html/cgi-bin/logs.cgi/showrequestfromip.dat

   1 #!/usr/bin/perl
   2 # SmoothWall CGIs
   3 #
   4 # This code is distributed under the terms of the GPL
   5 #
   6 # JC HERITIER
   7 # page inspired from the initial firewalllog.dat
   8 #
   9 # Modified for IPFire by Christian Schmidt (www.ipfire.org)
  10
  11 # enable only the following on debugging purpose
  12 #use warnings;
  13 #use CGI::Carp 'fatalsToBrowser';
  14
  15 require '/var/ipfire/general-functions.pl';
  16 require "${General::swroot}/lang.pl";
  17 require "${General::swroot}/header.pl";
  18
  19 use POSIX();
  20
  21 #workaround to suppress a warning when a variable is used only once
  22 my @dummy = ( ${Header::table2colour} );
  23 undef (@dummy);
  24
  25 my %cgiparams=();
  26 my %logsettings=();
  27 my $errormessage = '';
  28
  29 my @shortmonths = ( 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
  30         'Sep', 'Oct', 'Nov', 'Dec' );
  31 my @longmonths = ( $Lang::tr{'january'}, $Lang::tr{'february'}, $Lang::tr{'march'},
  32         $Lang::tr{'april'}, $Lang::tr{'may'}, $Lang::tr{'june'}, $Lang::tr{'july'}, $Lang::tr{'august'},
  33         $Lang::tr{'september'}, $Lang::tr{'october'}, $Lang::tr{'november'},
  34         $Lang::tr{'december'} );
  35
  36 my @now = localtime();
  37 my $dow = $now[6];
  38 my $doy = $now[7];
  39 my $tdoy = $now[7];
  40 my $year = $now[5]+1900;
  41
  42 $cgiparams{'DAY'} = $now[3];
  43 $cgiparams{'MONTH'} = $now[4];
  44 $cgiparams{'ACTION'} = '';
  45
  46 &Header::getcgihash(\%cgiparams);
  47
  48 $logsettings{'LOGVIEW_REVERSE'} = 'off';
  49 &General::readhash("${General::swroot}/logging/settings", \%logsettings);
  50
  51 my $start = -1;
  52 if ($ENV{'QUERY_STRING'} && $cgiparams{'ACTION'} ne $Lang::tr{'update'})
  53 {
  54         my @temp = split(',',$ENV{'QUERY_STRING'});
  55         $start = $temp[0];
  56         $cgiparams{'MONTH'} = $temp[1];
  57         $cgiparams{'DAY'} = $temp[2];
  58         $cgiparams{ip} = $temp[3];
  59 }
  60
  61 if (!($cgiparams{'MONTH'} =~ /^(0|1|2|3|4|5|6|7|8|9|10|11)$/) ||
  62         !($cgiparams{'DAY'} =~ /^(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)$/))
  63 {
  64         $cgiparams{'DAY'} = $now[3];
  65         $cgiparams{'MONTH'} = $now[4];
  66 }
  67 elsif($cgiparams{'ACTION'} eq '>>')
  68 {
  69         my @temp_then=();
  70         my @temp_now = localtime(time);
  71         $temp_now[4] = $cgiparams{'MONTH'};
  72         $temp_now[3] = $cgiparams{'DAY'};
  73         @temp_then = localtime(POSIX::mktime(@temp_now) + 86400);
  74            ## Retrieve the same time on the next day -
  75            ## 86400 seconds in a day
  76         $cgiparams{'MONTH'} = $temp_then[4];
  77         $cgiparams{'DAY'} = $temp_then[3];
  78 }
  79 elsif($cgiparams{'ACTION'} eq '<<')
  80 {
  81         my @temp_then=();
  82         my @temp_now = localtime(time);
  83         $temp_now[4] = $cgiparams{'MONTH'};
  84         $temp_now[3] = $cgiparams{'DAY'};
  85         @temp_then = localtime(POSIX::mktime(@temp_now) - 86400);
  86            ## Retrieve the same time on the previous day -
  87            ## 86400 seconds in a day
  88         $cgiparams{'MONTH'} = $temp_then[4];
  89         $cgiparams{'DAY'} = $temp_then[3];
  90 }
  91
  92 if (($cgiparams{'DAY'} ne $now[3]) || ($cgiparams{'MONTH'} ne $now[4]))
  93 {
  94         my @then = ();
