382 lines
9.1 KiB
Plaintext
382 lines
9.1 KiB
Plaintext
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#!/usr/bin/perl
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#
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# Plugin to monitor the number of mails received and delivered by exim.
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#
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# Usage: copy or link into /etc/munin/node.d/
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#
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# Parameters:
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#
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# config (required)
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# autoconf (optional - used by munin-config)
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#
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# Config variables:
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#
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# logdir - Override what exim says
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# exim - Where's exim?
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#
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# $Log$
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# Revision 1.7.2.2 2005/03/12 23:07:17 jimmyo
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# Avoid negative spike in generic/exim_mailstats.
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#
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# Revision 1.7.2.1 2005/03/09 19:24:12 jimmyo
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# Thanks to Stephen Gran, generic/exim_mailstats now graphs rejects (Deb#295799).
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#
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# Revision 1.7 2004/12/10 18:51:43 jimmyo
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# linux/apt* has been forced to LANG=C, to get predictable output.
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#
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# Revision 1.6 2004/12/10 10:47:47 jimmyo
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# Change name from ${scale} to ${graph_period}, to be more consistent.
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#
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# Revision 1.5 2004/12/09 22:12:54 jimmyo
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# Added "graph_period" option, to make "graph_sums" usable.
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#
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# Revision 1.4 2004/11/21 00:16:56 jimmyo
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# Changed a lot of plugins so they use DERIVE instead of COUNTER.
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#
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# Revision 1.3 2004/11/10 15:54:49 jimmyo
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# Applied patch from Torstein T. Svendsen to generic/exim_mailstats, to handle logfiles with timestamps in the name (SF#1055214)
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#
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# Revision 1.2 2004/05/20 13:57:12 jimmyo
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# Set categories to some of the plugins.
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#
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# Revision 1.1 2004/01/02 18:50:00 jimmyo
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# Renamed occurrances of lrrd -> munin
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#
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# Revision 1.1.1.1 2004/01/02 15:18:07 jimmyo
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# Import of LRRD CVS tree after renaming to Munin
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#
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# Revision 1.7 2003/11/15 11:10:28 jimmyo
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# Various fixes
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#
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# Revision 1.6 2003/11/07 17:43:16 jimmyo
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# Cleanups and log entries
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#
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#
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#
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# Magic markers (optional - used by munin-config and some installation
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# scripts):
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#
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#%# family=auto
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#%# capabilities=autoconf
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sub get_exim_logfile {
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my ($spec, $type, $time) = @_;
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chomp($spec);
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$time = time() unless $time;
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my $logfile = $spec;
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$logfile =~ s/^log_file_path = //;
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$logfile =~ s/\%s/$type/;
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if( $logfile =~ /\%D/ ) {
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my @t=localtime($time);
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my $ts = sprintf("%04d%02d%02d",$t[5]+1900, $t[4]+1, $t[3]);
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$logfile =~ s/\%D/$ts/g;
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}
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my @lfiles = split(/\s?:\s?/, $logfile);
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foreach (@lfiles) {
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return $_ unless /^syslog/;
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}
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}
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$statefile = "/var/lib/munin/plugin-state/plugin-exim_mailstats.state";
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$pos = undef;
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$received = 0;
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$completed = 0;
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$rejected = 0;
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$greylisted = 0;
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$rbl = 0;
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$spam = 0;
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$sender = 0;
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$user = 0;
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$protocol = 0;
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$helo = 0;
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$virus = 0;
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$fakemx = 0;
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($dirname = $0) =~ s/[^\/]+$//;
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$EXIM = "/usr/sbin/exim";
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$EXIM = "/usr/sbin/exim4" if (-x "/usr/sbin/exim4"); # a Debianism
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$EXIM = $ENV{'exim'} if defined $ENV{'exim'};
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$EXIM = "/usr/exim/bin/exim";
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$LOGDIR = $ENV{'logdir'} || undef;
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if ( $ARGV[0] and $ARGV[0] eq "autoconf" )
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{
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my $logfile;
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if(defined($LOGDIR)) {
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if(! -d $LOGDIR) {
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print "no (logdir does not exist)\n";
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exit(1);
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}
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$logfile = $LOGDIR . '/mainlog';
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} else {
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my $logfilespec = `$EXIM -bP log_file_path 2>/dev/null`;
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if (! $?)
