index 733406da922fd9a7742a2b18b2fcf5dab4861407..1b02ea3cd58115565e32ba00fd0a1a3b89d053cc 100644 (file)
-#!/usr/bin/perl
+#!/usr/bin/perl -w
+#
+# $Id: check_email_loop.pl 1290 2005-11-29 23:21:06Z harpermann $
#
# (c)2000 Benjamin Schmid, blueshift@gmx.net (emergency use only ;-)
# Copyleft by GNU GPL
# back till now) or if a mails got lost (meaning a mail, that was
# send later came back prior to another mail).
#
+# Michael Markstaller, mm@elabnet.de various changes/additions
+# MM 021003: fixed some unquoted strings
+# MM 021116: fixed/added pendwarn/lostwarn
+# MM 030515: added deleting of orphaned check-emails
+# changed to use "top" instead of get to minimize traffic (required changing match-string from "Subject: Email-ping [" to "Email-Ping ["
use Net::POP3;
use Net::SMTP;
# ----------------------------------------
my $TIMEOUT = 120;
-my %ERRORS = ('UNKNOWN' , '-1',
- 'OK' , '0',
+my %ERRORS = ('OK' , '0',
'WARNING', '1',
'CRITICAL', '2');
+ 'UNKNOWN' , '3');
my $state = "UNKNOWN";
-my ($sender,$receiver, $pophost, $popuser, $poppasswd, $smtphost);
-my ($poptimeout,$smtptimeout,$pinginterval)=(60,60,5);
-my ($lostwarn, $lostcrit,$pendwarn, $pendcrit);
+my ($sender,$receiver, $pophost, $popuser, $poppasswd, $smtphost,$keeporphaned);
+my ($poptimeout,$smtptimeout,$pinginterval,$maxmsg)=(60,60,5,50);
+my ($lostwarn, $lostcrit,$pendwarn, $pendcrit,$debug);
+$debug = 0;
# Internal Vars
my ($pop,$msgcount,@msglines,$statinfo,@messageids,$newestid);
+my (%other_smtp_opts);
my ($matchcount,$statfile) = (0,"check_email_loop.stat");
# Subs declaration
my $status = GetOptions(
"from=s",\$sender,
"to=s",\$receiver,
+ "debug", \$debug,
"pophost=s",\$pophost,
"popuser=s",\$popuser,
"passwd=s",\$poppasswd,
"smtptimeout=i",\$smtptimeout,
"statfile=s",\$statfile,
"interval=i",\$pinginterval,
- "lostwarr=i",\$lostwarn,
+ "lostwarn=i",\$lostwarn,
"lostcrit=i",\$lostcrit,
"pendwarn=i",\$pendwarn,
"pendcrit=i",\$pendcrit,
+ "maxmsg=i",\$maxmsg,
+ "keeporphaned=s",\$keeporphaned,
);
usage() if ($status == 0 || ! ($pophost && $popuser && $poppasswd &&
$smtphost && $receiver && $sender ));
my $serial = time();
$serial = "ID#" . $serial . "#$$";
+
# sending new ping email
-my $smtp = Net::SMTP->new($smtphost,Timeout=>$smtptimeout)
+%other_smtp_opts=();
+if ( $debug == 1 ) {
+ $other_smtp_opts{'Debug'} = 1;
+}
+
+my $smtp = Net::SMTP->new($smtphost,Timeout=>$smtptimeout, %other_smtp_opts)
|| nsexit("SMTP connect timeout ($smtptimeout s)",'CRITICAL');
($smtp->mail($sender) &&
$smtp->to($receiver) &&
$smtp->data() &&
$smtp->datasend("To: $receiver\nSubject: E-Mail Ping [$serial]\n\n".
- "This is a automatically sended E-Mail.\n".
- "It ist not intended for human reader.\n\n".
+ "This is an automatically sent E-Mail.\n".
+ "It is not intended for a human reader.\n\n".
