Imported Upstream version 1.14upstream/1.14

1 files changed, 976 insertions, 0 deletions

diff --git a/mailgraph.pl b/mailgraph.pl
new file mode 100755
index 0000000..5da3eda
--- /dev/null
+++ b/mailgraph.pl
@@ -0,0 +1,976 @@
+#!/usr/bin/perl -w
+
+# mailgraph -- an rrdtool frontend for mail statistics
+# copyright (c) 2000-2007 ETH Zurich
+# copyright (c) 2000-2007 David Schweikert <david@schweikert.ch>
+# released under the GNU General Public License
+
+######## Parse::Syslog 1.09 (automatically embedded) ########
+package Parse::Syslog;
+use Carp;
+use Symbol;
+use Time::Local;
+use IO::File;
+use strict;
+use vars qw($VERSION);
+my %months_map = (
+    'Jan' => 0, 'Feb' => 1, 'Mar' => 2,
+    'Apr' => 3, 'May' => 4, 'Jun' => 5,
+    'Jul' => 6, 'Aug' => 7, 'Sep' => 8,
+    'Oct' => 9, 'Nov' =>10, 'Dec' =>11,
+    'jan' => 0, 'feb' => 1, 'mar' => 2,
+    'apr' => 3, 'may' => 4, 'jun' => 5,
+    'jul' => 6, 'aug' => 7, 'sep' => 8,
+    'oct' => 9, 'nov' =>10, 'dec' =>11,
+);
+sub is_dst_switch($$$)
+{
+    my ($self, $t, $time) = @_;
+    # calculate the time in one hour and see if the difference is 3600 seconds.
+    # if not, we are in a dst-switch hour
+    # note that right now we only support 1-hour dst offsets
+    # cache the result
+    if(defined $self->{is_dst_switch_last_hour} and
+        $self->{is_dst_switch_last_hour} == $t->[3]<<5+$t->[2]) {
+        return @{$self->{is_dst_switch_result}};
+    }
+    # calculate a number out of the day and hour to identify the hour
+    $self->{is_dst_switch_last_hour} = $t->[3]<<5+$t->[2];
+    # calculating hour+1 (below) is a problem if the hour is 23. as far as I
+    # know, nobody does the DST switch at this time, so just assume it isn't
+    # DST switch if the hour is 23.
+    if($t->[2]==23) {
+        @{$self->{is_dst_switch_result}} = (0, undef);
+        return @{$self->{is_dst_switch_result}};
+    }
+    # let's see the timestamp in one hour
+    # 0: sec, 1: min, 2: h, 3: day, 4: month, 5: year
+    my $time_plus_1h = timelocal($t->[0], $t->[1], $t->[2]+1, $t->[3], $t->[4], $t->[5]);
+    if($time_plus_1h - $time > 4000) {
+        @{$self->{is_dst_switch_result}} = (3600, $time-$time%3600+3600);
+    }
+    else {
+        @{$self->{is_dst_switch_result}} = (0, undef);
+    }
+    return @{$self->{is_dst_switch_result}};
+}
+# fast timelocal, cache minute's timestamp
+# don't cache more than minute because of daylight saving time switch
+# 0: sec, 1: min, 2: h, 3: day, 4: month, 5: year
+sub str2time($$$$$$$$)
+{
+    my $self = shift @_;
+    my $GMT = pop @_;
+    my $lastmin = $self->{str2time_lastmin};
+    if(defined $lastmin and
+        $lastmin->[0] == $_[1] and
+        $lastmin->[1] == $_[2] and
+        $lastmin->[2] == $_[3] and
+        $lastmin->[3] == $_[4] and
+        $lastmin->[4] == $_[5])
+    {
+        $self->{last_time} = $self->{str2time_lastmin_time} + $_[0];
+        return $self->{last_time} + ($self->{dst_comp}||0);
+    }
+    my $time;
+    if($GMT) {
+        $time = timegm(@_);
+    }
+    else {
+        $time = timelocal(@_);
+    }
+    # compensate for DST-switch
+    # - if a timewarp is detected (1:00 -> 1:30 -> 1:00):
+    # - test if we are in a DST-switch-hour
+    # - compensate if yes
+    # note that we assume that the DST-switch goes like this:
+    # time   1:00  1:30  2:00  2:30  2:00  2:30  3:00  3:30
+    # stamp   1     2     3     4     3     3     7     8  
+    # comp.   0     0     0     0     2     2     0     0
+    # result  1     2     3     4     5     6     7     8
+    # old Time::Local versions behave differently (1 2  5 6 5 6 7 8)
+    if(!$GMT and !defined $self->{dst_comp} and
+        defined $self->{last_time} and
+        $self->{last_time}-$time > 1200 and
+        $self->{last_time}-$time < 3600)
+    {
+        my ($off, $until) = $self->is_dst_switch(\@_, $time);
+        if($off) {
+            $self->{dst_comp} = $off;
+            $self->{dst_comp_until} = $until;
+        }
+    }
+    if(defined $self->{dst_comp_until} and $time > $self->{dst_comp_until}) {
+        delete $self->{dst_comp};
+        delete $self->{dst_comp_until};
+    }
+    $self->{str2time_lastmin} = [ @_[1..5] ];
+    $self->{str2time_lastmin_time} = $time-$_[0];
+    $self->{last_time} = $time;
+    return $time+($self->{dst_comp}||0);
+}
+sub _use_locale($)
+{
+    use POSIX qw(locale_h strftime);
