mirror of https://github.com/aredn/aredn.git
55 lines
2.0 KiB
Bash
Executable File
55 lines
2.0 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) 2022 Tim Wilkinson
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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® 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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lan_dhcp_route=$(/sbin/uci -q get aredn.@wan[0].lan_dhcp_route)
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wan=$(grep "wan_intf" /etc/config.mesh/_setup | sed s/^wan_intf\ =\ //)
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case "${lan_dhcp_route}" in
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0)
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# LAN to WAN forwarding is disabled
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# Inserted in reverse order
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# Block traffic forwarding between LAN and local WAN (need this rule if WAN happens to be 10.X or 172.16.X)
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# Allow traffic for mesh-IPs and tun-IPs
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# Block traffic to all other IPs
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nft insert rule ip fw4 forward_lan reject
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nft insert rule ip fw4 forward_lan ip daddr 172.16.0.0/12 accept
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nft insert rule ip fw4 forward_lan ip daddr 10.0.0.0/8 accept
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nft insert rule ip fw4 forward_lan oifname "${wan}" reject
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;;
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*)
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# LAN to WAN okay
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;;
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esac
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