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Initial version

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tazoi 2011-01-19 10:29:51 +01:00 committed by Steve Schnepp
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commit 5ffa28e9d8
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plugins/other/tor-bandwidth-usage Executable file
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#!/usr/bin/perl -w
#
# tor_bandwidth_acct - munin plugin to monitor Tor routers traffic
#
# To use this plugin you need the following:
# o Enable accounting on torrc configuration file (even if you dont want to limit bandwidth usage,
# just put a huge value for on AccountingMax)
# example:
# AccountingStart day 12:00
# AccountingMax 100 GB
# o Enable CookieAuthentication (CookieAuthentication 1 in torrc) or define a HashedControlPassword
#
# tested with Tor releases: 0.2.1.28, 0.2.1.29
#
# Author: tazoi <dev AT tazoi DOT it>, based on a plugin by Ævar Arnfjörð Bjarmason <avarab@gmail.com
#
# Parameters understood (defined in file /etc/munin/plugin-conf.d/munin-node or in environment)
# host - Change which host to graph (default localhost)
# port - Change which port to connect to (default 9051)
# password - Plain-text control channel password (see torrc
# HashedControlPassword parameter)
# cookiefile - Name of the file containing the control channel cookie
# (see torrc CookieAuthentication parameter)
#
# Using HashedControlPassword authentication has the problem that you must
# include the plain-text password in the munin config file. To have any
# effect, that file shouldn't be world-readable.
# If you're using CookieAuthentication, you should run this plugin as a user
# which has read access to the tor datafiles. Also note that bugs in versions
# upto and including 0.1.1.20 prevent CookieAuthentication from working.
#
# Usage: place in /etc/munin/node.d/ or in /etc/munin/plugins (or link it there using ln -s)
#
# Parameters understood:
# config (required)
# autoconf (optional - used by munin-config)
#
# todo:
# try using "graph_period" option "to make graph_sums usable"
#
# Magic markers - optional - used by installation scripts and
# munin-config:
#
#%# family=contrib
#%# capabilities=autoconf
use strict;
use IO::Socket::INET;
# Config
our $address = $ENV{host} || "localhost"; # Default: localhost
our $port = $ENV{port} || 9051; # Default: 9051
# Don't edit below this line
sub Authenticate
{
my ($socket) = @_;
my $authline = "AUTHENTICATE";
if (defined($ENV{cookiefile})) {
if (open(COOKIE, "<$ENV{cookiefile}")) {
binmode COOKIE;
my $cookie;
$authline .= " ";
while (read(COOKIE, $cookie, 32)) {
foreach my $byte (unpack "C*", $cookie) {
$authline .= sprintf "%02x", $byte;
}
}
close COOKIE;
}
} elsif (defined($ENV{password})) {
$authline .= ' "' . $ENV{password} . '"';
}
print $socket "$authline\r\n";
my $replyline = <$socket>;
if (substr($replyline, 0, 1) != '2') {
$replyline =~ s/\s*$//;
return "Failed to authenticate: $replyline";
}
return;
}
if ($ARGV[0] and $ARGV[0] eq "autoconf") {
# Try to connect to the daemon
my $socket = IO::Socket::INET->new("$address:$port")
or my $failed = 1;
if ($failed) {
print "no (failed to connect to $address port $port)\n";
exit 1;
}
my $msg = Authenticate($socket);
if (defined($msg)) {
print $socket "QUIT\r\n";
close($socket);
print "no ($msg)\n";
exit 1;
}
print $socket "QUIT\r\n";
close($socket);
print "yes\n";
exit 0;
}
if ($ARGV[0] and $ARGV[0] eq "config") {
print "graph_title Tor bandwidth usage (in/out)\n";
print "graph_args --base 1000\n";
print "graph_vlabel bytes/sec\n";
print "graph_category Tor\n";
print "graph_info This graph shows the flowing incoming/outgoing bytes on a Tor node\n";
print "down.label Download\n";
print "down.type DERIVE\n";
print "down.min 0\n";
print "up.label Upload\n";
print "up.type DERIVE\n";
print "up.min 0\n";
exit 0;
}
my $socket = IO::Socket::INET->new("$address:$port")
or die("Couldn't connect to $address port $port: $!");
my $msg = Authenticate($socket);
if (defined($msg)) {
print $socket "QUIT\r\n";
close($socket);
die "$msg\n";
}
print $socket "GETINFO accounting/bytes\r\n";
my $down = 0;
my $up = 0;
my $replyline = <$socket>;
chomp($replyline);
if ( $replyline =~ /^250-accounting\/bytes=(\d+)\s(\d+)\r$/ ) {
$down = $1;
$up = $2;
} else {
die "Failed to get accounting info: $replyline\n";
}
print $socket "QUIT\r\n";
close($socket);
print "down.value $down\n";
print "up.value $up\n";
exit 0;