mirror of https://github.com/aredn/aredn.git
98 lines
4.5 KiB
Bash
Executable File
98 lines
4.5 KiB
Bash
Executable File
#!/bin/sh
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<<'LICENSE'
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Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
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Copyright (C) 2020 Joe Ayers
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Copyright (C) 2015 Conrad Lara and Joe Ayers
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See Contributors file for additional contributors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation version 3 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Additional Terms:
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Additional use restrictions exist on the AREDN(TM) trademark and logo.
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See AREDNLicense.txt for more info.
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Attributions to the AREDN Project must be retained in the source code.
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If importing this code into a new or existing project attribution
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to the AREDN project must be added to the source code.
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You must not misrepresent the origin of the material contained within.
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Modified versions must be modified to attribute to the original source
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and be marked in reasonable ways as differentiate it from the original
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version.
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LICENSE
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if [ "$MESHFW_TUNNELS_ENABLED" != "1" ]; then
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exit 0;
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fi
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# In all cases - restart, flush, clear -- it is necessary to clean up any remenant rules to ensure chain order is correct
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nft flush chain ip fw4 forwarding_vpn_rule 2>/dev/null
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nft flush chain ip fw4 input_vpn 2>/dev/null
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nft flush chain ip fw4 accept_vpn 2>/dev/null
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nft flush chain ip fw4 reject_vpn 2>/dev/null
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nft flush chain ip fw4 forward_vpn 2>/dev/null
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nft flush chain ip fw4 accept_to_vpn 2>/dev/null
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nft flush chain ip fw4 reject_to_vpn 2>/dev/null
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nft delete chain ip fw4 forwarding_vpn_rule 2>/dev/null
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nft delete chain ip fw4 input_vpn 2>/dev/null
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nft delete chain ip fw4 accept_vpn 2>/dev/null
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nft delete chain ip fw4 reject_vpn 2>/dev/null
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nft delete chain ip fw4 forward_vpn 2>/dev/null
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nft delete chain ip fw4 accept_to_vpn 2>/dev/null
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nft delete chain ip fw4 reject_to_vpn 2>/dev/null
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echo " * Adding vtun firewall rules..."
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nft add chain ip fw4 forwarding_vpn_rule
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nft add chain ip fw4 input_vpn
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nft add chain ip fw4 accept_vpn
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nft add chain ip fw4 reject_vpn
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nft add chain ip fw4 forward_vpn
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nft add chain ip fw4 accept_to_vpn
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nft add chain ip fw4 reject_to_vpn
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nft insert rule ip fw4 forward iifname "tun*" counter jump forward_vpn
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nft insert rule ip fw4 input iifname "tun*" counter jump input_vpn
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nft insert rule ip fw4 output oifname "tun*" counter jump accept_vpn # instead of creating a output_vpn chain
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nft add rule ip fw4 input_vpn icmp type echo-request counter accept
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nft add rule ip fw4 input_vpn tcp dport 2222 counter accept
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nft add rule ip fw4 input_vpn tcp dport 8080 counter accept
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nft add rule ip fw4 input_vpn tcp dport 80 counter accept
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nft add rule ip fw4 input_vpn udp dport 698 counter accept
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nft add rule ip fw4 input_vpn tcp dport 23 counter accept
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nft add rule ip fw4 input_vpn tcp dport 9090 counter accept
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nft add rule ip fw4 input_vpn udp dport 161 counter accept
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nft add rule ip fw4 input_vpn ct status dnat counter accept comment \"!vtun: Accept port redirections\"
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nft add rule ip fw4 input_vpn counter jump reject_vpn
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nft insert rule ip fw4 forward_vpn counter jump forwarding_vpn_rule
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nft add rule ip fw4 forward_vpn counter jump accept_to_vpn
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if [ "$MESHFW_MESHGW" = "1" ] ; then
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nft insert rule ip fw4 forward_vpn counter jump accept_to_wan
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fi
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nft add rule ip fw4 forward_vpn ct status dnat counter accept comment \"!vtun: Accept port forwards\"
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nft add rule ip fw4 forward_vpn counter jump accept_to_dtdlink
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nft add rule ip fw4 forward_vpn counter jump accept_to_lan
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nft add rule ip fw4 forward_vpn counter jump accept_to_wifi
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nft add rule ip fw4 forward_vpn counter jump reject_to_vpn
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nft add rule ip fw4 accept_vpn oifname "tun*" counter accept
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nft add rule ip fw4 accept_vpn iifname "tun*" counter accept
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nft add rule ip fw4 reject_vpn oifname "tun*" counter reject
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nft add rule ip fw4 reject_vpn iifname "tun*" counter reject
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nft add rule ip fw4 accept_to_vpn oifname "tun*" counter accept
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nft add rule ip fw4 reject_to_vpn oifname "tun*" counter reject
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nft insert rule ip fw4 forward_dtdlink counter jump accept_to_vpn
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nft insert rule ip fw4 forward_wifi counter jump accept_to_vpn
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nft insert rule ip fw4 forward_lan counter jump accept_to_vpn
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