[monitoring-plugins] check_mailq: try to autodetect which mailq ...

[Jan Wagner]

    Module: monitoring-plugins
    Branch: master
    Commit: be9aa5aba24640b15205060cda442d02f7be799c
    Author: Evgeni Golov <evgeni at golov.de>
 Committer: Jan Wagner <waja at cyconet.org>
      Date: Thu Feb 27 08:31:05 2014 +0100
       URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=be9aa5a

check_mailq: try to autodetect which mailq implementation we are using

This is done by looking at some common directories and files each
MTA installs on the system. If no known file is found, the old default
sendmail is used. Of course this still can be overridden by -M.

---

 plugins-scripts/check_mailq.pl | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/plugins-scripts/check_mailq.pl b/plugins-scripts/check_mailq.pl
index 2a805b6..cc040eb 100755
--- a/plugins-scripts/check_mailq.pl
+++ b/plugins-scripts/check_mailq.pl
@@ -605,7 +605,30 @@ sub process_arguments(){
 			exit $ERRORS{'UNKNOWN'};
 		}
 	}else{
-		$mailq = 'sendmail' ;
+		if (defined $utils::PATH_TO_QMAIL_QSTAT
+		    && -x $utils::PATH_TO_QMAIL_QSTAT)
+		{
+			$mailq = 'qmail';
+		}
+		elsif (-d '/var/lib/postfix' || -d '/var/local/lib/postfix'
+		       || -e '/usr/sbin/postfix' || -e '/usr/local/sbin/postfix')
+		{
+			$mailq = 'postfix';
+		}
+		elsif (-d '/usr/lib/exim4' || -d '/usr/local/lib/exim4'
+		       || -e '/usr/sbin/exim' || -e '/usr/local/sbin/exim')
+		{
+			$mailq = 'exim';
+		}
+		elsif (-d '/usr/lib/nullmailer' || -d '/usr/local/lib/nullmailer'
+		       || -e '/usr/sbin/nullmailer-send'
+		       || -e '/usr/local/sbin/nullmailer-send')
+		{
+			$mailq = 'nullmailer';
+		}
+		else {
+			$mailq = 'sendmail';
+		}
 	}
 		
 	return $ERRORS{'OK'};