Default onion domains

src/freedombone-utils-onion

 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 function wait_for_onion_service {
-	onion_service_name="$1"
-
-	sleep_ctr=0
-	while [ ! -f /var/lib/tor/hidden_service_${onion_service_name}/hostname ]; do
-		sleep 1
-		sleep_ctr=$((sleep_ctr + 1))
-		if [ $sleep_ctr -gt 10 ]; then
-			break
-		fi
-	done
-
-	if [ ! -f /var/lib/tor/hidden_service_${onion_service_name}/hostname ]; then
-		# restart and try a second time
-		systemctl restart tor
-		sleep_ctr=0
-		while [ ! -f /var/lib/tor/hidden_service_${onion_service_name}/hostname ]; do
-			sleep 1
-			sleep_ctr=$((sleep_ctr + 1))
-			if [ $sleep_ctr -gt 10 ]; then
-				break
-			fi
-		done
-	fi
+    onion_service_name="$1"
+
+    sleep_ctr=0
+    while [ ! -f /var/lib/tor/hidden_service_${onion_service_name}/hostname ]; do
+        sleep 1
+        sleep_ctr=$((sleep_ctr + 1))
+        if [ $sleep_ctr -gt 10 ]; then
+            break
+        fi
+    done
+
+    if [ ! -f /var/lib/tor/hidden_service_${onion_service_name}/hostname ]; then
+        # restart and try a second time
+        systemctl restart tor
+        sleep_ctr=0
+        while [ ! -f /var/lib/tor/hidden_service_${onion_service_name}/hostname ]; do
+            sleep 1
+            sleep_ctr=$((sleep_ctr + 1))
+            if [ $sleep_ctr -gt 10 ]; then
+                break
+            fi
+        done
+    fi
 }
 
 function remove_onion_service {
-	onion_service_name="$1"
-	onion_service_port_to=$2
-	sed -i "/hidden_service_${onion_service_name}/d" /etc/tor/torrc
-	sed -i "/127.0.0.1:${onion_service_port_to}/d" /etc/tor/torrc
-	if [ $3 ]; then
-		sed -i "/127.0.0.1:${3}/d" /etc/tor/torrc
-		if [ $4 ]; then
-			sed -i "/127.0.0.1:${4}/d" /etc/tor/torrc
-			if [ $5 ]; then
-				sed -i "/127.0.0.1:${5}/d" /etc/tor/torrc
-			fi
-		fi
-	fi
-	systemctl restart tor
+    onion_service_name="$1"
+    onion_service_port_to=$2
+    sed -i "/hidden_service_${onion_service_name}/d" /etc/tor/torrc
+    sed -i "/127.0.0.1:${onion_service_port_to}/d" /etc/tor/torrc
+    if [ $3 ]; then
+        sed -i "/127.0.0.1:${3}/d" /etc/tor/torrc
+        if [ $4 ]; then
+            sed -i "/127.0.0.1:${4}/d" /etc/tor/torrc
+            if [ $5 ]; then
+                sed -i "/127.0.0.1:${5}/d" /etc/tor/torrc
+            fi
+        fi
+    fi
+    systemctl restart tor
 }
 
