mirror of
https://github.com/vincentmli/bpfire.git
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469 lines
15 KiB
Perl
469 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) 2007-2020 IPFire Team <info@ipfire.org> #
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# Copyright (C) 2024 BPFire <vincent.mc.li@gmail.com> #
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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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# 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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use IO::Socket;
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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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#workaround to suppress a warning when a variable is used only once
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my @dummy = ( ${Header::colouryellow} );
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undef (@dummy);
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my %color = ();
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my %mainsettings = ();
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my %settings=();
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my %checked=();
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my $errormessage='';
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my $setting = "${General::swroot}/main/settings";
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my $loxilbsettingfile = "${General::swroot}/loxilb/settings";
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my $loxilbipfile = "${General::swroot}/loxilb/ipconfig";
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# Read configuration file.
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&General::readhash("${General::swroot}/main/settings", \%mainsettings);
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&General::readhash("/srv/web/ipfire/html/themes/ipfire/include/colors.txt", \%color);
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&Header::showhttpheaders();
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$settings{'ENABLE_LOXILB'} = 'off';
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$settings{'ACTION'} = '';
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$settings{'KEY1'} = ''; # point record for ACTION
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$settings{'virtualIP'} = '';
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$settings{'interface'} = '';
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my @nosaved=('virtualIP','interface');
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#Define each field that can be used to sort columns
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my $sortstring='^virtualIP';
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$settings{'SORT_virtualIPLIST'} = 'virtualIP';
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# Load multiline data
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our @current = ();
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if (open(FILE, "$loxilbipfile")) {
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@current = <FILE>;
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close (FILE);
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}
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&Header::getcgihash(\%settings);
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if ($settings{'ACTION'} eq $Lang::tr{'save'})
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{
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&General::writehash("$loxilbsettingfile", \%settings);
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if ($settings{'ENABLE_LOXILB'} eq 'on') {
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&General::system('/usr/bin/touch', "${General::swroot}/loxilb/enableloxilb");
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&General::system('/usr/local/bin/loxilbctrl', 'start');
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} else {
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&General::system('/usr/local/bin/loxilbctrl', 'stop');
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unlink "${General::swroot}/loxilb/enableloxilb";
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}
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}
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if ($settings{'ACTION'} eq $Lang::tr{'add'}) {
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# Validate inputs
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if (!&General::validipandmask($settings{'virtualIP'})){
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$errormessage = $Lang::tr{'invalid ip'}." / ".$Lang::tr{'invalid netmask'};
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}
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#Check for already existing routing entry
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foreach my $line (@current) {
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chomp($line); # remove newline
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my @temp=split(/\,/,$line);
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$temp[1] ='' unless defined $temp[1]; # interface
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#Same ip already used?
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if($temp[0] eq $settings{'virtualIP'} && $settings{'KEY1'} eq ''){
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$errormessage = $Lang::tr{'ccd err loxilbconfigeexist'};
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last;
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}
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}
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unless ($errormessage) {
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if ($settings{'KEY1'} eq '') { #add or edit ?
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unshift (@current, "$settings{'virtualIP'},$settings{'interface'}\n");
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&General::log($Lang::tr{'loxilb lb config added'});
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} else {
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@current[$settings{'KEY1'}] = "$settings{'virtualIP'},$settings{'interface'}\n";
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$settings{'KEY1'} = ''; # End edit mode
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&General::log($Lang::tr{'loxilb fw changed'});
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}
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&CreateIP(%settings);
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# Write changes to config file.
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&SortDataFile; # sort newly added/modified entry
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#map ($settings{$_}='' ,@nosaved); # Clear fields
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}
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}
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if ($settings{'ACTION'} eq $Lang::tr{'remove'}) {
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my $line = @current[$settings{'KEY1'}]; # KEY1 is the index in current
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chomp($line);
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my @temp = split(/\,/, $line);
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$settings{'virtualIP'}=$temp[0];
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$settings{'interface'}=$temp[1];
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&DeleteIP(%settings);
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splice (@current,$settings{'KEY1'},1); # Delete line
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open(FILE, ">$loxilbipfile") or die "$loxilbipfile open error";
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print FILE @current;
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close(FILE);
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$settings{'KEY1'} = ''; # End remove mode
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}
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## Check if sorting is asked
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# If same column clicked, reverse the sort.
