create gateway profile by extracting from rotuer example
This commit is contained in:
Daniel Barlow
parent
0a820a702a
commit
9263b21faa
4 changed files with 235 additions and 151 deletions
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@ -12,6 +12,7 @@
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...
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}: let
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secrets = import ./extneder-secrets.nix;
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svc = config.system.service;
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in rec {
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boot = {
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tftp = {
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@ -23,6 +24,7 @@ in rec {
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imports = [
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"${modulesPath}/profiles/wap.nix"
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"${modulesPath}/vlan"
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"${modulesPath}/ssh"
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];
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hostname = "extneder";
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@ -45,6 +47,7 @@ in rec {
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};
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};
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services.sshd = svc.ssh.build {};
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users.root.passwd = lib.mkForce secrets.root.passwd;
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defaultProfile.packages = with pkgs; [nftables strace tcpdump swconfig];
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}
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@ -6,23 +6,18 @@
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# problems.
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{ config, pkgs, lib, ... } :
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{ config, pkgs, lib, modulesPath, ... } :
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let
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secrets = {
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domainName = "fake.liminix.org";
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firewallRules = {};
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} // (import ./rotuer-secrets.nix);
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inherit (pkgs.liminix.services) oneshot longrun bundle;
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inherit (pkgs.liminix.services) oneshot bundle;
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inherit (pkgs) serviceFns;
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svc = config.system.service;
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wirelessConfig = {
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country_code = "GB";
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inherit (secrets) wpa_passphrase;
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auth_algs = 1; # 1=wpa2, 2=wep, 3=both
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wpa = 2; # 1=wpa, 2=wpa2, 3=both
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wpa_key_mgmt = "WPA-PSK";
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wpa_pairwise = "TKIP CCMP"; # auth for wpa (may not need this?)
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rsn_pairwise = "CCMP"; # auth for wpa2
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wmm_enabled = 1;
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};
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@ -36,39 +31,55 @@ in rec {
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};
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imports = [
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../modules/wlan.nix
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../modules/network
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../modules/ppp
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../modules/dnsmasq
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../modules/dhcp6c
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../modules/firewall
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../modules/hostapd
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../modules/bridge
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../modules/ntp
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../modules/schnapps
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../modules/ssh
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../modules/outputs/btrfs.nix
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../modules/outputs/extlinux.nix
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"${modulesPath}/profiles/gateway.nix"
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"${modulesPath}/schnapps"
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"${modulesPath}/outputs/btrfs.nix"
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"${modulesPath}/outputs/extlinux.nix"
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];
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hostname = "rotuer";
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rootfsType = "btrfs";
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rootOptions = "subvol=@";
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boot.loader.extlinux.enable = true;
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services.hostap = svc.hostapd.build {
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profile.gateway = {
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lan = {
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interfaces = with config.hardware.networkInterfaces;
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[
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wlan wlan5
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lan0 lan1 lan2 lan3 lan4
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];
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inherit (secrets.lan) prefix;
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address = {
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family = "inet"; address ="${secrets.lan.prefix}.1"; prefixLength = 24;
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};
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dhcp = {
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start = 10;
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end = 240;
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hosts = { } // lib.optionalAttrs (builtins.pathExists ./static-leases.nix) (import ./static-leases.nix);
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localDomain = "lan";
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};
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};
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wan = {
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interface = config.hardware.networkInterfaces.wan;
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username = secrets.l2tp.name;
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password = secrets.l2tp.password;
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dhcp6.enable = true;
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};
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firewall = {
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enable = true;
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rules =
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let defaults = import ./demo-firewall.nix;
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in lib.recursiveUpdate defaults secrets.firewallRules;
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};
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wireless.networks = {
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"${secrets.ssid}" = {
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interface = config.hardware.networkInterfaces.wlan;
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params = {
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ssid = secrets.ssid;
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hw_mode="g";
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channel = "2";
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ieee80211n = 1;
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} // wirelessConfig;
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};
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services.hostap5 = svc.hostapd.build {
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"${secrets.ssid}5" = rec {
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interface = config.hardware.networkInterfaces.wlan5;
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params = rec {
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ssid = "${secrets.ssid}5";
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hw_mode="a";
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channel = 36;
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ht_capab = "[HT40+]";
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@ -78,23 +89,6 @@ in rec {
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ieee80211ac = 1;
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} // wirelessConfig;
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};
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services.int = svc.network.address.build {
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interface = svc.bridge.primary.build { ifname = "int"; };
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family = "inet"; address ="${secrets.lan.prefix}.1"; prefixLength = 24;
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};
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services.bridge = svc.bridge.members.build {
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primary = services.int;
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members = with config.hardware.networkInterfaces;
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[ wlan
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wlan5
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lan0
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lan1
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lan2
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lan3
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lan4
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];
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};
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services.ntp = svc.ntp.build {
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@ -106,95 +100,6 @@ in rec {
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users.root = secrets.root;
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services.dns =
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let interface = services.int;
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in svc.dnsmasq.build {
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resolvconf = services.resolvconf;
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inherit interface;
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ranges = [
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"${secrets.lan.prefix}.10,${secrets.lan.prefix}.240"
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# ra-stateless: sends router advertisements with the O and A
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# bits set, and provides a stateless DHCP service. The client
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# will use a SLAAC address, and use DHCP for other
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# configuration information.