 function add_onion_service {
-	onion_service_name="$1"
-	onion_service_port_from=$2
-	onion_service_port_to=$3
-
-	if [ -f /var/lib/tor/hidden_service_${onion_service_name}/hostname ]; then
-		echo $(cat /var/lib/tor/hidden_service_${onion_service_name}/hostname)
-		return
-	fi
-
-	if [ ! -d /var/lib/tor ]; then
-		echo $"No Tor installation found. ${onion_service_name} onion site cannot be configured."
-		exit 877367
-	fi
-	if ! grep -q "hidden_service_${onion_service_name}" /etc/tor/torrc; then
-		echo "HiddenServiceDir /var/lib/tor/hidden_service_${onion_service_name}/" >> /etc/tor/torrc
-		echo "HiddenServicePort ${onion_service_port_from} 127.0.0.1:${onion_service_port_to}" >> /etc/tor/torrc
-	fi
-
-	systemctl restart tor
-
-	function_check wait_for_onion_service
-	wait_for_onion_service ${onion_service_name}
-
-	if [ ! -f /var/lib/tor/hidden_service_${onion_service_name}/hostname ]; then
-		echo $"${onion_service_name} onion site hostname not found"
-		exit 76362
-	fi
-	echo $(cat /var/lib/tor/hidden_service_${onion_service_name}/hostname)
+    onion_service_name="$1"
+    onion_service_port_from=$2
+    onion_service_port_to=$3
+
+    if [ -f /var/lib/tor/hidden_service_${onion_service_name}/hostname ]; then
+        echo $(cat /var/lib/tor/hidden_service_${onion_service_name}/hostname)
+        return
+    fi
+
+    if [ ! -d /var/lib/tor ]; then
+        echo $"No Tor installation found. ${onion_service_name} onion site cannot be configured."
+        exit 877367
+    fi
+    if ! grep -q "hidden_service_${onion_service_name}" /etc/tor/torrc; then
+        echo "HiddenServiceDir /var/lib/tor/hidden_service_${onion_service_name}/" >> /etc/tor/torrc
+        echo "HiddenServicePort ${onion_service_port_from} 127.0.0.1:${onion_service_port_to}" >> /etc/tor/torrc
+    fi
+
+    systemctl restart tor
+
+    function_check wait_for_onion_service
+    wait_for_onion_service ${onion_service_name}
+
+    if [ ! -f /var/lib/tor/hidden_service_${onion_service_name}/hostname ]; then
+        echo $"${onion_service_name} onion site hostname not found"
+        exit 76362
+    fi
+    echo $(cat /var/lib/tor/hidden_service_${onion_service_name}/hostname)
 }
 
 function set_default_onion_domains {
-	# If sites are only visible via Tor then for installation
-	# purposes assign them some default domain names
-	if [[ $ONION_ONLY == "no" ]]; then
-		return
-	fi
-
-	if [ ${#MICROBLOG_DOMAIN_NAME} -gt 1 ]; then
-		MICROBLOG_DOMAIN_NAME='microblog.local'
-	fi
-	if [ ${#FULLBLOG_DOMAIN_NAME} -gt 1 ]; then
-		FULLBLOG_DOMAIN_NAME='blog.local'
-	fi
-	if [ ${#WIKI_DOMAIN_NAME} -gt 1 ]; then
-		WIKI_DOMAIN_NAME='wiki.local'
-	fi
-	if [ ${#DEFAULT_DOMAIN_NAME} -gt 1 ]; then
-		DEFAULT_DOMAIN_NAME="${PROJECT_NAME}.local"
-	fi
-	if [ ${#GIT_DOMAIN_NAME} -gt 1 ]; then
-		GIT_DOMAIN_NAME='git.local'
-	fi
-	if [ ${#MEDIAGOBLIN_DOMAIN_NAME} -gt 1 ]; then
-		MEDIAGOBLIN_DOMAIN_NAME='media.local'
-	fi
+    # If sites are only visible via Tor then for installation
+    # purposes assign them some default domain names
+    if [[ $ONION_ONLY == "no" ]]; then
+        return
+    fi
+
+    MICROBLOG_DOMAIN_NAME='microblog.local'
+    FULLBLOG_DOMAIN_NAME='blog.local'
+    WIKI_DOMAIN_NAME='wiki.local'
+    DEFAULT_DOMAIN_NAME="${PROJECT_NAME}.local"
+    GIT_DOMAIN_NAME='git.local'
+    MEDIAGOBLIN_DOMAIN_NAME='media.local'
 }
 
