fix port validation + more sdk wrappers

Author: DrFaust92

aws/resource_aws_ec2_traffic_mirror_filter_rule.go

@@ -49,12 +49,12 @@ func resourceAwsEc2TrafficMirrorFilterRule() *schema.Resource {
 						"from_port": {
 							Type:         schema.TypeInt,
 							Optional:     true,
-							ValidateFunc: validation.IsPortNumber,
+							ValidateFunc: validation.IsPortNumberOrZero,
 						},
 						"to_port": {
 							Type:         schema.TypeInt,
 							Optional:     true,
-							ValidateFunc: validation.IsPortNumber,
+							ValidateFunc: validation.IsPortNumberOrZero,
 						},
 					},
 				},
@@ -89,12 +89,12 @@ func resourceAwsEc2TrafficMirrorFilterRule() *schema.Resource {
 						"from_port": {
 							Type:         schema.TypeInt,
 							Optional:     true,
-							ValidateFunc: validation.IsPortNumber,
+							ValidateFunc: validation.IsPortNumberOrZero,
 						},
 						"to_port": {
 							Type:         schema.TypeInt,
 							Optional:     true,
-							ValidateFunc: validation.IsPortNumber,
+							ValidateFunc: validation.IsPortNumberOrZero,
 						},
 					},
 				},

aws/resource_aws_ec2_traffic_mirror_filter_rule_test.go

@@ -164,7 +164,7 @@ func testAccCheckAWSEc2TrafficMirrorFilterRuleExists(name string) resource.TestC
 
 		var exists bool
 		for _, rule := range ruleList {
-			if *rule.TrafficMirrorFilterRuleId == ruleId {
+			if aws.StringValue(rule.TrafficMirrorFilterRuleId) == ruleId {
 				exists = true
 				break
 			}