html/cgi-bin/routing.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2011  IPFire Team  <info@ipfire.org>                     #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 use strict;
  23
  24 # enable only the following on debugging purpose
  25 #use warnings;
  26 #use CGI::Carp 'fatalsToBrowser';
  27
  28 require '/var/ipfire/general-functions.pl';
  29 require "${General::swroot}/lang.pl";
  30 require "${General::swroot}/header.pl";
  31
  32 #workaround to suppress a warning when a variable is used only once
  33 my @dummy = ( ${Header::colouryellow} );
  34 undef (@dummy);
  35
  36 # Files used
  37 my $setting = "${General::swroot}/main/settings";
  38 our $datafile = "${General::swroot}/main/routing";              #(our: used in subroutine)
  39
  40 my %color = ();
  41 my %mainsettings = ();
  42 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
  43 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
  44
  45 our %settings = ();
  46
  47 $settings{'EN'} = '';                   # reuse for dummy field in position zero
  48 $settings{'IP'} = '';
  49 $settings{'GATEWAY'} = '';
  50 $settings{'REMARK'} = '';
  51 my @nosaved=('EN','IP','GATEWAY','REMARK');     # List here ALL setting2 fields. Mandatory
  52
  53 $settings{'ACTION'} = '';               # add/edit/remove
  54 $settings{'KEY1'} = '';                 # point record for ACTION
  55
  56 #Define each field that can be used to sort columns
  57 my $sortstring='^IP|^GATEWAY|^REMARK';
  58 $settings{'SORT_GATEWAYLIST'} = 'GATEWAY';
  59 my $errormessage = '';
  60 my $warnmessage = '';
  61
  62 &Header::showhttpheaders();
  63
  64 #Get GUI values
  65 &Header::getcgihash(\%settings);
  66
  67 ###############
  68 # DEBUG DEBUG
  69 #&Header::openbox('100%', 'left', 'DEBUG');
  70 #my $debugCount = 0;
  71 #foreach my $line (sort keys %settings) {
  72 #print "$line = $settings{$line}<br />\n";
  73 # $debugCount++;
  74 #}
  75 #print "&nbsp;Count: $debugCount\n";
  76 #&Header::closebox();
  77 # DEBUG DEBUG
  78 ###############
  79
  80 # Load multiline data
  81 our @current = ();
  82 if (open(FILE, "$datafile")) {
  83     @current = <FILE>;
  84     close (FILE);
  85 }
  86
  87 ## Settings1 Box not used...
  88 &General::readhash("${General::swroot}/main/settings", \%settings);
  89
  90
  91 ## Now manipulate the multi-line list with Settings2
  92 # Basic actions are:
  93 #       toggle the check box
  94 #       add/update a new line
  95 #       begin editing a line
  96 #       remove a line
  97
  98
  99 # Toggle enable/disable field.  Field is in second position
 100 if ($settings{'ACTION'} eq $Lang::tr{'toggle enable disable'}) {
 101     #move out new line
 102     chomp(@current[$settings{'KEY1'}]);
 103     my @temp = split(/\,/,@current[$settings{'KEY1'}]);
 104
 105     $temp[0] = $temp[0] ne '' ? '' : 'on';              # Toggle the field
 106     @current[$settings{'KEY1'}] = join (',',@temp)."\n";
 107     $settings{'KEY1'} = '';                             # End edit mode
 108
 109     &General::log($Lang::tr{'routing config changed'});
 110
 111     #Save current
 112     open(FILE, ">$datafile") or die 'routing datafile error';
 113     print FILE @current;
 114     close(FILE);
 115
 116     # Rebuild configuration file
 117     &BuildConfiguration;
 118 }
 119
 120 if ($settings{'ACTION'} eq $Lang::tr{'add'}) {
 121
 122         # Validate inputs
 123         if (!&General::validipandmask($settings{'IP'}))){
 124         $errormessage = $Lang::tr{'invalid ip'}." / ".$Lang::tr{'invalid netmask'};
 125         }else{
 126                 #set networkip if not already correctly defined
