mirror of
https://github.com/vincentmli/bpfire.git
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70df830214
git-svn-id: http://svn.ipfire.org/svn/ipfire/trunk@853 ea5c0bd1-69bd-2848-81d8-4f18e57aeed8
393 lines
11 KiB
Perl
393 lines
11 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 Michael Tremer & Christian Schmidt #
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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 CGI;
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my $swroot = "/var/ipfire";
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my $apdir = "$swroot/proxy/advanced";
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my $group_def_file = "$apdir/cre/classrooms";
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my $svhosts_file = "$apdir/cre/supervisors";
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my $acl_src_noaccess_ips = "$apdir/acls/src_noaccess_ip.acl";
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my $acl_src_noaccess_mac = "$apdir/acls/src_noaccess_mac.acl";
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my $banner = "A D V A N C E D P R O X Y - W E B A C C E S S M A N A G E R";
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my %cgiparams;
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my %mainsettings;
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my %proxysettings;
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my %acl=();
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my @group_defs=();
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my @groups=();
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### Initialize environment
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&readhash("${swroot}/main/settings", \%mainsettings);
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&readhash("${swroot}/proxy/advanced/settings", \%proxysettings);
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$language = $mainsettings{'LANGUAGE'};
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### Initialize language
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if ($language =~ /^(\w+)$/) {$language = $1;}
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#
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# Uncomment this to force a certain language:
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# $language='en';
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#
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require "${swroot}/langs/en.pl";
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require "${swroot}/langs/${language}.pl";
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&getcgihash(\%cgiparams);
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&read_all_groups;
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&read_acl_groups;
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foreach (@groups)
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{
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if ($cgiparams{$_} eq $tr{'advproxy mode deny'}) { $acl{$_}='on'; }
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if ($cgiparams{$_} eq $tr{'advproxy mode allow'}) { $acl{$_}='off'; }
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}
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&read_all_groups;
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my $is_supervisor=0;
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if ((-e $svhosts_file) && (!-z $svhosts_file))
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{
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open (FILE, $svhosts_file);
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while (<FILE>)
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{
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chomp;
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if ($ENV{'REMOTE_ADDR'} eq $_) { $is_supervisor=1; }
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}
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close (FILE);
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} else { $is_supervisor=1; }
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if (($cgiparams{'ACTION'} eq 'submit') && ($is_supervisor))
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{
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if ( ($cgiparams{'PASSWORD'} eq $proxysettings{'SUPERVISOR_PASSWORD'}) && (!($proxysettings{'SUPERVISOR_PASSWORD'} eq '')) ||
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((defined($proxysettings{'SUPERVISOR_PASSWORD'})) && ($proxysettings{'SUPERVISOR_PASSWORD'} eq '')))
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{
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&write_acl;
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system("/usr/local/bin/squidctrl restart >/dev/null 2>&1");
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}
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}
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&read_acl_groups;
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#undef(%cgiparams);
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# -------------------------------------------------------------------
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print <<END
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Pragma: no-cache
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Cache-control: no-cache
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Connection: close
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Content-type: text/html
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<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN' 'http://www.w3.org/TR/html4/loose.dtd'>
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<html>
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<head>
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<meta http-equiv='Content-Type' content='text/html; charset=UTF-8'>
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<title>Advanced Proxy - Web Access Manager</title>
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<style type='text/css'>
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a:link { text-decoration:none; font-family:verdana,arial,helvetica; font-weight:bold; color:#ffffff; }
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a:visited { text-decoration:none; font-family:verdana,arial,helvetica; font-weight:bold; color:#ffffff; }
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a:hover { text-decoration:none; font-family:verdana,arial,helvetica; font-weight:bold; color:#000000; }
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a:active { text-decoration:none; font-family:verdana,arial,helvetica; font-weight:bold; color:#000000; }
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a:focus { text-decoration:none; font-family:verdana,arial,helvetica; font-weight:bold; color:#ffffff; }
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</style>
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</head>
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<body bgcolor='#FFFFFF'>
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<center>
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<form method='post' action='$ENV{'SCRIPT_NAME'}'>
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<table width='720' cellspacing='10' cellpadding='5' border='0'>
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<tr>
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<td bgcolor='#C0C0C0' height='20'></td>
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</tr>
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<tr>
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<td bgcolor='#F4F4F4' align='center'>
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<table width='100%' cellspacing='10' cellpadding='10' border='0'>
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<tr>
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<td nowrap bgcolor='#FFFFFF' align='center'>
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<font face='verdana,arial,helvetica' color='#000000' size='3'>$banner</font>
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</td>
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</tr>
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END
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;