+    my $old_locale = setlocale(LC_TIME);
+    for my $locale (@_) {
+        croak "new(): wrong 'locale' value: '$locale'" unless setlocale(LC_TIME, $locale);
+        for my $month (0..11) {
+            $months_map{strftime("%b", 0, 0, 0, 1, $month, 96)} = $month;
+        }
+    }
+    setlocale(LC_TIME, $old_locale);
+}
+sub new($$;%)
+{
+    my ($class, $file, %data) = @_;
+    croak "new() requires one argument: file" unless defined $file;
+    %data = () unless %data;
+    if(not defined $data{year}) {
+        $data{year} = (localtime(time))[5]+1900;
+    }
+    $data{type} = 'syslog' unless defined $data{type};
+    $data{_repeat}=0;
+    if(UNIVERSAL::isa($file, 'IO::Handle')) {
+        $data{file} = $file;
+    }
+    elsif(UNIVERSAL::isa($file, 'File::Tail')) {
+        $data{file} = $file;
+        $data{filetail}=1;
+    }
+    elsif(! ref $file) {
+        if($file eq '-') {
+            my $io = new IO::Handle;
+            $data{file} = $io->fdopen(fileno(STDIN),"r");
+        }
+        else {
+            $data{file} = new IO::File($file, "<");
+            defined $data{file} or croak "can't open $file: $!";
+        }
+    }
+    else {
+        croak "argument must be either a file-name or an IO::Handle object.";
+    }
+    if(defined $data{locale}) {
+        if(ref $data{locale} eq 'ARRAY') {
+            _use_locale @{$data{locale}};
+        }
+        elsif(ref $data{locale} eq '') {
+            _use_locale $data{locale};
+        }
+        else {
+            croak "'locale' parameter must be scalar or array of scalars";
+        }
+    }
+    return bless \%data, $class;
+}
+sub _year_increment($$)
+{
+    my ($self, $mon) = @_;
+    # year change
+    if($mon==0) {
+        $self->{year}++ if defined $self->{_last_mon} and $self->{_last_mon} == 11;
+        $self->{enable_year_decrement} = 1;
+    }
+    elsif($mon == 11) {
+        if($self->{enable_year_decrement}) {
+            $self->{year}-- if defined $self->{_last_mon} and $self->{_last_mon} != 11;
+        }
+    }
+    else {
+        $self->{enable_year_decrement} = 0;
+    }
+    $self->{_last_mon} = $mon;
+}
+sub _next_line($)
+{
+    my $self = shift;
+    my $f = $self->{file};
+    if(defined $self->{filetail}) {
+        return $f->read;
+    }
+    else {
+        return $f->getline;
+    }
+}
+sub _next_syslog($)
+{
+    my ($self) = @_;
+    while($self->{_repeat}>0) {
+        $self->{_repeat}--;
+        return $self->{_repeat_data};
+    }
+    my $file = $self->{file};
+    line: while(defined (my $str = $self->_next_line)) {
+        # date, time and host 
+        $str =~ /^
+            (\S{3})\s+(\d+)      # date  -- 1, 2
+            \s
+            (\d+):(\d+):(\d+)    # time  -- 3, 4, 5
+            (?:\s<\w+\.\w+>)?    # FreeBSD's verbose-mode
+            \s
+            ([-\w\.\@:]+)        # host  -- 6
+            \s+
+            (?:\[LOG_[A-Z]+\]\s+)?  # FreeBSD
+            (.*)                 # text  -- 7
+            $/x or do
+        {
+            warn "WARNING: line not in syslog format: $str";
+            next line;
+        };
+        my $mon = $months_map{$1};
+        defined $mon or croak "unknown month $1\n";
+        $self->_year_increment($mon);
+        # convert to unix time
+        my $time = $self->str2time($5,$4,$3,$2,$mon,$self->{year}-1900,$self->{GMT});
+        if(not $self->{allow_future}) {
+            # accept maximum one day in the present future
+            if($time - time > 86400) {
+                warn "WARNING: ignoring future date in syslog line: $str";
+                next line;
+            }
+        }
+        my ($host, $text) = ($6, $7);
+        # last message repeated ... times
+        if($text =~ /^(?:last message repeated|above message repeats) (\d+) time/) {
+            next line if defined $self->{repeat} and not $self->{repeat};
+            next line if not defined $self->{_last_data}{$host};
+            $1 > 0 or do {
+                warn "WARNING: last message repeated 0 or less times??\n";
+                next line;
+            };
+            $self->{_repeat}=$1-1;
+            $self->{_repeat_data}=$self->{_last_data}{$host};
+            return $self->{_last_data}{$host};
+        }
+        # marks
+        next if $text eq '-- MARK --';
+        # some systems send over the network their
+        # hostname prefixed to the text. strip that.