  95         if ( (  $cgiparams{'MONTH'} eq $now[4]) && ($cgiparams{'DAY'} > $now[3]) ||
  96                         ( $cgiparams{'MONTH'} > $now[4] ) ) {
  97                 @then = localtime(POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1901 ));
  98         } else {
  99                 @then = localtime(POSIX::mktime( 0, 0, 0, $cgiparams{'DAY'}, $cgiparams{'MONTH'}, $year - 1900 ));
 100         }
 101         $tdoy = $then[7];
 102         my $lastleap=($year-1)%4;
 103         if ($tdoy>$doy) {
 104                 if ($lastleap == 0 && $tdoy < 60) {
 105                         $doy=$tdoy+366;
 106                 } else {
 107                         $doy=$doy+365;
 108                 }
 109         }
 110 }
 111 my $datediff=0;
 112 my $dowd=0;
 113 my $multifile=0;
 114 if ($tdoy ne $doy) {
 115         $datediff=int(($doy-$tdoy)/7);
 116         $dowd=($doy-$tdoy)%7;
 117         if (($dow-$dowd)<1) {
 118                 $datediff=$datediff+1;
 119         }
 120         if (($dow-$dowd)==0) {
 121                 $multifile=1;
 122         }
 123 }
 124
 125 my $monthstr = $shortmonths[$cgiparams{'MONTH'}];
 126 my $longmonthstr = $longmonths[$cgiparams{'MONTH'}];
 127 my $day = $cgiparams{'DAY'};
 128 my $daystr='';
 129 if ($day <= 9) {
 130         $daystr = " $day"; }
 131 else {
 132         $daystr = $day;
 133 }
 134
 135 my $skip=0;
 136 my $filestr='';
 137 if ($datediff==0) {
 138         $filestr="/var/log/messages";
 139 } else {
 140        $filestr="/var/log/messages.$datediff";
 141        $filestr = "$filestr.gz" if -f "$filestr.gz";
 142 }
 143
 144 if (!(open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr)))) {
 145         $errormessage = "$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
 146         $skip=1;
 147         # Note: This is in case the log does not exist for that date
 148 }
 149 my $lines = 0;
 150 my @log=();
 151 my $ip = $cgiparams{ip};
 152
 153 if (!$skip)
 154 {
 155         while (<FILE>)
 156         {
 157                 if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+ kernel:.*(IN=.*)$/) {
 158                 if($_ =~  /SRC\=([\d\.]+)/){
 159                   if($1 eq $ip){
 160                         $log[$lines] = $_;
 161                         $lines++;
 162                   }
 163                 }
 164                 }
 165         }
 166         close (FILE);
 167 }
 168
 169 $skip=0;
 170 if ($multifile) {
 171         $datediff=$datediff-1;
 172         if ($datediff==0) {
 173                 $filestr="/var/log/messages";
 174         } else {
 175                 $filestr="/var/log/messages.$datediff";
 176                 $filestr = "$filestr.gz" if -f "$filestr.gz";
 177         }
 178         if (!(open (FILE,($filestr =~ /.gz$/ ? "gzip -dc $filestr |" : $filestr)))) {
 179                 $errormessage="$Lang::tr{'date not in logs'}: $filestr $Lang::tr{'could not be opened'}";
 180                 $skip=1;
 181         }
 182         if (!$skip) {
 183                 while (<FILE>) {
 184                         if (/(^${monthstr} ${daystr} ..:..:..) [\w\-]+ kernel:.*(IN=.*)$/) {
 185                        if($_ =~  /SRC\=([\d\.]+)/){
 186                          if($1 eq $ip){
 187                                 $log[$lines] = $_;
 188                                 $lines++;
 189                          }
