[monitoring-plugins] Replace "plugins-scripts/subst.in" foo

Holger Weiss git at monitoring-plugins.org
Fri Feb 28 13:30:08 CET 2014
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 Module: monitoring-plugins
 Branch: master
 Commit: c08d6a429ba0e0cd3642ba2c2fe85687472ee22f
 Author: Holger Weiss <holger at zedat.fu-berlin.de>
   Date: Fri Feb 28 13:28:33 2014 +0100
    URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=c08d6a4

Replace "plugins-scripts/subst.in" foo

Remove the buggy and complex awk(1) magic in "plugins-scripts/subst.in"
in favor of simple sed(1) substitutions.

The plugins in the "plugins-scripts" directory now always use the PATH
specified via "./configure --trusted-path", or the default PATH
hard-coded in "configure.ac".

Fixes #1242.

---

 NEWS                                  |  2 ++
 configure.ac                          |  5 ++--
 plugins-scripts/Makefile.am           |  9 ++++--
 plugins-scripts/check_breeze.pl       |  4 +--
 plugins-scripts/check_disk_smb.pl     |  4 +--
 plugins-scripts/check_file_age.pl     |  4 +--
 plugins-scripts/check_flexlm.pl       |  4 +--
 plugins-scripts/check_ifoperstatus.pl |  4 +--
 plugins-scripts/check_ifstatus.pl     |  4 +--
 plugins-scripts/check_ircd.pl         |  4 +--
 plugins-scripts/check_log.sh          | 28 ++++++++----------
 plugins-scripts/check_mailq.pl        |  4 +--
 plugins-scripts/check_mssql.pl        |  4 +--
 plugins-scripts/check_netdns.pl       |  4 +--
 plugins-scripts/check_ntp.pl          |  4 +--
 plugins-scripts/check_oracle.sh       |  2 +-
 plugins-scripts/check_rpc.pl          |  4 +--
 plugins-scripts/check_sensors.sh      |  5 ++--
 plugins-scripts/check_wave.pl         |  4 +--
 plugins-scripts/subst.in              | 53 -----------------------------------
 20 files changed, 53 insertions(+), 103 deletions(-)

diff --git a/NEWS b/NEWS
index 42ac42a..c0c9d11 100644
--- a/NEWS
+++ b/NEWS
@@ -25,6 +25,8 @@ This file documents the major additions and syntax changes between releases.
 	  renamed MP_STATE_DIRECTORY. The old variable will continue to work in v1.6.x
 	check_swap used to allow returning OK on a system without swap when only percent thresholds
 	  were used. This is no longer the case and one must now use -n/--no-swap=<state>
+	The Perl and Shell plugins now use the PATH specified via ./configure's --trusted-path
+	  option, or "/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin" by default
 
 1.5 2nd October 2013
 	ENHANCEMENTS
diff --git a/configure.ac b/configure.ac
index 5759e60..a1ef445 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,7 @@ AM_MAINTAINER_MODE([enable])
 AC_CONFIG_HEADERS([config.h])
 AC_CANONICAL_HOST
 
+DEFAULT_PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin"
 RELEASE=1
 AC_SUBST(RELEASE)
 
@@ -75,7 +76,8 @@ AC_DEFINE_UNQUOTED(CGIURL,"$CGIURL",[URL of CGI programs])
 AC_ARG_WITH(trusted_path,
 	ACX_HELP_STRING([--with-trusted-path=PATH],
 		[sets trusted path for executables called by scripts]),
-	with_trusted_path=$withval)
+	with_trusted_path=$withval,
+	with_trusted_path=$DEFAULT_PATH)
 AC_SUBST(with_trusted_path)
 
 EXTRAS=
@@ -1781,7 +1783,6 @@ AC_OUTPUT(
   lib/tests/Makefile
   plugins-root/Makefile
   plugins-scripts/Makefile
-  plugins-scripts/subst
   plugins-scripts/utils.pm
   plugins-scripts/utils.sh
   perlmods/Makefile
diff --git a/plugins-scripts/Makefile.am b/plugins-scripts/Makefile.am
index 4ea262a..78a950c 100644
--- a/plugins-scripts/Makefile.am
+++ b/plugins-scripts/Makefile.am
@@ -23,6 +23,11 @@ EXTRA_DIST=check_breeze.pl check_disk_smb.pl check_flexlm.pl check_ircd.pl \
 	check_ifstatus.pl check_ifoperstatus.pl check_wave.pl check_mailq.pl check_file_age.pl \
 	utils.sh.in utils.pm.in t
 
