87 lines
2.6 KiB
Nix
87 lines
2.6 KiB
Nix
{ lib, pkgs, nixpkgs, config, tree, ... }:
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let
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wifiInterface = "shenanigans0";
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wifiMac = "00:0F:55:A8:2B:8E";
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usbethInterface = "shenanigans1";
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usbethMac = "d0:37:45:88:9a:49";
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ssid = "Shenanigans";
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password = "password123";
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in {
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boot.extraModulePackages = with config.boot.kernelPackages; [ rtl8812au ];
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nixpkgs.config.allowBroken = true;
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services.udev.extraRules = ''
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KERNEL=="wlan*", ATTR{address}=="${
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lib.toLower wifiMac
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}", NAME="${wifiInterface}"
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KERNEL=="eth*", ACTION=="add", ATTR{address}=="${
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lib.toLower usbethMac
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}", NAME="${usbethInterface}"
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'';
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networking.interfaces."${wifiInterface}".ipv4.addresses = [{
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address = "192.168.2.1";
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prefixLength = 24;
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}];
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networking.interfaces."${usbethInterface}".ipv4.addresses = [{
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address = "192.168.2.1";
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prefixLength = 24;
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}];
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networking.networkmanager.unmanaged = [
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# Wifi
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"interface-name:${wifiInterface}"
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"mac:${wifiMac}"
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"interface-name:${usbethInterface}"
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"mac:${usbethMac}"
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];
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systemd.services.wifi-relay = let inherit (pkgs) iptables gnugrep;
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in {
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description = "iptables rules for wifi-relay";
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after = [ "dhcpd4.service" ];
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wantedBy = [ "multi-user.target" ];
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script = ''
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${iptables}/bin/iptables -w -t nat -I POSTROUTING -s 192.168.2.0/24 ! -o ${wifiInterface} -j MASQUERADE
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${iptables}/bin/iptables -w -I FORWARD -i ${wifiInterface} -s 192.168.2.0/24 -j ACCEPT
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${iptables}/bin/iptables -w -t nat -I POSTROUTING -s 192.168.2.0/24 ! -o ${usbethInterface} -j MASQUERADE
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${iptables}/bin/iptables -w -I FORWARD -i ${usbethInterface} -s 192.168.2.0/24 -j ACCEPT
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#${iptables}/bin/iptables -t nat -A PREROUTING -i ${wifiInterface} -p tcp --dport 80 -j REDIRECT --to-port 8080
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#${iptables}/bin/iptables -t nat -A PREROUTING -i ${wifiInterface} -p tcp --dport 443 -j REDIRECT --to-port 8080
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'';
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};
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networking.firewall = {
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trustedInterfaces = [ wifiInterface usbethInterface ];
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checkReversePath = lib.mkForce false;
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allowedTCPPorts = [ 53 80 443 ];
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};
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boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
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networking.firewall.allowedUDPPorts = [ 53 67 ];
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services.hostapd = {
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enable = true;
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interface = wifiInterface;
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inherit ssid;
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wpaPassphrase = password;
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};
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services.dhcpd4 = {
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enable = true;
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interfaces = [ "${usbethInterface}" ];
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extraConfig = ''
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subnet 192.168.2.0 netmask 255.255.255.0 {
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range 192.168.2.100 192.168.2.200;
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option subnet-mask 255.255.255.0;
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option broadcast-address 192.168.2.255;
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option routers 192.168.2.1;
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option domain-name-servers 192.168.2.1;
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}
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'';
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};
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}
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