"Serial No: $serial\n") &&
$smtp->dataend() &&
$smtp->quit
nsexit("POP3 login failed (user:$popuser)",'CRITICAL') if (!defined($msgcount));
+# Check if more than maxmsg mails in pop3-box
+nsexit(">$maxmsg Mails ($msgcount Mails on POP3); Please delete !",'WARNING') if ($msgcount > $maxmsg);
+
+my ($mid, $nid);
# Count messages, that we are looking 4:
while ($msgcount > 0) {
- @msglines = @{$pop->get($msgcount)};
-
+ @msglines = @{$pop->top($msgcount,1)};
for (my $i=0; $i < scalar @messageids; $i++) {
if (messagematchsid(\@msglines,$messageids[$i])) {
$matchcount++;
# newest received mail than the others, ok remeber id.
- $newestid = $messageids[$i] if ($messageids[$i] > $newestid || !defined $newestid);
+ if (!defined $newestid) {
+ $newestid = $messageids[$i];
+ } else {
+ $messageids[$i] =~ /\#(\d+)\#/;
+ $mid = $1;
+ $newestid =~ /\#(\d+)\#/;
+ $nid = $1;
+ if ($mid > $nid) {
+ $newestid = $messageids[$i];
+ }
+ }
$pop->delete($msgcount); # remove E-Mail from POP3 server
splice @messageids, $i, 1;# remove id from List
- last; # stop looking in list
- }
+ last; # stop looking in list
+ }
}
-
- $msgcount--;
+ # Delete orphaned Email-ping msg
+ my @msgsubject = grep /^Subject/, @msglines;
+ chomp @msgsubject;
+ # Scan Subject if email is an Email-Ping. In fact we match and delete also successfully retrieved messages here again.
+ if (!defined $keeporphaned && $msgsubject[0] =~ /E-Mail Ping \[/) {
+ $pop->delete($msgcount); # remove E-Mail from POP3 server
+ }
+
+ $msgcount--;
}
$pop->quit(); # necessary for pop3 deletion!
# ----------------------------------------------------------------------
sub usage {
- print "check_email_loop 1.0 Nagios Plugin - Real check of a E-Mail system\n";
+ print "check_email_loop 1.1 Nagios Plugin - Real check of a E-Mail system\n";
print "=" x 75,"\nERROR: Missing or wrong arguments!\n","=" x 75,"\n";
print "This script sends a mail with a specific id in the subject via an given\n";
print "smtp-server to a given email-adress. When the script is run again, it checks\n";
print " -smtphost=text IP oder name of the SMTP host\n";
print " -smtptimeout=num Timeout in seconds for the SMTP-server\n";
print " -statfile=text File to save ids of messages ($statfile)\n";
-# print " -interval=num Time (in minutes) that must pass by before sending\n"
-# print " another Ping-mail (gibe a new try);\n";
+ print " -interval=num Time (in minutes) that must pass by before sending\n";
+ print " another Ping-mail (gibe a new try);\n";
print " -lostwarn=num WARNING-state if more than num lost emails\n";
print " -lostcrit=num CRITICAL \n";
print " -pendwarn=num WARNING-state if more than num pending emails\n";
print " -pendcrit=num CRITICAL \n";
+ print " -maxmsg=num WARNING if more than num emails on POP3 (default 50)\n";
+ print " -keeporphaned Set this to NOT delete orphaned E-Mail Ping msg from POP3\n";
+ print " -debug send SMTP tranaction info to stderr\n\n";
print " Options may abbreviated!\n";
print " LOST mails are mails, being sent before the last mail arrived back.\n";
print " PENDING mails are those, which are not. (supposed to be on the way)\n";
print "\nExample: \n";
print " $0 -poph=host -pa=pw -popu=popts -smtph=host -from=root\@me.com\n ";
print " -to=remailer\@testxy.com -lostc=0 -pendc=2\n";
- print "\nCopyleft 19.10.2000, Benjamin Schmid\n";
+ print "\nCopyleft 19.10.2000, Benjamin Schmid / 2003 Michael Markstaller, mm\@elabnet.de\n";
print "This script comes with ABSOLUTELY NO WARRANTY\n";
print "This programm is licensed under the terms of the ";
print "GNU General Public License\n\n";
# ID
$id =~ s/^LI/ID/; # evtl. remove lost mail mark
- @tmp = grep /Subject: E-Mail Ping \[/, @$mailref;
+ @tmp = grep /E-Mail Ping \[/, @$mailref;
chomp @tmp;
if (($tmp[0] =~ /$id/))
{ $match = 1; }