13 files changed, 813 insertions, 240 deletions

diff --git a/plugins-scripts/Makefile.am b/plugins-scripts/Makefile.am
index ea65aed..088a445 100644
--- a/plugins-scripts/Makefile.am
+++ b/plugins-scripts/Makefile.am
@@ -16,11 +16,13 @@ VPATH=$(top_srcdir) $(top_srcdir)/plugins-scripts $(top_srcdir)/plugins-scripts/
 libexec_SCRIPTS = check_breeze check_disk_smb check_flexlm check_ircd \
         check_log check_oracle check_rpc check_sensors check_wave \
         check_ifstatus check_ifoperstatus check_mailq check_file_age \
+        check_uptime \
         utils.sh utils.pm
 
 EXTRA_DIST=check_breeze.pl check_disk_smb.pl check_flexlm.pl check_ircd.pl \
         check_log.sh check_oracle.sh check_rpc.pl check_sensors.sh \
         check_ifstatus.pl check_ifoperstatus.pl check_wave.pl check_mailq.pl check_file_age.pl \
+        check_uptime.pl \
         utils.sh.in utils.pm.in t
 
 EDIT = sed \
diff --git a/plugins-scripts/check_disk_smb.pl b/plugins-scripts/check_disk_smb.pl
index 9899226..28c49e8 100755
--- a/plugins-scripts/check_disk_smb.pl
+++ b/plugins-scripts/check_disk_smb.pl
@@ -19,7 +19,7 @@
 #
 
 require 5.004;
-use POSIX;
+use POSIX qw(setsid);
 use strict;
 use Getopt::Long;
 use vars qw($opt_P $opt_V $opt_h $opt_H $opt_s $opt_W $opt_u $opt_p $opt_w $opt_c $opt_a $verbose);
@@ -28,6 +28,9 @@ use FindBin;
 use lib "$FindBin::Bin";
 use utils qw($TIMEOUT %ERRORS &print_revision &support &usage);
 
+# make us session leader which makes all childs exit if we do
+setsid;
+
 sub print_help ();
 sub print_usage ();
 
@@ -175,6 +178,8 @@ my @lines = undef;
 # Just in case of problems, let's not hang the monitoring system
 $SIG{'ALRM'} = sub { 
         print "No Answer from Client\n";
+    $SIG{'INT'} = 'IGNORE';
+    kill(-2, $$);
         exit $ERRORS{"UNKNOWN"};
 };
 alarm($TIMEOUT);
diff --git a/plugins-scripts/check_file_age.pl b/plugins-scripts/check_file_age.pl
index 56b8e97..26281dd 100755
--- a/plugins-scripts/check_file_age.pl
+++ b/plugins-scripts/check_file_age.pl
@@ -43,8 +43,6 @@ $ENV{'ENV'}='';
 
 $opt_w = 240;
 $opt_c = 600;
-$opt_W = 0;
-$opt_C = 0;
 $opt_f = "";
 
 Getopt::Long::Configure('bundling');
@@ -53,10 +51,10 @@ GetOptions(
         "h"   => \$opt_h, "help"        => \$opt_h,
         "i"   => \$opt_i, "ignore-missing"      => \$opt_i,
         "f=s" => \$opt_f, "file"        => \$opt_f,
-        "w=f" => \$opt_w, "warning-age=f" => \$opt_w,
-        "W=f" => \$opt_W, "warning-size=f" => \$opt_W,
-        "c=f" => \$opt_c, "critical-age=f" => \$opt_c,
-        "C=f" => \$opt_C, "critical-size=f" => \$opt_C);
+        "w=s" => \$opt_w, "warning-age=s" => \$opt_w,
+        "W=s" => \$opt_W, "warning-size=s" => \$opt_W,
+        "c=s" => \$opt_c, "critical-age=s" => \$opt_c,
+        "C=s" => \$opt_C, "critical-size=s" => \$opt_C);
 
 if ($opt_V) {
         print_revision($PROGNAME, '@NP_VERSION@');
@@ -91,18 +89,47 @@ unless (-e $opt_f) {
 $st = File::stat::stat($opt_f);
 $age = time - $st->mtime;
 $size = $st->size;
-$perfdata = "age=${age}s;${opt_w};${opt_c} size=${size}B;${opt_W};${opt_C};0";
-
 
 $result = 'OK';
 
-if (($opt_c and $age > $opt_c) or ($opt_C and $size < $opt_C)) {
-        $result = 'CRITICAL';
+if ($opt_c !~ m/^\d+$/ or ($opt_C and $opt_C !~ m/^\d+$/)
+                or $opt_w !~ m/^\d+$/ or ($opt_W and $opt_W !~ m/^\d+$/)) {
+        # range has been specified so use M::P::R to process
+        require Monitoring::Plugin::Range;
+        # use permissive range defaults for size when none specified
+        $opt_W = "0:" unless ($opt_W);
+        $opt_C = "0:" unless ($opt_C);
+
+        if (Monitoring::Plugin::Range->parse_range_string($opt_c)
+                ->check_range($age) == 1) { # 1 means it raises an alert because it's OUTSIDE the range
+                        $result = 'CRITICAL';
+        }
+        elsif (Monitoring::Plugin::Range->parse_range_string($opt_C)
+                ->check_range($size) == 1) {
+                        $result = 'CRITICAL';
+        }
+        elsif (Monitoring::Plugin::Range->parse_range_string($opt_w)
+                ->check_range($age) == 1) {
+                        $result = 'WARNING';
+        }
+        elsif (Monitoring::Plugin::Range->parse_range_string($opt_W)
+                ->check_range($size) == 1) {
+                        $result = 'WARNING';
+        }
 }
-elsif (($opt_w and $age > $opt_w) or ($opt_W and $size < $opt_W)) {
-        $result = 'WARNING';
+else {
+        # use permissive defaults for size when none specified
+        $opt_W = 0 unless ($opt_W);
+        $opt_C = 0 unless ($opt_C);
+        if ($age > $opt_c or $size < $opt_C) {
+                $result = 'CRITICAL';
+        }
+        elsif ($age > $opt_w or $size < $opt_W) {
+                $result = 'WARNING';
+        }
 }
 
+$perfdata = "age=${age}s;${opt_w};${opt_c} size=${size}B;${opt_W};${opt_C};0";
 print "FILE_AGE $result: $opt_f is $age seconds old and $size bytes | $perfdata\n";
 exit $ERRORS{$result};
 
@@ -120,7 +147,15 @@ sub print_help () {
         print "\n";
         print "  -i | --ignore-missing :  return OK if the file does not exist\n";
         print "  <secs>  File must be no more than this many seconds old (default: warn 240 secs, crit 600)\n";
-        print "  <size>  File must be at least this many bytes long (default: crit 0 bytes)\n";
+        print "  <size>  File must be at least this many bytes long (default: file size is ignored (0 bytes))\n\n";
+        print "  Both <secs> and <size> can specify a range using the standard plugin syntax\n";
+        print "  If any of the warning and critical arguments are in range syntax (not just bare numbers)\n";
+        print "  then all warning and critical arguments will be interpreted as ranges.\n";
+        print "  To use range processing the perl module Monitoring::Plugin must be installed\n";
+        print "  For range syntax see https://www.monitoring-plugins.org/doc/guidelines.html#THRESHOLDFORMAT\n";
+        print "  It is strongly recommended when using range syntax that all four of -w, -W, -c and -C are specified\n";
+        print "  otherwise it is unlikely that the size test will be doing what is desired\n";
         print "\n";
         support();
 }
+
diff --git a/plugins-scripts/check_ifoperstatus.pl b/plugins-scripts/check_ifoperstatus.pl
index 9ede163..c190ce9 100755
--- a/plugins-scripts/check_ifoperstatus.pl
+++ b/plugins-scripts/check_ifoperstatus.pl
@@ -124,10 +124,10 @@ if (!defined($session)) {
 ## map ifdescr to ifindex - should look at being able to cache this value
 
 if (defined $ifdescr || defined $iftype) {
-        # escape "/" in ifdescr - very common in the Cisco world
         if (defined $iftype) {
                 $status=fetch_ifindex($snmpIfType, $iftype);
         } else {
+                # escape "/" in ifdescr - very common in the Cisco world
                 $ifdescr =~ s/\//\\\//g;
                 $status=fetch_ifindex($snmpIfDescr, $ifdescr);  # if using on device with large number of interfaces
                                                                 # recommend use of SNMP v2 (get-bulk)
diff --git a/plugins-scripts/check_ircd.pl b/plugins-scripts/check_ircd.pl
index 22d21c2..d869ae7 100755
--- a/plugins-scripts/check_ircd.pl
+++ b/plugins-scripts/check_ircd.pl
@@ -69,7 +69,9 @@ $ENV{'ENV'}='';
 # -----------------------------------------------------------------[ Global ]--
 
