From 0a5b94d53f59e8f59f8d7d976ca14859fa008c6c Mon Sep 17 00:00:00 2001
From: Alexander Lutay <alutay@sipwise.com>
Date: Tue, 1 Aug 2017 23:20:41 +0200
Subject: [PATCH] kamctl: fix dangerous 'rm -rf' code in case if variables are
 not defined

(cherry picked from commit 62f573d4ecbbebe5f0f2d3b39be7ad4c2b460e65)
---
 utils/kamctl/kamctl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/utils/kamctl/kamctl b/utils/kamctl/kamctl
index 30d58784820..3aaecbd15ac 100755
--- a/utils/kamctl/kamctl
+++ b/utils/kamctl/kamctl
@@ -2614,7 +2614,7 @@ tls_ca() {
 			merr "Failed to create root directory $CA_PATH"
 			exit 1
 		fi
-		rm -fr $CA_PATH/*
+		rm -fr "${CA_PATH:?}"/*
 		mkdir $CA_PATH/private
 		mkdir $CA_PATH/certs
 		touch $CA_PATH/index.txt
@@ -2685,7 +2685,7 @@ tls_ca() {
 			merr "Failed to create user directory $USER_DIR "
 			exit 1
 		fi
-		rm -fr $USER_DIR/*
+		rm -fr "${USER_DIR:?}"/*
 
 		mecho "Creating user certificate request"
 		openssl req  -config $USER_CFG -out $USER_DIR/$USER-cert_req.pem \