+        $text =~ s/^$host\s+//;
+        # discard ':' in HP-UX 'su' entries like this:
+        # Apr 24 19:09:40 remedy : su : + tty?? root-oracle
+        $text =~ s/^:\s+//;
+        $text =~ /^
+            ([^:]+?)        # program   -- 1
+            (?:\[(\d+)\])?  # PID       -- 2
+            :\s+
+            (?:\[ID\ (\d+)\ ([a-z0-9]+)\.([a-z]+)\]\ )?   # Solaris 8 "message id" -- 3, 4, 5
+            (.*)            # text      -- 6
+            $/x or do
+        {
+            warn "WARNING: line not in syslog format: $str";
+            next line;
+        };
+        if($self->{arrayref}) {
+            $self->{_last_data}{$host} = [
+                $time,  # 0: timestamp 
+                $host,  # 1: host      
+                $1,     # 2: program   
+                $2,     # 3: pid       
+                $6,     # 4: text      
+                ];
+        }
+        else {
+            $self->{_last_data}{$host} = {
+                timestamp => $time,
+                host      => $host,
+                program   => $1,
+                pid       => $2,
+                msgid     => $3,
+                facility  => $4,
+                level     => $5,
+                text      => $6,
+            };
+        }
+        return $self->{_last_data}{$host};
+    }
+    return undef;
+}
+sub _next_metalog($)
+{
+    my ($self) = @_;
+    my $file = $self->{file};
+    line: while(my $str = $self->_next_line) {
+	# date, time and host 
+	$str =~ /^
+            (\S{3})\s+(\d+)   # date  -- 1, 2
+            \s
+            (\d+):(\d+):(\d+) # time  -- 3, 4, 5
+	                      # host is not logged
+            \s+
+            (.*)              # text  -- 6
+            $/x or do
+        {
+            warn "WARNING: line not in metalog format: $str";
+            next line;
+        };
+        my $mon = $months_map{$1};
+        defined $mon or croak "unknown month $1\n";
+        $self->_year_increment($mon);
+        # convert to unix time
+        my $time = $self->str2time($5,$4,$3,$2,$mon,$self->{year}-1900,$self->{GMT});
+	my $text = $6;
+        $text =~ /^
+            \[(.*?)\]        # program   -- 1
+           	             # no PID
+	    \s+
+            (.*)             # text      -- 2
+            $/x or do
+        {
+	    warn "WARNING: text line not in metalog format: $text ($str)";
+            next line;
+        };
+        if($self->{arrayref}) {
+            return [
+                $time,  # 0: timestamp 
+                'localhost',  # 1: host      
+                $1,     # 2: program   
+                undef,  # 3: (no) pid
+                $2,     # 4: text
+                ];
+        }
+        else {
+            return {
+                timestamp => $time,
+                host      => 'localhost',
+                program   => $1,
+                text      => $2,
+            };
+        }
+    }
+    return undef;
+}
+sub next($)
+{
+    my ($self) = @_;
+    if($self->{type} eq 'syslog') {
+        return $self->_next_syslog();
+    }
+    elsif($self->{type} eq 'metalog') {
+        return $self->_next_metalog();
+    }
+    croak "Internal error: unknown type: $self->{type}";
+}
+
+#####################################################################
+#####################################################################
+#####################################################################
+
+use RRDs;
+
+use strict;
+use File::Tail;
+use Getopt::Long;
+use POSIX 'setsid';
+
