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56bf9f21747cc68a954048cb88f4ddfd79f7a0fa
bpfire/html/cgi-bin/tor.cgi
Michael Tremer 56bf9f2174 tor.cgi: Check for valid accounting limit.
2013-08-02 11:27:14 +02:00

920 lines
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Perl
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#!/usr/bin/perl
###############################################################################
# #
# IPFire.org - A linux based firewall #
# Copyright (C) 2013 IPFire Team <info@ipfire.org> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <http://www.gnu.org/licenses/>. #
# #
###############################################################################
use strict;
use Locale::Country;
# enable only the following on debugging purpose
use warnings;
use CGI::Carp 'fatalsToBrowser';
require '/var/ipfire/general-functions.pl';
require "${General::swroot}/lang.pl";
require "${General::swroot}/header.pl";
#workaround to suppress a warning when a variable is used only once
my @dummy = ( ${Header::colouryellow} );
undef (@dummy);
my @bandwidth_limits = (
1000 * 1024, # 1G
500 * 1024,
200 * 1024,
100 * 1024, # 100M
64 * 1024,
50 * 1024,
25 * 1024,
20 * 1024,
16 * 1024,
10 * 1024,
8 * 1024,
4 * 1024,
2 * 1024,
1024, # 1M
512,
256,
160
);
my @accounting_periods = ('daily', 'weekly', 'monthly');
my $TOR_CONTROL_PORT = 9051;
our %netsettings = ();
&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
our %settings = ();
$settings{'TOR_ENABLED'} = 'off';
$settings{'TOR_SOCKS_PORT'} = 9050;
$settings{'TOR_EXIT_COUNTRY'} = '';
$settings{'TOR_USE_EXIT_NODES'} = '';
$settings{'TOR_ALLOWED_SUBNETS'} = "$netsettings{'GREEN_NETADDRESS'}\/$netsettings{'GREEN_NETMASK'}";
if (&Header::blue_used()) {
$settings{'TOR_ALLOWED_SUBNETS'} .= ",$netsettings{'BLUE_NETADDRESS'}\/$netsettings{'BLUE_NETMASK'}";
}
$settings{'TOR_RELAY_ENABLED'} = 'off';
$settings{'TOR_RELAY_MODE'} = 'exit';
$settings{'TOR_RELAY_ADDRESS'} = '';
$settings{'TOR_RELAY_PORT'} = 9001;
$settings{'TOR_RELAY_NICKNAME'} = '';
$settings{'TOR_RELAY_CONTACT_INFO'} = '';
$settings{'TOR_RELAY_NOADVERTISE'} = 'off';
$settings{'TOR_RELAY_BANDWIDTH_RATE'} = 0;
$settings{'TOR_RELAY_BANDWIDTH_BURST'} = 0;
$settings{'TOR_RELAY_ACCOUNTING_LIMIT'} = 0;
$settings{'TOR_RELAY_ACCOUNTING_PERIOD'} = 'daily';
$settings{'ACTION'} = '';
my $errormessage = '';
my $warnmessage = '';
&Header::showhttpheaders();
# Get GUI values.
&Header::getcgihash(\%settings);
# Create tor command connection.
our $torctrl = &TorConnect();