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{
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$logfile = get_exim_logfile( $logfilespec, 'main');
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}
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elsif ($? eq "127")
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{
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print "no (exim not found)\n";
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}
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else
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{
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print "no\n";
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}
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}
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if ($logfile)
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{
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if (-r "$logfile")
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{
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print "yes\n";
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exit 0;
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}
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else
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{
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print "no (logfile not readable)\n";
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}
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}
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exit 1;
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}
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my $logfilespec;
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if(defined($LOGDIR)) {
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$logfilespec = '';
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$logfile = $LOGDIR . '/' . 'mainlog';
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} else {
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$logfilespec = `$EXIM -bP log_file_path`;
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$logfile = get_exim_logfile( $logfilespec, 'main');
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}
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exit 1 unless -r $logfile;
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if( $logfilespec =~ /\%D/ ) {
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$rotlogfile = get_exim_logfile( $logfilespec, 'main', (time()-(24*60*60)));
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} else {
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if (-f "$logfile.0")
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{
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$rotlogfile = $logfile . ".0";
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}
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elsif (-f "$logfile.1")
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{
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$rotlogfile = $logfile . ".1";
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}
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elsif (-f "$logfile.01")
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{
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$rotlogfile = $logfile . ".01";
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}
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else
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{
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$rotlogfile = $logfile . ".0";
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}
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}
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if ( $ARGV[0] and $ARGV[0] eq "config" )
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{
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print "graph_title Exim mail throughput\n";
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print "graph_args --base 1000 -l 0\n";
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print "graph_vlabel mails/\${graph_period}\n";
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print "graph_scale no\n";
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print "graph_category Mail\n";
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print "received.label received\n";
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print "received.type DERIVE\n";
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print "received.min 0\n";
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print "received.draw LINE\n";
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print "completed.label completed\n";
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print "completed.type DERIVE\n";
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print "completed.min 0\n";
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# print "completed.draw AREA\n";
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print "rejected.label rejected (other)\n";
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print "rejected.type DERIVE\n";
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print "rejected.min 0\n";
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# print "rejected.draw STACK\n";
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print "rbl.label rejected (RBL)\n";
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print "rbl.type DERIVE\n";
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print "rbl.min 0\n";
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# print "rbl.draw STACK\n";
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print "spam.label rejected (spam)\n";
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print "spam.type DERIVE\n";
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print "spam.min 0\n";
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# print "spam.draw STACK\n";
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print "greylisted.label greylisted\n";
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print "greylisted.type DERIVE\n";
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print "greylisted.min 0\n";
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# print "greylisted.draw STACK\n";
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print "sender.label rejected (sender verify)\n";
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print "sender.type DERIVE\n";
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print "sender.min 0\n";
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# print "sender.draw STACK\n";
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print "user.label rejected (user unknown)\n";
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print "user.type DERIVE\n";
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print "user.min 0\n";
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# print "user.draw STACK\n";
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print "protocol.label rejected (protocol violation)\n";
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print "protocol.type DERIVE\n";
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print "protocol.min 0\n";
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# print "protocol.draw STACK\n";
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print "helo.label rejected (helo/ehlo)\n";
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print "helo.type DERIVE\n";
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print "helo.min 0\n";
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# print "helo.draw STACK\n";
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print "virus.label rejected (virus)\n";
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print "virus.type DERIVE\n";
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print "virus.min 0\n";
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# print "virus.draw STACK\n";
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print "fakemx.label rejected (fakeMX)\n";
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print "fakemx.type DERIVE\n";
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print "fakemx.min 0\n";
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# print "fakemx.draw STACK\n";
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exit 0;
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}
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if (! -f $logfile and ! -f $rotlogfile)
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{
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print "completed.value U\n";
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print "received.value U\n";
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print "rejected.value U\n";