 190                        }
 191                         }
 192                 }
 193                 close (FILE);
 194         }
 195 }
 196
 197 &Header::showhttpheaders();
 198 &Header::openpage($Lang::tr{'firewall log'}, 1, '');
 199 &Header::openbigbox('100%', 'left', '', $errormessage);
 200
 201 if ($errormessage) {
 202         &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 203         print "<font class='base'>$errormessage&nbsp;</font>\n";
 204         &Header::closebox();
 205 }
 206
 207 &Header::openbox('100%', 'left', "$Lang::tr{'settings'}:");
 208
 209 print <<END
 210 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 211 <table width='100%'>
 212 <tr>
 213         <td width='10%' class='base'>$Lang::tr{'month'}:&nbsp;</td>
 214         <td width='10%'>
 215         <select name='MONTH'>
 216 END
 217 ;
 218 my $month;
 219 for ($month = 0; $month < 12; $month++)
 220 {
 221         print "\t<option ";
 222         if ($month == $cgiparams{'MONTH'}) {
 223                 print "selected='selected' "; }
 224         print "value='$month'>$longmonths[$month]</option>\n";
 225 }
 226 print <<END
 227         </select>
 228         </td>
 229         <td width='10%' class='base' align='right'>&nbsp;$Lang::tr{'day'}:&nbsp;</td>
 230         <td width='40%'>
 231         <select name='DAY'>
 232 END
 233 ;
 234 for ($day = 1; $day <= 31; $day++)
 235 {
 236         print "\t<option ";
 237         if ($day == $cgiparams{'DAY'}) {
 238                 print "selected='selected' "; }
 239         print "value='$day'>$day</option>\n";
 240 }
 241 print <<END
 242 </select>
 243 </td>
 244 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day before'}' value='&lt;&lt;' /></td>
 245 <td width='5%'  align='center'><input type='submit' name='ACTION' title='$Lang::tr{'day after'}' value='&gt;&gt;' /></td>
 246 <td width='10%' align='center'><input type='submit' name='ACTION' value='$Lang::tr{'update'}' /></td>
 247 <tr><td width='15%'>$Lang::tr{'source ip'}</td><td><input type='text' name='ip' value='$cgiparams{ip}'size='15'></td></tr>
 248 </tr>
 249 </table>
 250 </form>
 251 END
 252 ;
 253
 254 &Header::closebox();
 255
 256 &Header::openbox('100%', 'left', $Lang::tr{'firewall log'});
 257 print "<p><b>$Lang::tr{'firewall hits'} $longmonthstr $daystr: $lines</b></p>";
 258
 259 if ($start == -1) {
 260         $start = $lines - ${Header::viewsize}; }
 261 if ($start >= $lines - ${Header::viewsize}) { $start = $lines - ${Header::viewsize}; };
 262 if ($start < 0) { $start = 0; }
 263
 264 my $prev = $start - ${Header::viewsize};
 265 my $next = $start + ${Header::viewsize};
 266
 267 if ($prev < 0) { $prev = 0; }
 268 if ($next >= $lines) { $next = -1 }
 269 if ($start == 0) { $prev = -1; }
 270
 271 if ($lines != 0) { &oldernewer(); }
 272
 273 print <<END
 274 <table width='100%'>
 275 <tr>
 276 <td width='10%' align='center' class='boldbase'><b>$Lang::tr{'time'}</b></td>
 277 <td width='13%' align='center' class='boldbase'><b>$Lang::tr{'chain'}</b></td>
 278 <td width='5%' align='center' class='boldbase'><b>$Lang::tr{'iface'}</b></td>
 279 <td width='5%' align='center' class='boldbase'><b>$Lang::tr{'proto'}</b></td>
 280 <td width='16%' align='center' class='boldbase'><b>$Lang::tr{'source'}</b></td>
 281 <td width='10%' align='center' class='boldbase'><b>$Lang::tr{'src port'}</b></td>
