eCryptFS Setup on Manjaro

ecryptfs-setup.sh

#!/bin/bash
echo " eCryptFS Installation Script for Manjaro Linux "
echo " ---------------------------------------------- "
echo " This script will download and install the packages required to run eCryptFS and its utilities to encrypt a users home directory."

if [[ $EUID -ne 0 ]]; then
   echo ""
   echo " !! This script must be run as root !!" 
   echo " !! Exiting.                        !!"
   echo ""
   exit 1
fi

echo " => Installing required pacman packages ..."
pacman -S ecryptfs-utils lsof rsync which

echo " => Setting up eCryptFS ... "
modprobe ecryptfs

cat > /etc/pam.d/system-auth <<EOF
#%PAM-1.0

auth      required  pam_unix.so     try_first_pass nullok
auth      required  pam_ecryptfs.so unwrap
auth      optional  pam_permit.so
auth      required  pam_env.so

account   required  pam_unix.so
account   optional  pam_permit.so
account   required  pam_time.so

password  optional  pam_ecryptfs.so
password  required  pam_unix.so     try_first_pass nullok sha512 shadow
password  optional  pam_permit.so

session   required  pam_limits.so
session   required  pam_unix.so
session   optional  pam_ecryptfs.so unwrap
session   optional  pam_permit.so
EOF

echo " => Encrypting home directory ... "
echo -en "    Enter username: "
read ENCRYPT_USER
echo " ===> Encrypting home directory for $ENCRYPT_USER"

ecryptfs-migrate-home -u $ENCRYPT_USER