#!/bin/bash

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


# sshd config
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
                cp  /etc/ssh/sshd_config  /etc/ssh/sshd_config.bak1
                sed -i 's/PermitRootLogin no/#PermitRootLogin prohibit-password/g' /etc/ssh/sshd_config
                sed -i 's/PermitRootLogin yes/#PermitRootLogin prohibit-password/g' /etc/ssh/sshd_config
                sed -i 's/PermitRootLogin prohibit-password/#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
                cp  /etc/ssh/sshd_config  /etc/ssh/sshd_config.bak2
                sed -i 's/#PasswordAuthentication no/PasswordAuthentication no/g' /etc/ssh/sshd_config
                sed -i 's/PasswordAuthentication yes/PasswordAuthentication no/g' /etc/ssh/sshd_config
                sed -i 's/#PasswordAuthentication yes/PasswordAuthentication no/g' /etc/ssh/sshd_config
        fi
fi


# authorized_keys akanealw
cp /home/akanealw/.ssh/authorized_keys /home/akanealw/.ssh/authorized_keys.bak
isInFile=$(cat /home/akanealw/.ssh/authorized_keys | grep -c "gamingpc-akanealw")
if [ $isInFile -eq 0 ]
    then
        echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINRfrcCbyeG7O7P3/WNuPrOr131x/DHcJqjJVE/BBrAU gamingpc-akanealw" >> /home/akanealw/.ssh/authorized_keys
        chown akanealw:akanealw /home/akanealw/.ssh/*
        chmod 600 /home/akanealw/.ssh/*
fi

isInFile=$(cat /home/akanealw/.ssh/authorized_keys | grep -c "laptoppc-akanealw")
if [ $isInFile -eq 0 ]
    then
        echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAj1SSffm3S3wJCSq3YjGzQ/Gw3Ta9YRzUmSvxv4/bVm laptoppc-akanealw" >> /home/akanealw/.ssh/authorized_keys
        chown akanealw:akanealw /home/akanealw/.ssh/*
        chmod 600 /home/akanealw/.ssh/*
fi

isInFile=$(cat /home/akanealw/.ssh/authorized_keys | grep -c "server-akanealw")
if [ $isInFile -eq 0 ]
    then
        echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGAiw0sQxxTg/zBm/Hz4LLjtiuGfefF2vogGkYcWox4S server-akanealw" >> /home/akanealw/.ssh/authorized_keys
        chown akanealw:akanealw /home/akanealw/.ssh/*
        chmod 600 /home/akanealw/.ssh/*
fi


# authorized_keys root
cp /root/.ssh/authorized_keys /root/.ssh/authorized_keys.bak
isInFile=$(cat /root/.ssh/authorized_keys | grep -c "gamingpc-root")
if [ $isInFile -eq 0 ]
    then
        echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILMb59HWxAoetRy+Qd0IWrF79z6iwq/JcL2cJ8rRI4Io gamingpc-root" >> /root/.ssh/authorized_keys
        chmod 600 /root/.ssh/authorized_keys
fi

isInFile=$(cat /root/.ssh/authorized_keys | grep -c "laptoppc-root")
if [ $isInFile -eq 0 ]
    then
        echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIL3BxOpdWBLaZKL/EKIRIypK91hFvYE7Ak2fgDEiPmHE laptoppc-root" >> /root/.ssh/authorized_keys
        chmod 600 /root/.ssh/authorized_keys
fi

isInFile=$(cat /root/.ssh/authorized_keys | grep -c "server-root")
if [ $isInFile -eq 0 ]
    then
        echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHWiw5lVzQIZiZc1SPphvHhdSpFl9UN6Xm4znFqq5xs4 server-root" >> /root/.ssh/authorized_keys
        chmod 600 /root/.ssh/authorized_keys
fi


