58 lines
3.2 KiB
Desktop File
58 lines
3.2 KiB
Desktop File
[Unit]
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Description=Firewall for Risotto
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After=network.target
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[Service]
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Type=oneshot
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RemainAfterExit=yes
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{% set ns = namespace(has_rules=False, incoming_ports={"tcp": {}, "udp": {}}) %}
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{% for dns in machined.machines %}
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{% set machine = dns|normalize_family %}
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{% set outgoing = machined["machine_" + machine]["outgoing_ports_" + machine] %}
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{% if outgoing %}
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{% set ip = machined["machine_" + machine]["ip_" + machine] %}
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{% for port in outgoing %}
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{% if ":" in port %}
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{% set protocol, port = port.split(":") %}
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{% else %}
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{% set protocol = "tcp" %}
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{% endif %}
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ExecStart=/sbin/iptables -t nat -A POSTROUTING -s {{ ip }} -p {{ protocol }} -m {{ protocol }} --dport {{ port }} -o {{ output_interface }} -j MASQUERADE
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ExecStop=-/sbin/iptables -t nat -D POSTROUTING -s {{ ip }} -p {{ protocol }} -m {{ protocol }} --dport {{ port }} -o {{ output_interface }} -j MASQUERADE
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{% set ns.has_rules = True %}
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{% endfor %}
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{% endif %}
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{% set incoming = machined["machine_" + machine]["incoming_ports_" + machine] %}
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{% for port in incoming %}
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{% if ":" in port %}
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{% set protocol, port = port.split(":") %}
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{% else %}
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{% set protocol = "tcp" %}
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{% endif %}
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{% if port in ns.incoming_ports[protocol] %}
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{% set msg = 'the port "' + port + '" cannot be deployed for multiple machines: "' + dns + '" and "' + ns.incoming_ports[protocol][port] + '"' %}
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{{ msg|raise }}
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{% endif %}
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{% set x=ns.incoming_ports.__getitem__(protocol).__setitem__(port, dns) %}
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{% endfor %}
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{% endfor %}
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{% if not ns.has_rules %}
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ExecStart=/usr/bin/echo "No rule"
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{% endif %}
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#FIXME
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ExecStart=/sbin/iptables-legacy -t nat -A PREROUTING -p tcp -m tcp --dport 53 -m addrtype --dst-type LOCAL -j DNAT --to-destination 5.135.181.125:53
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ExecStart=/sbin/iptables-legacy -t nat -A PREROUTING -p udp -m udp --dport 53 -m addrtype --dst-type LOCAL -j DNAT --to-destination 5.135.181.125:53
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ExecStart=/sbin/iptables-legacy -t nat -A OUTPUT ! -d 127.0.0.0/8 -p tcp -m tcp --dport 53 -m addrtype --dst-type LOCAL -j DNAT --to-destination 5.135.181.125:53
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ExecStart=/sbin/iptables-legacy -t nat -A OUTPUT ! -d 127.0.0.0/8 -p udp -m udp --dport 53 -m addrtype --dst-type LOCAL -j DNAT --to-destination 5.135.181.125:53
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ExecStart=/sbin/iptables-legacy -t nat -A POSTROUTING -o enp3s0 -p tcp -m tcp --dport 53 -j MASQUERADE
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ExecStart=/sbin/iptables-legacy -t nat -A POSTROUTING -o enp3s0 -p udp -m udp --dport 53 -j MASQUERADE
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ExecStop=/sbin/iptables-legacy -t nat -D PREROUTING -p tcp -m tcp --dport 53 -m addrtype --dst-type LOCAL -j DNAT --to-destination 5.135.181.125:53
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ExecStop=/sbin/iptables-legacy -t nat -D PREROUTING -p udp -m udp --dport 53 -m addrtype --dst-type LOCAL -j DNAT --to-destination 5.135.181.125:53
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ExecStop=/sbin/iptables-legacy -t nat -D OUTPUT ! -d 127.0.0.0/8 -p tcp -m tcp --dport 53 -m addrtype --dst-type LOCAL -j DNAT --to-destination 5.135.181.125:53
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ExecStop=/sbin/iptables-legacy -t nat -D OUTPUT ! -d 127.0.0.0/8 -p udp -m udp --dport 53 -m addrtype --dst-type LOCAL -j DNAT --to-destination 5.135.181.125:53
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ExecStop=/sbin/iptables-legacy -t nat -D POSTROUTING -o enp3s0 -p tcp -m tcp --dport 53 -j MASQUERADE
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ExecStop=/sbin/iptables-legacy -t nat -D POSTROUTING -o enp3s0 -p udp -m udp --dport 53 -j MASQUERADE
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#FIXME
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[Install]
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WantedBy=multi-user.target
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