 127                 my($ip,$cidr) = split(/\//,$settings{'IP'});
 128                 $cidr = &General::iporsubtocidr($cidr);
 129                 my $netip=&General::getnetworkip($ip,$cidr);
 130                 $settings{'IP'} = "$netip/$cidr";
 131         }
 132
 133         if ($settings{'IP'} =~ /^0\.0\.0\.0/){
 134         $errormessage = $Lang::tr{'invalid ip'}." - 0.0.0.0";
 135         }
 136
 137         if( !&General::validip($settings{'GATEWAY'}) ) {
 138         $errormessage = $Lang::tr{'invalid ip'}. " - ".$Lang::tr{'gateway ip'};
 139         }
 140
 141         #set networkip if not already correctly defined
 142         my($ip,$cidr) = split(/\//,$settings{'IP'});
 143         my $netip=&General::getnetworkip($ip,$cidr);
 144         $settings{'IP'} = "$netip/$cidr";
 145
 146         #Check for already existing routing entry
 147         foreach my $line (@current) {
 148                 chomp($line);                           # remove newline
 149                 my @temp=split(/\,/,$line);
 150                 $temp[2] ='' unless defined $temp[2]; # not always populated
 151                 $temp[3] ='' unless defined $temp[2]; # not always populated
 152                 #Same ip already used?
 153                 if($temp[1] eq $settings{'IP'}){
 154                         $errormessage = $Lang::tr{'ccd err irouteexist'};
 155                         last;
 156                 }
 157                 #Is the network part of an internal network?
 158                 $errormessage .= &General::check_net_internal($settings{'IP'});
 159                 last;
 160         }
 161
 162     unless ($errormessage) {
 163         if ($settings{'KEY1'} eq '') { #add or edit ?
 164             unshift (@current, "$settings{'EN'},$settings{'IP'},$settings{'GATEWAY'},$settings{'REMARK'}\n");
 165             &General::log($Lang::tr{'routing config added'});
 166         } else {
 167             @current[$settings{'KEY1'}] = "$settings{'EN'},$settings{'IP'},$settings{'GATEWAY'},$settings{'REMARK'}\n";
 168             $settings{'KEY1'} = '';       # End edit mode
 169             &General::log($Lang::tr{'routing config changed'});
 170         }
 171
 172         # Write changes to config file.
 173         &SortDataFile;                          # sort newly added/modified entry
 174         &BuildConfiguration;                    # then re-build routing
 175
 176         #map ($settings{$_}='' ,@nosaved);      # Clear fields
 177     }
 178 }
 179
 180 if ($settings{'ACTION'} eq $Lang::tr{'edit'}) {
 181     #move out new line
 182     my $line = @current[$settings{'KEY1'}];     # KEY1 is the index in current
 183     chomp($line);
 184     my @temp = split(/\,/, $line);
 185     $settings{'EN'}=$temp[0];                   # Prepare the screen for editing
 186     $settings{'IP'}=$temp[1];
 187     $settings{'GATEWAY'}=$temp[2];
 188     $settings{'REMARK'}=$temp[3];
 189     &BuildConfiguration;
 190 }
 191
 192 if ($settings{'ACTION'} eq $Lang::tr{'remove'}) {
 193     splice (@current,$settings{'KEY1'},1);              # Delete line
 194     open(FILE, ">$datafile") or die 'route datafile error';
 195     print FILE @current;
 196     close(FILE);
 197     $settings{'KEY1'} = '';                             # End remove mode
 198     &General::log($Lang::tr{'route config changed'});
 199
 200     &BuildConfiguration;                                # then re-build conf which use new data
 201 }
 202
 203 ##  Check if sorting is asked
 204 # If same column clicked, reverse the sort.
 205 if ($ENV{'QUERY_STRING'} =~ /$sortstring/ ) {
 206     my $newsort=$ENV{'QUERY_STRING'};
 207     my $actual=$settings{'SORT_GATEWAYLIST'};
 208     #Reverse actual sort ?