# Toggle enable/disable field.
if ($settings{'ACTION'} eq $Lang::tr{'save'}) {
if ($settings{'TOR_RELAY_NICKNAME'} !~ /^[a-zA-Z0-9]+$/) {
$errormessage = "$Lang::tr{'tor errmsg invalid relay name'}: $settings{'TOR_RELAY_NICKNAME'}";
}
if (!&General::validport($settings{'TOR_SOCKS_PORT'})) {
$errormessage = "$Lang::tr{'tor errmsg invalid socks port'}: $settings{'TOR_SOCKS_PORT'}";
}
if (!&General::validport($settings{'TOR_RELAY_PORT'})) {
$errormessage = "$Lang::tr{'tor errmsg invalid relay port'}: $settings{'TOR_RELAY_PORT'}";
}
if ($settings{'TOR_RELAY_ADDRESS'} ne '') {
if ((!&General::validfqdn($settings{'TOR_RELAY_ADDRESS'})) && (!&General::validip($settings{'TOR_RELAY_ADDRESS'}))) {
$errormessage = "$Lang::tr{'tor errmsg invalid relay address'}: $settings{'TOR_RELAY_ADDRESS'}";
}
}
if ($settings{'TOR_RELAY_ACCOUNTING_LIMIT'} !~ /^\d+$/) {
$errormessage = "$Lang::tr{'tor errmsg invalid accounting limit'}: $settings{'TOR_RELAY_ACCOUNTING_LIMIT'}";
}
my @temp = split(/[\n,]/,$settings{'TOR_ALLOWED_SUBNETS'});
$settings{'TOR_ALLOWED_SUBNETS'} = "";
foreach (@temp) {
s/^\s+//g; s/\s+$//g;
if ($_) {
unless (&General::validipandmask($_)) {
$errormessage = "$Lang::tr{'tor errmsg invalid ip or mask'}: $_";
}
$settings{'TOR_ALLOWED_SUBNETS'} .= $_.",";
}
}
@temp = split(/[\n,]/,$settings{'TOR_USE_EXIT_NODES'});
$settings{'TOR_USE_EXIT_NODES'} = "";
foreach (@temp) {
s/^\s+//g; s/\s+$//g;
if ($_) {
$settings{'TOR_USE_EXIT_NODES'} .= $_.",";
}
}
# Burst bandwidth must be less or equal to bandwidth rate.
if ($settings{'TOR_RELAY_BANDWIDTH_RATE'} == 0) {
$settings{'TOR_RELAY_BANDWIDTH_BURST'} = 0;
} elsif ($settings{'TOR_RELAY_BANDWIDTH_BURST'} < $settings{'TOR_RELAY_BANDWIDTH_RATE'}) {
$settings{'TOR_RELAY_BANDWIDTH_BURST'} = $settings{'TOR_RELAY_BANDWIDTH_RATE'};
}
if ($errormessage eq '') {
# Write configuration settings to file.
&General::writehash("${General::swroot}/tor/settings", \%settings);
# Update configuration files.
&BuildConfiguration();
}
} else {
# Load settings from file.
&General::readhash("${General::swroot}/tor/settings", \%settings);
}
&showMainBox();
# Close Tor control connection.
&TorClose($torctrl);
# Functions
sub showMainBox() {
my %checked = ();
my %selected = ();
$checked{'TOR_ENABLED'}{'on'} = '';
$checked{'TOR_ENABLED'}{'off'} = '';
$checked{'TOR_ENABLED'}{$settings{'TOR_ENABLED'}} = 'checked';
$checked{'TOR_RELAY_ENABLED'}{'on'} = '';
$checked{'TOR_RELAY_ENABLED'}{'off'} = '';
$checked{'TOR_RELAY_ENABLED'}{$settings{'TOR_RELAY_ENABLED'}} = 'checked';
&Header::openpage($Lang::tr{'tor configuration'}, 1, '');
&Header::openbigbox('100%', 'left', '', $errormessage);
if ($errormessage) {
&Header::openbox('100%', 'left', $Lang::tr{'error messages'});
print "<font class='base'>$errormessage&nbsp;</font>\n";
&Header::closebox();
}
print "<form method='post' action='$ENV{'SCRIPT_NAME'}'>\n";
