84 lines
2.8 KiB
Nix
84 lines
2.8 KiB
Nix
{ config, pkgs, ... }:
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with import <stockholm/lib>;
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let
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wifi = "wlp0s29u1u2";
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in {
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boot.extraModulePackages = [
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pkgs.linuxPackages.rtl8814au
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];
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networking.networkmanager.unmanaged = [ wifi "et0" ];
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systemd.services.hostapd = {
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description = "hostapd wireless AP";
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path = [ pkgs.hostapd ];
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wantedBy = [ "network.target" ];
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after = [ "${wifi}-cfg.service" "nat.service" "bind.service" "dhcpd.service" "sys-subsystem-net-devices-${wifi}.device" ];
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serviceConfig = {
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ExecStart = "${pkgs.hostapd}/bin/hostapd ${pkgs.writeText "hostapd.conf" ''
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interface=${wifi}
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hw_mode=a
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channel=36
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ieee80211d=1
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country_code=DE
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ieee80211n=1
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ieee80211ac=1
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wmm_enabled=1
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# 5ghz
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ssid=krebsing
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auth_algs=1
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wpa=2
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wpa_key_mgmt=WPA-PSK
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rsn_pairwise=CCMP
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wpa_passphrase=aidsballz
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''}";
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Restart = "always";
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};
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};
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networking.bridges.br0.interfaces = [
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wifi
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"et0"
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];
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networking.interfaces.br0.ipv4.addresses = [
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{ address = "10.99.0.1"; prefixLength = 24; }
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];
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services.dhcpd4 = {
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enable = true;
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interfaces = [ "br0" ];
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extraConfig = ''
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option subnet-mask 255.255.255.0;
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option routers 10.99.0.1;
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option domain-name-servers 1.1.1.1, 8.8.8.8;
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subnet 10.99.0.0 netmask 255.255.255.0 {
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range 10.99.0.100 10.99.0.200;
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}
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'';
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};
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boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
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krebs.iptables.tables.filter.FORWARD.rules = [
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{ v6 = false; predicate = "-d 10.99.0.0/24 -o br0 -m conntrack --ctstate RELATED,ESTABLISHED"; target = "ACCEPT"; }
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{ v6 = false; predicate = "-s 10.99.0.0/24 -i br0"; target = "ACCEPT"; }
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{ v6 = false; predicate = "-i br0 -o br0"; target = "ACCEPT"; }
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{ v6 = false; predicate = "-i br0 -o br0"; target = "ACCEPT"; }
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{ v6 = false; predicate = "-o br0"; target = "REJECT --reject-with icmp-port-unreachable"; }
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{ v6 = false; predicate = "-i br0"; target = "REJECT --reject-with icmp-port-unreachable"; }
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];
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krebs.iptables.tables.nat.PREROUTING.rules = mkBefore [
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{ v6 = false; predicate = "-s 10.99.0.0/24"; target = "ACCEPT"; }
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];
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krebs.iptables.tables.nat.POSTROUTING.rules = [
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#TODO find out what this is about?
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{ v6 = false; predicate = "-s 10.99.0.0/24 -d 224.0.0.0/24"; target = "RETURN"; }
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{ v6 = false; predicate = "-s 10.99.0.0/24 -d 255.255.255.255"; target = "RETURN"; }
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{ v6 = false; predicate = "-s 10.99.0.0/24 ! -d 10.99.0.0/24"; target = "MASQUERADE"; }
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{ v6 = false; predicate = "-s 10.99.0.0/24 ! -d 10.99.0.0/24 -p tcp"; target = "MASQUERADE --to-ports 1024-65535"; }
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{ v6 = false; predicate = "-s 10.99.0.0/24 ! -d 10.99.0.0/24 -p udp"; target = "MASQUERADE --to-ports 1024-65535"; }
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];
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}
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