash();
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$lines = 0;
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foreach $_ (@log)
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{
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# If ipv6 uses a bridge, PHYSIN= contains the relevant iface information
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# otherwise use IN=
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my $packet = '';
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if ($_ =~ /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)(PHYSIN=.*)$/) { $packet = $5; }
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elsif ($_ =~ /^... (..) (..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/) { $packet = $4; }
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my $day = $1;
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$day =~ tr / /0/;
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my $time = $cgiparams{'DAY'} ? "$2" : "$day/$2" ;
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my $chain = $3;
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my ($iface, $srcaddr, $dstaddr, $macaddr, $proto, $srcport, $dstport);
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if ($packet =~ /PHYSIN=(\w+)/) { $iface=$1; } elsif ($packet =~ /IN=(\w+)/) { $iface = $1; }
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# Identify whether ipv4 or ipv6. Both are mutally exclusive.
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if ($packet =~ /SRC\=(([\d]{1,3})(\.([\d]{1,3})){3})/) { $srcaddr=$1; }
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if ($packet =~ /SRC\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/) { $srcaddr=$1; }
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if ($packet =~ /DST\=(([\d]{1,3})(\.([\d]{1,3})){3})/) { $dstaddr=$1; }
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if ($packet =~ /DST\=(([0-9a-fA-F]{0,4})(\:([0-9a-fA-F]{0,4})){2,7})/) { $dstaddr=$1; }
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$macaddr=$1 if $packet =~ /MAC=([\w+\:]+)/;
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$proto=$1 if $packet =~ /PROTO=(\w+)/;
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$srcport=$1 if $packet =~ /SPT=(\d+)/;
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$dstport=$1 if $packet =~ /DPT=(\d+)/;
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# Get the country code.
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my $ccode = &Location::Functions::lookup_country_code($srcaddr);
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# Lookup if the grabbed protocol is part of the protocols hash.
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if (exists ($protocols{$proto})) {
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# Translate protocol number into protocol name.
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$proto = $protocols{$proto};
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}
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my $servi = uc(getservbyport($srcport, lc($proto)));
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if ($servi ne '' && $srcport < 1024) {
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$srcport = "$srcport($servi)";
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}
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$servi = uc(getservbyport($dstport, lc($proto)));
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if ($servi ne '' && $dstport < 1024) {
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$dstport = "$dstport($servi)";
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}
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my @mactemp = split(/:/,$macaddr);
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$macaddr = "$mactemp[6]:$mactemp[7]:$mactemp[8]:$mactemp[9]:$mactemp[10]:$mactemp[11]";
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my $col="";
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if ($lines % 2) {
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print "<tr>";
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$col="bgcolor='$color{'color20'}'";
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}
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else {
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print "<tr>";
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$col="bgcolor='$color{'color22'}'";
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}
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print <<END
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<td align='center' $col>$time</td>
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<td align='center' $col>$chain</td>
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<td align='center' $col>$iface</td>
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<td align='center' $col>$proto</td>
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<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>
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<td align='center' $col>$srcport<br/>$dstport</td>
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END
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;
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# Get flag icon for of the country.
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my $flag_icon = &Location::Functions::get_flag_icon($ccode);
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if ( $flag_icon) {
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print "<td align='center' $col><a href='../country.cgi#$ccode'><img src='$flag_icon' border='0' align='absmiddle' alt='$ccode'></a></td>";
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} else {
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print "<td align='center' $col></td>";
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}
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print <<END
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<td align='center' $col>$macaddr</td>
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</tr>
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END
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;
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$lines++;
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}
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print "</table>";
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&oldernewer();
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&Header::closebox();
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&Header::closebigbox();
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&Header::closepage();
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sub oldernewer
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{
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print <<END
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<table width='100%'>
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<tr>
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END
|
|
;
|
|
|
|
print "<td align='center' width='50%'>";
|
|
if ($prev != -1) {
|
|
print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?0,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'first'}</a> ";
|
|
print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'older'}</a>";
|
|
}
|
|
else {
|
|
print "$Lang::tr{'first'} $Lang::tr{'older'}";
|
|
}
|
|
print "</td>\n";
|
|
|
|
print "<td align='center' width='50%'>";
|
|
if ($next >= 0) {
|
|
print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'newer'}</a> ";
|
|
print "<a href='/cgi-bin/logs.cgi/firewalllog.dat?$lastPageIndex,$cgiparams{'MONTH'},$cgiparams{'DAY'}'>$Lang::tr{'last'}</a>";
|
|
}
|
|
else {
|
|
print "$Lang::tr{'newer'} $Lang::tr{'last'} ";
|
|
}
|
|
print "</td>\n";
|
|
|
|
print <<END
|
|
</tr>
|
|
</table>
|
|
END
|
|
;
|
|
}
|
|
|