&Header::openbox('100%', 'left', $Lang::tr{'tor configuration'});
print <<END;
<table width='100%'>
<tr>
<td colspan='4' class='base'><b>$Lang::tr{'tor common settings'}</b></td>
</tr>
<tr>
<td width='25%' class='base'>$Lang::tr{'tor enabled'}:</td>
<td width='30%'><input type='checkbox' name='TOR_ENABLED' $checked{'TOR_ENABLED'}{'on'} /></td>
<td width='25%' class='base'>$Lang::tr{'tor socks port'}:</td>
<td width='20%'><input type='text' name='TOR_SOCKS_PORT' value='$settings{'TOR_SOCKS_PORT'}' size='5' /></td>
</tr>
<tr>
<td width='25%' class='base'>$Lang::tr{'tor relay enabled'}:</td>
<td width='30%'><input type='checkbox' name='TOR_RELAY_ENABLED' $checked{'TOR_RELAY_ENABLED'}{'on'} /></td>
<td width='25%' class='base'></td>
<td width='20%'></td>
</tr>
</table>
END
if ($settings{'TOR_ENABLED'} eq 'on') {
my @temp = split(",", $settings{'TOR_ALLOWED_SUBNETS'});
$settings{'TOR_ALLOWED_SUBNETS'} = join("\n", @temp);
@temp = split(",", $settings{'TOR_USE_EXIT_NODES'});
$settings{'TOR_USE_EXIT_NODES'} = join("\n", @temp);
print <<END;
<br>
<hr size='1'>
<br>
<table width='100%'>
<tr>
<td colspan='4' class='base'><b>$Lang::tr{'tor acls'}</b></td>
</tr>
<tr>
<td colspan='2' class='base' width='55%'>
$Lang::tr{'tor allowed subnets'}:
</td>
<td colspan='2' width='45%'></td>
</tr>
<tr>
<td colspan='2' class='base' width='55%'>
<textarea name='TOR_ALLOWED_SUBNETS' cols='32' rows='3' wrap='off'>$settings{'TOR_ALLOWED_SUBNETS'}</textarea>
</td>
<td colspan='2' width='45%'></td>
</tr>
</table>
<br>
<hr size='1'>
<br>
<table width='100%'>
<tr>
<td colspan='4' class='base'><b>$Lang::tr{'tor exit nodes'}</b></td>
</tr>
<tr>
<td colspan='2' class='base' width='55%'></td>
<td colspan='2' class='base' width='45%'>$Lang::tr{'tor use exit nodes'}:</td>
</tr>
<tr>
<td width='50%' colspan='2'>
<select name='TOR_EXIT_COUNTRY'>
<option value=''>- $Lang::tr{'tor exit country any'} -</option>
END
my @country_names = Locale::Country::all_country_names();
foreach my $country_name (sort @country_names) {
my $country_code = Locale::Country::country2code($country_name);
$country_code = uc($country_code);
print "<option value='$country_code'>$country_name ($country_code)</option>\n";
}
print <<END;
</select>
</td>
<td width='50%' colspan='2'>
<textarea name='TOR_USE_EXIT_NODES' cols='32' rows='3' wrap='off'>$settings{'TOR_USE_EXIT_NODES'}</textarea>
</td>
</tr>
</table>
<br><br>
END
}
&Header::closebox();
if ($settings{'TOR_RELAY_ENABLED'} eq 'on') {
$checked{'TOR_RELAY_NOADVERTISE'}{'on'} = '';
$checked{'TOR_RELAY_NOADVERTISE'}{'off'} = '';
$checked{'TOR_RELAY_NOADVERTISE'}{$settings{'TOR_RELAY_NOADVERTISE'}} = 'checked';
$selected{'TOR_RELAY_MODE'}{'bridge'} = '';
$selected{'TOR_RELAY_MODE'}{'exit'} = '';
$selected{'TOR_RELAY_MODE'}{'private-bridge'} = '';
$selected{'TOR_RELAY_MODE'}{'relay'} = '';
$selected{'TOR_RELAY_MODE'}{$settings{'TOR_RELAY_MODE'}} = 'selected';
