#!/usr/bin/perl -w # mailgraph -- postfix mail traffic statistics # copyright (c) 2000-2007 ETH Zurich # copyright (c) 2000-2007 David Schweikert # released under the GNU General Public License use RRDs; use POSIX qw(uname); my $VERSION = "1.14"; my $host = (POSIX::uname())[1]; my $scriptname = 'mailgraph.cgi'; my $xpoints = 540; my $points_per_sample = 3; my $ypoints = 160; my $ypoints_err = 96; my $rrd = '/var/lib/mailgraph/mailgraph.rrd'; # path to where the RRD database is my $rrd_virus = '/var/lib/mailgraph/mailgraph_virus.rrd'; # path to where the Virus RRD database is my $tmp_dir = '/var/cache/mailgraph'; # temporary directory where to store the images my @graphs = ( { title => 'Letzter Tag', seconds => 3600*24, }, { title => 'Letzte Woche', seconds => 3600*24*7, }, { title => 'Letzter Monat', seconds => 3600*24*31, }, { title => 'Letztes Jahr', seconds => 3600*24*365, }, ); my %color = ( sent => '000099', # rrggbb in hex received => '009900', rejected => 'AA0000', bounced => '000000', virus => 'DDBB00', spam => '999999', ); sub rrd_graph(@) { my ($range, $file, $ypoints, @rrdargs) = @_; my $step = $range*$points_per_sample/$xpoints; # choose carefully the end otherwise rrd will maybe pick the wrong RRA: my $end = time; $end -= $end % $step; my $date = localtime(time); $date =~ s|:|\\:|g unless $RRDs::VERSION < 1.199908; my ($graphret,$xs,$ys) = RRDs::graph($file, '--imgformat', 'PNG', '--width', $xpoints, '--height', $ypoints, '--start', "-$range", '--end', $end, '--vertical-label', 'msgs/min', '--lower-limit', 0, '--units-exponent', 0, # don't show milli-messages/s '--lazy', '--color', 'SHADEA#ffffff', '--color', 'SHADEB#ffffff', '--color', 'BACK#ffffff', $RRDs::VERSION < 1.2002 ? () : ( '--slope-mode'), @rrdargs, 'COMMENT:['.$date.']\r', ); my $ERR=RRDs::error; die "ERROR: $ERR\n" if $ERR; } sub graph($$) { my ($range, $file) = @_; my $step = $range*$points_per_sample/$xpoints; rrd_graph($range, $file, $ypoints, "DEF:sent=$rrd:sent:AVERAGE", "DEF:msent=$rrd:sent:MAX", "CDEF:rsent=sent,60,*", "CDEF:rmsent=msent,60,*", "CDEF:dsent=sent,UN,0,sent,IF,$step,*", "CDEF:ssent=PREV,UN,dsent,PREV,IF,dsent,+", "AREA:rsent#$color{sent}:Sent ", 'GPRINT:ssent:MAX:total\: %8.0lf msgs', 'GPRINT:rsent:AVERAGE:avg\: %5.2lf msgs/min', 'GPRINT:rmsent:MAX:max\: %4.0lf msgs/min\l', "DEF:recv=$rrd:recv:AVERAGE", "DEF:mrecv=$rrd:recv:MAX", "CDEF:rrecv=recv,60,*", "CDEF:rmrecv=mrecv,60,*", "CDEF:drecv=recv,UN,0,recv,IF,$step,*", "CDEF:srecv=PREV,UN,drecv,PREV,IF,drecv,+", "LINE2:rrecv#$color{received}:Received", 'GPRINT:srecv:MAX:total\: %8.0lf msgs', 'GPRINT:rrecv:AVERAGE:avg\: %5.2lf msgs/min', 'GPRINT:rmrecv:MAX:max\: %4.0lf msgs/min\l', ); } sub graph_err($$) { my ($range, $file) = @_; my $step = $range*$points_per_sample/$xpoints; rrd_graph($range, $file, $ypoints_err, "DEF:bounced=$rrd:bounced:AVERAGE", "DEF:mbounced=$rrd:bounced:MAX", "CDEF:rbounced=bounced,60,*", "CDEF:dbounced=bounced,UN,0,bounced,IF,$step,*", "CDEF:sbounced=PREV,UN,dbounced,PREV,IF,dbounced,+", "CDEF:rmbounced=mbounced,60,*", "AREA:rbounced#$color{bounced}:Bounced ", 'GPRINT:sbounced:MAX:total\: %8.0lf msgs', 'GPRINT:rbounced:AVERAGE:avg\: %5.2lf msgs/min', 'GPRINT:rmbounced:MAX:max\: %4.0lf msgs/min\l', "DEF:virus=$rrd_virus:virus:AVERAGE", "DEF:mvirus=$rrd_virus:virus:MAX", "CDEF:rvirus=virus,60,*", "CDEF:dvirus=virus,UN,0,virus,IF,$step,*", "CDEF:svirus=PREV,UN,dvirus,PREV,IF,dvirus,+", "CDEF:rmvirus=mvirus,60,*", "STACK:rvirus#$color{virus}:Viruses ", 'GPRINT:svirus:MAX:total\: %8.0lf msgs', 'GPRINT:rvirus:AVERAGE:avg\: %5.2lf msgs/min', 'GPRINT:rmvirus:MAX:max\: %4.0lf msgs/min\l', "DEF:spam=$rrd_virus:spam:AVERAGE", "DEF:mspam=$rrd_virus:spam:MAX", "CDEF:rspam=spam,60,*", "CDEF:dspam=spam,UN,0,spam,IF,$step,*", "CDEF:sspam=PREV,UN,dspam,PREV,IF,dspam,+", "CDEF:rmspam=mspam,60,*", "STACK:rspam#$color{spam}:Spam ", 'GPRINT:sspam:MAX:total\: %8.0lf msgs', 'GPRINT:rspam:AVERAGE:avg\: %5.2lf msgs/min', 'GPRINT:rmspam:MAX:max\: %4.0lf msgs/min\l', "DEF:rejected=$rrd:rejected:AVERAGE", "DEF:mrejected=$rrd:rejected:MAX", "CDEF:rrejected=rejected,60,*", "CDEF:drejected=rejected,UN,0,rejected,IF,$step,*", "CDEF:srejected=PREV,UN,drejected,PREV,IF,drejected,+", "CDEF:rmrejected=mrejected,60,*", "LINE2:rrejected#$color{rejected}:Rejected", 'GPRINT:srejected:MAX:total\: %8.0lf msgs', 'GPRINT:rrejected:AVERAGE:avg\: %5.2lf msgs/min', 'GPRINT:rmrejected:MAX:max\: %4.0lf msgs/min\l', ); } sub print_html() { print "Content-Type: text/html\n\n"; print < Mail statistics for $host HEADER print "

