From cc27e637733a763c1117002785c02284cc670961 Mon Sep 17 00:00:00 2001
From: fbsanchez <fborja.sanchez@artica.es>
Date: Tue, 13 Feb 2018 10:59:00 +0100
Subject: [PATCH] Exception control added to safe_input and safe_output

---
 pandora_server/lib/PandoraFMS/Tools.pm | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pandora_server/lib/PandoraFMS/Tools.pm b/pandora_server/lib/PandoraFMS/Tools.pm
index d2c82dcd44..fe528042b8 100755
--- a/pandora_server/lib/PandoraFMS/Tools.pm
+++ b/pandora_server/lib/PandoraFMS/Tools.pm
@@ -349,7 +349,9 @@ sub pandora_trash_ascii {
 ########################################################################
 sub safe_input($) {
 	my $value = shift;
-	
+
+	return "" unless defined($value);
+
 	$value =~ s/([\x00-\xFF])/$CHR2ENT{$1}||$1/ge;
 	
 	return $value;
@@ -360,7 +362,9 @@ sub safe_input($) {
 ########################################################################
 sub safe_output($) {
 	my $value = shift;
-	
+
+	return "" unless defined($value);
+
 	_decode_entities ($value, \%ENT2CHR);
 
 	return $value;