$selected{'TOR_RELAY_BANDWIDTH_RATE'}{'0'} = '';
foreach (@bandwidth_limits) {
$selected{'TOR_RELAY_BANDWIDTH_RATE'}{$_} = '';
}
$selected{'TOR_RELAY_BANDWIDTH_RATE'}{$settings{'TOR_RELAY_BANDWIDTH_RATE'}} = 'selected';
$selected{'TOR_RELAY_BANDWIDTH_BURST'}{'0'} = '';
foreach (@bandwidth_limits) {
$selected{'TOR_RELAY_BANDWIDTH_BURST'}{$_} = '';
}
$selected{'TOR_RELAY_BANDWIDTH_BURST'}{$settings{'TOR_RELAY_BANDWIDTH_BURST'}} = 'selected';
foreach (@accounting_periods) {
$selected{'TOR_RELAY_ACCOUNTING_PERIOD'}{$_} = '';
}
$selected{'TOR_RELAY_ACCOUNTING_PERIOD'}{$settings{'TOR_RELAY_ACCOUNTING_PERIOD'}} = 'selected';
&Header::openbox('100%', 'left', $Lang::tr{'tor relay configuration'});
print <<END;
<table width='100%'>
<tr>
<td width='25%' class='base'>$Lang::tr{'tor relay mode'}:</td>
<td width='30%'>
<select name='TOR_RELAY_MODE'>
<option value='exit' $selected{'TOR_RELAY_MODE'}{'exit'}>$Lang::tr{'tor relay mode exit'}</option>
<option value='relay' $selected{'TOR_RELAY_MODE'}{'relay'}>$Lang::tr{'tor relay mode relay'}</option>
<option value='bridge' $selected{'TOR_RELAY_MODE'}{'bridge'}>$Lang::tr{'tor relay mode bridge'}</option>
<option value='private-bridge' $selected{'TOR_RELAY_MODE'}{'private-bridge'}>$Lang::tr{'tor relay mode private bridge'}</option>
</select>
</td>
<td width='25%' class='base'>$Lang::tr{'tor relay port'}:</td>
<td width='20%'>
<input type='text' name='TOR_RELAY_PORT' value='$settings{'TOR_RELAY_PORT'}' size='5' />
</td>
</tr>
<tr>
<td width='25%' class='base'>$Lang::tr{'tor relay address'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
<td width='30%'>
<input type='text' name='TOR_RELAY_ADDRESS' value='$settings{'TOR_RELAY_ADDRESS'}' />
</td>
<td width='25%' class='base'>$Lang::tr{'tor do not advertise relay'}:</td>
<td width='20%'>
<input type='checkbox' name='TOR_RELAY_NOADVERTISE' $checked{'TOR_RELAY_NOADVERTISE'}{'on'} />
</td>
</tr>
<tr>
<td width='25%' class='base'>$Lang::tr{'tor relay nickname'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
<td width='30%'>
<input type='text' name='TOR_RELAY_NICKNAME' value='$settings{'TOR_RELAY_NICKNAME'}' />
</td>
<td colspan='2'></td>
</tr>
<tr>
<td width='25%' class='base'>$Lang::tr{'tor contact info'}:&nbsp;<img src='/blob.gif' alt='*' /></td>
<td width='75%' colspan='3'>
<input type='text' name='TOR_RELAY_CONTACT_INFO' value='$settings{'TOR_RELAY_CONTACT_INFO'}' size='60' />
</td>
</tr>
</table>
<hr size='1'>
<table width='100%'>
<tr>
<td colspan='4' class='base'><b>$Lang::tr{'tor bandwidth settings'}</b></td>
</tr>
<tr>
<td width='25%' class='base'>$Lang::tr{'tor bandwidth rate'}:</td>
<td width='30%' class='base'>
<select name='TOR_RELAY_BANDWIDTH_RATE'>
END
foreach (@bandwidth_limits) {
if ($_ >= 1024) {
print "<option value='$_' $selected{'TOR_RELAY_BANDWIDTH_RATE'}{$_}>". $_ / 1024 ." MBit/s</option>\n";
} else {