 function create_avahi_onion_domains {
-	if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
-		return
-	fi
-	if [ ! -d /etc/avahi/services ]; then
-		return
-	fi
-	if [ $MICROBLOG_DOMAIN_NAME ]; then
-		function_check create_avahi_service
-		create_avahi_service microblog http tcp $MICROBLOG_ONION_PORT
-	fi
-	if [ $FULLBLOG_DOMAIN_NAME ]; then
-		function_check create_avahi_service
-		create_avahi_service blog http tcp $BLOG_ONION_PORT
-	fi
-	if [ $GIT_DOMAIN_NAME ]; then
-		function_check create_avahi_service
-		create_avahi_service git http tcp $GIT_ONION_PORT
-	fi
-	if [ $WIKI_DOMAIN_NAME ]; then
-		function_check create_avahi_service
-		create_avahi_service wiki http tcp $WIKI_ONION_PORT
-	fi
+    if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
+        return
+    fi
+    if [ ! -d /etc/avahi/services ]; then
+        return
+    fi
+    if [ $MICROBLOG_DOMAIN_NAME ]; then
+        function_check create_avahi_service
+        create_avahi_service microblog http tcp $MICROBLOG_ONION_PORT
+    fi
+    if [ $FULLBLOG_DOMAIN_NAME ]; then
+        function_check create_avahi_service
+        create_avahi_service blog http tcp $BLOG_ONION_PORT
+    fi
+    if [ $GIT_DOMAIN_NAME ]; then
+        function_check create_avahi_service
+        create_avahi_service git http tcp $GIT_ONION_PORT
+    fi
+    if [ $WIKI_DOMAIN_NAME ]; then
+        function_check create_avahi_service
+        create_avahi_service wiki http tcp $WIKI_ONION_PORT
+    fi
 }
 
 function allow_ssh_to_onion_address {
-	if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
-		return
-	fi
-	if [ ! -d /home/$MY_USERNAME/.ssh ]; then
-		mkdir /home/$MY_USERNAME/.ssh
-	fi
-	if [ ! -d /etc/tor ]; then
-		echo $'Tor not found when updating ssh'
-		exit 528257
-	fi
-	if ! grep -q "onion" /home/$MY_USERNAME/.ssh/config; then
-		echo 'Host *.onion' >> /home/$MY_USERNAME/.ssh/config
-		echo 'ProxyCommand connect -R remote -5 -S 127.0.0.1:9050 %h %p' >> /home/$MY_USERNAME/.ssh/config
-	fi
+    if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
+        return
+    fi
+    if [ ! -d /home/$MY_USERNAME/.ssh ]; then
+        mkdir /home/$MY_USERNAME/.ssh
+    fi
+    if [ ! -d /etc/tor ]; then
+        echo $'Tor not found when updating ssh'
+        exit 528257
+    fi
+    if ! grep -q "onion" /home/$MY_USERNAME/.ssh/config; then
+        echo 'Host *.onion' >> /home/$MY_USERNAME/.ssh/config
+        echo 'ProxyCommand connect -R remote -5 -S 127.0.0.1:9050 %h %p' >> /home/$MY_USERNAME/.ssh/config
+    fi
 }
 