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"::,constructor:$(output ${interface} ifname),ra-stateless"
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];
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# You can add static addresses for the DHCP server here. I'm
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# not putting my actual MAC addresses in a public git repo ...
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hosts = { } // lib.optionalAttrs (builtins.pathExists ./static-leases.nix) (import ./static-leases.nix);
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upstreams = [ "/${secrets.domainName}/" ];
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domain = secrets.domainName;
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};
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services.wan = svc.pppoe.build {
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interface = config.hardware.networkInterfaces.wan;
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ppp-options = [
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"debug" "+ipv6" "noauth"
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"name" secrets.l2tp.name
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"password" secrets.l2tp.password
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];
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};
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services.resolvconf = oneshot rec {
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dependencies = [ services.wan ];
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name = "resolvconf";
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up = ''
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. ${serviceFns}
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( in_outputs ${name}
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echo "nameserver $(output ${services.wan} ns1)" > resolv.conf
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echo "nameserver $(output ${services.wan} ns2)" >> resolv.conf
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chmod 0444 resolv.conf
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)
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'';
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};
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filesystem =
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let inherit (pkgs.pseudofile) dir symlink;
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in dir {
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etc = dir {
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"resolv.conf" = symlink "${services.resolvconf}/.outputs/resolv.conf";
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};
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};
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services.defaultroute4 = svc.network.route.build {
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via = "$(output ${services.wan} address)";
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target = "default";
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dependencies = [ services.wan ];
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};
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services.defaultroute6 = svc.network.route.build {
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via = "$(output ${services.wan} ipv6-peer-address)";
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target = "default";
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interface = services.wan;
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};
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services.firewall = svc.firewall.build {
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ruleset =
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let defaults = import ./demo-firewall.nix;
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in lib.recursiveUpdate defaults secrets.firewallRules;
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};
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services.packet_forwarding = svc.network.forward.build { };
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services.dhcp6c =
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let client = svc.dhcp6c.client.build {
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interface = services.wan;
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};
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in bundle {
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name = "dhcp6c";
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contents = [
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(svc.dhcp6c.prefix.build {
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inherit client;
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interface = services.int;
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})
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(svc.dhcp6c.address.build {
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inherit client;
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interface = services.wan;
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})
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];
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};
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defaultProfile.packages = with pkgs; [
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min-collect-garbage
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nftables
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178
modules/profiles/gateway.nix
Normal file
178
modules/profiles/gateway.nix
Normal file
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@ -0,0 +1,178 @@
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{ config, pkgs, lib, ... } :
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let
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svc = config.system.service;
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cfg = config.profile.gateway;
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inherit (lib) mkOption mkEnableOption mkIf mdDoc types optional optionals;
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inherit (pkgs) liminix serviceFns;
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inherit (liminix.services) bundle oneshot;
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hostaps =
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let
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defaults = {
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auth_algs = 1; # 1=wpa2, 2=wep, 3=both
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wpa = 2; # 1=wpa, 2=wpa2, 3=both
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wpa_key_mgmt = "WPA-PSK";
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wpa_pairwise = "TKIP CCMP"; # auth for wpa (may not need this?)