print "<option value='$_' $selected{'TOR_RELAY_BANDWIDTH_RATE'}{$_}>$_ kBit/s</option>\n";
}
}
print <<END;
<option value='0' $selected{'TOR_RELAY_BANDWIDTH_RATE'}{'0'}>$Lang::tr{'tor bandwidth unlimited'}</option>
</select>
</td>
<td width='25%' class='base'>$Lang::tr{'tor accounting limit'}:</td>
<td width='20%'>
<input type='text' name='TOR_RELAY_ACCOUNTING_LIMIT' value='$settings{'TOR_RELAY_ACCOUNTING_LIMIT'}' size='12' />
</td>
</tr>
<tr>
<td width='25%' class='base'>$Lang::tr{'tor bandwidth burst'}:</td>
<td width='20%' class='base'>
<select name='TOR_RELAY_BANDWIDTH_BURST'>
END
foreach (@bandwidth_limits) {
if ($_ >= 1024) {
print "<option value='$_' $selected{'TOR_RELAY_BANDWIDTH_BURST'}{$_}>". $_ / 1024 ." MBit/s</option>\n";
} else {
print "<option value='$_' $selected{'TOR_RELAY_BANDWIDTH_BURST'}{$_}>$_ kBit/s</option>\n";
}
}
print <<END;
<option value='0' $selected{'TOR_RELAY_BANDWIDTH_BURST'}{'0'}>$Lang::tr{'tor bandwidth unlimited'}</option>
</select>
</td>
<td width='25%' class='base'>$Lang::tr{'tor accounting period'}:</td>
<td width='20%'>
<select name='TOR_RELAY_ACCOUNTING_PERIOD'>
END
foreach (@accounting_periods) {
print "<option value='$_' $selected{'TOR_RELAY_ACCOUNTING_PERIOD'}{$_}>$Lang::tr{'tor accounting period '.$_}</option>";
}
print <<END;
</select>
</td>
</tr>
</table>
END
&Header::closebox();
}
print <<END;
<table width='100%'>
<tr>
<td>
<img src='/blob.gif' align='top' alt='*' />&nbsp;<font class='base'>$Lang::tr{'this field may be blank'}</font>
</td>
<td align='right'>&nbsp;</td>
</tr>
</table>
<hr>
<table width='100%'>
<tr>
<td>&nbsp;</td>
<td align='center'><input type='submit' name='ACTION' value='$Lang::tr{'save'}' /></td>
<td>&nbsp;</td>
</tr>
</table>
END
# If we have a control connection, show the stats.
if ($torctrl) {
&Header::openbox('100%', 'left', $Lang::tr{'tor stats'});
my @traffic = &TorTrafficStats($torctrl);
if (@traffic) {
print <<END;
<table width='100%'>
END
if ($settings{'TOR_RELAY_ENABLED'} eq 'on') {
my $fingerprint = &TorRelayFingerprint($torctrl);
if ($fingerprint) {
print <<END;
<tr>
<td width='40%' class='base'>$Lang::tr{'tor relay fingerprint'}:</td>
<td width='60%'>
<a href='https://atlas.torproject.org/#details/$fingerprint' target='_blank'>$fingerprint</a>
</td>
</tr>
END
}
}
my $address = TorGetInfo($torctrl, "address");
if ($address) {
print <<END;
<tr>
<td width='40%' class='base'>$Lang::tr{'tor relay external address'}:</td>
<td width='60%'>$address</td>
</tr>
END
}
print <<END;
<tr>
<td width='40%'>$Lang::tr{'tor traffic read written'}:</td>
END
print "<td width='60%'>" . &FormatBytes($traffic[0]) ."/". &FormatBytes($traffic[1]) . "</td>";
print <<END;
</tr>
</table>
END
}
my $accounting = &TorAccountingStats($torctrl);
if ($accounting) {
print <<END;
<table width='100%'>
<tr>
<td colspan='2' class='base'><b>$Lang::tr{'tor accounting'}</b></td>
</tr>
END
if ($accounting->{'hibernating'} eq "hard") {
