#!/bin/bash

if ! grep -qo "^Port ${PORT}$" /etc/ssh/sshd_config; then
	echo "Génération de la configuration de SSH pour le bastion Monosphere..."
	echo "Port ${PORT}" >>/etc/ssh/sshd_config
	echo "#Last authentication configurations" >>/etc/ssh/sshd_config
	if [[ ${PASSWORD_AUTH} -eq "1" ]]; then
		echo "PasswordAuthentication yes" >>/etc/ssh/sshd_config
	else
		echo "PasswordAuthentication no" >>/etc/ssh/sshd_config
	fi
	if [[ ${KEY_AUTH} -eq "1" ]]; then
		echo "PubkeyAuthentication yes" >>/etc/ssh/sshd_config
	else
		echo "PubkeyAuthentication no" >>/etc/ssh/sshd_config
	fi
fi
sshd -t
echo "Configuration du service SSHD de Monosphere vérifiée."

echo "Monosphere active et execute les scripts personalisés"
chown -R root:root /opt/custom
chmod 700 /opt/custom/scripts/*.sh
bash /opt/custom/scripts/*.sh
echo "Execution des scripts personalisés terminée."

echo "Monosphere configure le répertoire public."
chown -R root:root /opt/public
chmod -R 755 /opt/public
echo "Répertoire public configuré."

#User accounts creation step

echo "Création des groupes d'utilisateurs."
if ! grep -q "bastionuser" /etc/group; then
	addgroup bastionuser
fi

if ! grep -q "bastionadmin" /etc/group; then
	addgroup bastionadmin
fi
echo "Fin de la création des groupes d'utilisateurs."

echo "Création des utilisateurs en cours..."
userfile=$(cat /root/scripts/users/bastion_users.txt)
for userinfo in ${userfile}; do
	user=$(echo "${userinfo}" | cut -d ';' -f 1)
	is_bastion=$(echo "${userinfo}" | cut -d ';' -f 2)
	password=$(echo "${userinfo}" | cut -d ';' -f 3)
	setkeys=$(echo "${userinfo}" | cut -d ';' -f 4)

	adduser --disabled-password --gecos "" "${user}" --shell /bin/bash

	if [[ ${is_bastion} -eq "1" ]]; then
		usermod -aG bastionuser "${user}"
	elif [[ ${is_bastion} -eq "0" ]]; then
		usermod -aG bastionadmin "${user}"
		if ! grep -qo "^${user} ALL=(ALL) NOPASSWD:" /etc/sudoers; then
			echo "${user} ALL=(ALL) NOPASSWD: /usr/local/bin/ttyplay*" | sudo EDITOR='tee -a' visudo
			echo "${user} ALL=(ALL) NOPASSWD: /bin/ls*" | sudo EDITOR='tee -a' visudo
		fi
		mkdir /home/"${user}"
		ln -s /opt/public/scripts/server_menu.sh /home/"${user}"/server_menu.sh
	fi

	if [[ ${password} != "0" ]]; then
		echo "${user}:${password}" | chpasswd
	else
		echo "${user}:${user}" | chpasswd
	fi

	if [[ ${setkeys} -eq "1" ]]; then
		mkdir -p /home/"${user}"/.ssh
		chmod 700 /home/"${user}"/.ssh
		cp -r /root/scripts/users/"${user}"/* /home/"${user}"/.ssh/
		chown -R "${user}":"${user}" /home/"${user}"/.ssh
		chmod 600 /home/"${user}"/.ssh/*
	fi
done
echo "Création des utilisateurs terminée."
echo "Monosphere a bien été configuré et démarré avec succès."

echo "Démarrage du service SSHD de Monosphere."
rc-status
rc-service sshd restart

echo "Le bastion Monosphere est désormais en marche."

# Keep the container running
tail -f /dev/null