 function enable_ssh_via_onion {
-	if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
-		return
-	fi
-	if grep -Fxq "enable_ssh_via_onion" $COMPLETION_FILE; then
-		return
-	fi
-	apt-get -y install tor connect-proxy
-	if ! grep -q 'Host *.onion' /home/$MY_USERNAME/.ssh/config; then
-		if [ ! -d /home/$MY_USERNAME/.ssh ]; then
-			mkdir /home/$MY_USERNAME/.ssh
-		fi
-		echo 'Host *.onion' >> /home/$MY_USERNAME/.ssh/config
-		echo 'ProxyCommand connect -R remote -5 -S 127.0.0.1:9050 %h %p' >> /home/$MY_USERNAME/.ssh/config
-		chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.ssh
-		chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.ssh/config
-	fi
-	if ! grep -q 'Host *.onion' /root/.ssh/config; then
-		if [ ! -d /root/.ssh ]; then
-			mkdir /root/.ssh
-		fi
-		echo 'Host *.onion' >> /root/.ssh/config
-		echo 'ProxyCommand connect -R remote -5 -S 127.0.0.1:9050 %h %p' >> /root/.ssh/config
-	fi
-	echo 'enable_ssh_via_onion' >> $COMPLETION_FILE
+    if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
+        return
+    fi
+    if grep -Fxq "enable_ssh_via_onion" $COMPLETION_FILE; then
+        return
+    fi
+    apt-get -y install tor connect-proxy
+    if ! grep -q 'Host *.onion' /home/$MY_USERNAME/.ssh/config; then
+        if [ ! -d /home/$MY_USERNAME/.ssh ]; then
+            mkdir /home/$MY_USERNAME/.ssh
+        fi
+        echo 'Host *.onion' >> /home/$MY_USERNAME/.ssh/config
+        echo 'ProxyCommand connect -R remote -5 -S 127.0.0.1:9050 %h %p' >> /home/$MY_USERNAME/.ssh/config
+        chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.ssh
+        chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/.ssh/config
+    fi
+    if ! grep -q 'Host *.onion' /root/.ssh/config; then
+        if [ ! -d /root/.ssh ]; then
+            mkdir /root/.ssh
+        fi
+        echo 'Host *.onion' >> /root/.ssh/config
+        echo 'ProxyCommand connect -R remote -5 -S 127.0.0.1:9050 %h %p' >> /root/.ssh/config
+    fi
+    echo 'enable_ssh_via_onion' >> $COMPLETION_FILE
 }
 
 function configure_ssh_onion {
-	if grep -Fxq "configure_ssh_onion" $COMPLETION_FILE; then
-		return
-	fi
-	if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
-		return
-	fi
-
-	SSH_ONION_HOSTNAME=$(add_onion_service ssh ${SSH_PORT} ${SSH_PORT})
-
-	if ! grep -q "ssh onion domain" $COMPLETION_FILE; then
-		echo "ssh onion domain:${SSH_ONION_HOSTNAME}" >> $COMPLETION_FILE
-	else
-		sed -i "s|ssh onion domain.*|ssh onion domain:${SSH_ONION_HOSTNAME}|g" $COMPLETION_FILE
-	fi
-
-	echo 'configure_ssh_onion' >> $COMPLETION_FILE
+    if grep -Fxq "configure_ssh_onion" $COMPLETION_FILE; then
+        return
+    fi
+    if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
+        return
+    fi
+
+    SSH_ONION_HOSTNAME=$(add_onion_service ssh ${SSH_PORT} ${SSH_PORT})
+
+    if ! grep -q "ssh onion domain" $COMPLETION_FILE; then
+        echo "ssh onion domain:${SSH_ONION_HOSTNAME}" >> $COMPLETION_FILE
+    else
+        sed -i "s|ssh onion domain.*|ssh onion domain:${SSH_ONION_HOSTNAME}|g" $COMPLETION_FILE
+    fi
+
+    echo 'configure_ssh_onion' >> $COMPLETION_FILE
 }
 
 function install_tor {
-	if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
-		return
-	fi
-	if grep -Fxq "install_tor" $COMPLETION_FILE; then
-		return
-	fi
-	apt-get -y install tor
-	if [ ! -f /etc/tor/torrc ]; then
-		echo 'Tor failed to install'
-		exit 38259
-	fi
-	echo 'install_tor' >> $COMPLETION_FILE
+    if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
+        return
+    fi
+    if grep -Fxq "install_tor" $COMPLETION_FILE; then
+        return
+    fi
+    apt-get -y install tor
+    if [ ! -f /etc/tor/torrc ]; then
+        echo 'Tor failed to install'
+        exit 38259
+    fi
+    echo 'install_tor' >> $COMPLETION_FILE
 }
 
