hosts/aubergine/networking.nix

   1 { config, pkgs, lib, hostName, ... }:
   2 let
   3   wifiIface = "wlp5s0";
   4   wwanIface = "wwp0s19u1u3i3"; # usb_modeswitch -W -v 12d1 -p 1573 -u 1
   5   ftthIface = "enp1s0";
   6   eth1Iface = "enp2s0";
   7   eth2Iface = "enp3s0";
   8   eth3Iface = "enp4s0";
   9   wifiIPv4 = "192.168.5";
  10   eth1IPv4 = "192.168.2";
  11   eth2IPv4 = "192.168.3";
  12   eth3IPv4 = "192.168.4";
  13 in
  14 {
  15 imports = [
  16   networking/nftables.nix
  17   ../../nixos/profiles/networking.nix
  18   ../../nixos/profiles/dnscrypt-proxy2.nix
  19   ../../nixos/profiles/wireguard/wg-intra.nix
  20 ];
  21 install.substituteOnDestination = false;
  22 networking.domain = "sourcephile.fr";
  23 networking.useDHCP = false;
  24
  25 boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
  26 networking.nftables.ruleset = lib.mkAfter ''
  27   table inet filter {
  28     chain input {
  29       iifname { ${wwanIface}, ${ftthIface} } jump input-net
  30       iifname { ${wwanIface}, ${ftthIface} } log level warn prefix "input-net: " counter drop
  31
  32       iifname { ${wifiIface}, ${eth1Iface}, ${eth2Iface}, ${eth3Iface} } jump input-lan
  33       iifname { ${wifiIface}, ${eth1Iface}, ${eth2Iface}, ${eth3Iface} } log level warn prefix "input-lan: " counter drop
  34     }
  35     chain output {
  36       oifname { ${wwanIface}, ${ftthIface} } jump output-net
  37       oifname { ${wwanIface}, ${ftthIface} } log level warn prefix "output-net: " counter drop
  38
  39       oifname { ${wifiIface}, ${eth1Iface}, ${eth2Iface}, ${eth3Iface} } jump output-lan
  40       oifname { ${wifiIface}, ${eth1Iface}, ${eth2Iface}, ${eth3Iface} } log level warn prefix "output-lan: " counter drop
  41     }
  42     chain forward-to-net {
  43       #jump forward-connectivity
  44       counter accept
  45     }
  46     chain forward-from-net {
  47       ct state { established, related } accept
  48       log level warn prefix "forward-from-net: " counter drop
  49     }
  50     chain forward {
  51       iifname { ${wifiIface}, ${eth1Iface}, ${eth2Iface}, ${eth3Iface} } oifname { ${wwanIface}, ${ftthIface} } goto forward-to-net
  52       iifname { ${wwanIface}, ${ftthIface} } oifname { ${wifiIface}, ${eth1Iface}, ${eth2Iface}, ${eth3Iface} } goto forward-from-net
  53       log level warn prefix "forward: " counter drop
  54     }
  55   }
  56   table inet nat {
  57     chain postrouting {
  58       iifname { ${wifiIface}, ${eth1Iface}, ${eth2Iface}, ${eth3Iface} } oifname { ${wwanIface}, ${ftthIface} } masquerade
  59     }
  60   }
  61 '';
  62
  63 services.avahi.openFirewall = true;
  64 services.dnscrypt-proxy2.settings.listen_addresses = [
  65   "127.0.0.1:53"
  66   "[::1]:53"
  67   "${wifiIPv4}.1:53"
  68   "${eth1IPv4}.1:53"
  69   "${eth2IPv4}.1:53"
  70   "${eth3IPv4}.1:53"
  71 ];
  72 networking.interfaces = {
  73   ${ftthIface} = {
  74     useDHCP = false;
  75   };
  76   ${wifiIface} = {
  77     useDHCP = false;
  78     ipv4.addresses = [ { address = "${wifiIPv4}.1"; prefixLength = 24; } ];
  79   };
  80   ${eth1Iface} = {
  81     useDHCP = false;
  82     ipv4.addresses = [ { address = "${eth1IPv4}.1"; prefixLength = 24; } ];
  83   };
  84   ${eth2Iface} = {
  85     useDHCP = false;
  86     ipv4.addresses = [ { address = "${eth2IPv4}.1"; prefixLength = 24; } ];
  87   };
  88   ${eth3Iface} = {
  89     useDHCP = false;
  90     ipv4.addresses = [ { address = "${eth3IPv4}.1"; prefixLength = 24; } ];
  91   };
  92 };
  93
  94
  95 systemd.services.dhcpd4 = {
  96   onFailure = [
  97     "network-addresses-${wifiIface}.service"
  98     "network-addresses-${eth1Iface}.service"
  99     "network-addresses-${eth2Iface}.service"
 100     "network-addresses-${eth3Iface}.service"
 101   ];
 102 };
 103 services.dhcpd4 = {
 104   enable = true;
 105   interfaces = [
 106     wifiIface
