| 1 | #!/usr/bin/perl
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| 2 | # quickndirty browse-the-damned-by-web
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| 3 | ##
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| 4 | # $Id: browse.cgi 67 2018-01-09 23:12:13Z kdeugau $
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| 5 | # Copyright 2009-2012,2014,2018 Kris Deugau <kdeugau@deepnet.cx>
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| 6 | #
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| 7 | # This program is free software: you can redistribute it and/or modify
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| 8 | # it under the terms of the GNU General Public License as published by
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| 9 | # the Free Software Foundation, either version 3 of the License, or
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| 10 | # (at your option) any later version.
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| 11 | #
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| 12 | # This program is distributed in the hope that it will be useful,
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| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | # GNU General Public License for more details.
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| 16 | #
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| 17 | # You should have received a copy of the GNU General Public License
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| 18 | # along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 19 | ##
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| 20 |
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| 21 | use strict;
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| 22 | use warnings;
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| 23 | use DBI;
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| 24 | use CGI::Carp qw(fatalsToBrowser);
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| 25 | use CGI::Simple;
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| 26 | use HTML::Template;
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| 27 |
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| 28 | use DNSBL 2.2;
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| 29 | use DNSBLweb;
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| 30 |
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| 31 | my $dnsbl = new DNSBL;
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| 32 |
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| 33 | # default DB info - all other settings should be loaded from the DB.
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| 34 | my $dbhost = "localhost";
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| 35 | my $dbname = "dnsbl";
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| 36 | my $dbuser = "dnsbl";
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| 37 | my $dbpass = "spambgone";
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| 38 |
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| 39 | # Load a config ref containing DB host, name, user, and pass info based on
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| 40 | # from the server name + full script web path. This allows us to host
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| 41 | # multiple instances without having to duplicate the code.
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| 42 | # This file is a Perl fragment to be processed inline.
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| 43 | my $cfgname = $ENV{SERVER_NAME}.$ENV{SCRIPT_NAME};
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| 44 | $cfgname =~ s|[./-]|_|g;
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| 45 | $cfgname =~ s|_browse_cgi||;
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| 46 | if (-e "/etc/dnsbl/$cfgname.conf") {
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| 47 | my $cfg = `cat /etc/dnsbl/$cfgname.conf`;
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| 48 | ($cfg) = ($cfg =~ /^(.+)$/s); # avoid warnings, failures, and general nastiness with taint mode
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| 49 | eval $cfg;
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| 50 | }
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| 51 |
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| 52 | # Set up the CGI object...
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| 53 | my $q = new CGI::Simple;
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| 54 | # ... and get query-string params as well as POST params if necessary
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| 55 | $q->parse_query_string;
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| 56 |
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| 57 | my %webvar;
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| 58 | # This is probably excessive fiddling, but it puts the parameters somewhere my fingers know about...
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| 59 | foreach ($q->param()) {
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| 60 | $webvar{$_} = $q->param($_);
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| 61 | }
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| 62 |
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| 63 | # try to be friendly to non-US-ASCII characters. Still need to find what
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| 64 | # difference from RH<->Debian is still at fault.
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| 65 | print $q->header(-charset=>'utf8');
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| 66 |
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| 67 | my $dbh = $dnsbl->connect($dbhost, $dbname, $dbuser, $dbpass);
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| 68 |
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| 69 | my $block = '';
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| 70 |
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| 71 | my $templatedir = $ENV{SCRIPT_FILENAME};
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| 72 | $templatedir =~ s/browse\.cgi//;
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| 73 | $templatedir .= "templates";
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| 74 | $ENV{HTML_TEMPLATE_ROOT} = $templatedir;
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| 75 |
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| 76 | my %config;
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| 77 | my $sth = $dbh->prepare("SELECT key,value FROM misc");
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| 78 | $sth->execute;
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| 79 | while (my ($key,$value) = $sth->fetchrow_array) {
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| 80 | $config{$key} = $value;
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| 81 | }
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| 82 |
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| 83 | # basic validation so we don't try to look up something ridiculous
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| 84 | if ($webvar{block}) {
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| 85 | $webvar{block} =~ s/\s+//g;
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| 86 | $block = $webvar{block} if $webvar{block} =~ /^[\d\.]+(?:\/\d+)?$/;
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| 87 | }
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| 88 |
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| 89 | if ($block) {
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| 90 | my $template = HTML::Template->new(filename => "browse.tmpl");
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| 91 |
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| 92 | $template->param(pgtitle => $config{pgtitle}) if defined($config{pgtitle});
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| 93 | $template->param(pgcomment => $config{pgcomment}) if defined($config{pgcomment});
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| 94 |
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| 95 | my $out;
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| 96 | if ($block =~ /^[\d\.]+$/) {
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| 97 | $out = DNSBLweb::retlvl($dbh, $dnsbl, 0, ip => $block, block => $dnsbl->getcontainer($block,0) );
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| 98 | } else {
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| 99 | $out = DNSBLweb::retlvl($dbh, $dnsbl, 0, block => $block);
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| 100 | }
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| 101 |
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| 102 | $template->param(enchilada => $out);
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| 103 | print $template->output;
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| 104 |
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| 105 | } else {
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| 106 | # refuse to show the whole tree, as in a "real" dataset it's horribly slow. even a /8 is often "a bit much"
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| 107 | print qq(
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| 108 | <html>
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| 109 | <head>
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| 110 | <title>$config{pgtitle}</title>
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| 111 | <body>
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| 112 | $config{pgcomment}<br>
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| 113 | );
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| 114 | if ($webvar{block}) {
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| 115 | $webvar{block} =~ s{[^\w]+}{_}g; #neuter any attempts at funky data injection
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| 116 | print qq(<span style="border: 1px solid #FF0000;">Invalid netblock specification $webvar{block}</span>\n);
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| 117 | }
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| 118 | print qq(
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| 119 | <form action="browse.cgi" method="POST">
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| 120 | Enter a CIDR netblock to browse.<br>
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| 121 | This does not have to exactly match a netblock entered in the database.<br>
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| 122 | <input name="block">
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| 123 | <input type="submit">
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| 124 | </form>
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| 125 | </body>
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| 126 | </html>
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| 127 | );
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| 128 | }
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![(please configure the [header_logo] section in trac.ini)](/trac/dnsbl/chrome/site/your_project_logo.png){kind=logo}