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if ($proxysettings{'CLASSROOM_EXT'} eq 'on')
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{
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if (@groups)
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{
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print <<END
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<tr>
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<td>
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<table width='70%' cellspacing='2' cellpadding='2' border='0' align='center'>
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<tr><td><input type='hidden' name='ACTION' value='submit'></td></tr>
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<tr>
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END
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;
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if (($is_supervisor) && ((defined($proxysettings{'SUPERVISOR_PASSWORD'})) && (!($proxysettings{'SUPERVISOR_PASSWORD'} eq ''))))
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{
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print <<END
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<td align='center'>
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<font face='verdana,arial,helvetica' color='#000000' size='2'>$tr{'advproxy supervisor password'}:</font>
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</td>
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<td align='center'><input type='password' name='PASSWORD' size='15'></td>
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END
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;
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}
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print <<END
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</tr>
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</table>
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<p>
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END
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;
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foreach (@groups) {
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if ($is_supervisor)
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{
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print"<table width='65%' cellspacing='2' cellpadding='2' border='0' align='center' rules='groups'>";
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} else {
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print"<table width='50%' cellspacing='2' cellpadding='6' border='0' align='center' rules='groups'>";
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}
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print "<tr>\n";
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if ((defined($acl{$_})) && ($acl{$_} eq 'on'))
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{
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print " <td bgcolor='#D00000' align='center'><font face='verdana,arial,helvetica' color='#FFFFFF' size='2'>$_</font>";
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} else { print " <td bgcolor='#00A000' align='center'><font face='verdana,arial,helvetica' color='#FFFFFF' size='2'>$_</font>"; }
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if ($is_supervisor)
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{
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if ((defined($acl{$_})) && ($acl{$_} eq 'on'))
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{
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print "</td><td width='120' align='center'>";
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print "<input type='submit' name='$_' value=' $tr{'advproxy mode allow'} '>";
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print "</td><td width='16' bgcolor='#D00000'> </td>\n";
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} else {
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print "</td><td width='120' align='center'>";
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print "<input type='submit' name='$_' value=' $tr{'advproxy mode deny'} '>";
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print "</td><td width='16' bgcolor='#00A000'> </td>\n";
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}
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}
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print "</tr>\n";
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print "</table>\n";
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print"<table width='65%' cellspacing='2' cellpadding='2' border='0' align='center'>";
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print "<tr><td></td></tr>\n";
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print "</table>\n";
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}
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print <<END
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</td>
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</tr>
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END
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;
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} else {
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print " <tr>\n";
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print " <td align='center'>\n";
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print " <font face='verdana,arial,helvetica' color='#000000' size='2'>$tr{'advproxy no cre groups'}</font>\n";
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print " </td>\n";
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print " </tr>\n";
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}
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} else {
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print " <tr>\n";
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print " <td align='center'>\n";
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print " <font face='verdana,arial,helvetica' color='#000000' size='2'>$tr{'advproxy cre disabled'}</font>\n";
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print " </td>\n";
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print " </tr>\n";
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}
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print <<END
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</table>
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</td>
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</tr>
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<tr>
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<td bgcolor='#C0C0C0' align='right'>
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<font face='verdana,arial,helvetica' color='#FFFFFF' size='1'>
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<a href='http://www.advproxy.net' target='_blank'>Advanced Proxy</a> running on
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<a href='http://www.ipcop.org' target='_blank'>IPCop</a>
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</font>
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</td>
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</tr>
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</table>
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</form>
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</center>
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</body>
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</html>
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END
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;
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# -------------------------------------------------------------------
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sub readhash
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{
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my $filename = $_[0];
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my $hash = $_[1];
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my ($var, $val);
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if (-e $filename)
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{
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open(FILE, $filename) or die "Unable to read file $filename";
