From 03eae68972bfe899884a63454820ec2a8b5da921 Mon Sep 17 00:00:00 2001
From: ricardopolo <vpablo23@gmail.com>
Date: Fri, 1 Nov 2019 10:33:33 -0500
Subject: [PATCH] get DNS Suffix

---
 lib/network.js | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/lib/network.js b/lib/network.js
index 13b9b32..ae0d5ae 100644
--- a/lib/network.js
+++ b/lib/network.js
@@ -325,7 +325,7 @@ function getInterfaceConnectionName(interfaceName) {
   }
 }
 
-function getDHCPstatus(connectionName) {
+function getInterfaceDHCPstatus(connectionName) {
   if(connectionName) {
     const cmd = `nmcli connection show "${connectionName}" \| grep ipv4.method;`;
     try {
@@ -351,7 +351,21 @@ function getDHCPstatus(connectionName) {
   }
 }
 
-
+function getInterfaceDNSsuffix(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;
+    } catch (e) {
+      return 'Unknow';
+    }
+  } else {
+    return 'Unknow';
+  }
+}
 
 function testVirtualNic(iface, ifaceName, mac) {
   const virtualMacs = ['00:00:00:00:00:00', '00:03:FF', '00:05:69', '00:0C:29', '00:0F:4B', '00:0F:4B', '00:13:07', '00:13:BE', '00:15:5d', '00:16:3E', '00:1C:42', '00:21:F6', '00:21:F6', '00:24:0B', '00:24:0B', '00:50:56', '00:A0:B1', '00:E0:C8', '08:00:27', '0A:00:27', '18:92:2C', '16:DF:49', '3C:F3:92', '54:52:00', 'FC:15:97'];
@@ -421,6 +435,7 @@ function networkInterfaces(callback) {
             let carrierChanges = 0;
             let operstate = 'down';
             let dhcp = false;
+            let dnsSuffix = '';
             let type = '';
 
             if (ifaces.hasOwnProperty(dev)) {
@@ -475,7 +490,8 @@ function networkInterfaces(callback) {
     
                 try {
                   const connectionName = getInterfaceConnectionName(iface);
-                  dhcp = getDHCPstatus(connectionName);
+                  dhcp = getInterfaceDHCPstatus(connectionName);
+                  dnsSuffix = getInterfaceDNSsuffix(connectionName);
                   lines = execSync(cmd).toString().split('\n');
             
                  
@@ -527,6 +543,7 @@ function networkInterfaces(callback) {
                 mtu,
                 speed,
                 dhcp,
+                dnsSuffix,
                 carrierChanges,
               });
             }