print <<END;
<tr>
<td class='base' colspan='2' bgcolor="$Header::colourred" align='center'>
<font color='white'>$Lang::tr{'tor traffic limit hard'}</font>
</td>
</tr>
END
} elsif ($accounting->{'hibernating'} eq "soft") {
print <<END;
<tr>
<td class='base' colspan='2' bgcolor="$Header::colourorange" align='center'>
<font color='white'>$Lang::tr{'tor traffic limit soft'}</font>
</td>
</tr>
END
}
print <<END;
<tr>
<td width='40%' class='base'>$Lang::tr{'tor accounting interval'}</td>
<td width='60%'>
$accounting->{'interval-start'} - $accounting->{'interval-end'}
</td>
</tr>
<tr>
<td width='40%' class='base'>$Lang::tr{'tor accounting bytes'}</td>
<td width='60%'>
END
print &FormatBytes($accounting->{'bytes_read'}) . "/" . &FormatBytes($accounting->{'bytes_written'});
print " (" . &FormatBytes($accounting->{'bytes-left_read'}) . "/" . &FormatBytes($accounting->{'bytes-left_written'});
print " $Lang::tr{'tor accounting bytes left'})";
print <<END;
</td>
</tr>
</table>
END
}
my @nodes = &TorORConnStatus($torctrl);
if (@nodes) {
my $nodes_length = scalar @nodes;
print <<END;
<table width='100%'>
<tr>
<td width='40%' class='base'><b>$Lang::tr{'tor connected relays'}</b></td>
<td width='60%' colspan='2'>($nodes_length)</td>
</tr>
END
foreach my $node (@nodes) {
print <<END;
<tr>
<td width='40%'>
<a href='https://atlas.torproject.org/#details/$node->{'fingerprint'}' target='_blank'>
$node->{'name'}
</a>
</td>
<td width='30%'>
END
if (exists($node->{'country_code'})) {
print "<a href='country.cgi#$node->{'country_code'}'><img src='/images/flags/$node->{'country_code'}.png' border='0' align='absmiddle' alt='$node->{'country_code'}'></a>";
}
print <<END;
<a href='ipinfo.cgi?ip=$node->{'address'}'>$node->{'address'}</a>:$node->{'port'}
</td>
<td width='30%' align='right'>
~$node->{'bandwidth_string'}
</td>
</tr>
END
}
print "</table>";
}
&Header::closebox();
}
print "</form>\n";
&Header::closebigbox();
&Header::closepage();
}
sub BuildConfiguration() {
my %settings = ();
&General::readhash("${General::swroot}/tor/settings", \%settings);
my $torrc = "${General::swroot}/tor/torrc";
open(FILE, ">$torrc");
# Global settings.
print FILE "ControlPort $TOR_CONTROL_PORT\n";
if ($settings{'TOR_ENABLED'} eq 'on') {
my $strict_nodes = 0;
print FILE "SocksPort 0.0.0.0:$settings{'TOR_SOCKS_PORT'}\n";
my @subnets = split(",", $settings{'TOR_ALLOWED_SUBNETS'});
foreach (@subnets) {
print FILE "SocksPolicy accept $_\n" if (&General::validipandmask($_));
}
print FILE "SocksPolicy reject *\n" if (@subnets);
if ($settings{'TOR_EXIT_COUNTRY'} ne '') {
$strict_nodes = 1;
print FILE "ExitNodes {$settings{'TOR_EXIT_COUNTRY'}}\n";
}
if ($settings{'TOR_USE_EXIT_NODES'} ne '') {
$strict_nodes = 1;
my @nodes = split(",", $settings{'TOR_USE_EXIT_NODES'});
foreach (@nodes) {
print FILE "ExitNode $_\n";
}
}
if ($strict_nodes > 0) {
print FILE "StrictNodes 1\n";