 209     if ($actual =~ $newsort) {
 210         my $Rev='';
 211         if ($actual !~ 'Rev') {
 212             $Rev='Rev';
 213         }
 214         $newsort.=$Rev;
 215     }
 216     $settings{'SORT_GATEWAYLIST'}=$newsort;
 217     map (delete ($settings{$_}) ,(@nosaved,'ACTION','KEY1'));# Must never be saved
 218     &General::writehash($setting, \%settings);
 219     &SortDataFile;
 220     $settings{'ACTION'} = 'SORT';                       # Create an 'ACTION'
 221     map ($settings{$_} = '' ,@nosaved,'KEY1');          # and reinit vars to empty
 222 }
 223
 224 if ($settings{'ACTION'} eq '' ) { # First launch from GUI
 225     # Place here default value when nothing is initialized
 226     $settings{'EN'} = 'on';
 227     $settings{'GATEWAY'} = '';
 228     $settings{'IP'} = '';
 229 }
 230
 231 &Header::openpage($Lang::tr{'routing table entries'}, 1, '');
 232 &Header::openbigbox('100%', 'left', '', $errormessage);
 233 my %checked=();     # Checkbox manipulations
 234
 235 if ($errormessage) {
 236     &Header::openbox('100%', 'left', $Lang::tr{'error messages'});
 237     print "<font class='base'>$errormessage&nbsp;</font>";
 238     &Header::closebox();
 239 }
 240
 241 #
 242
 243 $checked{'EN'}{'on'} = ($settings{'EN'} eq '' ) ? '' : "checked='checked'";
 244
 245 my $buttontext = $Lang::tr{'add'};
 246 if ($settings{'KEY1'} ne '') {
 247     $buttontext = $Lang::tr{'update'};
 248     &Header::openbox('100%', 'left', $Lang::tr{'Edit an existing route'});
 249 } else {
 250     &Header::openbox('100%', 'left', $Lang::tr{'Add a route'});
 251 }
 252
 253 #Edited line number (KEY1) passed until cleared by 'save' or 'remove' or 'new sort order'
 254 print <<END
 255 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 256 <input type='hidden' name='KEY1' value='$settings{'KEY1'}' />
 257 <table width='100%'>
 258 <tr>
 259     <td class='base'>$Lang::tr{'host ip'} / $Lang::tr{'network'}:&nbsp;</td>
 260     <td><input type='text' name='IP' value='$settings{'IP'}' size='25'/></td>
 261 </tr><tr>
 262     <td class='base'>$Lang::tr{'gateway'}:&nbsp;</td>
 263     <td><input type='text' name='GATEWAY' value='$settings{'GATEWAY'}' size='25'/></td>
 264     <td class='base'>$Lang::tr{'enabled'}</td>
 265     <td><input type='checkbox' name='EN' $checked{'EN'}{'on'} /></td>
 266 </tr>
 267 </tr>
 268     <td class='base'>$Lang::tr{'remark'}:&nbsp;</td>
 269     <td><input type='text' name='REMARK' value='$settings{'REMARK'}' size='25'/></td>
 270 </tr>
 271 </table>
 272 <br>
 273 <table width='100%'>
 274 <tr>
 275     <td width='50%' align='right'><input type='hidden' name='ACTION' value='$Lang::tr{'add'}' /><input type='submit' name='SUBMIT' value='$buttontext' /></td>
 276 </tr>
 277 </table>
 278 </form>
 279 END
 280 ;
 281 &Header::closebox();
 282
 283 &Header::openbox('100%', 'left', $Lang::tr{'routing table'});
 284 print <<END
 285
 286 <table width='100%' class='tbl'>
 287 <tr>
 288     <th width='30%' align='center'><a href='$ENV{'SCRIPT_NAME'}?IP'><b>$Lang::tr{'host ip'} / $Lang::tr{'network'}</b></a></th>
 289     <th width='30%' align='center'><a href='$ENV{'SCRIPT_NAME'}?GATEWAY'><b>$Lang::tr{'gateway'}</b></a></th>
 290     <th width='30%' align='center'><a href='$ENV{'SCRIPT_NAME'}?REMARK'><b>$Lang::tr{'remark'}</b></a></th>
 291     <th width='10%' colspan='3' class='boldbase' align='center'><b>$Lang::tr{'action'}</b></th>
 292 </tr>
 293 END
 294 ;
 295
 296 #
 297 # Print each line of @current list
 298 #
 299
 300 my $key = 0;
 301 my $col="";
