#! /sbin/nft -f

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

# Copyright © 2018-2019 Hugo Levy-Falk <hugo@klafyvel.me>

table ip nat {

	set radius_federez {
		type ipv4_addr
		elements = { 195.154.165.76, 185.230.78.47 }
	}

	chain fwd_aurelian_pinet{
		# +-----------------------------------------------------+
		# +           asyncnomi port forwarding table           +
		# +------------+------+-----------+-------------+-------+
		# |  Service   | Port | Protocole |     IP      |  Fwd  |
		# +------------+------+-----------+-------------+-------|
		# | EDT 1      | 8000 | Both      | 10.69.9.231 | 52000 |
		# | EDT 2      | 8001 | Both      | 10.69.9.231 | 52001 |
		# | PLYST      | 8002 | Both      | 10.69.9.231 | 52002 |
		# | SSH        |   22 | Both      | 10.69.9.231 | 52003 |
		# | BF         |   80 | Both      | 10.69.9.231 | 52004 |
		# | MediaVault | 2000 | Both      | 10.69.9.231 | 52005 |
		# | E2EE 1     | 6000 | TCP       | 10.69.9.231 | 52006 |
		# | E2EE 2     | 6001 | TCP       | 10.69.9.231 | 52007 |
		# | E2EE 3     | 6002 | TCP       | 10.69.9.231 | 52008 |
		# | Spare 1    | 2001 | Both      | 10.69.9.231 | 52009 |
		# | Spare 2    | 2002 | Both      | 10.69.9.231 | 52010 |
		# | SSH        |   22 | Both      | 10.69.9.232 | 52011 |
		# | E2EE 1     | 6000 | TCP       | 10.69.9.232 | 52012 |
		# | E2EE 2     | 6001 | TCP       | 10.69.9.232 | 52013 |
		# | E2EE 3     | 6002 | TCP       | 10.69.9.232 | 52014 |
		# | Spare 1    | 2001 | Both      | 10.69.9.232 | 52015 |
		# | Spare 2    | 2002 | Both      | 10.69.9.232 | 52016 |
		# +------------+------+-----------+-------------+-------+
		tcp dport 52000 dnat to 10.69.9.231:8000 # EDT 1 tcp
		udp dport 52000 dnat to 10.69.9.231:8000 # EDT 1 udp
		tcp dport 52001 dnat to 10.69.9.231:8001 # EDT 2 tcp
		udp dport 52001 dnat to 10.69.9.231:8001 # EDT 2 tcp
		tcp dport 52002 dnat to 10.69.9.231:8002 # PLYST tcp
		udp dport 52002 dnat to 10.69.9.231:8002 # PLYST udp
		tcp dport 52003 dnat to 10.69.9.231:22   # SSH tcp
		udp dport 52003 dnat to 10.69.9.231:22   # SSH udp
		tcp dport 52004 dnat to 10.69.9.231:80   # BF tcp
		udp dport 52004 dnat to 10.69.9.231:80   # BF udp
		tcp dport 52005 dnat to 10.69.9.231:2000 # MediaVault tcp
		udp dport 52005 dnat to 10.69.9.231:2000 # MediaVault udp
		tcp dport 52006 dnat to 10.69.9.231:6000 # E2EE 1
		tcp dport 52007 dnat to 10.69.9.231:6001 # E2EE 1
		tcp dport 52008 dnat to 10.69.9.231:6002 # E2EE 1
		tcp dport 52009 dnat to 10.69.9.231:2001 # Spare 1 tcp
		udp dport 52009 dnat to 10.69.9.231:2001 # Spare 1 udp
		tcp dport 52010 dnat to 10.69.9.231:2002 # Spare 2 tcp
		udp dport 52010 dnat to 10.69.9.231:2002 # Spare 2 udp

		tcp dport 52011 dnat to 10.69.9.232:22   # SSH tcp
		udp dport 52011 dnat to 10.69.9.232:22   # SSH udp
		tcp dport 52012 dnat to 10.69.9.232:6000 # E2EE 1
		tcp dport 52013 dnat to 10.69.9.232:6001 # E2EE 1
		tcp dport 52014 dnat to 10.69.9.232:6002 # E2EE 1
		tcp dport 52015 dnat to 10.69.9.232:2001 # Spare 1 tcp
		udp dport 52015 dnat to 10.69.9.232:2001 # Spare 1 udp
		tcp dport 52016 dnat to 10.69.9.232:2002 # Spare 2 tcp
		udp dport 52016 dnat to 10.69.9.232:2002 # Spare 2 udp
	}


	chain prerouting {
		type nat hook prerouting priority 0;
		ip saddr $range_prerezotage ip daddr != { $intranet, $comnpay, $website } tcp dport {http,https} dnat $bounce_server;

		# Serveur de Mohammed Ziani
		meta iif $if_supelec ip daddr $ip_self_public tcp dport 51000 counter dnat to 10.69.3.116:22
		meta iif $if_supelec ip daddr $ip_self_public tcp dport 51001 counter dnat to 10.69.3.116:80
		meta iif $if_supelec ip daddr $ip_self_public tcp dport 51002 counter dnat to 10.69.3.116:443

		# Serveur de Aurélian Pinet
		meta iif $if_supelec ip daddr $ip_self_public tcp dport 52000-52016 jump fwd_aurelian_pinet
		meta iif $if_supelec ip daddr $ip_self_public udp dport 52000-52016 jump fwd_aurelian_pinet

		#ip saddr @radius_federez ip daddr $ip_self_public tcp dport { 636, 389 } dnat $ip_radius;
		#ip saddr @radius_federez ip daddr $ip_self_public udp dport { 636, 1812 } dnat $ip_radius;
	}


	chain postrouting {
		type nat hook postrouting priority 100

		meta oifname != $if_supelec return

		#ip saddr $ip_radius ip daddr @radius_federez tcp dport { 636, 389} snat to $ip_self_public
		#ip saddr $ip_radius ip daddr @radius_federez udp dport { 636, 1812 } snat to $ip_self_public

		ip daddr != {10.0.0.0/8, $range_public} ip saddr vmap {
			$range_adherent : goto adherent_nat,
			$range_admin : goto admin_nat,
			$range_new_admin : goto admin_nat,
			$range_federez : goto federez_nat,
			$range_aloes : goto aloes_nat,
			$range_prerezotage : goto prerezotage_nat
		}

		ip daddr != {10.0.0.0/8, $range_public} ip saddr != $range_public snat to $ip_self_public
	}

}