 107     eth1Iface
 108     eth2Iface
 109     eth3Iface
 110   ];
 111   extraConfig = ''
 112     option subnet-mask 255.255.255.0;
 113
 114     option broadcast-address ${wifiIPv4}.255;
 115     option routers ${wifiIPv4}.1;
 116     option domain-name-servers ${wifiIPv4}.1;
 117     subnet ${wifiIPv4}.0 netmask 255.255.255.0 {
 118       range ${wifiIPv4}.100 ${wifiIPv4}.200;
 119     }
 120
 121     option broadcast-address ${eth1IPv4}.255;
 122     option routers ${eth1IPv4}.1;
 123     option domain-name-servers ${eth1IPv4}.1;
 124     subnet ${eth1IPv4}.0 netmask 255.255.255.0 {
 125       range ${eth1IPv4}.100 ${eth1IPv4}.200;
 126     }
 127
 128     option broadcast-address ${eth2IPv4}.255;
 129     option routers ${eth2IPv4}.1;
 130     option domain-name-servers ${eth2IPv4}.1;
 131     subnet ${eth2IPv4}.0 netmask 255.255.255.0 {
 132       range ${eth2IPv4}.100 ${eth2IPv4}.200;
 133     }
 134
 135     option broadcast-address ${eth3IPv4}.255;
 136     option routers ${eth3IPv4}.1;
 137     option domain-name-servers ${eth3IPv4}.1;
 138     subnet ${eth3IPv4}.0 netmask 255.255.255.0 {
 139       range ${eth3IPv4}.100 ${eth3IPv4}.200;
 140     }
 141   '';
 142 };
 143
 144 systemd.services.NetworkManager.wants = [ "ModemManager.service" ];
 145 networking.networkmanager = {
 146   #enable = true;
 147   unmanaged = [
 148     ftthIface
 149     wifiIface
 150     eth1Iface
 151     eth2Iface
 152     eth3Iface
 153   ];
 154 };
 155 environment.etc."NetworkManager/system-connections/Prixtel.nmconnection" = {
 156   mode = "600";
 157   text = ''
 158     [connection]
 159     id=Prixtel
 160     uuid=b223f550-dff1-4ba3-9755-cd4557faaa5a
 161     type=gsm
 162     autoconnect=true
 163     permissions=user:julm:;
 164
 165     [gsm]
 166     apn=sl2sfr
 167     number=*99#
 168     #home-only=true
 169
 170     [ppp]
 171
 172     [ipv4]
 173     method=auto
 174
 175     [ipv6]
 176     addr-gen-mode=stable-privacy
 177     method=auto
 178
 179     [proxy]
 180   '';
 181 };
 182
 183 networking.wireguard.wg-intra.peers = {
 184   mermet.enable = true;
 185   losurdo.enable = true;
 186   oignon.enable = true;
 187   patate.enable = true;
 188 };
 189
 190 services.openssh.listenAddresses = [
 191   { addr = "${wifiIPv4}.1"; port = 22; }
 192   { addr = "${eth1IPv4}.1"; port = 22; }
 193   { addr = "${eth2IPv4}.1"; port = 22; }
 194   { addr = "${eth3IPv4}.1"; port = 22; }
 195 ];
 196
 197 environment.systemPackages = [
 198   pkgs.iw
 199   pkgs.modem-manager-gui
 200 ];
 201
 202 # iw dev wlp5s0 station dump
 203 # DOC: https://w1.fi/cgit/hostap/plain/hostapd/hostapd.conf
 204 services.hostapd = {
 205   enable = true;
 206   logLevel = 2;
 207   interface = wifiIface;
 208   # 0 means the AP will search for the channel with the least interferences (ACS)
 209   channel = 1;
 210   hwMode = "g";
 211   ssid = hostName;
 212   wpa = false;
 213   #wpaPassphrase = "bidonpoissonmaisonronron";
 214   countryCode = "FR";
 215   extraConfig = ''
 216     # WLAN
 217     beacon_int=100
 218     dtim_period=2 # DTIM (delivery trafic information message)
 219     preamble=1
 220     # limit the frequencies used to those allowed in the country
 221     ieee80211d=1
 222
 223     # WPA2
 224     #wpa_key_mgmt=WPA-PSK
 225     #wpa_pairwise=CCMP
 226     #rsn_pairwise=CCMP
 227     #auth_algs=1 # 0=noauth, 1=wpa, 2=wep, 3=both
 228     macaddr_acl=0
 229     # QoS support, also required for full speed on 802.11n/ac/ax
 230     wmm_enabled=1
 231     eap_reauth_period=360000
 232     wpa_group_rekey=600
 233     wpa_ptk_rekey=600
 234     wpa_gmk_rekey=86400
 235
 236     # N-WLAN
 237     ieee80211n=1
 238     # See Capabilities in iw list
 239     #ht_capab=[HT40+][SHORT-GI-40][DSSS_CCK-40][MAX-AMSDU-3839]
 240     require_ht=1
 241     obss_interval=0
 242
 243     # 802.11ac support
 244     ieee80211ac=0
 245   '';
 246 };
 247 }