#!/usr/bin/env bash
echo "============================================"
echo "Initial setup..."
echo "============================================"
set -e
set -o pipefail
export DEBIAN_FRONTEND=noninteractive

apt-get -y update
apt-get -y upgrade
apt-get install -y -q vsftpd ftp sudo wordpress curl default-mysql-server apache2
echo "root:6n4nC-j_@Txb6k*A"  | /usr/sbin/chpasswd
echo "baldur:mjolnir" | /usr/sbin/chpasswd

echo "============================================"
echo "Setting up FTP..."
echo "============================================"
mkdir -p /home/baldur/Uploads
touch /home/baldur/Uploads/todo.txt
echo "list of things i need to do for the new blog:" > /home/baldur/Uploads/todo.txt
echo "- laura told me there was a vulnerability and i might get hacked? haha as if anyone is going to hack a blog about nordic mythology" >> /home/baldur/Uploads/todo.txt
echo "- get snorri sturluson biography from library, write review" >> /home/baldur/Uploads/todo.txt
echo "- find some cool nordic mythology fan theories to write about" >> /home/baldur/Uploads/todo.txt
echo "- the nordic name for the world tree might not have been the most creative name for the blog. might try and think of a new one" >> /home/baldur/Uploads/todo.txt
sed -i "s/anonymous_enable=NO/anonymous_enable=YES/g" /etc/vsftpd.conf
sed -i "s/local_enable=YES/local_enable=NO/g" /etc/vsftpd.conf
sed -i "/^local_root=/d" /etc/vsftpd.conf
# make sure that this does not add any trailing spaces
echo "chroot_local_user=YES" >> /etc/vsftpd.conf
echo "anon_root=/home/baldur/Uploads" >> /etc/vsftpd.conf
systemctl restart vsftpd
echo "FTP successfully set up!"

echo "============================================"
echo "Setting up Wordpress..."
echo "============================================"
curl https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar -o /tmp/wp-cli.phar
chmod +x /tmp/wp-cli.phar
mv /tmp/wp-cli.phar /usr/local/bin/wp
/usr/local/bin/wp cli update
mkdir -p /var/www/yggdrasil
chmod 777 /var/www/yggdrasil
su baldur -c 'wp core download --path=/var/www/yggdrasil'
mysql -u root -p6n4nC-j_@Txb6k*A -e "CREATE USER wordpress@localhost;"
mysql -u root -p6n4nC-j_@Txb6k*A -e "SET PASSWORD FOR wordpress@localhost= PASSWORD('JXakuf5DzA3q7nnj');"
mysql -u root -p6n4nC-j_@Txb6k*A -e "CREATE DATABASE wordpress character set utf8 collate utf8_bin;"
mysql -u root -p6n4nC-j_@Txb6k*A -e "GRANT ALL PRIVILEGES ON wordpress.* TO wordpress@localhost IDENTIFIED BY 'JXakuf5DzA3q7nnj';"
mysql -u root -p6n4nC-j_@Txb6k*A -e "FLUSH PRIVILEGES;"
sed -i 's/DocumentRoot \/var\/www\/html/DocumentRoot \/var\/www/g' /etc/apache2/sites-enabled/000-default.conf
sed -i "s/Options Indexes FollowSymLinks/Options FollowSymLinks/g" /etc/apache2/apache2.conf
sudo -u baldur -i -- wp config create --dbname=wordpress --dbuser=wordpress --dbpass=JXakuf5DzA3q7nnj --path=/var/www/yggdrasil
IP=$(ip a|grep 'inet'|grep -v '127.0.0.1'|cut -d: -f2|awk '{print $2}'|cut -d/ -f1|tr -d '[:space:]')
sudo -u baldur -i -- wp core install --title=Yggdrasil --admin_user=wordpress --admin_password=JXakuf5DzA3q7nnj --admin_email=wordpress@freya.com --url="http://${IP}/yggdrasil" --path=/var/www/yggdrasil
sudo -u baldur -i -- wp option update home "http://${IP}/yggdrasil" --path=/var/www/yggdrasil
sudo -u baldur -i -- wp theme activate twentyseventeen --path=/var/www/yggdrasil

# irgendwie 'norse ipsum' mit einbinden(oder nicht, nicht so wichtig)
# wp post create --post_type=post --post_title="Norse Ipsum" --post_status=publish

# VULNERABLE PLUGIN
wp plugin install social-warfare --version=3.5.1 --activate --path=/var/www/yggdrasil --allow-root

# diesen teil am ende des wp setups lassen
chown -R www-data:www-data /var/www/yggdrasil
chmod 774 /var/www/yggdrasil
mysql_secure_installation <<EOF
n
y
y
y
y
EOF
/etc/init.d/apache2 restart

# WWW-DATA TO BALDUR
echo "============================================"
echo "Set up PrivEsc from www-data to baldur..."
echo "============================================"
chmod 644 /etc/shadow

# POST EXPLOIT
echo "============================================"
echo "Set up cronjob for Post-Exploit..."
echo "============================================"
mkdir -p /opt/freya
touch /opt/freya/log.py
touch /opt/freya/script.sh
echo "echo \"Do something...\"" > /opt/freya/script.sh
printf '#!/usr/bin/python\n\n' > /opt/freya/log.py
printf 'import os\nimport socket\n\n' >> /opt/freya/log.py
printf '# TODO actually add in socket functionality\n' >> /opt/freya/log.py
printf 's = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n\n' >> /opt/freya/log.py
printf 'os.system("./script.sh")\n' >> /opt/freya/log.py
chmod +x /opt/freya/log.py
chmod +x /opt/freya/script.sh
chmod 666 /usr/lib/python2.7/socket.py
# some false flags
chmod 666 /usr/lib/python2.7/abc.py
chmod 666 /usr/lib/python2.7/ast.py
chmod 666 /usr/lib/python2.7/base64.py
chmod 666 /usr/lib/python2.7/bdb.py
chmod 666 /usr/lib/python2.7/code.py
chmod 666 /usr/lib/python2.7/dis.py
chmod 666 /usr/lib/python2.7/fileinput.py
chmod 666 /usr/lib/python2.7/glob.py
chmod 666 /usr/lib/python2.7/hmac.py
chmod 666 /usr/lib/python2.7/htmllib.py
chmod 666 /usr/lib/python2.7/io.py
chmod 666 /usr/lib/python2.7/mimify.py
chmod 666 /usr/lib/python2.7/pipes.py
chmod 666 /usr/lib/python2.7/popen2.py
chmod 666 /usr/lib/python2.7/random.py
TEMPFILE=$(mktemp)
echo "*/1 * * * * /opt/freya/log.py" >> ${TEMPFILE}
crontab ${TEMPFILE}
rm ${TEMPFILE}

echo "Freya has successfully been set up!"