 302 foreach my $line (@current) {
 303     chomp($line);                               # remove newline
 304     my @temp=split(/\,/,$line);
 305     $temp[2] ='' unless defined $temp[2]; # not always populated
 306     $temp[3] ='' unless defined $temp[2]; # not always populated
 307
 308     #Choose icon for checkbox
 309     my $gif = '';
 310     my $gdesc = '';
 311     if ($temp[0] ne '' ) {
 312         $gif = 'on.gif';
 313         $gdesc = $Lang::tr{'click to disable'};
 314     } else {
 315         $gif = 'off.gif';
 316         $gdesc = $Lang::tr{'click to enable'};
 317     }
 318
 319     #Colorize each line
 320     if ($settings{'KEY1'} eq $key) {
 321         print "<tr bgcolor='${Header::colouryellow}'>";
 322     } elsif ($key % 2) {
 323         print "<tr>";
 324         $col="bgcolor='$color{'color20'}'";
 325     } else {
 326         print "<tr>";
 327         $col="bgcolor='$color{'color22'}'";
 328     }
 329     print <<END
 330 <td align='center' $col>$temp[1]</td>
 331 <td align='center' $col>$temp[2]</td>
 332 <td align='center' $col>$temp[3]</td>
 333 <td align='center' $col>
 334 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 335 <input type='hidden' name='ACTION' value='$Lang::tr{'toggle enable disable'}' />
 336 <input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' alt='$gdesc' title='$gdesc' />
 337 <input type='hidden' name='KEY1' value='$key' />
 338 </form>
 339 </td>
 340
 341 <td align='center' $col>
 342 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 343 <input type='hidden' name='ACTION' value='$Lang::tr{'edit'}' />
 344 <input type='image' name='$Lang::tr{'edit'}' src='/images/edit.gif' alt='$Lang::tr{'edit'}' title='$Lang::tr{'edit'}' />
 345 <input type='hidden' name='KEY1' value='$key' />
 346 </form>
 347 </td>
 348
 349 <td align='center' $col>
 350 <form method='post' action='$ENV{'SCRIPT_NAME'}'>
 351 <input type='hidden' name='ACTION' value='$Lang::tr{'remove'}' />
 352 <input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' alt='$Lang::tr{'remove'}' title='$Lang::tr{'remove'}' />
 353 <input type='hidden' name='KEY1' value='$key' />
 354 </form>
 355 </td>
 356 </tr>
 357 END
 358 ;
 359     $key++;
 360 }
 361 print "</table>";
 362
 363 # If table contains entries, print 'Key to action icons'
 364 if ($key) {
 365 print <<END
 366 <table>
 367 <tr>
 368     <td class='boldbase'>&nbsp;<b>$Lang::tr{'legend'}:&nbsp;</b></td>
 369     <td><img src='/images/on.gif' alt='$Lang::tr{'click to disable'}' /></td>
 370     <td class='base'>$Lang::tr{'click to disable'}</td>
 371     <td>&nbsp;&nbsp;</td>
 372     <td><img src='/images/off.gif' alt='$Lang::tr{'click to enable'}' /></td>
 373     <td class='base'>$Lang::tr{'click to enable'}</td>
 374     <td>&nbsp;&nbsp;</td>
 375     <td><img src='/images/edit.gif' alt='$Lang::tr{'edit'}' /></td>
 376     <td class='base'>$Lang::tr{'edit'}</td>
 377     <td>&nbsp;&nbsp;</td>
 378     <td><img src='/images/delete.gif' alt='$Lang::tr{'remove'}' /></td>
 379     <td class='base'>$Lang::tr{'remove'}</td>
 380 </tr>
 381 </table>
 382 END
 383 ;
 384 }
 385
 386 &Header::closebox();
 387
 388 my $output = `/sbin/ip route show table static`;
 389 $output = &Header::cleanhtml($output,"y");
 390
 391 if ( $output != "" ) {
 392         &Header::openbox('100%', 'left', $Lang::tr{'routing table entries'});
 393         print "<pre>$output</pre>\n";
 394         &Header::closebox();
 395 }
 396
 397 &Header::closebigbox();
 398 &Header::closepage();
 399
 400 ## Ouf it's the end !