}
}
if ($settings{'TOR_RELAY_ENABLED'} eq 'on') {
# Reject access to private networks.
print FILE "ExitPolicyRejectPrivate 1\n";
print FILE "ORPort $settings{'TOR_RELAY_PORT'}";
if ($settings{'TOR_RELAY_NOADVERTISE'} eq 'on') {
print FILE " NoAdvertise";
}
print FILE "\n";
if ($settings{'TOR_RELAY_ADDRESS'} ne '') {
print FILE "Address $settings{'TOR_RELAY_ADDRESS'}\n";
}
if ($settings{'TOR_RELAY_NICKNAME'} ne '') {
print FILE "Nickname $settings{'TOR_RELAY_NICKNAME'}\n";
}
if ($settings{'TOR_RELAY_CONTACT_INFO'} ne '') {
print FILE "ContactInfo $settings{'TOR_RELAY_CONTACT_INFO'}\n";
}
# Limit to bridge mode.
my $is_bridge = 0;
if ($settings{'TOR_RELAY_MODE'} eq 'bridge') {
$is_bridge++;
# Private bridge.
} elsif ($settings{'TOR_RELAY_MODE'} eq 'private-bridge') {
$is_bridge++;
print FILE "PublishServerDescriptor 0\n";
# Exit node.
} elsif ($settings{'TOR_RELAY_MODE'} eq 'exit') {
print FILE "ExitPolicy accept *:*\n";
# Relay only.
} elsif ($settings{'TOR_RELAY_MODE'} eq 'relay') {
print FILE "ExitPolicy reject *:*\n";
}
if ($is_bridge > 0) {
print FILE "BridgeRelay 1\n";
print FILE "Exitpolicy reject *:*\n";
}
if ($settings{'TOR_RELAY_BANDWIDTH_RATE'} > 0) {
print FILE "RelayBandwidthRate ";
print FILE $settings{'TOR_RELAY_BANDWIDTH_RATE'} / 8;
print FILE " KB\n";
if ($settings{'TOR_RELAY_BANDWIDTH_BURST'} > 0) {
print FILE "RelayBandwidthBurst ";
print FILE $settings{'TOR_RELAY_BANDWIDTH_BURST'} / 8;
print FILE " KB\n";
}
}
if ($settings{'TOR_RELAY_ACCOUNTING_LIMIT'} > 0) {
print FILE "AccountingMax ".$settings{'TOR_RELAY_ACCOUNTING_LIMIT'}." MB\n";
if ($settings{'TOR_RELAY_ACCOUNTING_PERIOD'} eq 'daily') {
print FILE "AccountingStart day 00:00\n";
} elsif ($settings{'TOR_RELAY_ACCOUNTING_PERIOD'} eq 'weekly') {
print FILE "AccountingStart week 1 00:00\n";
} elsif ($settings{'TOR_RELAY_ACCOUNTING_PERIOD'} eq 'monthly') {
print FILE "AccountingStart month 1 00:00\n";
}
}
}
close(FILE);
# Restart the service.
if (($settings{'TOR_ENABLED'} eq 'on') || ($settings{'TOR_RELAY_ENABLED'} eq 'on')) {
system("/usr/local/bin/torctrl restart &>/dev/null");
} else {
system("/usr/local/bin/torctrl stop &>/dev/null");
}
}
sub TorConnect() {
my $socket = new IO::Socket::INET(
Proto => 'tcp', PeerAddr => '127.0.0.1', PeerPort => $TOR_CONTROL_PORT,
) or return;
$socket->autoflush(1);
# Authenticate.
&TorSendCommand($socket, "AUTHENTICATE");
return $socket;
}
sub TorSendCommand() {
my ($socket, $cmd) = @_;
# Replace line ending with \r\n.
chomp $cmd;
$cmd .= "\r\n";
$socket->send($cmd);
my @output = ();
while (my $line = <$socket>) {
# Skip empty lines.
if ($line =~ /^.\r\n$/) {
next;
}
# Command has been successfully executed.
if ($line =~ /250 OK/) {
last;
# Error.
} elsif ($line =~ /^5\d+/) {
last;
