From f6aec750e6b44611e1ce1faffd770cb2a4287a88 Mon Sep 17 00:00:00 2001
From: The_Spider <nhyatt@smoothnet.org>
Date: Mon, 7 Feb 2022 07:58:43 -0600
Subject: [PATCH] Adds test to skip empty lines

---
 cmd/bind/parsing-complex.go | 8 ++++++++
 cmd/bind/parsing-simple.go  | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/cmd/bind/parsing-complex.go b/cmd/bind/parsing-complex.go
index 9e24a91..7e74b41 100644
--- a/cmd/bind/parsing-complex.go
+++ b/cmd/bind/parsing-complex.go
@@ -3,6 +3,7 @@ package main
 import (
 	"bufio"
 	"bytes"
+	"log"
 	"regexp"
 	"strings"
 
@@ -25,6 +26,11 @@ func parseComplex(data []byte) []string {
 			continue
 		}
 
+		// skip lines with no characters and/or whitespace only
+		if regexp.MustCompile(`^(\s+)?$`).MatchString(line) {
+			continue
+		}
+
 		// split line by whitespace
 		lineItems := strings.Fields(line)
 
@@ -32,6 +38,8 @@ func parseComplex(data []byte) []string {
 			// the second item is the domain, check if its valid and add it
 			if govalidator.IsDNSName(lineItems[1]) {
 				domains = append(domains, lineItems[1])
+			} else {
+				log.Printf("[TRACE] Domain is not valid: %s\n", lineItems[0])
 			}
 		}
 	}
diff --git a/cmd/bind/parsing-simple.go b/cmd/bind/parsing-simple.go
index 3527a49..2d20dbd 100644
--- a/cmd/bind/parsing-simple.go
+++ b/cmd/bind/parsing-simple.go
@@ -3,6 +3,7 @@ package main
 import (
 	"bufio"
 	"bytes"
+	"log"
 	"regexp"
 	"strings"
 
@@ -25,6 +26,11 @@ func parseSimple(data []byte) []string {
 			continue
 		}
 
+		// skip lines with no characters and/or whitespace only
+		if regexp.MustCompile(`^(\s+)?$`).MatchString(line) {
+			continue
+		}
+
 		// split line by whitespace
 		lineItems := strings.Fields(line)
 
@@ -32,6 +38,8 @@ func parseSimple(data []byte) []string {
 			// the second item is the domain, check if its valid and add it
 			if govalidator.IsDNSName(lineItems[0]) {
 				domains = append(domains, lineItems[0])
+			} else {
+				log.Printf("[TRACE] Domain is not valid: %s\n", lineItems[0])
 			}
 		}
 	}