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if ($ENV{'QUERY_STRING'} =~ /$sortstring/ ) {
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my $newsort=$ENV{'QUERY_STRING'};
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my $actual=$settings{'SORT_virtualIPLIST'};
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#Reverse actual sort ?
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if ($actual =~ $newsort) {
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my $Rev='';
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if ($actual !~ 'Rev') {
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$Rev='Rev';
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}
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$newsort.=$Rev;
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}
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$settings{'SORT_virtualIPLIST'}=$newsort;
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map (delete ($settings{$_}) ,(@nosaved,'ACTION','KEY1'));# Must never be saved
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&General::writehash($setting, \%settings);
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&SortDataFile;
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$settings{'ACTION'} = 'SORT'; # Create an 'ACTION'
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map ($settings{$_} = '' ,@nosaved,'KEY1'); # and reinit vars to empty
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}
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if ($settings{'ACTION'} eq '' ) { # First launch from GUI
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# Place here default value when nothing is initialized
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$settings{'virtualIP'} = '';
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$settings{'interface'} = '';
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}
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&Header::openpage($Lang::tr{'loxilb'}, 1, '');
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&Header::openbigbox('100%', 'left', '', $errormessage);
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if ($errormessage) {
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&Header::openbox('100%', 'left', $Lang::tr{'error messages'});
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print "<font class='base' color=red>$errormessage </font>\n";
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&Header::closebox();
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}
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# Read configuration file.
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&General::readhash("$loxilbsettingfile", \%settings);
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# Checkbox pre-selection.
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my $checked;
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if ($settings{'ENABLE_LOXILB'} eq "on") {
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$checked = "checked='checked'";
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}
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my $sactive = "<table cellpadding='2' cellspacing='0' bgcolor='${Header::colourred}' width='50%'><tr><td align='center'><b><font color='#FFFFFF'>$Lang::tr{'stopped'}</font></b></td></tr></table>";
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my @status = &General::system_output('/usr/local/bin/loxilbctrl', 'status');
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if (grep(/is running/, @status)){
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$sactive = "<table cellpadding='2' cellspacing='0' bgcolor='${Header::colourgreen}' width='50%'><tr><td align='center'><b><font color='#FFFFFF'>$Lang::tr{'running'}</font></b></td></tr></table>";
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}
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&Header::openbox('100%', 'center', $Lang::tr{'loxilb status'});
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print <<END;
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<table width='100%'>
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<form method='POST' action='$ENV{'SCRIPT_NAME'}'>
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<td width='25%'> </td>
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<td width='25%'> </td>
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<td width='25%'> </td>
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<tr><td class='boldbase'>$Lang::tr{'loxilb server status'}</td>
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<td align='left'>$sactive</td>
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</tr>
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<tr>
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<td width='50%' class='boldbase'>$Lang::tr{'loxilb enable'}
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<td><input type='checkbox' name='ENABLE_LOXILB' $checked></td>
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<td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}'></td>
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</tr>
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END
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print "</form> </table>\n";
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&Header::closebox();
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#
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my $buttontext = $Lang::tr{'add'};
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if ($settings{'KEY1'} ne '') {
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$buttontext = $Lang::tr{'update'};
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&Header::openbox('100%', 'left', $Lang::tr{'loxilb fw edit'});
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} else {
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&Header::openbox('100%', 'left', $Lang::tr{'loxilb ip add'});
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}
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my @INTERFACES = ("red0", "green0");
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#Edited line number (KEY1) passed until cleared by 'save' or 'remove' or 'new sort order'
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print <<END;
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<form method='post' action='$ENV{'SCRIPT_NAME'}'>
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<input type='hidden' name='KEY1' value='$settings{'KEY1'}' />
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<table width='100%'>
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<tr>
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<td class='base'>$Lang::tr{'loxilb ip virtualIP'}: </td>
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<td><input type='text' name='virtualIP' value='$settings{'virtualIP'}' size='25'/></td>
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</tr>
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<tr>
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<td class='base'>$Lang::tr{'loxilb ip interface'}: </td>
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<td>
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<select name='interface' id='interface' style="width: 95px;">
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END
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# Insert the dynamic options for the 'PROTO' select element
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foreach (@INTERFACES) {
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print "<option value=\"$_\"";
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if ($_ eq $settings{'interface'}) {
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print " selected=\"selected\"";
