#!/bin/bash
#Function:將使用者輸入的明文密碼通過openssl工具轉換為加密後的密碼並儲存為密碼檔案
#Author:zzjiwang
#Version:1.0
#Date:2017-07-28 16:50


genpass() {
local currentDir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
local tmp=$(mktemp ${currentDir}/pass.XXXXXX)
for((i=1;i<=2;i++))
do
        echo -n "Enter your password: "
        stty -echo
        read pass1 < /dev/tty
        stty echo
        echo
        echo -n "Retype your password: "
        stty -echo
        read pass2 < /dev/tty
        stty echo 
        echo
        if [ "${pass1}" != "${pass2}" ];then
                echo "Sorry,passwords do not match."
                continue
        else
                break
        fi  

done
if [ "${pass1}" != "${pass2}" ];then
        echo "Failed to generate password file,the two password input is inconsistent,please check."
        [ ! -s ${tmp} ] && rm -f ${tmp}
        return 1
fi
(umask 077 ;echo "${pass1}" | openssl passwd -1 -salt 34lfper0LEo -stdin > ${tmp})
if [ $? -eq 0 ];then
        echo "Generate password file successfuly: ${tmp}" 
        return 0
else
        echo "Generate password file failed, please check." 
        return 1
fi
}
genpass