 401
 402 # Sort the "current" array according to choices
 403 sub SortDataFile
 404 {
 405     our %entries = ();
 406
 407     # Sort pair of record received in $a $b special vars.
 408     # When IP is specified use numeric sort else alpha.
 409     # If sortname ends with 'Rev', do reverse sort.
 410     #
 411     sub fixedleasesort {
 412         my $qs='';             # The sort field specified minus 'Rev'
 413         if (rindex ($settings{'SORT_GATEWAYLIST'},'Rev') != -1) {
 414             $qs=substr ($settings{'SORT_GATEWAYLIST'},0,length($settings{'SORT_GATEWAYLIST'})-3);
 415             if ($qs eq 'IP') {
 416                 my @a = split(/\./,$entries{$a}->{$qs});
 417                 my @b = split(/\./,$entries{$b}->{$qs});
 418                 ($b[0]<=>$a[0]) ||
 419                 ($b[1]<=>$a[1]) ||
 420                 ($b[2]<=>$a[2]) ||
 421                 ($b[3]<=>$a[3]);
 422             } else {
 423                 $entries{$b}->{$qs} cmp $entries{$a}->{$qs};
 424             }
 425         } else { #not reverse
 426             $qs=$settings{'SORT_GATEWAYLIST'};
 427             if ($qs eq 'IP') {
 428                 my @a = split(/\./,$entries{$a}->{$qs});
 429                 my @b = split(/\./,$entries{$b}->{$qs});
 430                 ($a[0]<=>$b[0]) ||
 431                 ($a[1]<=>$b[1]) ||
 432                 ($a[2]<=>$b[2]) ||
 433                 ($a[3]<=>$b[3]);
 434             } else {
 435                 $entries{$a}->{$qs} cmp $entries{$b}->{$qs};
 436             }
 437         }
 438     }
 439
 440     #Use an associative array (%entries)
 441     my $key = 0;
 442     foreach my $line (@current) {
 443         chomp( $line); #remove newline because can be on field 5 or 6 (addition of REMARK)
 444         my @temp = ( '','','', '');
 445         @temp = split (',',$line);
 446
 447         # Build a pair 'Field Name',value for each of the data dataline.
 448         # Each SORTABLE field must have is pair.
 449         # Other data fields (non sortable) can be grouped in one
 450
 451         my @record = ('KEY',$key++,'EN',$temp[0],'IP',$temp[1],'GATEWAY',$temp[2],'REMARK',$temp[3]);
 452         my $record = {};                                # create a reference to empty hash
 453         %{$record} = @record;                           # populate that hash with @record
 454         $entries{$record->{KEY}} = $record;             # add this to a hash of hashes
 455     }
 456
 457     open(FILE, ">$datafile") or die 'routing datafile error';
 458
 459     # Each field value is printed , with the newline ! Don't forget separator and order of them.
 460     foreach my $entry (sort fixedleasesort keys %entries) {
 461         print FILE "$entries{$entry}->{EN},$entries{$entry}->{IP},$entries{$entry}->{GATEWAY},$entries{$entry}->{REMARK}\n";
 462     }
 463
 464     close(FILE);
 465     # Reload sorted  @current
 466     open (FILE, "$datafile");
 467     @current = <FILE>;
 468     close (FILE);
 469 }
 470
 471 #
 472 # Build the configuration file
 473 #
 474 sub BuildConfiguration {
 475     system '/usr/local/bin/rebuildroutes';
 476 }