 $PROGNAME = "check_ircd";
-my $NICK="ircd$$";
+# nickname shouldn't be longer than 9 chars, this might happen with large PIDs
+# To prevent this, we cut of the part over 10000
+my $NICK="ircd" . $$ % 10000;
 my $USER_INFO="monitor localhost localhost : ";
         
 # -------------------------------------------------------------[ connection ]--
diff --git a/plugins-scripts/check_log.sh b/plugins-scripts/check_log.sh
index d28c8d0..fdb5741 100755
--- a/plugins-scripts/check_log.sh
+++ b/plugins-scripts/check_log.sh
@@ -1,8 +1,7 @@
 #!/bin/sh
 #
 # Log file pattern detector plugin for monitoring
-# Written by Ethan Galstad (nagios@nagios.org)
-# Last Modified: 07-31-1999
+# Written originally by Ethan Galstad (nagios@nagios.org)
 #
 # Usage: ./check_log <log_file> <old_log_file> <pattern>
 #
@@ -44,6 +43,10 @@
 #        check the same <log_file> for pattern matches.  This is necessary
 #        because of the way the script operates.
 #
+#    4.  This plugin does NOT have an understanding of logrotation or similar
+#        mechanisms. Therefore bad timing could lead to missing events
+#
+#
 # Examples:
 #
 # Check for login failures in the syslog...
@@ -60,20 +63,25 @@
 
 PATH="@TRUSTED_PATH@"
 export PATH
-PROGNAME=`basename $0`
-PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
+PROGNAME=$(basename "$0")
+PROGPATH=$(echo "$0" | sed -e 's,[\\/][^\\/][^\\/]*$,,')
 REVISION="@NP_VERSION@"
 
-. $PROGPATH/utils.sh
+. "$PROGPATH"/utils.sh
 
 print_usage() {
     echo "Usage: $PROGNAME -F logfile -O oldlog -q query"
     echo "Usage: $PROGNAME --help"
     echo "Usage: $PROGNAME --version"
+        echo ""
+        echo "Other parameters:"
+        echo "  -a|--all : Print all matching lines"
+        echo "  -p|--perl-regex : Use perl style regular expressions in the query"
+        echo "  -e|--extended-regex : Use extended style regular expressions in the query (not necessary for GNU grep)"
 }
 
 print_help() {
-    print_revision $PROGNAME $REVISION
+    print_revision "$PROGNAME" "$REVISION"
     echo ""
     print_usage
     echo ""
@@ -87,7 +95,7 @@ print_help() {
 
 if [ $# -lt 1 ]; then
     print_usage
-    exit $STATE_UNKNOWN
+    exit "$STATE_UNKNOWN"
 fi
 
 # Grab the command line arguments
@@ -100,79 +108,123 @@ while test -n "$1"; do
     case "$1" in
         --help)
             print_help
-            exit $STATE_OK
+            exit "$STATE_OK"
             ;;
         -h)
             print_help
-            exit $STATE_OK
+            exit "$STATE_OK"
             ;;
         --version)
-            print_revision $PROGNAME $REVISION
-            exit $STATE_OK
+            print_revision "$PROGNAME" "$REVISION"
+            exit "$STATE_OK"
             ;;
         -V)
-            print_revision $PROGNAME $REVISION
-            exit $STATE_OK
+            print_revision "$PROGNAME" "$REVISION"
+            exit "$STATE_OK"
             ;;
         --filename)
             logfile=$2
-            shift
+            shift 2
             ;;
         -F)
             logfile=$2
-            shift
+            shift 2
             ;;
         --oldlog)
             oldlog=$2
-            shift
+            shift 2
             ;;
         -O)
             oldlog=$2
-            shift
+            shift 2
             ;;
         --query)
             query=$2
-            shift
+            shift 2
             ;;
         -q)
             query=$2
-            shift
+            shift 2
             ;;
         -x)
             exitstatus=$2
-            shift
+            shift 2
             ;;
         --exitstatus)
             exitstatus=$2
+            shift 2
+            ;;
+        --extended-regex)
+            ERE=1
+            shift
+            ;;
+        -e)
+            ERE=1
+            shift
+            ;;
+        --perl-regex)
+            PRE=1
+            shift
+            ;;
+        -p)
+            PRE=1
+            shift
+            ;;
+        --all)
+            ALL=1
+            shift
+            ;;
+        -a)
+            ALL=1
             shift
             ;;
         *)
             echo "Unknown argument: $1"
             print_usage
-            exit $STATE_UNKNOWN
+            exit "$STATE_UNKNOWN"
             ;;
     esac
-    shift
 done
 
+# Parameter sanity check
+if [ $ERE ] && [ $PRE ] ; then
+        echo "Can not use extended and perl regex at the same time"
+        exit "$STATE_UNKNOWN"
+fi
+
+GREP="grep"
+
+if [ $ERE ]; then
+        GREP="grep -E"
+fi
+
+if [ $PRE ]; then
+        GREP="grep -P"
+fi
+
 # If the source log file doesn't exist, exit
 
-if [ ! -e $logfile ]; then
+if [ ! -e "$logfile" ]; then
     echo "Log check error: Log file $logfile does not exist!"
-    exit $STATE_UNKNOWN
-elif [ ! -r $logfile ] ; then
+    exit "$STATE_UNKNOWN"
+elif [ ! -r "$logfile" ] ; then
     echo "Log check error: Log file $logfile is not readable!"
-    exit $STATE_UNKNOWN
+    exit "$STATE_UNKNOWN"
+fi
+# If no oldlog was given this can not work properly, abort then
+if [ -z "$oldlog" ]; then
+       echo "Oldlog parameter is needed"
+       exit $STATE_UNKNOWN
 fi
 
 # If the old log file doesn't exist, this must be the first time
 # we're running this test, so copy the original log file over to
 # the old diff file and exit
 
-if [ ! -e $oldlog ]; then
-    cat $logfile > $oldlog
+if [ ! -e "$oldlog" ]; then
+    cat "$logfile" > "$oldlog"
     echo "Log check data initialized..."
-    exit $STATE_OK
+    exit "$STATE_OK"
 fi
 
 # The old log file exists, so compare it to the original log now
@@ -180,31 +232,42 @@ fi
 # The temporary file that the script should use while
 # processing the log file.
 if [ -x /bin/mktemp ]; then
-    tempdiff=`/bin/mktemp /tmp/check_log.XXXXXXXXXX`
+
+    tempdiff=$(/bin/mktemp /tmp/check_log.XXXXXXXXXX)
 else
-    tempdiff=`/bin/date '+%H%M%S'`
+    tempdiff=$(/bin/date '+%H%M%S')
     tempdiff="/tmp/check_log.${tempdiff}"
-    touch $tempdiff
-    chmod 600 $tempdiff
+    touch "$tempdiff"
+    chmod 600 "$tempdiff"
 fi
 
-diff $logfile $oldlog | grep -v "^>" > $tempdiff
+diff "$logfile" "$oldlog" | grep -v "^>" > "$tempdiff"
+
 
-# Count the number of matching log entries we have
-count=`grep -c "$query" $tempdiff`
+if [ $ALL ]; then
+        # Get the last matching entry in the diff file
+        entry=$($GREP "$query" "$tempdiff")
 
-# Get the last matching entry in the diff file
-lastentry=`grep "$query" $tempdiff | tail -1`
+        # Count the number of matching log entries we have
+        count=$(echo "$entry" | wc -l)
+
+else
+        # Count the number of matching log entries we have
+        count=$($GREP -c "$query" "$tempdiff")
+
+        # Get the last matching entry in the diff file
+        entry=$($GREP "$query" "$tempdiff" | tail -1)
+fi
 
-rm -f $tempdiff
-cat $logfile > $oldlog
+rm -f "$tempdiff"
+cat "$logfile" > "$oldlog"
 
 if [ "$count" = "0" ]; then # no matches, exit with no error
     echo "Log check ok - 0 pattern matches found"
     exitstatus=$STATE_OK
-else # Print total matche count and the last entry we found
-    echo "($count) $lastentry"
+else # Print total match count and the last entry we found
+    echo "($count) $entry"
     exitstatus=$STATE_CRITICAL
 fi
 