+EDIT = sed \
+  -e 's|[@]NP_VERSION[@]|$(NP_VERSION)|g' \
+  -e 's|[@]TRUSTED_PATH[@]|$(with_trusted_path)|g' \
+  -e 's|[@]PERL[@]|$(PERL)|g'
+
 TESTS_ENVIRONMENT=perl -I $(top_builddir) -I $(top_srcdir)
 
 TESTS = @SCRIPT_TEST@
@@ -38,11 +43,11 @@ test-debug:
 CLEANFILES=$(libexec_SCRIPTS)
 
 .pl :
-	NP_VERSION=$(NP_VERSION) $(AWK) -f ./subst $< > $@
+	$(EDIT) $< > $@
 	chmod +x $@
 
 .sh :
-	NP_VERSION=$(NP_VERSION) $(AWK) -f ./subst $< > $@
+	$(EDIT) $< > $@
 	chmod +x $@
 
 clean-local:
diff --git a/plugins-scripts/check_breeze.pl b/plugins-scripts/check_breeze.pl
index 917a1c6..38badeb 100755
--- a/plugins-scripts/check_breeze.pl
+++ b/plugins-scripts/check_breeze.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -wT
+#!@PERL@ -wT
 
 
 use strict;
@@ -13,7 +13,7 @@ $PROGNAME = "check_breeze";
 sub print_help ();
 sub print_usage ();
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}=''; 
 $ENV{'ENV'}='';
 
diff --git a/plugins-scripts/check_disk_smb.pl b/plugins-scripts/check_disk_smb.pl
index 36259d5..99948a4 100755
--- a/plugins-scripts/check_disk_smb.pl
+++ b/plugins-scripts/check_disk_smb.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!@PERL@ -w
 #
 #
 # check_disk.pl <host> <share> <user> <pass> [warn] [critical] [port]
@@ -33,7 +33,7 @@ sub print_usage ();
 
 $PROGNAME = "check_disk_smb";
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}=''; 
 $ENV{'ENV'}='';
 
diff --git a/plugins-scripts/check_file_age.pl b/plugins-scripts/check_file_age.pl
index e028038..5e062de 100755
--- a/plugins-scripts/check_file_age.pl
+++ b/plugins-scripts/check_file_age.pl
@@ -1,4 +1,4 @@
-#!/bin/perl -w
+#!@PERL@ -w
 
 # check_file_age.pl Copyright (C) 2003 Steven Grimm <koreth-nagios at midwinter.com>
 #
@@ -36,7 +36,7 @@ my ($result, $message, $age, $size, $st);
 
 $PROGNAME="check_file_age";
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}=''; 
 $ENV{'ENV'}='';
 
diff --git a/plugins-scripts/check_flexlm.pl b/plugins-scripts/check_flexlm.pl
index de63d3a..49d674d 100755
--- a/plugins-scripts/check_flexlm.pl
+++ b/plugins-scripts/check_flexlm.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!@PERL@ -w
 #
 # usage: 
 #    check_flexlm.pl license_file
@@ -44,7 +44,7 @@ $PROGNAME="check_flexlm";
 sub print_help ();
 sub print_usage ();
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}=''; 
 $ENV{'ENV'}='';
 
diff --git a/plugins-scripts/check_ifoperstatus.pl b/plugins-scripts/check_ifoperstatus.pl
index 159eb62..1a7fbba 100755
--- a/plugins-scripts/check_ifoperstatus.pl
+++ b/plugins-scripts/check_ifoperstatus.pl
@@ -1,4 +1,4 @@
-#!/usr/local/bin/perl -w
+#!@PERL@ -w
 #
 # check_ifoperstatus.pl - monitoring plugin
 #
@@ -49,7 +49,7 @@ sub usage ($);
 sub print_usage ();
 sub process_arguments ();
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}=''; 
 $ENV{'ENV'}='';
 
diff --git a/plugins-scripts/check_ifstatus.pl b/plugins-scripts/check_ifstatus.pl
index 4760a28..e9e6214 100755
--- a/plugins-scripts/check_ifstatus.pl
+++ b/plugins-scripts/check_ifstatus.pl
@@ -1,4 +1,4 @@
-#!/usr/local/bin/perl -w
+#!@PERL@ -w
 #
 # check_ifstatus.pl - monitoring plugin
 # 
@@ -47,7 +47,7 @@ sub usage ($);
 sub print_usage ();
 sub process_arguments ();
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}=''; 
 $ENV{'ENV'}='';
 
diff --git a/plugins-scripts/check_ircd.pl b/plugins-scripts/check_ircd.pl
index dab6595..c14980c 100755
--- a/plugins-scripts/check_ircd.pl
+++ b/plugins-scripts/check_ircd.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -wT
+#!@PERL@ -wT
 