+my $VERSION = "1.14";
+
+# config
+my $rrdstep = 60;
+my $xpoints = 540;
+my $points_per_sample = 3;
+
+my $daemon_logfile = '/var/log/mailgraph.log';
+my $daemon_pidfile = '/var/run/mailgraph.pid';
+my $daemon_rrd_dir = '/var/log';
+
+# global variables
+my $logfile;
+my $rrd = "mailgraph.rrd";
+my $rrd_virus = "mailgraph_virus.rrd";
+my $year;
+my $this_minute;
+my %sum = ( sent => 0, received => 0, bounced => 0, rejected => 0, virus => 0, spam => 0 );
+my $rrd_inited=0;
+
+my %opt = ();
+
+# prototypes
+sub daemonize();
+sub process_line($);
+sub event_sent($);
+sub event_received($);
+sub event_bounced($);
+sub event_rejected($);
+sub event_virus($);
+sub event_spam($);
+sub init_rrd($);
+sub update($);
+
+sub usage
+{
+	print "usage: mailgraph [*options*]\n\n";
+	print "  -h, --help         display this help and exit\n";
+	print "  -v, --verbose      be verbose about what you do\n";
+	print "  -V, --version      output version information and exit\n";
+	print "  -c, --cat          causes the logfile to be only read and not monitored\n";
+	print "  -l, --logfile f    monitor logfile f instead of /var/log/syslog\n";
+	print "  -t, --logtype t    set logfile's type (default: syslog)\n";
+	print "  -y, --year         starting year of the log file (default: current year)\n";
+	print "      --host=HOST    use only entries for HOST (regexp) in syslog\n";
+	print "  -d, --daemon       start in the background\n";
+	print "  --daemon-pid=FILE  write PID to FILE instead of /var/run/mailgraph.pid\n";
+	print "  --daemon-rrd=DIR   write RRDs to DIR instead of /var/log\n";
+	print "  --daemon-log=FILE  write verbose-log to FILE instead of /var/log/mailgraph.log\n";
+	print "  --ignore-localhost ignore mail to/from localhost (used for virus scanner)\n";
+	print "  --ignore-host=HOST ignore mail to/from HOST regexp (used for virus scanner)\n";
+	print "  --only-mail-rrd    update only the mail rrd\n";
+	print "  --only-virus-rrd   update only the virus rrd\n";
+	print "  --rrd-name=NAME    use NAME.rrd and NAME_virus.rrd for the rrd files\n";
+	print "  --rbl-is-spam      count rbl rejects as spam\n";
+	print "  --virbl-is-virus   count virbl rejects as viruses\n";
+
+	exit;
+}
+
+sub main
+{
+	Getopt::Long::Configure('no_ignore_case');
+	GetOptions(\%opt, 'help|h', 'cat|c', 'logfile|l=s', 'logtype|t=s', 'version|V',
+		'year|y=i', 'host=s', 'verbose|v', 'daemon|d!',
+		'daemon_pid|daemon-pid=s', 'daemon_rrd|daemon-rrd=s',
+		'daemon_log|daemon-log=s', 'ignore-localhost!', 'ignore-host=s@',
+		'only-mail-rrd', 'only-virus-rrd', 'rrd_name|rrd-name=s',
+		'rbl-is-spam', 'virbl-is-virus'
+		) or exit(1);
+	usage if $opt{help};
+
+	if($opt{version}) {
+		print "mailgraph $VERSION by david\@schweikert.ch\n";
+		exit;
+	}
+
+	$daemon_pidfile = $opt{daemon_pid} if defined $opt{daemon_pid};
+	$daemon_logfile = $opt{daemon_log} if defined $opt{daemon_log};
+	$daemon_rrd_dir = $opt{daemon_rrd} if defined $opt{daemon_rrd};
+	$rrd		= $opt{rrd_name}.".rrd" if defined $opt{rrd_name};
+	$rrd_virus	= $opt{rrd_name}."_virus.rrd" if defined $opt{rrd_name};
+
+	# compile --ignore-host regexps
+	if(defined $opt{'ignore-host'}) {
+		for my $ih (@{$opt{'ignore-host'}}) {
+			push @{$opt{'ignore-host-re'}}, qr{\brelay=[^\s,]*$ih}i;
+		}
+	}
+
+	if($opt{daemon} or $opt{daemon_rrd}) {
+		chdir $daemon_rrd_dir or die "mailgraph: can't chdir to $daemon_rrd_dir: $!";
+		-w $daemon_rrd_dir or die "mailgraph: can't write to $daemon_rrd_dir\n";
+	}
+
+	daemonize if $opt{daemon};
+