-exit $exitstatus
+exit "$exitstatus"
diff --git a/plugins-scripts/check_mailq.pl b/plugins-scripts/check_mailq.pl
index 32f498d..3914f4a 100755
--- a/plugins-scripts/check_mailq.pl
+++ b/plugins-scripts/check_mailq.pl
@@ -28,9 +28,9 @@
 use POSIX;
 use strict;
 use Getopt::Long;
-use vars qw($opt_V $opt_h $opt_v $verbose $PROGNAME $opt_w $opt_c $opt_t $opt_s
-                                        $opt_M $mailq $status $state $msg $msg_q $msg_p $opt_W $opt_C $mailq @lines
-                                        %srcdomains %dstdomains);
+use vars qw($opt_V $opt_h $opt_v $verbose $PROGNAME $opt_w $opt_c $opt_t $opt_s $opt_d
+                                        $opt_M $mailq $status $state $msg $msg_q $msg_p $opt_W $opt_C $mailq $mailq_args
+                                        @lines %srcdomains %dstdomains);
 use FindBin;
 use lib "$FindBin::Bin";
 use utils qw(%ERRORS &print_revision &support &usage );
@@ -48,6 +48,8 @@ $PROGNAME = "check_mailq";
 $mailq = 'sendmail';    # default
 $msg_q = 0 ;
 $msg_p = 0 ;
+# If appended, must start with a space
+$mailq_args = '' ;
 $state = $ERRORS{'UNKNOWN'};
 
 Getopt::Long::Configure('bundling');
@@ -68,6 +70,10 @@ if ($opt_s) {
         $sudo = "";
 }
 
+if ($opt_d) {
+        $mailq_args = $mailq_args . ' -C ' . $opt_d;
+}
+
 $SIG{'ALRM'} = sub {
         print ("ERROR: timed out waiting for $utils::PATH_TO_MAILQ \n");
         exit $ERRORS{"WARNING"};
@@ -309,8 +315,8 @@ elsif ( $mailq eq "postfix" ) {
 
      ## open mailq
         if ( defined $utils::PATH_TO_MAILQ && -x $utils::PATH_TO_MAILQ ) {
-                if (! open (MAILQ, "$sudo $utils::PATH_TO_MAILQ | " ) ) {
-                        print "ERROR: could not open $utils::PATH_TO_MAILQ \n";
+                if (! open (MAILQ, "$sudo $utils::PATH_TO_MAILQ$mailq_args | " ) ) {
+                        print "ERROR: could not open $utils::PATH_TO_MAILQ$mailq_args \n";
                         exit $ERRORS{'UNKNOWN'};
                 }
         }elsif( defined $utils::PATH_TO_MAILQ){
@@ -330,7 +336,7 @@ elsif ( $mailq eq "postfix" ) {
         close MAILQ;
 
         if ( $? ) {
-                print "CRITICAL: Error code ".($?>>8)." returned from $utils::PATH_TO_MAILQ",$/;
+                print "CRITICAL: Error code ".($?>>8)." returned from $utils::PATH_TO_MAILQ$mailq_args",$/;
                 exit $ERRORS{CRITICAL};
         }
 
@@ -343,7 +349,7 @@ elsif ( $mailq eq "postfix" ) {
         }elsif ($lines[0]=~/Mail queue is empty/) {
                 $msg_q = 0;
         }else{
-                print "Couldn't match $utils::PATH_TO_MAILQ output\n";
+                print "Couldn't match $utils::PATH_TO_MAILQ$mailq_args output\n";
                 exit   $ERRORS{'UNKNOWN'};
         }
 
@@ -533,7 +539,7 @@ elsif ( $mailq eq "nullmailer" ) {
         while (<MAILQ>) {
             #2006-06-22 16:00:00  282 bytes
 
-            if (/^[1-9][0-9]*-[01][0-9]-[0-3][0-9]\s[0-2][0-9]\:[0-2][0-9]\:[0-2][0-9]\s{2}[0-9]+\sbytes$/) {
+            if (/^[1-9][0-9]*-[01][0-9]-[0-3][0-9]\s[0-2][0-9]\:[0-5][0-9]\:[0-5][0-9]\s+[0-9]+\sbytes/) {
                 $msg_q++ ;
             }
         }
@@ -568,7 +574,10 @@ sub process_arguments(){
                  "w=i" => \$opt_w, "warning=i"  => \$opt_w,   # warning if above this number
                  "c=i" => \$opt_c, "critical=i" => \$opt_c,       # critical if above this number
                  "t=i" => \$opt_t, "timeout=i"  => \$opt_t,
-                 "s"   => \$opt_s, "sudo"       => \$opt_s
+                 "s"   => \$opt_s, "sudo"       => \$opt_s,
+                 "d:s" => \$opt_d, "configdir:s" => \$opt_d,
+                 "W=i" => \$opt_W,                            # warning if above this number
+                 "C=i" => \$opt_C,                            # critical if above this number
                  );
 
         if ($opt_V) {
@@ -649,7 +658,7 @@ sub process_arguments(){
 }
 
 sub print_usage () {
-        print "Usage: $PROGNAME -w <warn> -c <crit> [-W <warn>] [-C <crit>] [-M <MTA>] [-t <timeout>] [-s] [-v]\n";
+        print "Usage: $PROGNAME -w <warn> -c <crit> [-W <warn>] [-C <crit>] [-M <MTA>] [-t <timeout>] [-s] [-d <CONFIGDIR>] [-v]\n";
 }
 
 sub print_help () {
@@ -662,11 +671,12 @@ sub print_help () {
         print "   Feedback/patches to support non-sendmail mailqueue welcome\n\n";
         print "-w (--warning)   = Min. number of messages in queue to generate warning\n";
         print "-c (--critical)  = Min. number of messages in queue to generate critical alert ( w < c )\n";
-        print "-W (--Warning)   = Min. number of messages for same domain in queue to generate warning\n";
-        print "-C (--Critical)  = Min. number of messages for same domain in queue to generate critical alert ( W < C )\n";
+        print "-W               = Min. number of messages for same domain in queue to generate warning\n";
+        print "-C               = Min. number of messages for same domain in queue to generate critical alert ( W < C )\n";
         print "-t (--timeout)   = Plugin timeout in seconds (default = $utils::TIMEOUT)\n";
         print "-M (--mailserver) = [ sendmail | qmail | postfix | exim | nullmailer ] (default = autodetect)\n";
         print "-s (--sudo)      = Use sudo to call the mailq command\n";
+        print "-d (--configdir) = Config file or directory\n";
         print "-h (--help)\n";
         print "-V (--version)\n";
         print "-v (--verbose)   = debugging output\n";
diff --git a/plugins-scripts/check_oracle.sh b/plugins-scripts/check_oracle.sh
index 96078ac..b14ec50 100755
--- a/plugins-scripts/check_oracle.sh
+++ b/plugins-scripts/check_oracle.sh
@@ -8,11 +8,11 @@
 
 PATH="@TRUSTED_PATH@"
 export PATH
-PROGNAME=`basename $0`
-PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
+PROGNAME=$(basename "$0")
+PROGPATH=$(echo "$0" | sed -e 's,[\\/][^\\/][^\\/]*$,,')
 REVISION="@NP_VERSION@"
 
-. $PROGPATH/utils.sh
+. "$PROGPATH"/utils.sh
 
 
 print_usage() {
@@ -29,7 +29,7 @@ print_usage() {
 }
 
 print_help() {
-  print_revision $PROGNAME $REVISION
+  print_revision "$PROGNAME" "$REVISION"
   echo ""
   print_usage
   echo ""
@@ -87,47 +87,47 @@ esac
 case "$cmd" in
 --help)
                 print_help
-    exit $STATE_OK
+    exit "$STATE_OK"
     ;;
 -h)
                 print_help
-    exit $STATE_OK
+    exit "$STATE_OK"
     ;;
 --version)
-                print_revision $PROGNAME $REVISION
-    exit $STATE_OK
+                print_revision "$PROGNAME" "$REVISION"
+    exit "$STATE_OK"
     ;;
 -V)
-                print_revision $PROGNAME $REVISION
-    exit $STATE_OK
+                print_revision "$PROGNAME" "$REVISION"
+    exit "$STATE_OK"
     ;;
 esac
 