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while (<FILE>)
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{
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chop;
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($var, $val) = split /=/, $_, 2;
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if ($var)
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{
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$val =~ s/^\'//g;
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$val =~ s/\'$//g;
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# Untaint variables read from hash
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$var =~ /([A-Za-z0-9_-]*)/; $var = $1;
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$val =~ /([\w\W]*)/; $val = $1;
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$hash->{$var} = $val;
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}
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}
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close FILE;
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}
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}
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# -------------------------------------------------------------------
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sub getcgihash
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{
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my ($hash, $params) = @_;
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my $cgi = CGI->new ();
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return if ($ENV{'REQUEST_METHOD'} ne 'POST');
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if (!$params->{'wantfile'}) {
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$CGI::DISABLE_UPLOADS = 1;
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$CGI::POST_MAX = 512 * 1024;
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} else {
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$CGI::POST_MAX = 10 * 1024 * 1024;
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}
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$cgi->referer() =~ m/^https?\:\/\/([^\/]+)/;
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my $referer = $1;
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$cgi->url() =~ m/^https?\:\/\/([^\/]+)/;
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my $servername = $1;
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return if ($referer ne $servername);
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### Modified for getting multi-vars, split by |
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%temp = $cgi->Vars();
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foreach my $key (keys %temp) {
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$hash->{$key} = $temp{$key};
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$hash->{$key} =~ s/\0/|/g;
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$hash->{$key} =~ s/^\s*(.*?)\s*$/$1/;
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}
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if (($params->{'wantfile'})&&($params->{'filevar'})) {
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$hash->{$params->{'filevar'}} = $cgi->upload
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($params->{'filevar'});
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}
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return;
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}
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# -------------------------------------------------------------------
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sub read_acl_groups
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{
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undef(%acl);
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open (FILE,"$acl_src_noaccess_ips");
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my @aclgroups = <FILE>;
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close (FILE);
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foreach (@aclgroups)
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{
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chomp;
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if (/^\#/)
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{
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s/^\# //;
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$acl{$_}='on';
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}
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}
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}
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# -------------------------------------------------------------------
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sub read_all_groups
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{
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my $grpstr;
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open (FILE,"$group_def_file");
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@group_defs = <FILE>;
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close (FILE);
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undef(@groups);
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foreach (@group_defs)
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{
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chomp;
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if (/^\s*\[.*\]\s*$/)
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{
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$grpstr=$_;
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$grpstr =~ s/^\s*\[\s*//;
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$grpstr =~ s/\s*\]\s*$//;
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push(@groups,$grpstr);
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}
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}
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}
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# -------------------------------------------------------------------
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sub write_acl
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{
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my $is_blocked=0;
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open (FILE_IPS,">$acl_src_noaccess_ips");
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open (FILE_MAC,">$acl_src_noaccess_mac");
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flock (FILE_IPS, 2);
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flock (FILE_MAC, 2);
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foreach (@group_defs)
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{
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if (/^\s*\[.*\]\s*$/)
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{
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s/^\s*\[\s*//;
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s/\s*\]\s*$//;
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if ((defined($acl{$_})) && ($acl{$_} eq 'on'))
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{
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print FILE_IPS "# $_\n";
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print FILE_MAC "# $_\n";
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$is_blocked=1;
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} else { $is_blocked=0; }
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} elsif (($is_blocked) && ($_))
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{
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s/^\s+//g; s/\s+$//g;
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/^[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}:[0-9a-f]{2}$/i ? print FILE_MAC "$_\n" : print FILE_IPS "$_\n";
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}
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}
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close (FILE_IPS);
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close (FILE_MAC);
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}
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# -------------------------------------------------------------------
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