+	my $logfile = defined $opt{logfile} ? $opt{logfile} : '/var/log/syslog';
+	my $file;
+	if($opt{cat}) {
+		$file = $logfile;
+	}
+	else {
+		$file = File::Tail->new(name=>$logfile, tail=>-1);
+	}
+	my $parser = new Parse::Syslog($file, year => $opt{year}, arrayref => 1,
+		type => defined $opt{logtype} ? $opt{logtype} : 'syslog');
+
+	if(not defined $opt{host}) {
+		while(my $sl = $parser->next) {
+			process_line($sl);
+		}
+	}
+	else {
+		my $host = qr/^$opt{host}$/i;
+		while(my $sl = $parser->next) {
+			process_line($sl) if $sl->[1] =~ $host;
+		}
+	}
+}
+
+sub daemonize()
+{
+	open STDIN, '/dev/null' or die "mailgraph: can't read /dev/null: $!";
+	if($opt{verbose}) {
+		open STDOUT, ">>$daemon_logfile"
+			or die "mailgraph: can't write to $daemon_logfile: $!";
+	}
+	else {
+		open STDOUT, '>/dev/null'
+			or die "mailgraph: can't write to /dev/null: $!";
+	}
+	defined(my $pid = fork) or die "mailgraph: can't fork: $!";
+	if($pid) {
+		# parent
+		open PIDFILE, ">$daemon_pidfile"
+			or die "mailgraph: can't write to $daemon_pidfile: $!\n";
+		print PIDFILE "$pid\n";
+		close(PIDFILE);
+		exit;
+	}
+	# child
+	setsid			or die "mailgraph: can't start a new session: $!";
+	open STDERR, '>&STDOUT' or die "mailgraph: can't dup stdout: $!";
+}
+
+sub init_rrd($)
+{
+	my $m = shift;
+	my $rows = $xpoints/$points_per_sample;
+	my $realrows = int($rows*1.1); # ensure that the full range is covered
+	my $day_steps = int(3600*24 / ($rrdstep*$rows));
+	# use multiples, otherwise rrdtool could choose the wrong RRA
+	my $week_steps = $day_steps*7;
+	my $month_steps = $week_steps*5;
+	my $year_steps = $month_steps*12;
+
+	# mail rrd
+	if(! -f $rrd and ! $opt{'only-virus-rrd'}) {
+		RRDs::create($rrd, '--start', $m, '--step', $rrdstep,
+				'DS:sent:ABSOLUTE:'.($rrdstep*2).':0:U',
+				'DS:recv:ABSOLUTE:'.($rrdstep*2).':0:U',
+				'DS:bounced:ABSOLUTE:'.($rrdstep*2).':0:U',
+				'DS:rejected:ABSOLUTE:'.($rrdstep*2).':0:U',
+				"RRA:AVERAGE:0.5:$day_steps:$realrows",   # day
+				"RRA:AVERAGE:0.5:$week_steps:$realrows",  # week
+				"RRA:AVERAGE:0.5:$month_steps:$realrows", # month
+				"RRA:AVERAGE:0.5:$year_steps:$realrows",  # year
+				"RRA:MAX:0.5:$day_steps:$realrows",   # day
+				"RRA:MAX:0.5:$week_steps:$realrows",  # week
+				"RRA:MAX:0.5:$month_steps:$realrows", # month
+				"RRA:MAX:0.5:$year_steps:$realrows",  # year
+				);
+		$this_minute = $m;
+	}
+	elsif(-f $rrd) {
+		$this_minute = RRDs::last($rrd) + $rrdstep;
+	}
+
+	# virus rrd
+	if(! -f $rrd_virus and ! $opt{'only-mail-rrd'}) {
+		RRDs::create($rrd_virus, '--start', $m, '--step', $rrdstep,
+				'DS:virus:ABSOLUTE:'.($rrdstep*2).':0:U',
+				'DS:spam:ABSOLUTE:'.($rrdstep*2).':0:U',
+				"RRA:AVERAGE:0.5:$day_steps:$realrows",   # day
+				"RRA:AVERAGE:0.5:$week_steps:$realrows",  # week
+				"RRA:AVERAGE:0.5:$month_steps:$realrows", # month
+				"RRA:AVERAGE:0.5:$year_steps:$realrows",  # year
+				"RRA:MAX:0.5:$day_steps:$realrows",   # day
+				"RRA:MAX:0.5:$week_steps:$realrows",  # week
+				"RRA:MAX:0.5:$month_steps:$realrows", # month
+				"RRA:MAX:0.5:$year_steps:$realrows",  # year
+				);
+	}
+	elsif(-f $rrd_virus and ! defined $rrd_virus) {
+		$this_minute = RRDs::last($rrd_virus) + $rrdstep;
+	}
+
+	$rrd_inited=1;
+}
+
+sub process_line($)
+{
+	my $sl = shift;
+	my $time = $sl->[0];
+	my $prog = $sl->[2];
+	my $text = $sl->[4];
+
+	if($prog =~ /^postfix\/(.*)/) {
+		my $prog = $1;
+		if($prog eq 'smtp') {
+			if($text =~ /\bstatus=sent\b/) {
+				return if $opt{'ignore-localhost'} and