 # Hunt down a reasonable ORACLE_HOME
 if [ -z "$ORACLE_HOME" ] ; then
-        # Adjust to taste
-        for oratab in /var/opt/oracle/oratab /etc/oratab
-        do
-        [ ! -f $oratab ] && continue
-        ORACLE_HOME=`IFS=:
-                while read SID ORACLE_HOME junk;
-                do
-                        if [ "$SID" = "$2" -o "$SID" = "*" ] ; then
-                                echo $ORACLE_HOME;
-                                exit;
-                        fi;
-                done < $oratab`
-        [ -n "$ORACLE_HOME" ] && break
-        done
+    # Adjust to taste
+    for oratab in /var/opt/oracle/oratab /etc/oratab
+    do
+    [ ! -f $oratab ] && continue
+    ORACLE_HOME=`IFS=:
+        while read -r SID ORACLE_HOME junk;
+        do
+            if [ "$SID" = "$2" ] || [ "$SID" = "*" ] ; then
+                echo "$ORACLE_HOME";
+                exit;
+            fi;
+        done < $oratab`
+    [ -n "$ORACLE_HOME" ] && break
+    done
 fi
 # Last resort
-[ -z "$ORACLE_HOME" -a -d $PROGPATH/oracle ] && ORACLE_HOME=$PROGPATH/oracle
+[ -z "$ORACLE_HOME" ] && [ -d "$PROGPATH"/oracle ] && ORACLE_HOME=$PROGPATH/oracle
 
 if [ "$cmd" != "--db" ]; then
-        if [ -z "$ORACLE_HOME" -o ! -d "$ORACLE_HOME" ] ; then
-                echo "Cannot determine ORACLE_HOME for sid $2"
-                exit $STATE_UNKNOWN
-        fi
+    if [ -z "$ORACLE_HOME" ] || [ ! -d "$ORACLE_HOME" ] ; then
+        echo "Cannot determine ORACLE_HOME for sid $2"
+        exit "$STATE_UNKNOWN"
+    fi
 fi
 PATH=$PATH:$ORACLE_HOME/bin
 LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$ORACLE_HOME/lib
@@ -135,81 +135,81 @@ export ORACLE_HOME PATH LD_LIBRARY_PATH
 
 case "$cmd" in
 --tns)
-    tnschk=` tnsping $2`
-    tnschk2=` echo  $tnschk | grep -c OK`
-    if [ ${tnschk2} -eq 1 ] ; then 
-        tnschk3=${tnschk##*(}; tnschk3=${tnschk3%)*}
-        echo "OK - reply time ${tnschk3} from $2"
-        exit $STATE_OK
+    tnschk=$(tnsping "$2")
+    tnschk2=$(echo  "$tnschk" | grep -c OK)
+    if [ "${tnschk2}" -eq 1 ] ; then
+        tnschk3=${tnschk##*(}; tnschk3=${tnschk3%)*}
+        echo "OK - reply time ${tnschk3} from $2"
+        exit "$STATE_OK"
     else
-        echo "No TNS Listener on $2"
-        exit $STATE_CRITICAL
+        echo "No TNS Listener on $2"
+        exit "$STATE_CRITICAL"
     fi
     ;;
 --oranames)
-    namesctl status $2 | awk '
+    namesctl status "$2" | awk '
     /Server has been running for:/ {
-        msg = "OK: Up"
-        for (i = 6; i <= NF; i++) {
-            msg = msg " " $i
-        }
-        status = '$STATE_OK'
+    msg = "OK: Up"
+    for (i = 6; i <= NF; i++) {
+        msg = msg " " $i
+    }
+        status = '"$STATE_OK"'
     }
     /error/ {
-        msg = "CRITICAL: " $0
-        status = '$STATE_CRITICAL'
+        msg = "CRITICAL: " $0
+        status = '"$STATE_CRITICAL"'
     }
     END {
-        print msg
-        exit status
+        print msg
+        exit status
     }'
     ;;
 --db)
-    pmonchk=`ps -ef | grep -v grep | grep -E -c "(asm|ora)_pmon_${2}$"`
-    if [ ${pmonchk} -ge 1 ] ; then
-        echo "${2} OK - ${pmonchk} PMON process(es) running"
-        exit $STATE_OK
+    pmonchk=$(pgrep -f "(asm|ora)_pmon_${2}$")
+    if [ "${pmonchk}" -ge 1 ] ; then
+        echo "${2} OK - ${pmonchk} PMON process(es) running"
+        exit "$STATE_OK"
     #if [ -f $ORACLE_HOME/dbs/sga*${2}* ] ; then
-        #if [ ${pmonchk} -eq 1 ] ; then
+         #if [ ${pmonchk} -eq 1 ] ; then
     #utime=`ls -la $ORACLE_HOME/dbs/sga*$2* | cut -c 43-55`
-            #echo "${2} OK - running since ${utime}"
-            #exit $STATE_OK
-        #fi
+            #echo "${2} OK - running since ${utime}"
+            #exit $STATE_OK
+         #fi
     else
-        echo "${2} Database is DOWN"
-        exit $STATE_CRITICAL
+        echo "${2} Database is DOWN"
+        exit "$STATE_CRITICAL"
     fi
     ;;
 --login)
-    loginchk=`sqlplus dummy/user@$2 < /dev/null`
-    loginchk2=` echo  $loginchk | grep -c ORA-01017`
-    if [ ${loginchk2} -eq 1 ] ; then 
-        echo "OK - dummy login connected"
-        exit $STATE_OK
+    loginchk=$(sqlplus dummy/user@"$2" < /dev/null)
+    loginchk2=$(echo "$loginchk" | grep -c ORA-01017)
+    if [ "${loginchk2}" -eq 1 ] ; then
+        echo "OK - dummy login connected"
+        exit "$STATE_OK"
     else
-        loginchk3=` echo "$loginchk" | grep "ORA-" | head -1`
-        echo "CRITICAL - $loginchk3"
-        exit $STATE_CRITICAL
+        loginchk3=$(echo "$loginchk" | grep "ORA-" | head -1)
+        echo "CRITICAL - $loginchk3"
+        exit "$STATE_CRITICAL"
     fi
     ;;
 --connect)
-    connectchk=`sqlplus $2 < /dev/null`
-    connectchk2=` echo  $connectchk | grep -c ORA-`
-    if [ ${connectchk2} -eq 0 ] ; then
-        echo "OK - login successful"
-        exit $STATE_OK
+    connectchk=$(sqlplus "$2" < /dev/null)
+    connectchk2=$(echo "$connectchk" | grep -c ORA-)
+    if [ "${connectchk2}" -eq 0 ] ; then
+        echo "OK - login successful"
+        exit "$STATE_OK"
     else
-        connectchk3=` echo "$connectchk" | grep "ORA-" | head -1`
-        echo "CRITICAL - $connectchk3"
-        exit $STATE_CRITICAL
+        connectchk3=$(echo "$connectchk" | grep "ORA-" | head -1)
+        echo "CRITICAL - $connectchk3"
+        exit "$STATE_CRITICAL"
     fi
     ;;
 --cache)
-    if [ ${5} -gt ${6} ] ; then
-        echo "UNKNOWN - Warning level is less then Crit"
-        exit $STATE_UNKNOWN
+    if [ "${5}" -gt "${6}" ] ; then
+        echo "UNKNOWN - Warning level is less then Crit"
+        exit "$STATE_UNKNOWN"
     fi
-    result=`sqlplus -s ${3}/${4}@${2} << EOF
+    result=`sqlplus -s "${3}"/"${4}"@"${2}" << EOF
 set pagesize 0
 set numf '9999999.99'
 select (1-(pr.value/(dbg.value+cg.value)))*100
@@ -219,48 +219,48 @@ and dbg.name='db block gets'
 and cg.name='consistent gets';
 EOF`
 
-    if [ -n "`echo $result | grep ORA-`" ] ; then
-      error=` echo "$result" | grep "ORA-" | head -1`
-      echo "CRITICAL - $error"
-      exit $STATE_CRITICAL
+    if echo "$result" | grep -q 'ORA-' ; then
+        error=$(echo "$result" | grep "ORA-" | head -1)
+        echo "CRITICAL - $error"
+        exit "$STATE_CRITICAL"
     fi
 
-    buf_hr=`echo "$result" | awk '/^[0-9\. \t]+$/ {print int($1)}'` 
-    buf_hrx=`echo "$result" | awk '/^[0-9\. \t]+$/ {print $1}'` 
-    result=`sqlplus -s ${3}/${4}@${2} << EOF
+    buf_hr=$(echo "$result" | awk '/^[0-9\. \t]+$/ {print int($1)}')
+    buf_hrx=$(echo "$result" | awk '/^[0-9\. \t]+$/ {print $1}')
+    result=`sqlplus -s "${3}"/"${4}"@"${2}" << EOF
 set pagesize 0
 set numf '9999999.99'
 select sum(lc.pins)/(sum(lc.pins)+sum(lc.reloads))*100
 from v\\$librarycache lc;
 EOF`
-        
-    if [ -n "`echo $result | grep ORA-`" ] ; then
-      error=` echo "$result" | grep "ORA-" | head -1`
-      echo "CRITICAL - $error"
-      exit $STATE_CRITICAL
+
+    if echo "$result" | grep -q 'ORA-' ; then
+        error=$(echo "$result" | grep "ORA-" | head -1)
+        echo "CRITICAL - $error"
+        exit "$STATE_CRITICAL"
     fi
 