 # -----------------------------------------------------------------------------
 # File Name:		check_ircd.pl
@@ -62,7 +62,7 @@ sub bindRemote ($$);
 
 # -------------------------------------------------------------[ Enviroment ]--
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}=''; 
 $ENV{'ENV'}='';
 
diff --git a/plugins-scripts/check_log.sh b/plugins-scripts/check_log.sh
index be4c7be..8653a5e 100755
--- a/plugins-scripts/check_log.sh
+++ b/plugins-scripts/check_log.sh
@@ -58,18 +58,12 @@
 # Paths to commands used in this script.  These
 # may have to be modified to match your system setup.
 
-GREP="/bin/egrep"
-DIFF="/bin/diff"
-TAIL="/bin/tail"
-CAT="/bin/cat"
-RM="/bin/rm"
-CHMOD="/bin/chmod"
-TOUCH="/bin/touch"
-
 PROGNAME=`/bin/basename $0`
 PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
 REVISION="@NP_VERSION@"
-PATH="@trusted_path@"
+PATH="@TRUSTED_PATH@"
+
+export PATH
 
 . $PROGPATH/utils.sh
 
@@ -177,7 +171,7 @@ fi
 # the old diff file and exit
 
 if [ ! -e $oldlog ]; then
-    $CAT $logfile > $oldlog
+    cat $logfile > $oldlog
     echo "Log check data initialized..."
     exit $STATE_OK
 fi
@@ -191,20 +185,20 @@ if [ -x /bin/mktemp ]; then
 else
     tempdiff=`/bin/date '+%H%M%S'`
     tempdiff="/tmp/check_log.${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" $tempdiff`
+count=`grep -c "$query" $tempdiff`
 
 # Get the last matching entry in the diff file
-lastentry=`$GREP "$query" $tempdiff | $TAIL -1`
+lastentry=`grep "$query" $tempdiff | tail -1`
 
-$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"
diff --git a/plugins-scripts/check_mailq.pl b/plugins-scripts/check_mailq.pl
index 488cf2f..df1385d 100755
--- a/plugins-scripts/check_mailq.pl
+++ b/plugins-scripts/check_mailq.pl
@@ -1,4 +1,4 @@
-#!/usr/local/bin/perl -w
+#!@PERL@ -w
 
 # check_mailq - check to see how many messages are in the smtp queue awating
 #   transmittal.  
@@ -40,7 +40,7 @@ sub print_help ();
 sub print_usage ();
 sub process_arguments ();
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}=''; 
 $ENV{'ENV'}='';
 $PROGNAME = "check_mailq";
diff --git a/plugins-scripts/check_mssql.pl b/plugins-scripts/check_mssql.pl
index cf23ae8..652a12a 100755
--- a/plugins-scripts/check_mssql.pl
+++ b/plugins-scripts/check_mssql.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!@PERL@ -w
 
 #
 # Copyright 2003 Roy Sigurd Karlsbakk
@@ -35,7 +35,7 @@ use strict;
 
 my $PROGNAME = "check_mssql";
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}=''; 
 $ENV{'ENV'}='';
 
diff --git a/plugins-scripts/check_netdns.pl b/plugins-scripts/check_netdns.pl
index 6e0d02d..82939bf 100755
--- a/plugins-scripts/check_netdns.pl
+++ b/plugins-scripts/check_netdns.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!@PERL@ -w
 
 # Perl version of check_dns plugin which calls DNS directly instead of
 # relying on nslookup (which has bugs)
@@ -33,7 +33,7 @@ use utils ;
 
 my $PROGNAME = "check_netdns";
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}=''; 
 $ENV{'ENV'}='';
 
diff --git a/plugins-scripts/check_ntp.pl b/plugins-scripts/check_ntp.pl
index cdcbffa..13da939 100755
--- a/plugins-scripts/check_ntp.pl
+++ b/plugins-scripts/check_ntp.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!@PERL@ -w
 #
 # (c)1999 Ian Cass, Knowledge Matters Ltd.
 # Read the GNU copyright stuff for all the legalese
@@ -69,7 +69,7 @@ $PROGNAME="check_ntp";
 sub print_help ();
 sub print_usage ();
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}='';
 $ENV{'ENV'}='';
 
diff --git a/plugins-scripts/check_oracle.sh b/plugins-scripts/check_oracle.sh
index efa1df1..ceac95d 100755
--- a/plugins-scripts/check_oracle.sh
+++ b/plugins-scripts/check_oracle.sh
@@ -9,7 +9,7 @@
 PROGNAME=`basename $0`
 PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
 REVISION="@NP_VERSION@"
-PATH="@trusted_path@"
+PATH="@TRUSTED_PATH@"
 
