From 5fd26378ef8a0cdf3882dba00c490117899b20e3 Mon Sep 17 00:00:00 2001
From: Andrey Arapov <andrey.arapov@nixaid.com>
Date: Sat, 30 Jun 2018 19:19:38 +0200
Subject: [PATCH] fixes

---
 gencert.sh | 29 ++++++++++++++++++-----------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/gencert.sh b/gencert.sh
index 39cdbd0..f9f3c3b 100755
--- a/gencert.sh
+++ b/gencert.sh
@@ -70,19 +70,9 @@ function print_help() {
 # A POSIX variable
 OPTIND=1 # Reset in case getopts has been used previously in the shell.
 
-ARGUMENT_LIST=(
-  "cn"
-  "key"
-  "cert"
-  "days"
-  "cakey"
-  "ca"
-  "cadays"
-)
-
 # read arguments
 opts=$(getopt \
-    --longoptions "help,$(printf "%s:," "${ARGUMENT_LIST[@]}")" \
+    --longoptions "help,cn:,key:,cert:,days:,cakey:,ca:,cadays:," \
     --name "$(basename "$0")" \
     --options "" \
     -- "$@"
@@ -206,9 +196,26 @@ function gen_server_x509() {
                    -extensions v3_req_server -extfile "${OPENSSL_CONFIG}" 2>/dev/null
 }
 
+function install_openssl() {
+  if type -p openssl >/dev/null; then
+    return;
+  fi
+
+  if [ -f /etc/alpine-release ]; then
+    apk add --update openssl
+  elif [ -f /etc/centos-release ]; then
+    yum -y install openssl
+  elif grep -q Ubuntu /etc/lsb-release; then
+    export DEBIAN_FRONTEND=noninteractive
+    apt-get update
+    apt-get -y install openssl
+  fi
+}
+
 function start() {
   echo "[${ME}] Started in ${PWD} directory."
 
+  install_openssl;
   gen_openssl_config;
   
   if [ ! -f "${CA_KEY}" ]; then