-    lib_hr=`echo "$result" | awk '/^[0-9\. \t]+$/ {print int($1)}'`
-    lib_hrx=`echo "$result" | awk '/^[0-9\. \t]+$/ {print $1}'`
+    lib_hr=$(echo "$result" | awk '/^[0-9\. \t]+$/ {print int($1)}')
+    lib_hrx=$(echo "$result" | awk '/^[0-9\. \t]+$/ {print $1}')
 
-    if [ $buf_hr -le ${5} -o $lib_hr -le ${5} ] ; then
-        echo "${2} CRITICAL - Cache Hit Rates: $lib_hrx% Lib -- $buf_hrx% Buff|lib=$lib_hrx%;${6};${5};0;100 buffer=$buf_hrx%;${6};${5};0;100"
-        exit $STATE_CRITICAL
+    if [ "$buf_hr" -le "${5}" ] || [ "$lib_hr" -le "${5}" ] ; then
+        echo "${2} CRITICAL - Cache Hit Rates: $lib_hrx% Lib -- $buf_hrx% Buff|lib=$lib_hrx%;${6};${5};0;100 buffer=$buf_hrx%;${6};${5};0;100"
+        exit "$STATE_CRITICAL"
     fi
-    if [ $buf_hr -le ${6} -o $lib_hr -le ${6} ] ; then
-        echo "${2} WARNING  - Cache Hit Rates: $lib_hrx% Lib -- $buf_hrx% Buff|lib=$lib_hrx%;${6};${5};0;100 buffer=$buf_hrx%;${6};${5};0;100"
-        exit $STATE_WARNING
+    if [ "$buf_hr" -le "${6}" ] || [ "$lib_hr" -le "${6}" ] ; then
+        echo "${2} WARNING  - Cache Hit Rates: $lib_hrx% Lib -- $buf_hrx% Buff|lib=$lib_hrx%;${6};${5};0;100 buffer=$buf_hrx%;${6};${5};0;100"
+        exit "$STATE_WARNING"
     fi
     echo "${2} OK - Cache Hit Rates: $lib_hrx% Lib -- $buf_hrx% Buff|lib=$lib_hrx%;${6};${5};0;100 buffer=$buf_hrx%;${6};${5};0;100"
 
-    exit $STATE_OK
+    exit "$STATE_OK"
     ;;
 --tablespace)
-    if [ ${6} -lt ${7} ] ; then
-        echo "UNKNOWN - Warning level is more then Crit"
-        exit $STATE_UNKNOWN
+    if [ "${6}" -lt "${7}" ] ; then
+        echo "UNKNOWN - Warning level is more then Crit"
+        exit "$STATE_UNKNOWN"
     fi
-    result=`sqlplus -s ${3}/${4}@${2} << EOF
+    result=`sqlplus -s "${3}"/"${4}"@"${2}" << EOF
 set pagesize 0
 set numf '9999999.99'
 select NVL(b.free,0.0),a.total,100 - trunc(NVL(b.free,0.0)/a.total * 1000) / 10 prc
@@ -273,32 +273,32 @@ from dba_free_space group by tablespace_name) B
 ON a.tablespace_name=b.tablespace_name WHERE a.tablespace_name='${5}';
 EOF`
 
-    if [ -n "`echo $result | grep ORA-`" ] ; then
-      error=` echo "$result" | grep "ORA-" | head -1`
-      echo "CRITICAL - $error"
-      exit $STATE_CRITICAL
+    if echo "$result" | grep -q 'ORA-' ; then
+        error=$(echo "$result" | grep "ORA-" | head -1)
+        echo "CRITICAL - $error"
+        exit "$STATE_CRITICAL"
     fi
 
-    ts_free=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($1)}'` 
-    ts_total=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($2)}'` 
-    ts_pct=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($3)}'` 
-    ts_pctx=`echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print $3}'` 
-    if [ "$ts_free" -eq 0 -a "$ts_total" -eq 0 -a "$ts_pct" -eq 0 ] ; then
+    ts_free=$(echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($1)}')
+    ts_total=$(echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($2)}')
+    ts_pct=$(echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print int($3)}')
+    ts_pctx=$(echo "$result" | awk '/^[ 0-9\.\t ]+$/ {print $3}')
+    if [ "$ts_free" -eq 0 ] && [ "$ts_total" -eq 0 ] && [ "$ts_pct" -eq 0 ] ; then
         echo "No data returned by Oracle - tablespace $5 not found?"
-        exit $STATE_UNKNOWN
+        exit "$STATE_UNKNOWN"
     fi
-    if [ "$ts_pct" -ge ${6} ] ; then
-        echo "${2} : ${5} CRITICAL - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
-        exit $STATE_CRITICAL
+    if [ "$ts_pct" -ge "${6}" ] ; then
+        echo "${2} : ${5} CRITICAL - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
+        exit "$STATE_CRITICAL"
     fi
-    if [ "$ts_pct" -ge ${7} ] ; then
-        echo "${2} : ${5} WARNING  - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
-        exit $STATE_WARNING
+    if [ "$ts_pct" -ge "${7}" ] ; then
+        echo "${2} : ${5} WARNING  - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
+        exit "$STATE_WARNING"
     fi
     echo "${2} : ${5} OK - $ts_pctx% used [ $ts_free / $ts_total MB available ]|${5}=$ts_pctx%;${7};${6};0;100"
-    exit $STATE_OK
+    exit "$STATE_OK"
     ;;
 *)
     print_usage
-                exit $STATE_UNKNOWN
+                exit "$STATE_UNKNOWN"
 esac
diff --git a/plugins-scripts/check_sensors.sh b/plugins-scripts/check_sensors.sh
index f742830..ab4e726 100755
--- a/plugins-scripts/check_sensors.sh
+++ b/plugins-scripts/check_sensors.sh
@@ -2,57 +2,57 @@
 
 PATH="@TRUSTED_PATH@"
 export PATH
-PROGNAME=`basename $0`
-PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
+PROGNAME=$(basename "$0")
+PROGPATH=$(echo "$0" | sed -e 's,[\\/][^\\/][^\\/]*$,,')
 REVISION="@NP_VERSION@"
 
-. $PROGPATH/utils.sh
+. "$PROGPATH"/utils.sh
 
 print_usage() {
         echo "Usage: $PROGNAME" [--ignore-fault]
 }
 
 print_help() {
-        print_revision $PROGNAME $REVISION
+        print_revision "$PROGNAME" "$REVISION"
         echo ""
         print_usage
         echo ""
         echo "This plugin checks hardware status using the lm_sensors package."
         echo ""
         support
-        exit $STATE_OK
+        exit "$STATE_OK"
 }
 
 case "$1" in
         --help)
                 print_help
-                exit $STATE_OK
+                exit "$STATE_OK"
                 ;;
         -h)
                 print_help
-                exit $STATE_OK
+                exit "$STATE_OK"
                 ;;
         --version)
-                print_revision $PROGNAME $REVISION
-                exit $STATE_OK
+                print_revision "$PROGNAME" "$REVISION"
+                exit "$STATE_OK"
                 ;;
         -V)
-                print_revision $PROGNAME $REVISION
-                exit $STATE_OK
+                print_revision "$PROGNAME" "$REVISION"
+                exit "$STATE_OK"
                 ;;
         *)
-                sensordata=`sensors 2>&1`
+                sensordata=$(sensors 2>&1)
                 status=$?
                 if test ${status} -eq 127; then
                         text="SENSORS UNKNOWN - command not found (did you install lmsensors?)"
                         exit=$STATE_UNKNOWN
-                elif test ${status} -ne 0; then
+                elif test "${status}" -ne 0; then
                         text="WARNING - sensors returned state $status"
                         exit=$STATE_WARNING
-                elif echo ${sensordata} | egrep ALARM > /dev/null; then
+                elif echo "${sensordata}" | egrep ALARM > /dev/null; then
                         text="SENSOR CRITICAL - Sensor alarm detected!"
                         exit=$STATE_CRITICAL
-                elif echo ${sensordata} | egrep FAULT > /dev/null \
+                elif echo "${sensordata}" | egrep FAULT > /dev/null \
                     && test "$1" != "-i" -a "$1" != "--ignore-fault"; then
                         text="SENSOR UNKNOWN - Sensor reported fault"
                         exit=$STATE_UNKNOWN
@@ -63,8 +63,8 @@ case "$1" in
 