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}
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print ">$_</option>";
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}
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print <<END;
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</select>
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</td>
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</tr>
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</table>
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<br>
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<table width='100%'>
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<tr>
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<td width='50%' align='right'><input type='hidden' name='ACTION' value='$Lang::tr{'add'}' /><input type='submit' name='SUBMIT' value='$buttontext' /></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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&Header::closebox();
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&Header::openbox('100%', 'left', $Lang::tr{'loxilb ip entries'});
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print <<END;
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<table width='100%' class='tbl'>
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<tr>
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<th width='10%' align='center'><a href='$ENV{'SCRIPT_NAME'}?virtualIP'><b>$Lang::tr{'loxilb ip virtualIP'}</b></a></th>
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<th width='10%' align='center'><a href='$ENV{'SCRIPT_NAME'}?interface'><b>$Lang::tr{'loxilb ip interface'}</b></a></th>
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<th width='10%' colspan='3' class='boldbase' align='center'><b>$Lang::tr{'action'}</b></th>
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</tr>
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END
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#
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# Print each line of @current list
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#
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my $key = 0;
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my $col="";
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foreach my $line (@current) {
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chomp($line); # remove newline
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my @temp=split(/\,/,$line);
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$temp[1] ='' unless defined $temp[1]; # not always populated
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#Choose icon for checkbox
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my $gif = '';
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my $gdesc = '';
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if ($temp[0] ne '' ) {
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$gif = 'on.gif';
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$gdesc = $Lang::tr{'click to disable'};
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} else {
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$gif = 'off.gif';
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$gdesc = $Lang::tr{'click to enable'};
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}
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#Colorize each line
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if ($settings{'KEY1'} eq $key) {
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print "<tr bgcolor='${Header::colouryellow}'>";
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} elsif ($key % 2) {
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print "<tr>";
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$col="bgcolor='$color{'color20'}'";
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} else {
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print "<tr>";
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$col="bgcolor='$color{'color22'}'";
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}
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print <<END;
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<td align='center' $col>$temp[0]</td>
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<td align='center' $col>$temp[1]</td>
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<td align='center' $col>
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<form method='post' action='$ENV{'SCRIPT_NAME'}'>
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<input type='hidden' name='ACTION' value='$Lang::tr{'toggle enable disable'}' />
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<input type='image' name='$Lang::tr{'toggle enable disable'}' src='/images/$gif' alt='$gdesc' title='$gdesc' />
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<input type='hidden' name='KEY1' value='$key' />
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</form>
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</td>
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<td align='center' $col>
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<form method='post' action='$ENV{'SCRIPT_NAME'}'>
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<input type='hidden' name='ACTION' value='$Lang::tr{'remove'}' />
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<input type='image' name='$Lang::tr{'remove'}' src='/images/delete.gif' alt='$Lang::tr{'remove'}' title='$Lang::tr{'remove'}' />
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<input type='hidden' name='KEY1' value='$key' />
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</form>
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</td>
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</tr>
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END
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$key++;
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}
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print "</table>";
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# If table contains entries, print 'Key to action icons'
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if ($key) {
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print <<END;
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<table>
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<tr>
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<td class='boldbase'> <b>$Lang::tr{'legend'}: </b></td>
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<td><img src='/images/on.gif' alt='$Lang::tr{'click to disable'}' /></td>
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<td class='base'>$Lang::tr{'click to disable'}</td>
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<td> </td>
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<td><img src='/images/off.gif' alt='$Lang::tr{'click to enable'}' /></td>
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<td class='base'>$Lang::tr{'click to enable'}</td>
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<td> </td>
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<td><img src='/images/delete.gif' alt='$Lang::tr{'remove'}' /></td>
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<td class='base'>$Lang::tr{'remove'}</td>
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</tr>
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</table>
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END
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}
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&Header::closebox();
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&Header::closebigbox();
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&Header::closepage();
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## Ouf it's the end !
