From 18b6e8b87d1df55acbefdfcb21183fa6f47c30c6 Mon Sep 17 00:00:00 2001
From: VP-002 U <>
Date: Fri, 1 Nov 2019 10:45:05 -0500
Subject: [PATCH] Get DNS Suffix in linux

---
 lib/network.js | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/lib/network.js b/lib/network.js
index ae0d5ae..8262242 100644
--- a/lib/network.js
+++ b/lib/network.js
@@ -311,7 +311,7 @@ function getDarwinNics() {
 }
 
 
-function getInterfaceConnectionName(interfaceName) {
+function getLinuxIfaceConnectionName(interfaceName) {
   const cmd = `nmcli device status | grep ${interfaceName}`;
 
   try {
@@ -325,7 +325,7 @@ function getInterfaceConnectionName(interfaceName) {
   }
 }
 
-function getInterfaceDHCPstatus(connectionName) {
+function getLinuxIfaceDHCPstatus(connectionName) {
   if(connectionName) {
     const cmd = `nmcli connection show "${connectionName}" \| grep ipv4.method;`;
     try {
@@ -351,14 +351,14 @@ function getInterfaceDHCPstatus(connectionName) {
   }
 }
 
-function getInterfaceDNSsuffix(connectionName) {
+function getLinuxIfaceDNSsuffix(connectionName) {
   if(connectionName) {
     const cmd = `nmcli connection show "${connectionName}" \| grep ipv4.dns-search;`;
     try {
       const result = execSync(cmd).toString();
       const resultFormat = result.replace(/\s+/g,' ').trim();
       const dnsSuffix = resultFormat.split(" ").slice(1).toString();
-      return dnsSuffix;
+      return dnsSuffix == '--' ? '': dnsSuffix;
     } catch (e) {
       return 'Unknow';
     }
@@ -489,9 +489,9 @@ function networkInterfaces(callback) {
             let lines = [];
     
                 try {
-                  const connectionName = getInterfaceConnectionName(iface);
-                  dhcp = getInterfaceDHCPstatus(connectionName);
-                  dnsSuffix = getInterfaceDNSsuffix(connectionName);
+                  const connectionName = getLinuxIfaceConnectionName(iface);
+                  dhcp = getLinuxIfaceDHCPstatus(connectionName);
+                  dnsSuffix = getLinuxIfaceDNSsuffix(connectionName);
                   lines = execSync(cmd).toString().split('\n');