                 echo "$text"
                 if test "$1" = "-v" -o "$1" = "--verbose"; then
-                        echo ${sensordata}
+                        echo "${sensordata}"
                 fi
-                exit $exit
+                exit "$exit"
                 ;;
 esac
diff --git a/plugins-scripts/check_uptime.pl b/plugins-scripts/check_uptime.pl
new file mode 100755
index 0000000..4c9f22d
--- /dev/null
+++ b/plugins-scripts/check_uptime.pl
@@ -0,0 +1,315 @@
+#!@PERL@ -w
+
+# check_uptime - check uptime to see how long the system is running.
+#
+
+# License Information:
+# 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
+# USA
+#
+############################################################################
+
+use POSIX;
+use strict;
+use Getopt::Long;
+use vars qw($opt_V $opt_h $opt_v $verbose $PROGNAME $opt_w $opt_c
+                                        $opt_f $opt_s
+                                        $lower_warn_threshold $upper_warn_threshold
+                                        $lower_crit_threshold $upper_crit_threshold
+                                        $status $state $msg);
+use FindBin;
+use lib "$FindBin::Bin";
+use utils qw(%ERRORS &print_revision &support &usage );
+
+sub print_help ();
+sub print_usage ();
+sub process_arguments ();
+
+$ENV{'PATH'}='@TRUSTED_PATH@';
+$ENV{'BASH_ENV'}=''; 
+$ENV{'ENV'}='';
+$PROGNAME = "check_uptime";
+$state = $ERRORS{'UNKNOWN'};
+
+my $uptime_file = "/proc/uptime";
+
+
+# Process arguments
+
+Getopt::Long::Configure('bundling');
+$status = process_arguments();
+if ($status){
+        print "ERROR: processing arguments\n";
+        exit $ERRORS{"UNKNOWN"};
+}
+
+
+# Get uptime info from file
+
+if ( ! -r $uptime_file ) {
+        print "ERROR: file '$uptime_file' is not readable\n";
+        exit $ERRORS{"UNKNOWN"};
+}
+
+if ( ! open FILE, "<", $uptime_file ) {
+        print "ERROR: cannot read from file '$uptime_file'\n";
+        exit $ERRORS{"UNKNOWN"};
+}
+
+chomp( my $file_content = <FILE> );
+close FILE;
+
+print "$uptime_file: $file_content\n" if $verbose;
+
+# Get first digit value (without fraction)
+my ( $uptime_seconds ) = $file_content =~ /^([\d]+)/;
+
+# Bail out if value is not numeric
+if ( $uptime_seconds !~ /^\d+$/ ) {
+        print "ERROR: no numeric value: $uptime_seconds\n";
+        exit $ERRORS{"UNKNOWN"};
+}
+
+
+# Do calculations for a "pretty" format (2 weeks, 5 days, ...)
+
+my ( $secs, $mins, $hours, $days, $weeks );
+$secs = $uptime_seconds;
+$mins = $hours = $days = $weeks = 0;
+if ( $secs > 100 ) {
+        $mins = int( $secs / 60 );
+        $secs -= $mins * 60;
+}
+if ( $mins > 100 ) {
+        $hours = int( $mins / 60 );
+        $mins -= $hours * 60;
+}
+if ( $hours > 48 ) {
+        $days = int( $hours / 24 );
+        $hours -= $days * 24;
+}
+if ( $days > 14 ) {
+        $weeks = int( $days / 7 );
+        $days -= $weeks * 7;
+}
+
+my $pretty_uptime = "";
+$pretty_uptime .= sprintf( "%d week%s, ",   $weeks, $weeks == 1 ? "" : "s" )  if  $weeks;
+$pretty_uptime .= sprintf( "%d day%s, ",    $days,  $days  == 1 ? "" : "s" )  if  $days;
+$pretty_uptime .= sprintf( "%d hour%s, ",   $hours, $hours == 1 ? "" : "s" )  if  $hours;
+$pretty_uptime .= sprintf( "%d minute%s, ", $mins,  $mins  == 1 ? "" : "s" )  if  $mins;
+# Replace last occurence of comma with "and"
+$pretty_uptime =~ s/, $/ and /;
+# Always print the seconds (though it may be 0 seconds)
+$pretty_uptime .= sprintf( "%d second%s", $secs, $secs == 1 ? "" : "s" );
+
+
+# Default to catch errors in program
+my $state_str = "UNKNOWN";
+
+# Check values
+my $out_of_bounds_text = "";
+if ( $uptime_seconds > $upper_crit_threshold ) {
+        $state_str = "CRITICAL";
+        $out_of_bounds_text = "upper crit";
+} elsif ( $uptime_seconds < $lower_crit_threshold ) {
+        $state_str = "CRITICAL";
+        $out_of_bounds_text = "lower crit";
+} elsif ( $uptime_seconds > $upper_warn_threshold ) {
+        $state_str = "WARNING";
+        $out_of_bounds_text = "upper warn";
+} elsif ( $uptime_seconds < $lower_warn_threshold ) {
+        $state_str = "WARNING";
+        $out_of_bounds_text = "lower warn";
+} else {
+        $state_str = "OK";
+}
+
+$msg = "$state_str: ";
+
+$msg .= "uptime is $uptime_seconds seconds. ";
+$msg .= "Exceeds $out_of_bounds_text threshold. "  if  $out_of_bounds_text;
+$msg .= "Running for $pretty_uptime. "  if  $opt_f;
+if ( $opt_s ) {
+        my $up_since = strftime( "%Y-%m-%d %H:%M:%S", localtime( time - $uptime_seconds ) );
+        $msg .= "Running since $up_since. ";
+}
+
+$state = $ERRORS{$state_str};
+
+# Perfdata support
+print "$msg|uptime=${uptime_seconds}s;$upper_warn_threshold;$upper_crit_threshold;0\n";
+exit $state;
+
+
+#####################################
+#### subs
+
+
+sub process_arguments(){
+        GetOptions
+                ("V"   => \$opt_V, "version"    => \$opt_V,
+                 "v"   => \$opt_v, "verbose"    => \$opt_v,
+                 "h"   => \$opt_h, "help"               => \$opt_h,
+                 "w=s" => \$opt_w, "warning=s"  => \$opt_w,   # warning if above this number
+                 "c=s" => \$opt_c, "critical=s" => \$opt_c,       # critical if above this number
+                 "f"   => \$opt_f, "for"        => \$opt_f,       # show "running for ..."
+                 "s"   => \$opt_s, "since"      => \$opt_s,       # show "running since ..."
+                 );
+
+        if ($opt_V) {
+                print_revision($PROGNAME,'@NP_VERSION@');
+                exit $ERRORS{'UNKNOWN'};
+        }
+
+        if ($opt_h) {
+                print_help();
+                exit $ERRORS{'UNKNOWN'};
+        }
+
+        if (defined $opt_v) {
+                $verbose = $opt_v;
+        }
+
+        unless ( defined $opt_w && defined $opt_c ) {
+                print_usage();
+                exit $ERRORS{'UNKNOWN'};
+        }
+
+    # Check if a range was supplied ("lowvalue:highvalue") for warning and critical
+    # Otherwise, set 0 as the lower threshold and the parameter value as upper threshold
+    # (the uptime should always be positive, so there should be no issue)
+    if ( $opt_w =~ /^(.+):(.+)$/ ) {
+        $lower_warn_threshold = $1;
+        $upper_warn_threshold = $2;
+    } else {
+        $lower_warn_threshold = 0;
+        $upper_warn_threshold = $opt_w;
+    }
+    if ( $opt_c =~ /^(.+):(.+)$/ ) {
+        $lower_crit_threshold = $1;
+        $upper_crit_threshold = $2;
+    } else {
+        $lower_crit_threshold = 0;
+        $upper_crit_threshold = $opt_c;
+    }
+
+        # Set as seconds (calculate if suffix present)
+    $lower_warn_threshold = calc_as_seconds( $lower_warn_threshold );
+    $lower_crit_threshold = calc_as_seconds( $lower_crit_threshold );
+    $upper_warn_threshold = calc_as_seconds( $upper_warn_threshold );
+    $upper_crit_threshold = calc_as_seconds( $upper_crit_threshold );
+
+    # Check for numeric value of warning parameter
+        if ( $lower_warn_threshold !~ /^\d+$/ ) {
+                print "Lower warning (-w) is not numeric\n";
+                exit $ERRORS{'UNKNOWN'};
+        }
+        if ( $upper_warn_threshold !~ /^\d+$/ ) {
+                print "Upper warning (-w) is not numeric\n";
+                exit $ERRORS{'UNKNOWN'};
+        }
+    # Check for numeric value of critical parameter
+        if ( $lower_crit_threshold !~ /^\d+$/ ) {
+                print "Lower critical (-c) is not numeric\n";
+                exit $ERRORS{'UNKNOWN'};
+        }
+        if ( $upper_crit_threshold !~ /^\d+$/ ) {
+                print "Upper critical (-c) is not numeric\n";
+                exit $ERRORS{'UNKNOWN'};
+        }
+
+    # Check boundaries
+        if ( $upper_warn_threshold >= $upper_crit_threshold ) {
+                print "Upper Warning (-w) cannot be greater than Critical (-c)!\n";
+                exit $ERRORS{'UNKNOWN'};
+        }
+        # No "<=" since both values are zero if no range (only upper threshold values) is given
+        if ( $lower_warn_threshold < $lower_crit_threshold ) {
+                print "Lower Warning (-w) cannot be less than Critical (-c)!\n";
+                exit $ERRORS{'UNKNOWN'};
+        }
+
+        return $ERRORS{'OK'};
+}
+
+sub print_usage () {
+        print "Usage: $PROGNAME -w <warn> -c <crit> [-v]\n";
+}
+
+sub print_help () {
+        print_revision($PROGNAME,'@NP_VERSION@');
+        print "Copyright (c) 2002 Subhendu Ghosh/Carlos Canau/Benjamin Schmid\n";
+        print "Copyright (c) 2018 Bernd Arnold\n";
+        print "\n";
+        print_usage();
+        print "\n";
+        print "   Checks the uptime of the system using $uptime_file\n";
+        print "\n";
+        print "-w (--warning)   = Min. number of uptime to generate warning\n";
+        print "-c (--critical)  = Min. number of uptime to generate critical alert ( w < c )\n";
+        print "-f (--for)       = Show uptime in a pretty format (Running for x weeks, x days, ...)\n";
+        print "-s (--since)     = Show last boot in yyyy-mm-dd HH:MM:SS format (output from 'uptime -s')\n";
+        print "-h (--help)\n";
+        print "-V (--version)\n";
+        print "-v (--verbose)   = debugging output\n";
+        print "\n\n";
+        print "Note: -w and -c are required arguments.\n";
+        print "      You can suffix both values with s for seconds (default), m (minutes), h (hours), d (days) or w (weeks).\n";
+        print "\n";
+        print "Range support: You may specify a range for both warning and critical thresholds.\n";
+        print "               This works without additional Perl modules.\n";
+        print "Example: ./check_uptime -w 10m:4w -c 1m:8w\n";
+        print "         Results in a critical state when uptime is below 60 seconds or higher than 8 weeks,\n";
+        print "         and in a warning state when uptime is below 10 minutes or above 4 weeks.\n";
+        print "\n\n";
+        support();
+}
+
+sub calc_as_seconds () {
+
+    my $parameter = shift;
+
+        # Check if suffix is present
+        # Calculate parameter to seconds (to get an integer value finally)
+        # If no suffix is present, just return the value
+
+        # Possible suffixes:
+        # s = seconds
+        # m = minutes
+        # h = hours
+        # d = days
+        # w = weeks
+        my %factor = ( "s" => 1,
+                       "m" => 60,
+                       "h" => 60 * 60,
+                       "d" => 60 * 60 * 24,
+                       "w" => 60 * 60 * 24 * 7,
+                     );
+
+        if ( $parameter =~ /^(\d+)([a-z])$/ ) {
+                my $value = $1;
+                my $suffix = $2;
+                print "detected: value=$value, suffix=$suffix\n" if $verbose;
+                if ( ! defined $factor{$suffix} ) {
+                        print "Error: wrong suffix ($suffix) for value '$parameter'";
+                        exit $ERRORS{'UNKNOWN'};
+                }
+                $parameter = $value * $factor{$suffix};
+        }
+
+    return $parameter;
+
+}
diff --git a/plugins-scripts/t/check_file_age.t b/plugins-scripts/t/check_file_age.t
index 50a2e69..8b87670 100644
--- a/plugins-scripts/t/check_file_age.t
+++ b/plugins-scripts/t/check_file_age.t
@@ -5,14 +5,14 @@
 #
 