 282 <td width='16%' align='center' class='boldbase'><b>$Lang::tr{'destination'}</b></td>
 283 <td width='16%' align='center' class='boldbase'><b>$Lang::tr{'dst port'}</b></td>
 284 </tr>
 285 END
 286 ;
 287
 288 my @slice = splice(@log, $start, ${Header::viewsize});
 289
 290 if ($logsettings{'LOGVIEW_REVERSE'} eq 'on') { @slice = reverse @slice; }
 291
 292 $lines = 0;
 293 foreach $_ (@slice)
 294 {
 295   $a = $_;
 296   if($_ =~  /SRC\=([\d\.]+)/){
 297     if($1 eq $ip){
 298         my $chain = '';
 299         my $in = '-'; my $out = '-';
 300         my $srcaddr = ''; my $dstaddr = '';
 301         my $protostr = '';
 302         my $srcport = ''; my $dstport = '';
 303
 304         $_ =~ /(^.* ..:..:..) [\w\-]+ kernel:(.*)(IN=.*)$/;
 305         my $timestamp = $1; my $chain = $2; my $packet = $3;
 306         $timestamp =~ /(...) (..) (..:..:..)/;
 307         my $month = $1; my $day = $2; my $time = $3;
 308
 309         if ($a =~ /IN\=(\w+)/) { $iface = $1; }
 310         if ($a =~ /OUT\=(\w+)/) { $out = $1; }
 311         if ($a =~ /SRC\=([\d\.]+)/) { $srcaddr = $1; }
 312         if ($a =~ /DST\=([\d\.]+)/) { $dstaddr = $1; }
 313         if ($a =~ /PROTO\=(\w+)/) { $protostr = $1; }
 314         my $protostrlc = lc($protostr);
 315         if ($a =~  /SPT\=([\d\.]+)/){ $srcport = $1; }
 316         if ($a =~  /DPT\=([\d\.]+)/){ $dstport = $1; }
 317
 318         if ($lines % 2) {
 319                 print "<tr bgcolor='${Header::table1colour}'>\n"; }
 320         else {
 321                 print "<tr bgcolor='${Header::table2colour}'>\n"; }
 322         print <<END
 323         <td align='center'>$time</td>
 324         <td align='center'>$chain</td>
 325         <td align='center'>$iface</td>
 326         <td align='center'>$protostr</td>
 327         <td align='center'>
 328         <table width='100%' cellpadding='0' cellspacing='0'><tr>
 329         <td align='center'><a href='/cgi-bin/ipinfo.cgi?ip=$srcaddr'>$srcaddr</a></td>
 330         </tr></table>
 331         </td>
 332         <td align='center'>$srcport</td>
 333         <td align='center'>
 334         <table width='100%' cellpadding='0' cellspacing='0'><tr>
 335         <td align='center'><a href='/cgi-bin/ipinfo.cgi?ip=$dstaddr'>$dstaddr</a></td>
 336         </tr></table>
 337         </td>
 338         <td align='center'>$dstport</td>
 339 </tr>
 340 END
 341         ;
 342        $lines++;
 343     }
 344   }
 345 }
 346
 347 print <<END
 348 </table>
 349 END
 350 ;
 351
 352 &oldernewer();
 353
 354 &Header::closebox();
 355
 356 &Header::closebigbox();
 357
 358 &Header::closepage();
 359
 360 sub oldernewer
 361 {
 362 print <<END
 363 <table width='100%'>
 364 <tr>
 365 END
 366 ;
 367
 368 print "<td align='center' width='50%'>";
 369 if ($prev != -1) {
 370         print "<a href='/cgi-bin/logs.cgi/showrequestfromip.dat?$prev,$cgiparams{'MONTH'},$cgiparams{'DAY'},$cgiparams{ip}'>$Lang::tr{'older'}</a>"; }
 371 else {
 372         print "$Lang::tr{'older'}"; }
 373 print "</td>\n";
 374
 375 print "<td align='center' width='50%'>";
 376 if ($next != -1) {
 377         print "<a href='/cgi-bin/logs.cgi/showrequestfromip.dat?$next,$cgiparams{'MONTH'},$cgiparams{'DAY'},$cgiparams{ip}'>$Lang::tr{'newer'}</a>"; }
 378 else {
 379         print "$Lang::tr{'newer'}"; }
 380 print "</td>\n";
 381
 382 print <<END
 383 </tr>
 384 </table>
 385 END
 386 ;
 387 }