# config /home/akanealw/.ssh/
isInFile=$(cat /home/akanealw/.ssh/config | grep -c "*root")
if [ $isInFile -eq 0 ]
    then
        cp /home/akanealw/.ssh/config /home/akanealw/.ssh/config.bak
        mv /home/akanealw/.ssh/known_hosts /home/akanealw/.ssh/known_hosts.old
        echo "" >> /home/akanealw/.ssh/config
        echo "" >> /home/akanealw/.ssh/config
        echo "Host *root" >> /home/akanealw/.ssh/config
        echo "Port 22" >> /home/akanealw/.ssh/config
        echo "User root" >> /home/akanealw/.ssh/config
        echo "IdentityFile /root/.ssh/server-root" >> /home/akanealw/.ssh/config
        echo "" >> /home/akanealw/.ssh/config
        echo "Host *" >> /home/akanealw/.ssh/config
        echo "Port 22" >> /home/akanealw/.ssh/config
        echo "User akanealw" >> /home/akanealw/.ssh/config
        echo "IdentityFile /home/akanealw/.ssh/server-akanealw" >> /home/akanealw/.ssh/config
        chown akanealw:akanealw /home/akanealw/.ssh/*
        chmod 600 /home/akanealw/.ssh/*
fi


# config /root/.ssh/
isInFile=$(cat /root/.ssh/config | grep -c "*root")
if [ $isInFile -eq 0 ]
    then
        cp /root/.ssh/config /root/.ssh/config.bak
        mv /root/.ssh/known_hosts /root/.ssh/known_hosts.old
        echo "" >> /root/.ssh/config
        echo "" >> /root/.ssh/config
        echo "Host *root" >> /root/.ssh/config
        echo "Port 22" >> /root/.ssh/config
        echo "User root" >> /root/.ssh/config
        echo "IdentityFile /root/.ssh/server-root" >> /root/.ssh/config
        echo "" >> /root/.ssh/config
        echo "Host *" >> /root/.ssh/config
        echo "Port 22" >> /root/.ssh/config
        echo "User akanealw" >> /root/.ssh/config
        echo "IdentityFile /home/akanealw/.ssh/server-akanealw" >> /root/.ssh/config
        chmod 600 /root/.ssh/*
fi


# server-akanealw
cat <<EOF > /home/akanealw/.ssh/server-akanealw
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
QyNTUxOQAAACBgIsNLEMcU4P8wZvx8+Cy47Yrhn3nxdr6IBpGHFqMeEgAAAJgPgcu8D4HL
vAAAAAtzc2gtZWQyNTUxOQAAACBgIsNLEMcU4P8wZvx8+Cy47Yrhn3nxdr6IBpGHFqMeEg
AAAEDalS9Q+0KRMMqOXnie/d0uckbLIePYYY7DOqs8cJ7UF2Aiw0sQxxTg/zBm/Hz4LLjt
iuGfefF2vogGkYcWox4SAAAAD3NlcnZlci1ha2FuZWFsdwECAwQFBg==
-----END OPENSSH PRIVATE KEY-----
EOF
chown akanealw:akanealw /home/akanealw/.ssh/*
chmod 600 /home/akanealw/.ssh/*


# server-root
cat <<EOF > /root/.ssh/server-root
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
QyNTUxOQAAACB1osOZVc0CGYmXNUj6Ybx4XUqRZfVDel5uM5xaqucbOAAAAJAnxfYyJ8X2
MgAAAAtzc2gtZWQyNTUxOQAAACB1osOZVc0CGYmXNUj6Ybx4XUqRZfVDel5uM5xaqucbOA
AAAEBUjm9GcUvXzKnpiw0aYd+Ca7+LAWuq0u6l0FjPQyQjd3Wiw5lVzQIZiZc1SPphvHhd
SpFl9UN6Xm4znFqq5xs4AAAAC3NlcnZlci1yb290AQI=
-----END OPENSSH PRIVATE KEY-----
EOF
chmod 600 /root/.ssh/*


# restart sshd
#systemctl restart sshd