Mail Statistik für $host

\n"; print "\n"; for my $n (0..$#graphs) { print "

$graphs[$n]{title}

\n"; print "

\"mailgraph\"/
\n"; print "\"mailgraph\"/

\n"; } print <
Mailgraph $VERSION by David Schweikert
FOOTER } sub send_image($) { my ($file)= @_; -r $file or do { print "Content-type: text/plain\n\nERROR: can't find $file\n"; exit 1; }; print "Content-type: image/png\n"; print "Content-length: ".((stat($file))[7])."\n"; print "\n"; open(IMG, $file) or die; my $data; print $data while read(IMG, $data, 16384)>0; } sub main() { my $uri = $ENV{REQUEST_URI} || ''; $uri =~ s/\/[^\/]+$//; $uri =~ s/\//,/g; $uri =~ s/(\~|\%7E)/tilde,/g; mkdir $tmp_dir, 0777 unless -d $tmp_dir; mkdir "$tmp_dir/$uri", 0777 unless -d "$tmp_dir/$uri"; my $img = $ENV{QUERY_STRING}; if(defined $img and $img =~ /\S/) { if($img =~ /^(\d+)-n$/) { my $file = "$tmp_dir/$uri/mailgraph_$1.png"; graph($graphs[$1]{seconds}, $file); send_image($file); } elsif($img =~ /^(\d+)-e$/) { my $file = "$tmp_dir/$uri/mailgraph_$1_err.png"; graph_err($graphs[$1]{seconds}, $file); send_image($file); } else { die "ERROR: invalid argument\n"; } } else { print_html; } } main;