 function resolve_dns_via_tor {
-	if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
-		return
-	fi
-	if grep -Fxq "resolve_dns_via_tor" $COMPLETION_FILE; then
-		return
-	fi
-	if [ ! -f /etc/tor/torrc ]; then
-		echo $'tor was not installed'
-		exit 52952
-	fi
-
-	# resolve DNS via tor
-	if ! grep 'DNSPort 53' /etc/tor/torrc; then
-		echo 'DNSPort 53' >> /etc/tor/torrc
-		echo 'AutomapHostsOnResolve 1' >> /etc/tor/torrc
-		echo 'AutomapHostsSuffixes .exit,.onion' >> /etc/tor/torrc
-		systemctl restart tor
-	fi
-
-	# don't change resolv.conf
-	sed -i 's|, domain-name-servers||g' /etc/dhcp/dhclient.conf
-
-	# point resolv.conf to tor
-	echo 'nameserver 127.0.0.1:53' > /etc/resolv.conf
-
-	# prevent resolv.conf from changing
-	chattr +i /etc/resolv.conf
-
-	echo 'resolve_dns_via_tor' >> $COMPLETION_FILE
+    if [[ $SYSTEM_TYPE == "$VARIANT_MESH" ]]; then
+        return
+    fi
+    if grep -Fxq "resolve_dns_via_tor" $COMPLETION_FILE; then
+        return
+    fi
+    if [ ! -f /etc/tor/torrc ]; then
+        echo $'tor was not installed'
+        exit 52952
+    fi
+
+    # resolve DNS via tor
+    if ! grep 'DNSPort 53' /etc/tor/torrc; then
+        echo 'DNSPort 53' >> /etc/tor/torrc
+        echo 'AutomapHostsOnResolve 1' >> /etc/tor/torrc
+        echo 'AutomapHostsSuffixes .exit,.onion' >> /etc/tor/torrc
+        systemctl restart tor
+    fi
+
+    # don't change resolv.conf
+    sed -i 's|, domain-name-servers||g' /etc/dhcp/dhclient.conf
+
+    # point resolv.conf to tor
+    echo 'nameserver 127.0.0.1:53' > /etc/resolv.conf
+
+    # prevent resolv.conf from changing
+    chattr +i /etc/resolv.conf
+
+    echo 'resolve_dns_via_tor' >> $COMPLETION_FILE
 }
 