 use strict;
-use Test::More tests => 17;
+use Test::More tests => 27;
 use NPTest;
 
 my $successOutput = '/^FILE_AGE OK: /';
 my $warningOutput = '/^FILE_AGE WARNING: /';
 my $criticalOutput = '/^FILE_AGE CRITICAL: /';
 my $unknownOutput = '/^FILE_AGE UNKNOWN: /';
-my $performanceOutput = '/ \| age=[0-9]+s;[0-9]+;[0-9]+ size=[0-9]+B;[0-9]+;[0-9]+;0$/';
+my $performanceOutput = '/ \| age=[0-9]+s;[0-9:]+;[0-9:]+ size=[0-9]+B;[0-9:]+;[0-9:]+;0$/';
 
 my $result;
 my $temp_file = "/tmp/check_file_age.tmp";
@@ -20,64 +20,75 @@ my $temp_link = "/tmp/check_file_age.link.tmp";
 
 unlink $temp_file, $temp_link;
 
-$result = NPTest->testCmd(
-        "./check_file_age"
-        );
+$result = NPTest->testCmd("./check_file_age");
 cmp_ok( $result->return_code, '==', 3, "Missing parameters" );
 like  ( $result->output, $unknownOutput, "Output for unknown correct" );
 
-$result = NPTest->testCmd(
-        "./check_file_age -f $temp_file"
-        );
+$result = NPTest->testCmd("./check_file_age -f $temp_file");
 cmp_ok( $result->return_code, '==', 2, "File not exists" );
 like  ( $result->output, $criticalOutput, "Output for file missing correct" );
 
 write_chars(100);
-$result = NPTest->testCmd(
-        "./check_file_age -f $temp_file"
-        );
+$result = NPTest->testCmd("./check_file_age -f $temp_file");
 cmp_ok( $result->return_code, '==', 0, "File is new enough" );
 like  ( $result->output, $successOutput, "Output for success correct" );
 
 sleep 2;
 
-$result = NPTest->testCmd(
-        "./check_file_age -f $temp_file -w 1"
-        );
+$result = NPTest->testCmd("./check_file_age -f $temp_file -w 1");
 cmp_ok( $result->return_code, '==', 1, "Warning for file over 1 second old" );
 like  ( $result->output, $warningOutput, "Output for warning correct" );
 
-$result = NPTest->testCmd(
-        "./check_file_age -f $temp_file -c 1"
-        );
+$result = NPTest->testCmd("./check_file_age -f $temp_file -c 1");
 cmp_ok( $result->return_code, '==', 2, "Critical for file over 1 second old" );
 like  ( $result->output, $criticalOutput, "Output for critical correct" );
 
-$result = NPTest->testCmd(
-        "./check_file_age -f $temp_file -c 1000 -W 100"
-        );
+$result = NPTest->testCmd("./check_file_age -f $temp_file -c 1000 -W 100");
 cmp_ok( $result->return_code, '==', 0, "Checking file size" );
 
-$result = NPTest->testCmd(
-        "./check_file_age -f $temp_file -c 1000 -W 100"
-        );
+$result = NPTest->testCmd("./check_file_age -f $temp_file -c 1000 -W 100");
 like( $result->output, $performanceOutput, "Checking for performance Output" );
 
-$result = NPTest->testCmd(
-        "./check_file_age -f /non/existent --ignore-missing"
-        );
+$result = NPTest->testCmd("./check_file_age -f $temp_file -c 1000 -W 100");
+like( $result->output, $performanceOutput, "Checking for performance Output from range" );
+
+$result = NPTest->testCmd("./check_file_age -f /non/existent --ignore-missing");
 cmp_ok( $result->return_code, '==', 0, "Honours --ignore-missing" );
 
-$result = NPTest->testCmd(
-        "./check_file_age -f $temp_file -c 1000 -W 101"
-        );
+$result = NPTest->testCmd("./check_file_age -f $temp_file -c 1000 -W 101");
 cmp_ok( $result->return_code, '==', 1, "One byte too short" );
 
-$result = NPTest->testCmd(
-        "./check_file_age -f $temp_file -c 1000 -C 101"
-        );
+$result = NPTest->testCmd("./check_file_age -f $temp_file -c 1000 -C 101");
 cmp_ok( $result->return_code, '==', 2, "One byte too short - critical" );
 