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# Sort the "current" array according to choices
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sub SortDataFile
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{
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our %entries = ();
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# Sort pair of record received in $a $b special vars.
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# When IP is specified use numeric sort else alpha.
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# If sortname ends with 'Rev', do reverse sort.
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#
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sub fixedleasesort {
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my $qs=''; # The sort field specified minus 'Rev'
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if (rindex ($settings{'SORT_virtualIPLIST'},'Rev') != -1) {
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$qs=substr ($settings{'SORT_virtualIPLIST'},0,length($settings{'SORT_virtualIPLIST'})-3);
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if ($qs eq 'virtualIP') {
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my @a = split(/\./,$entries{$a}->{$qs});
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my @b = split(/\./,$entries{$b}->{$qs});
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($b[0]<=>$a[0]) ||
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($b[1]<=>$a[1]) ||
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($b[2]<=>$a[2]) ||
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($b[3]<=>$a[3]);
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} else {
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$entries{$b}->{$qs} cmp $entries{$a}->{$qs};
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}
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} else { #not reverse
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$qs=$settings{'SORT_virtualIPLIST'};
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if ($qs eq 'virtualIP') {
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my @a = split(/\./,$entries{$a}->{$qs});
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my @b = split(/\./,$entries{$b}->{$qs});
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($a[0]<=>$b[0]) ||
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($a[1]<=>$b[1]) ||
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($a[2]<=>$b[2]) ||
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($a[3]<=>$b[3]);
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} else {
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$entries{$a}->{$qs} cmp $entries{$b}->{$qs};
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}
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}
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}
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#Use an associative array (%entries)
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my $key = 0;
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foreach my $line (@current) {
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chomp( $line); #remove newline because can be on field 5 or 6 (addition of REMARK)
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my @temp = ( '','','', '');
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@temp = split (',',$line);
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# Build a pair 'Field Name',value for each of the data dataline.
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# Each SORTABLE field must have is pair.
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# Other data fields (non sortable) can be grouped in one
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my @record = ('KEY',$key++,'virtualIP',$temp[0],'interface',$temp[1]);
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my $record = {}; # create a reference to empty hash
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%{$record} = @record; # populate that hash with @record
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$entries{$record->{KEY}} = $record; # add this to a hash of hashes
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}
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open(FILE, ">$loxilbipfile") or die "$loxilbipfile open error";
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# Each field value is printed , with the newline ! Don't forget separator and order of them.
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foreach my $entry (sort fixedleasesort keys %entries) {
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print FILE "$entries{$entry}->{virtualIP},$entries{$entry}->{interface}\n";
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}
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close(FILE);
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# Reload sorted @current
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open (FILE, "$loxilbipfile");
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@current = <FILE>;
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close (FILE);
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}
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sub manageIP {
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my ($action, %settings) = @_;
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# Initialize variables
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my @loxicmd_options;
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my $command = 'loxicmd';
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my $ip = $settings{'virtualIP'};
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my $interface = $settings{'interface'};
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push(@loxicmd_options, $action, "ip", $ip, $interface);
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#debug and display output in UI
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#my @output = &General::system_output($command, @loxicmd_options);
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#$errormessage = join('', @output);
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&General::system($command, @loxicmd_options);
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}
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sub CreateIP {
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my (%settings) = @_;
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manageIP("create", %settings);
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}
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sub DeleteIP {
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my (%settings) = @_;
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manageIP("delete", %settings);
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}
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