Ensure the checks for ASA context devices are strict (#9441)

includes/discovery/sensors/entity-sensor.inc.php

@@ -138,7 +138,7 @@ if (!empty($entity_oids)) {
                     $valid_sensor = false;
                 }
             }
-            if ($current == '-127' || ($device['os'] == 'asa' && str_contains($device['hardware'], 'sc'))) {
+            if ($current == '-127' || ($device['os'] == 'asa' && ends_with($device['hardware'], 'sc'))) {
                 $valid_sensor = false;
             }
             // Check for valid sensors

includes/polling/os/asa.inc.php

@@ -10,7 +10,7 @@
  * option) any later version.  Please see LICENSE.txt at the top level of
  * the source code distribution for details.
  */
-if (!str_contains($device['hardware'], 'sc')) {
+if (!ends_with($device['hardware'], 'sc')) {
     $oids = 'entPhysicalModelName.1 entPhysicalSoftwareRev.1 entPhysicalSerialNum.1 entPhysicalModelName.4 entPhysicalSoftwareRev.4';
 
     $data = snmp_get_multi($device, $oids, '-OQUs', 'ENTITY-MIB');

includes/polling/ports.inc.php

@@ -683,7 +683,7 @@ foreach ($ports as $port) {
                 }
             } else {
                 if ($oid == 'ifOperStatus' || $oid == 'ifAdminStatus') {
-                    if ($port[$oid . '_prev'] != $this_port[$oid]) {
+                    if ($port[$oid.'_prev'] == null) {
                         $port['update'][$oid . '_prev'] = $this_port[$oid];
                     }
                 }