} else {
# Remove line endings.
$line =~ s/\r\n$//;
push(@output, $line);
}
}
return @output;
}
sub TorSendCommandOneLine() {
my ($tor, $cmd) = @_;
my @output = &TorSendCommand($tor, $cmd);
return $output[0];
}
sub TorGetInfo() {
my ($tor, $cmd) = @_;
my $output = &TorSendCommandOneLine($tor, "GETINFO ".$cmd);
my ($key, $value) = split("=", $output);
return $value;
}
sub TorClose() {
my $socket = shift;
if ($socket) {
$socket->shutdown(2);
}
}
sub TorTrafficStats() {
my $tor = shift;
my $output_read = &TorGetInfo($tor, "traffic/read");
my $output_written = &TorGetInfo($tor, "traffic/written");
return ($output_read, $output_written);
}
sub TorRelayFingerprint() {
my $tor = shift;
return &TorGetInfo($tor, "fingerprint");
}
sub TorORConnStatus() {
my $tor = shift;
my @nodes = ();
my @output = &TorSendCommand($tor, "GETINFO orconn-status");
foreach (@output) {
$_ =~ s/^250[\+-]orconn-status=//;
next if ($_ eq "");
last if ($_ eq ".");
next unless ($_ =~ /^\$/);
my @line = split(" ", $_);
my @node = split(/[=~]/, $line[0]);
my $node = &TorNodeDescription($tor, $node[0]);
if ($node) {
push(@nodes, $node);
}
}
# Sort by names.
@nodes = sort { $a->{'name'} cmp $b->{'name'} } @nodes;
return @nodes;
}
sub TorNodeDescription() {
my ($tor, $fingerprint) = @_;
$fingerprint =~ s/\$//;
my $node = {
fingerprint => $fingerprint,
exit_node => 0,
};
my @output = &TorSendCommand($tor, "GETINFO ns/id/$node->{'fingerprint'}");
foreach (@output) {
# Router
if ($_ =~ /^r (\w+) (.*) (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}) (\d+)/) {
$node->{'name'} = $1;
$node->{'address'} = $3;
$node->{'port'} = $4;
my $country_code = &TorGetInfo($tor, "ip-to-country/$node->{'address'}");
$node->{'country_code'} = $country_code;
# Flags
} elsif ($_ =~ /^s (.*)$/) {
$node->{'flags'} = split(" ", $1);
foreach my $flag ($node->{'flags'}) {
if ($flag eq "Exit") {
$node->{'exit_node'}++;
}
}
# Bandwidth
} elsif ($_ =~ /^w Bandwidth=(\d+)/) {
$node->{'bandwidth'} = $1 * 8;
$node->{'bandwidth_string'} = &FormatBitsPerSecond($node->{'bandwidth'});
}
}
if (exists($node->{'name'})) {
return $node;
}
}
sub TorAccountingStats() {
my $tor = shift;
my $ret = {};
my $enabled = &TorGetInfo($tor, "accounting/enabled");
if ($enabled ne '1') {
return;
}
my @cmds = ("hibernating", "interval-start", "interval-end");
foreach (@cmds) {
$ret->{$_} = &TorGetInfo($tor, "accounting/$_");
}
my @cmds = ("bytes", "bytes-left");
foreach (@cmds) {
my $output = &TorGetInfo($tor, "accounting/$_");
my @bytes = split(" ", $output);
$ret->{$_."_read"} = $bytes[0];
$ret->{$_."_written"} = $bytes[1];
}
return $ret;
}
sub FormatBytes() {
my $bytes = shift;
my @units = ("B", "KB", "MB", "GB", "TB");
my $units_index = 0;
while (($units_index <= $#units) && ($bytes >= 1024)) {
$units_index++;
$bytes /= 1024;
}
return sprintf("%.2f %s", $bytes, $units[$units_index]);
}
sub FormatBitsPerSecond() {
my $bits = shift;
my @units = ("Bit/s", "KBit/s", "MBit/s", "GBit/s", "TBit/s");
my $units_index = 0;
while (($units_index <= $#units) && ($bits >= 1024)) {
$units_index++;
$bits /= 1024;
}
return sprintf("%.2f %s", $bits, $units[$units_index]);
}
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