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rsn_pairwise = "CCMP"; # auth for wpa2
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};
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in lib.mapAttrs'
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(name : value :
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let
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attrs = defaults // { ssid = name; } // value;
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in lib.nameValuePair
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"hostap-${name}"
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(svc.hostapd.build {
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interface = attrs.interface;
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params = lib.filterAttrs (k: v: k != "interface") attrs;
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}))
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cfg.wireless.networks;
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in {
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options.profile.gateway = {
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lan = {
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interfaces = mkOption {
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type = types.listOf liminix.lib.types.interface;
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default = [];
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};
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address = mkOption {
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type = types.attrs;
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};
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prefix = mkOption { type = types.str; };
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dhcp = {
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start = mkOption { type = types.int; };
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end = mkOption { type = types.int; };
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hosts = mkOption { type = types.attrs; };
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localDomain = mkOption { type = types.str; };
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};
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};
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firewall = {
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enable = mkEnableOption "firewall";
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rules = mkOption { type = types.attrsOf types.attrs; };
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};
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wan = {
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interface = mkOption { type = liminix.lib.types.interface; };
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username = mkOption { type = types.str; };
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password = mkOption { type = types.str; };
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dhcp6.enable = mkOption { type = types.bool; };
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};
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wireless = mkOption {
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type = types.attrsOf types.anything;
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};
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};
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imports = [
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../wlan.nix
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../network
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../ppp
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../dnsmasq
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../dhcp6c
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../firewall
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../hostapd
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../bridge
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../ntp
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../ssh
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{ config.services = hostaps; }
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];
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config = {
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services.int = svc.network.address.build ({
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interface = svc.bridge.primary.build { ifname = "int"; };
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} // cfg.lan.address);
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services.bridge = svc.bridge.members.build {
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primary = config.services.int;
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members = cfg.lan.interfaces;
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};
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services.wan = svc.pppoe.build {
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inherit (cfg.wan) interface;
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ppp-options = [
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"debug" "+ipv6" "noauth"
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"name" cfg.wan.username
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"password" cfg.wan.password
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];
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};
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services.packet_forwarding = svc.network.forward.build { };
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services.dhcp6c =
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let
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client = svc.dhcp6c.client.build {
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interface = config.services.wan;
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};
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bundl = bundle {
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name = "dhcp6c";
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contents = [
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(svc.dhcp6c.prefix.build {
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inherit client;
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interface = config.services.int;
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})
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(svc.dhcp6c.address.build {
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inherit client;
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interface = config.services.wan;
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})
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];
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};
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in mkIf cfg.wan.dhcp6.enable bundl;
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services.dns =
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let interface = config.services.int;
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dcfg = cfg.lan.dhcp;
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in svc.dnsmasq.build {
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resolvconf = config.services.resolvconf;
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inherit interface;
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ranges = [
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"${cfg.lan.prefix}.${toString dcfg.start},${cfg.lan.prefix}.${toString dcfg.end}"
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# ra-stateless: sends router advertisements with the O and A
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# bits set, and provides a stateless DHCP service. The client
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# will use a SLAAC address, and use DHCP for other
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# configuration information.
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"::,constructor:$(output ${interface} ifname),ra-stateless"
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];
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hosts = dcfg.hosts;
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upstreams = [ "/${dcfg.localDomain}/" ];
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domain = dcfg.localDomain;
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};
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services.defaultroute4 = svc.network.route.build {
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via = "$(output ${config.services.wan} address)";
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target = "default";
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dependencies = [ config.services.wan ];
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};
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services.defaultroute6 = svc.network.route.build {
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via = "$(output ${config.services.wan} ipv6-peer-address)";
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target = "default";
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interface = config.services.wan;
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};
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services.firewall = mkIf cfg.firewall.enable
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(svc.firewall.build {
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ruleset = cfg.firewall.rules;
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});
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services.resolvconf = oneshot rec {
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dependencies = [ config.services.wan ];
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name = "resolvconf";
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up = ''
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. ${serviceFns}
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( in_outputs ${name}
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echo "nameserver $(output ${config.services.wan} ns1)" > resolv.conf
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echo "nameserver $(output ${config.services.wan} ns2)" >> resolv.conf
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chmod 0444 resolv.conf
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)
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'';
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};
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filesystem =
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let inherit (pkgs.pseudofile) dir symlink;
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in dir {
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etc = dir {
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"resolv.conf" = symlink "${config.services.resolvconf}/.outputs/resolv.conf";
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};
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};
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};
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}
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@ -40,7 +40,6 @@ in {
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../network
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../hostapd
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../bridge
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../ssh
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{ config.services = hostaps; }
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];
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@ -54,7 +53,6 @@ in {
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};
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};
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config = {
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services.sshd = svc.ssh.build {};
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services.int = svc.bridge.primary.build {
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ifname = "int";
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