+					$text =~ /\brelay=[^\s\[]*\[127\.0\.0\.1\]/;
+				if(defined $opt{'ignore-host-re'}) {
+					for my $ih (@{$opt{'ignore-host-re'}}) {
+						warn "MATCH! $text\n" if $text =~ $ih;
+						return if $text =~ $ih;
+					}
+				}
+				event($time, 'sent');
+			}
+			elsif($text =~ /\bstatus=bounced\b/) {
+				event($time, 'bounced');
+			}
+		}
+		elsif($prog eq 'local') {
+			if($text =~ /\bstatus=bounced\b/) {
+				event($time, 'bounced');
+			}
+		}
+		elsif($prog eq 'smtpd') {
+			if($text =~ /^[0-9A-Z]+: client=(\S+)/) {
+				my $client = $1;
+				return if $opt{'ignore-localhost'} and
+					$client =~ /\[127\.0\.0\.1\]$/;
+				return if $opt{'ignore-host'} and
+					$client =~ /$opt{'ignore-host'}/oi;
+				event($time, 'received');
+			}
+			elsif($opt{'virbl-is-virus'} and $text =~ /^(?:[0-9A-Z]+: |NOQUEUE: )?reject: .*: 554.* blocked using virbl.dnsbl.bit.nl/) {
+				event($time, 'virus');
+			}
+			elsif($opt{'rbl-is-spam'} and $text    =~ /^(?:[0-9A-Z]+: |NOQUEUE: )?reject: .*: 554.* blocked using/) {
+				event($time, 'spam');
+			}
+			elsif($text =~ /^(?:[0-9A-Z]+: |NOQUEUE: )?reject: /) {
+				event($time, 'rejected');
+			}
+			elsif($text =~ /^(?:[0-9A-Z]+: |NOQUEUE: )?milter-reject: /) {
+				if($text =~ /Blocked by SpamAssassin/) {
+					event($time, 'spam');
+				}
+				else {
+					event($time, 'rejected');
+				}
+			}
+		}
+		elsif($prog eq 'error') {
+			if($text =~ /\bstatus=bounced\b/) {
+				event($time, 'bounced');
+			}
+		}
+		elsif($prog eq 'cleanup') {
+			if($text =~ /^[0-9A-Z]+: (?:reject|discard): /) {
+				event($time, 'rejected');
+			}
+		}
+	}
+	elsif($prog eq 'sendmail' or $prog eq 'sm-mta') {
+		if($text =~ /\bmailer=local\b/ ) {
+			event($time, 'received');
+		}
+                elsif($text =~ /\bmailer=relay\b/) {
+                        event($time, 'received');
+                }
+		elsif($text =~ /\bstat=Sent\b/ ) {
+			event($time, 'sent');
+		}
+                elsif($text =~ /\bmailer=esmtp\b/ ) {
+                        event($time, 'sent');
+                }
+		elsif($text =~ /\bruleset=check_XS4ALL\b/ ) {
+			event($time, 'rejected');
+		}
+		elsif($text =~ /\blost input channel\b/ ) {
+			event($time, 'rejected');
+		}
+		elsif($text =~ /\bruleset=check_rcpt\b/ ) {
+			event($time, 'rejected');
+		}
+                elsif($text =~ /\bstat=virus\b/ ) {
+                        event($time, 'virus');
+                }
+		elsif($text =~ /\bruleset=check_relay\b/ ) {
+			if (($opt{'virbl-is-virus'}) and ($text =~ /\bivirbl\b/ )) {
+				event($time, 'virus');
+			} elsif ($opt{'rbl-is-spam'}) {
+				event($time, 'spam');
+			} else {
+				event($time, 'rejected');
+			}
+		}
+		elsif($text =~ /\bsender blocked\b/ ) {
+			event($time, 'rejected');
+		}
+		elsif($text =~ /\bsender denied\b/ ) {
+			event($time, 'rejected');
+		}
+		elsif($text =~ /\brecipient denied\b/ ) {
+			event($time, 'rejected');
+		}
+		elsif($text =~ /\brecipient unknown\b/ ) {
+			event($time, 'rejected');
+		}
+		elsif($text =~ /\bUser unknown$/i ) {
+			event($time, 'bounced');
+		}
+		elsif($text =~ /\bMilter:.*\breject=55/ ) {
+			event($time, 'rejected');
+		}
+	}
+	elsif($prog eq 'exim') {
+		if($text =~ /^[0-9a-zA-Z]{6}-[0-9a-zA-Z]{6}-[0-9a-zA-Z]{2} <= \S+/) {
+			event($time, 'received');
+		}
+		elsif($text =~ /^[0-9a-zA-Z]{6}-[0-9a-zA-Z]{6}-[0-9a-zA-Z]{2} => \S+/) {
+			event($time, 'sent');
+		}
+		elsif($text =~ / rejected because \S+ is in a black list at \S+/) {
+			if($opt{'rbl-is-spam'}) {
+				event($time, 'spam');
