From f62d869d2737cb00ead5466b70b75e797c4d1171 Mon Sep 17 00:00:00 2001
From: knqyf263 <knqyf263@gmail.com>
Date: Sun, 22 Jan 2017 23:15:25 +0900
Subject: [PATCH] Check whether echo is executable with nopasswd

---
 scan/redhat.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/scan/redhat.go b/scan/redhat.go
index 1f228f75..97784850 100644
--- a/scan/redhat.go
+++ b/scan/redhat.go
@@ -97,7 +97,11 @@ func detectRedhat(c config.ServerInfo) (itsMe bool, red osTypeInterface) {
 }
 
 func (o *redhat) checkIfSudoNoPasswd() error {
-	r := o.exec("yum --version", o.sudo())
+        cmd := "yum --version"
+        if o.Distro.Family == "centos" {
+                cmd = "echo N | " + cmd
+        }
+        r := o.exec(cmd, o.sudo())
 	if !r.isSuccess() {
 		o.log.Errorf("sudo error on %s", r)
 		return fmt.Errorf("Failed to sudo: %s", r)