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print "greylisted.value U\n";
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print "rbl.value U\n";
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print "spam.value U\n";
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print "sender.value U\n";
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print "user.value U\n";
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print "protocol.value U\n";
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print "helo.value U\n";
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print "virus.value U\n";
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print "fakemx.value U\n";
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exit 0;
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}
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if (-f "$statefile")
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{
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open (IN, "$statefile") or exit 4;
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my $in = <IN>;
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if ($in =~ /^(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+)/)
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{
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($pos, $received, $completed, $rejected, $greylisted, $rbl, $spam, $sender, $user, $protocol, $helo, $virus, $fakemx) = ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13);
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}
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elsif ($in =~ /^(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+)/)
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{
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($pos, $received, $completed, $rejected, $greylisted, $rbl, $spam) = ($1, $2, $3, $4, $5, $6, $7);
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}
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elsif ($in =~ /^(\d+):(\d+):(\d+):(\d+)/)
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{
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($pos, $received, $completed, $rejected) = ($1, $2, $3, $4);
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}
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elsif ($in =~ /^(\d+):(\d+):(\d+)/)
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{
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($pos, $received, $completed) = ($1, $2, $3);
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$rejected = 0;
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}
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close IN;
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}
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$startsize = (stat $logfile)[7];
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if (!defined $pos)
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{
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# Initial run.
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$pos = $startsize;
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}
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if ($startsize < $pos)
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{
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# Log rotated
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parseEximfile ($rotlogfile, $pos, (stat $rotlogfile)[7]);
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$pos = 0;
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}
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parseEximfile ($logfile, $pos, $startsize);
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$pos = $startsize;
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print "received.value $received\n";
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print "completed.value $completed\n";
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print "rejected.value $rejected\n";
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print "rbl.value $rbl\n";
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print "spam.value $spam\n";
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print "greylisted.value $greylisted\n";
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print "sender.value $sender\n";
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print "user.value $user\n";
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print "protocol.value $protocol\n";
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print "helo.value $helo\n";
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print "virus.value $virus\n";
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print "fakemx.value $fakemx\n";
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if(-l $statefile) {
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die("$statefile is a symbolic link, refusing to touch it.");
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}
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open (OUT, ">$statefile") or exit 4;
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print OUT "$pos:$received:$completed:$rejected:$greylisted:$rbl:$spam:$sender:$user:$protocol:$helo:$virus:$fakemx\n";
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close OUT;
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sub parseEximfile
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{
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my ($fname, $start, $stop) = @_;
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open (LOGFILE, $fname) or exit 3;
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seek (LOGFILE, $start, 0) or exit 2;
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while (tell (LOGFILE) < $stop)
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{
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my $line =<LOGFILE>;
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chomp ($line);
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if (substr ($line, 37,2 ) eq '<=')
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{
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$received++;
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}
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elsif (substr ($line, 37,9) eq 'Completed')
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{
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$completed++;
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}
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elsif ($line=~/greylisted\.$/)
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{
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$greylisted++;
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}
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elsif ($line=~/in a RBL/)
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{
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$rbl++;
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}
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elsif ($line=~/considered spam/)
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{
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$spam++;
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}
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elsif ($line=~/sender verify/)
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{
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$sender++;
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}
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elsif ($line=~/Unknown user/)
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{
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$user++;
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}
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elsif ($line=~/synchronization error/)
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{
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$protocol++;
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}
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elsif ($line=~/HELO\/EHLO/)
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{
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$helo++;
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}
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elsif ($line=~/contains a virus/)
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{
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|
$virus++;
|
||
|
|
}
|
||
|
|
elsif ($line=~/fakemx for/)
|
||
|
|
{
|
||
|
|
$fakemx++;
|
||
|
|
}
|
||
|
|
elsif ($line=~/rejected/)
|
||
|
|
{
|
||
|
|
$rejected++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
close(LOGFILE);
|
||
|
|
}
|
||
|
|
|
||
|
|
# vim:syntax=perl
|