+SKIP: {
+    eval 'use Monitoring::Plugin::Range';
+    skip "Monitoring::Plugin::Range module require", 9 if $@;
+
+    $result = NPTest->testCmd("./check_file_age -f $temp_file -w 0:1");
+    cmp_ok( $result->return_code, '==', 1, "Warning for file over 1 second old by range" );
+    like  ( $result->output, $warningOutput, "Output for warning by range correct" );
+
+    $result = NPTest->testCmd("./check_file_age -f $temp_file -c 0:1");
+    cmp_ok( $result->return_code, '==', 2, "Critical for file over 1 second old by range" );
+    like  ( $result->output, $criticalOutput, "Output for critical by range correct" );
+
+    $result = NPTest->testCmd("./check_file_age -f $temp_file -c 0:1000 -W 0:100");
+    cmp_ok( $result->return_code, '==', 0, "Checking file size by range" );
+
+    $result = NPTest->testCmd("./check_file_age -f $temp_file -c 1000 -W 101:");
+    cmp_ok( $result->return_code, '==', 1, "One byte too short by range" );
+
+    $result = NPTest->testCmd("./check_file_age -f $temp_file -c 1000 -W 0:99");
+    cmp_ok( $result->return_code, '==', 1, "One byte too long by range" );
+
+    $result = NPTest->testCmd("./check_file_age -f $temp_file -c 1000 -C 101:");
+    cmp_ok( $result->return_code, '==', 2, "One byte too short by range - critical" );
+
+    $result = NPTest->testCmd("./check_file_age -f $temp_file -c 1000 -C 0:99");
+    cmp_ok( $result->return_code, '==', 2, "One byte too long by range - critical" );
+};
+
 symlink $temp_file, $temp_link or die "Cannot create symlink";
 $result = NPTest->testCmd("./check_file_age -f $temp_link -c 10");
 cmp_ok( $result->return_code, '==', 0, "Works for symlinks" );
diff --git a/plugins-scripts/t/check_uptime.t b/plugins-scripts/t/check_uptime.t
new file mode 100644
index 0000000..c395307
--- /dev/null
+++ b/plugins-scripts/t/check_uptime.t
@@ -0,0 +1,129 @@
+#!/usr/bin/perl -w -I ..
+#
+# check_uptime tests
+#
+#
+
+use strict;
+use Test::More tests => 40;
+use NPTest;
+
+my $result;
+
+$result = NPTest->testCmd(
+        "./check_uptime"
+        );
+cmp_ok( $result->return_code, '==', 3, "Missing parameters" );
+like  ( $result->output, '/^Usage: check_uptime -w/', "Output for missing parameters correct" );
+
+$result = NPTest->testCmd(
+        "./check_uptime --help"
+        );
+cmp_ok( $result->return_code, '==', 3, "Help output requested" );
+like  ( $result->output, '/ABSOLUTELY NO WARRANTY/', "Output for help correct" );
+
+$result = NPTest->testCmd(
+        "./check_uptime -w 5 -c 2"
+        );
+cmp_ok( $result->return_code, '==', 3, "Warning greater than critical" );
+like  ( $result->output, '/^Upper Warning .*cannot be greater than Critical/', "Output for warning greater than critical correct" );
+
+$result = NPTest->testCmd(
+        "./check_uptime -c 1000 -W 100 2>&1"
+        );
+like  ( $result->output, '/^Unknown option: W/', "Output with wrong parameter is correct" );
+
+$result = NPTest->testCmd(
+        "./check_uptime -f -w 1 -c 2"
+        );
+cmp_ok( $result->return_code, '==', 2, "Uptime higher than 2 seconds" );
+like  ( $result->output, '/Running for \d+/', "Output for the f parameter correct" );
+
+$result = NPTest->testCmd(
+        "./check_uptime -s -w 1 -c 2"
+        );
+cmp_ok( $result->return_code, '==', 2, "Uptime higher than 2 seconds" );
+like  ( $result->output, '/Running since \d+/', "Output for the s parameter correct" );
+
+$result = NPTest->testCmd(
+        "./check_uptime -w 1 -c 2"
+        );
+cmp_ok( $result->return_code, '==', 2, "Uptime higher than 2 seconds" );
+like  ( $result->output, '/^CRITICAL: uptime is \d+ seconds/', "Output for uptime higher than 2 seconds correct" );
+
+$result = NPTest->testCmd(
+        "./check_uptime -w 1 -c 9999w"
+        );
+cmp_ok( $result->return_code, '==', 1, "Uptime lower than 9999 weeks" );
+like  ( $result->output, '/^WARNING: uptime is \d+ seconds/', "Output for uptime lower than 9999 weeks correct" );
+
+$result = NPTest->testCmd(
+        "./check_uptime -w 9998w -c 9999w"
+        );
+cmp_ok( $result->return_code, '==', 0, "Uptime lower than 9998 weeks" );
+like  ( $result->output, '/^OK: uptime is \d+ seconds/', "Output for uptime lower than 9998 weeks correct" );
+like  ( $result->output, '/\|uptime=[0-9]+s;6046790400;6047395200;/', "Checking for performance output" );
+
+$result = NPTest->testCmd(
+        "./check_uptime -w 111222d -c 222333d"
+        );
+cmp_ok( $result->return_code, '==', 0, "Uptime lower than 111222 days" );
+like  ( $result->output, '/^OK: uptime is \d+ seconds/', "Output for uptime lower than 111222 days correct" );
+like  ( $result->output, '/\|uptime=[0-9]+s;9609580800;19209571200;/', "Checking for performance output" );
+
+# Same as before, hopefully uptime is higher than 2 seconds so no warning
+$result = NPTest->testCmd(
+        "./check_uptime -w 2:111222d -c 1:222333d"
+        );
+cmp_ok( $result->return_code, '==', 0, "Uptime lower than 111222 days, and higher 2 seconds" );
+like  ( $result->output, '/^OK: uptime is \d+ seconds/', "Output for uptime lower than 111222 days, and higher 2 seconds correct" );
+like  ( $result->output, '/\|uptime=[0-9]+s;9609580800;19209571200;/', "Checking for performance output" );
+
+# Same as before, now the low warning should trigger
+$result = NPTest->testCmd(
+        "./check_uptime -w 111221d:111222d -c 1:222333d"
+        );
+cmp_ok( $result->return_code, '==', 1, "Uptime lower than 111221 days raises warning" );
+like  ( $result->output, '/^WARNING: uptime is \d+ seconds/', "Output for uptime lower than 111221 days correct" );
+like  ( $result->output, '/Exceeds lower warn threshold/', "Exceeds text correct" );
+like  ( $result->output, '/\|uptime=[0-9]+s;9609580800;19209571200;/', "Checking for performance output" );
+
+# Same as before, now the low critical should trigger
+$result = NPTest->testCmd(
+        "./check_uptime -w 111221d:111222d -c 111220d:222333d"
+        );
+cmp_ok( $result->return_code, '==', 2, "Uptime lower than 111220 days raises critical" );
+like  ( $result->output, '/^CRITICAL: uptime is \d+ seconds/', "Output for uptime lower than 111220 days correct" );
+like  ( $result->output, '/Exceeds lower crit threshold/', "Exceeds text correct" );
+like  ( $result->output, '/\|uptime=[0-9]+s;9609580800;19209571200;/', "Checking for performance output" );
+
+
+#
+# Range values using ":" without two parts ("a:b") is invalid
+# Strings without two parts are always considered as upper threshold
+#
+
+$result = NPTest->testCmd(
+        "./check_uptime -w 2: -c 1:4"
+        );
+cmp_ok( $result->return_code, '==', 3, "Wrong parameter format raises unknown" );
+like  ( $result->output, '/^Upper warning .* is not numeric/', "Output for wrong parameter format correct" );
+
+$result = NPTest->testCmd(
+        "./check_uptime -w 2:3 -c 1:"
+        );
+cmp_ok( $result->return_code, '==', 3, "Wrong parameter format raises unknown" );
+like  ( $result->output, '/^Upper critical .* is not numeric/', "Output for wrong parameter format correct" );
+
+$result = NPTest->testCmd(
+        "./check_uptime -w :3 -c 1:4"
+        );
+cmp_ok( $result->return_code, '==', 3, "Wrong parameter format raises unknown" );
+like  ( $result->output, '/^Upper warning .* is not numeric/', "Output for wrong parameter format correct" );
+
+$result = NPTest->testCmd(
+        "./check_uptime -w 2:3 -c :4"
+        );
+cmp_ok( $result->return_code, '==', 3, "Wrong parameter format raises unknown" );
+like  ( $result->output, '/^Upper critical .* is not numeric/', "Output for wrong parameter format correct" );
+
diff --git a/plugins-scripts/t/utils.t b/plugins-scripts/t/utils.t
index 9c2c569..5c23179 100644
--- a/plugins-scripts/t/utils.t
+++ b/plugins-scripts/t/utils.t
@@ -10,6 +10,7 @@ use strict;
 use Test::More;
 use NPTest;
 
+use lib ".";
 use lib "..";
 use utils;