+			} else {
+				event($time, 'rejected');
+			}
+		}
+		elsif($text =~ / rejected RCPT \S+: (Sender verify failed|Unknown user)/) {
+			event($time, 'rejected');
+		}
+	}
+	elsif($prog eq 'amavis' || $prog eq 'amavisd') {
+		if(   $text =~ /^\([\w-]+\) (Passed|Blocked) SPAM(?:MY)?\b/) {
+			if($text !~ /\btag2=/) { # ignore new per-recipient log entry (2.2.0)
+				event($time, 'spam'); # since amavisd-new-2004xxxx
+			}
+		}
+		elsif($text =~ /^\([\w-]+\) (Passed|Not-Delivered)\b.*\bquarantine spam/) {
+			event($time, 'spam'); # amavisd-new-20030616 and earlier
+		}
+		elsif($text =~ /^\([\w-]+\) (Passed |Blocked )?INFECTED\b/) {
+			if($text !~ /\btag2=/) {
+				event($time, 'virus');# Passed|Blocked inserted since 2004xxxx
+			}
+		}
+		elsif($text =~ /^\([\w-]+\) (Passed |Blocked )?BANNED\b/) {
+			if($text !~ /\btag2=/) {
+			       event($time, 'virus');
+			}
+		}
+		elsif($text =~ /^Virus found\b/) {
+			event($time, 'virus');# AMaViS 0.3.12 and amavisd-0.1
+		}
+#		elsif($text =~ /^\([\w-]+\) Passed|Blocked BAD-HEADER\b/) {
+#		       event($time, 'badh');
+#		}
+	}
+	elsif($prog eq 'vagatefwd') {
+		# Vexira antivirus (old)
+		if($text =~ /^VIRUS/) {
+			event($time, 'virus');
+		}
+	}
+	elsif($prog eq 'hook') {
+		# Vexira antivirus
+		if($text =~ /^\*+ Virus\b/) {
+			event($time, 'virus');
+		}
+		# Vexira antispam
+		elsif($text =~ /\bcontains spam\b/) {
+			event($time, 'spam');
+		}
+	}
+	elsif($prog eq 'avgatefwd' or $prog eq 'avmailgate.bin') {
+		# AntiVir MailGate
+		if($text =~ /^Alert!/) {
+			event($time, 'virus');
+		}
+		elsif($text =~ /blocked\.$/) {
+			event($time, 'virus');
+		}
+	}
+	elsif($prog eq 'avcheck') {
+		# avcheck
+		if($text =~ /^infected/) {
+			event($time, 'virus');
+		}
+	}
+	elsif($prog eq 'spamd') {
+		if($text =~ /^(?:spamd: )?identified spam/) {
+			event($time, 'spam');
+		}
+		# ClamAV SpamAssassin-plugin
+		elsif($text =~ /(?:result: )?CLAMAV/) {
+			event($time, 'virus');
+		}
+	}
+	elsif($prog eq 'dspam') {
+		if($text =~ /spam detected from/) {
+			event($time, 'spam');
+		}
+	}
+	elsif($prog eq 'spamproxyd' or $prog eq 'spampd') {
+		if($text =~ /^\s*SPAM/ or $text =~ /^identified spam/) {
+			event($time, 'spam');
+		}
+	}
+	elsif($prog eq 'drweb-postfix') {
+		# DrWeb
+		if($text =~ /infected/) {
+			event($time, 'virus');
+		}
+	}
+	elsif($prog eq 'BlackHole') {
+		if($text =~ /Virus/) {
+			event($time, 'virus');
+		}
+		if($text =~ /(?:RBL|Razor|Spam)/) {
+			event($time, 'spam');
+		}
+	}
+	elsif($prog eq 'MailScanner') {
+		if($text =~ /(Virus Scanning: Found)/ ) {
+			event($time, 'virus');
+		}
+		elsif($text =~ /Bounce to/ ) {
+			event($time, 'bounced');
+		}
+		elsif($text =~ /^Spam Checks: Found ([0-9]+) spam messages/) {
+			my $cnt = $1;
+			for (my $i=0; $i<$cnt; $i++) {
+				event($time, 'spam');
+			}
+		}
+	}
+	elsif($prog eq 'clamsmtpd') {
+		if($text =~ /status=VIRUS/) {
+			event($time, 'virus');
+		}
+	}
+	elsif($prog eq 'clamav-milter') {
+		if($text =~ /Intercepted/) {
+			event($time, 'virus');
+		}
+	}
+	# uncommment for clamassassin:
+	#elsif($prog eq 'clamd') {
+	#	if($text =~ /^stream: .* FOUND$/) {
+	#		event($time, 'virus');
+	#	}
+	#}
+	elsif ($prog eq 'smtp-vilter') {
+		if ($text =~ /clamd: found/) {
+			event($time, 'virus');
+		}
+	}
+	elsif($prog eq 'avmilter') {
+		# AntiVir Milter
+		if($text =~ /^Alert!/) {
+			event($time, 'virus');
+		}
+		elsif($text =~ /blocked\.$/) {
+			event($time, 'virus');
+		}
+	}
+	elsif($prog eq 'bogofilter') {
+		if($text =~ /Spam/) {
