lec3vid7project

#!/bin/bash

# The goal of this exercise is to create a shell script that adds users to the same Linux system as the script is executed on.

# Make sure the script is being executed with superuser privileges.
if [ "${UID}" -ne 0 ]
then 
  echo "RUN THE SCRIPT WITH ROOT PRIVILAGES"
  exit 1
fi

# Get the username (login).
read -p 'Enter the username : ' USER_NAME

# Get the real name (contents for the description field).
read -p 'Enter actual name: ' COMMENT 

# Get the password.
read -p 'enter the password to set: ' PASSWORD

# Create the user account with the password.
useradd -c "${COMMENT}" -m ${USER_NAME}

# Check to see if the useradd command succeeded.
# we don't want to tell the user that the account has been created when it has not been 
if [ "${?}" -ne 0 ]
then 
   echo 'THe account could not be created'
   exit 1
fi

# Set the password.
echo ${PASSWORD} | passwd --stdin ${USER_NAME}

# Check to see if the passwd command succeeded.
if [ "${?}" -ne 0 ]
then 
  echo 'The password for the account could not be set'
  exit 1 
fi

# Force password change on first login.
passwd -e ${USER_NAME}  

# Display the username, password, and the host where the user was created.
echo # leaves a blank space
echo 'username'
echo "${USER_NAME}"
echo
echo 'password'
echo "${PASSWORD}"
echo 
echo 'Host'
echo "${HOSTNAME}"

exit 0