 # see https://trac.torproject.org/projects/tor/wiki/doc/TransparentProxy
 # Local Redirection and Anonymizing Middlebox
 function route_outgoing_traffic_through_tor {
-	if grep -Fxq "route_outgoing_traffic_through_tor" $COMPLETION_FILE; then
-		return
-	fi
-	if [[ $ROUTE_THROUGH_TOR != "yes" ]]; then
-		return
-	fi
-	apt-get -y install tor tor-arm
-
-	### set variables
-	# Destinations you don't want routed through Tor
-	_non_tor="192.168.1.0/24 192.168.0.0/24"
-
-	# The user that Tor runs as
-	_tor_uid="debian-tor"
-
-	# Tor's TransPort
-	_trans_port="9040"
-
-	# Your internal interface
-	_int_if="eth0"
-
-	### Set iptables *nat
-	iptables -t nat -A OUTPUT -o lo -j RETURN
-	iptables -t nat -A OUTPUT -m owner --uid-owner $_tor_uid -j RETURN
-	iptables -t nat -A OUTPUT -p udp --dport 53 -j REDIRECT --to-ports 53
-
-	# Allow clearnet access for hosts in $_non_tor
-	for _clearnet in $_non_tor; do
-		iptables -t nat -A OUTPUT -d $_clearnet -j RETURN
-		iptables -t nat -A PREROUTING -i $_int_if -d $_clearnet -j RETURN
-	done
-
-	# Redirect all other pre-routing and output to Tor
-	iptables -t nat -A OUTPUT -p tcp --syn -j REDIRECT --to-ports $_trans_port
-	iptables -t nat -A PREROUTING -i $_int_if -p udp --dport 53 -j REDIRECT --to-ports 53
-	iptables -t nat -A PREROUTING -i $_int_if -p tcp --syn -j REDIRECT --to-ports $_trans_port
-
-	### set iptables *filter
-	iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-
-	# Allow clearnet access for hosts in $_non_tor
-	for _clearnet in $_non_tor 127.0.0.0/8; do
-		iptables -A OUTPUT -d $_clearnet -j ACCEPT
-	done
-
-	# Allow only Tor output
-	iptables -A OUTPUT -m owner --uid-owner $_tor_uid -j ACCEPT
-	iptables -A OUTPUT -j REJECT
-
-	function_check save_firewall_settings
-	save_firewall_settings
-
-	if ! grep -q "fs.file-max" /etc/sysctl.conf; then
-		echo "fs.file-max=100000" >> /etc/sysctl.conf
-		/sbin/sysctl -p
-	fi
-
-	echo 'domain localdomain' > /etc/resolv.conf
-	echo 'search localdomain' >> /etc/resolv.conf
-	echo 'nameserver 127.0.0.1' >> /etc/resolv.conf
-
-	if ! grep -q "VirtualAddrNetworkIPv4" /etc/tor/torrc; then
-		echo 'VirtualAddrNetworkIPv4 10.192.0.0/10' >> /etc/tor/torrc
-	fi
-
-	if ! grep -q "AutomapHostsOnResolve" /etc/tor/torrc; then
-		echo 'AutomapHostsOnResolve 1' >> /etc/tor/torrc
-	fi
-
-	if ! grep -q "TransPort" /etc/tor/torrc; then
-		echo 'TransPort 9040' >> /etc/tor/torrc
-	fi
-
-	if ! grep -q "TransListenAddress 127.0.0.1" /etc/tor/torrc; then
-		echo 'TransListenAddress 127.0.0.1' >> /etc/tor/torrc
-	fi
-
-	if ! grep -q "TransListenAddress $LOCAL_NETWORK_STATIC_IP_ADDRESS" /etc/tor/torrc; then
-		echo "TransListenAddress $LOCAL_NETWORK_STATIC_IP_ADDRESS" >> /etc/tor/torrc
-	fi
-
-	if ! grep -q "DNSPort" /etc/tor/torrc; then
-		echo 'DNSPort 53' >> /etc/tor/torrc
-	fi
-
-	if ! grep -q "DNSListenAddress 127.0.0.1" /etc/tor/torrc; then
-		echo 'DNSListenAddress 127.0.0.1' >> /etc/tor/torrc
-	fi
-
-	if ! grep -q "DNSListenAddress $LOCAL_NETWORK_STATIC_IP_ADDRESS" /etc/tor/torrc; then
-		echo "DNSListenAddress $LOCAL_NETWORK_STATIC_IP_ADDRESS" >> /etc/tor/torrc
-	fi
-
-	echo 'route_outgoing_traffic_through_tor' >> $COMPLETION_FILE
+    if grep -Fxq "route_outgoing_traffic_through_tor" $COMPLETION_FILE; then