+			event($time, 'spam');
+		}
+	}
+	elsif($prog eq 'filter-module') {
+		if($text =~ /\bspam_status\=(?:yes|spam)/) {
+			event($time, 'spam');
+		}
+	}
+	elsif($prog eq 'sta_scanner') {
+		if($text =~ /^[0-9A-F]+: virus/) {
+			event($time, 'virus');
+		}
+	}
+}
+
+sub event($$)
+{
+	my ($t, $type) = @_;
+	update($t) and $sum{$type}++;
+}
+
+# returns 1 if $sum should be updated
+sub update($)
+{
+	my $t = shift;
+	my $m = $t - $t%$rrdstep;
+	init_rrd($m) unless $rrd_inited;
+	return 1 if $m == $this_minute;
+	return 0 if $m < $this_minute;
+
+	print "update $this_minute:$sum{sent}:$sum{received}:$sum{bounced}:$sum{rejected}:$sum{virus}:$sum{spam}\n" if $opt{verbose};
+	RRDs::update $rrd, "$this_minute:$sum{sent}:$sum{received}:$sum{bounced}:$sum{rejected}" unless $opt{'only-virus-rrd'};
+	RRDs::update $rrd_virus, "$this_minute:$sum{virus}:$sum{spam}" unless $opt{'only-mail-rrd'};
+	if($m > $this_minute+$rrdstep) {
+		for(my $sm=$this_minute+$rrdstep;$sm<$m;$sm+=$rrdstep) {
+			print "update $sm:0:0:0:0:0:0 (SKIP)\n" if $opt{verbose};
+			RRDs::update $rrd, "$sm:0:0:0:0" unless $opt{'only-virus-rrd'};
+			RRDs::update $rrd_virus, "$sm:0:0" unless $opt{'only-mail-rrd'};
+		}
+	}
+	$this_minute = $m;
+	$sum{sent}=0;
+	$sum{received}=0;
+	$sum{bounced}=0;
+	$sum{rejected}=0;
+	$sum{virus}=0;
+	$sum{spam}=0;
+	return 1;
+}
+
+main;
+
+__END__
+
+=head1 NAME
+
+mailgraph.pl - rrdtool frontend for mail statistics
+
+=head1 SYNOPSIS
+
+B<mailgraph> [I<options>...]
+
+     --man          show man-page and exit
+ -h, --help         display this help and exit
+     --version      output version information and exit
+ -h, --help         display this help and exit
+ -v, --verbose      be verbose about what you do
+ -V, --version      output version information and exit
+ -c, --cat          causes the logfile to be only read and not monitored
+ -l, --logfile f    monitor logfile f instead of /var/log/syslog
+ -t, --logtype t    set logfile's type (default: syslog)
+ -y, --year         starting year of the log file (default: current year)
+     --host=HOST    use only entries for HOST (regexp) in syslog
+ -d, --daemon       start in the background
+ --daemon-pid=FILE  write PID to FILE instead of /var/run/mailgraph.pid
+ --daemon-rrd=DIR   write RRDs to DIR instead of /var/log
+ --daemon-log=FILE  write verbose-log to FILE instead of /var/log/mailgraph.log
+ --ignore-localhost ignore mail to/from localhost (used for virus scanner)
+ --ignore-host=HOST ignore mail to/from HOST regexp (used for virus scanner)
+ --only-mail-rrd    update only the mail rrd
+ --only-virus-rrd   update only the virus rrd
+ --rrd-name=NAME    use NAME.rrd and NAME_virus.rrd for the rrd files
+ --rbl-is-spam      count rbl rejects as spam
+ --virbl-is-virus   count virbl rejects as viruses
+
+=head1 DESCRIPTION
+
+This script does parse syslog and updates the RRD database (mailgraph.rrd) in
+the current directory.
+
+=head2 Log-Types
+
+The following types can be given to --logtype:
+
+=over 10
+
+=item syslog
+
+Traditional "syslog" (default)
+
+=item metalog
+
+Metalog (see http://metalog.sourceforge.net/)
+
+=back
+
+=head1 COPYRIGHT
+
+Copyright (c) 2000-2007 by ETH Zurich
+Copyright (c) 2000-2007 by David Schweikert
+
+=head1 LICENSE
+
+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 2 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, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+=head1 AUTHOR
+
+S<David Schweikert E<lt>david@schweikert.chE<gt>>
+
+=cut
+
+# vi: sw=8