 . $PROGPATH/utils.sh
 
diff --git a/plugins-scripts/check_rpc.pl b/plugins-scripts/check_rpc.pl
index f7fe032..cbdeceb 100755
--- a/plugins-scripts/check_rpc.pl
+++ b/plugins-scripts/check_rpc.pl
@@ -1,4 +1,4 @@
-#!/usr/local/bin/perl -w
+#!@PERL@ -w
 #
 # check_rpc plugin for monitoring
 #
@@ -37,7 +37,7 @@ sub print_help ();
 sub print_usage ();
 sub in ($$);
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}=''; 
 $ENV{'ENV'}='';
 $ENV{'LC_ALL'}='C';
diff --git a/plugins-scripts/check_sensors.sh b/plugins-scripts/check_sensors.sh
index 53db9b4..05c64c4 100755
--- a/plugins-scripts/check_sensors.sh
+++ b/plugins-scripts/check_sensors.sh
@@ -3,8 +3,9 @@
 PROGNAME=`basename $0`
 PROGPATH=`echo $0 | sed -e 's,[\\/][^\\/][^\\/]*$,,'`
 REVISION="@NP_VERSION@"
-TRUSTED_PATH="@trusted_path@"
-PATH=${TRUSTED_PATH:-"/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"}
+PATH="@TRUSTED_PATH@"
+
+export PATH
 
 . $PROGPATH/utils.sh
 
diff --git a/plugins-scripts/check_wave.pl b/plugins-scripts/check_wave.pl
index 5192753..5fa78e3 100755
--- a/plugins-scripts/check_wave.pl
+++ b/plugins-scripts/check_wave.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -wT
+#!@PERL@ -wT
 #
 
 
@@ -16,7 +16,7 @@ $PROGNAME = "check_wave";
 sub print_help ();
 sub print_usage ();
 
-$ENV{'PATH'}='@trusted_path@';
+$ENV{'PATH'}='@TRUSTED_PATH@';
 $ENV{'BASH_ENV'}='';
 $ENV{'ENV'}='';
 
diff --git a/plugins-scripts/subst.in b/plugins-scripts/subst.in
deleted file mode 100644
index c730b77..0000000
--- a/plugins-scripts/subst.in
+++ /dev/null
@@ -1,53 +0,0 @@
-#!/usr/bin/awk
-
-function which(c,path) {
-	cmd = "test -x " c;
-
-	if (system(cmd)==0) {
-		return c;
-	} 
-
-	sub(/\/.*\//,"",c);
-  for (dir in path) {
-			cmd = "test -x " path[dir] "/" c;
-			if (system(cmd)==0) {
-					return path[dir] "/" c;
-			} 
-	}
-
-
-	return c;
-}
-
-BEGIN {
-	split(ENVIRON["PATH"] ":/sbin:/usr/sbin",path,/:/);
-
-}
-
-# Plugin revision
-/@NP_VERSION@/ {sub(/@NP_VERSION@/,ENVIRON["NP_VERSION"]);}
-
-# scripting language (first line)
-
-/^#! ?\/.*\/python/ {sub(/^#! ?\/.*\/python/,"#! @PYTHON@");}
-/^#! ?\/.*\/perl/ {sub(/^#! ?\/.*\/perl/,"#! @PERL@");}
-/^#! ?\/.*\/[a-z]{0,2}awk/ {sub(/^#! ?\/.*\/[a-z]{0,2}awk/,"#! @AWK@");}
-/^#! ?\/.*\/sh/ {sub(/^#! ?\/.*\/sh/,"#! @SHELL@");}
-
-# If a script contains a reference to a fully qualified command,
-# subst will replace the fully qualified command with whatever is
-# returned from the which subroutine. run before changes to INC to add libexecdir
-# FIXME: Prepend executables with a substitution keyword instead.
-#
-/^[^#]/ && /(\/.*)?\/(bin|sbin|lib|libexec)\// {
-	match($0,/(\/.*)?\/(bin|sbin|lib|libexec)\/[-_a-zA-Z0-9]+/);
-	c=substr($0,RSTART,RLENGTH);
-	sub(c,which(c,path));
-}
-
-# Trusted path mechanism
-/@trusted_path@/ {sub(/@trusted_path@/,"@with_trusted_path@");}
-
-{
-	print;
-}
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