+        return
+    fi
+    if [[ $ROUTE_THROUGH_TOR != "yes" ]]; then
+        return
+    fi
+    apt-get -y install tor tor-arm
+
+    ### set variables
+    # Destinations you don't want routed through Tor
+    _non_tor="192.168.1.0/24 192.168.0.0/24"
+
+    # The user that Tor runs as
+    _tor_uid="debian-tor"
+
+    # Tor's TransPort
+    _trans_port="9040"
+
+    # Your internal interface
+    _int_if="eth0"
+
+    ### Set iptables *nat
+    iptables -t nat -A OUTPUT -o lo -j RETURN
+    iptables -t nat -A OUTPUT -m owner --uid-owner $_tor_uid -j RETURN
+    iptables -t nat -A OUTPUT -p udp --dport 53 -j REDIRECT --to-ports 53
+
+    # Allow clearnet access for hosts in $_non_tor
+    for _clearnet in $_non_tor; do
+        iptables -t nat -A OUTPUT -d $_clearnet -j RETURN
+        iptables -t nat -A PREROUTING -i $_int_if -d $_clearnet -j RETURN
+    done
+
+    # Redirect all other pre-routing and output to Tor
+    iptables -t nat -A OUTPUT -p tcp --syn -j REDIRECT --to-ports $_trans_port
+    iptables -t nat -A PREROUTING -i $_int_if -p udp --dport 53 -j REDIRECT --to-ports 53
+    iptables -t nat -A PREROUTING -i $_int_if -p tcp --syn -j REDIRECT --to-ports $_trans_port
+
+    ### set iptables *filter
+    iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
+
+    # Allow clearnet access for hosts in $_non_tor
+    for _clearnet in $_non_tor 127.0.0.0/8; do
+        iptables -A OUTPUT -d $_clearnet -j ACCEPT
+    done
+
+    # Allow only Tor output
+    iptables -A OUTPUT -m owner --uid-owner $_tor_uid -j ACCEPT
+    iptables -A OUTPUT -j REJECT
+
+    function_check save_firewall_settings
+    save_firewall_settings
+
+    if ! grep -q "fs.file-max" /etc/sysctl.conf; then
+        echo "fs.file-max=100000" >> /etc/sysctl.conf
+        /sbin/sysctl -p
+    fi
+
+    echo 'domain localdomain' > /etc/resolv.conf
+    echo 'search localdomain' >> /etc/resolv.conf
+    echo 'nameserver 127.0.0.1' >> /etc/resolv.conf
+
+    if ! grep -q "VirtualAddrNetworkIPv4" /etc/tor/torrc; then
+        echo 'VirtualAddrNetworkIPv4 10.192.0.0/10' >> /etc/tor/torrc
+    fi
+
+    if ! grep -q "AutomapHostsOnResolve" /etc/tor/torrc; then
+        echo 'AutomapHostsOnResolve 1' >> /etc/tor/torrc
+    fi
+
+    if ! grep -q "TransPort" /etc/tor/torrc; then
+        echo 'TransPort 9040' >> /etc/tor/torrc
+    fi
+
+    if ! grep -q "TransListenAddress 127.0.0.1" /etc/tor/torrc; then
+        echo 'TransListenAddress 127.0.0.1' >> /etc/tor/torrc
+    fi
+
+    if ! grep -q "TransListenAddress $LOCAL_NETWORK_STATIC_IP_ADDRESS" /etc/tor/torrc; then
+        echo "TransListenAddress $LOCAL_NETWORK_STATIC_IP_ADDRESS" >> /etc/tor/torrc
+    fi
+
+    if ! grep -q "DNSPort" /etc/tor/torrc; then
+        echo 'DNSPort 53' >> /etc/tor/torrc
+    fi
+
+    if ! grep -q "DNSListenAddress 127.0.0.1" /etc/tor/torrc; then
+        echo 'DNSListenAddress 127.0.0.1' >> /etc/tor/torrc
+    fi
+
+    if ! grep -q "DNSListenAddress $LOCAL_NETWORK_STATIC_IP_ADDRESS" /etc/tor/torrc; then
+        echo "DNSListenAddress $LOCAL_NETWORK_STATIC_IP_ADDRESS" >> /etc/tor/torrc
+    fi
+
+    echo 'route_outgoing_traffic_through_tor' >> $COMPLETION_FILE
 }
 
 # NOTE: deliberately no exit 0