#!/bin/bash

if [ "$EUID" -ne 0 ]
  then
  echo "Please run as root"
  exit
fi

isInFile=$(cat /etc/hostname | grep -c "proxmox")
if [ $isInFile -eq 0 ]
    then
        isInFile=$(cat /etc/ssh/sshd_config | grep -c "#PermitRootLogin prohibit-password")
        if [ $isInFile -eq 0 ]
            then
            sed -i 's/PermitRootLogin yes/#PermitRootLogin prohibit-password/g' /etc/ssh/sshd_config
        fi
fi

isInFile=$(cat /etc/hostname | grep -c "proxmox")
if [ $isInFile -eq 0 ]
    then
        isInFile=$(cat /etc/ssh/sshd_config | grep -c "PasswordAuthentication no")
        if [ $isInFile -eq 0 ]
            then
            sed -i 's/#PasswordAuthentication yes/PasswordAuthentication no/g' /etc/ssh/sshd_config
        fi
fi

isInFile=$(cat /root/.ssh/authorized_keys | grep -c "rsnapshotbackup")
if [ $isInFile -eq 0 ]
    then
        echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKZ2vuz72vLxq5+iNQopIK19d0Y4TE3eExy9KRiNlAgk rsnapshotbackup" >> /root/.ssh/authorized_keys
        chmod 600 /root/.ssh/authorized_keys
fi