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|
{
config,
pkgs,
flakeRoot,
...
}:
let
lib = pkgs.lib;
secrets = config.sops.secrets;
networks = {
"KopsiNet-5" = {
type = "psk";
Security.Passphrase = "@KOPSINET_PSK@";
};
"Pixel_3139" = {
type = "psk";
Security.Passphrase = "@PHONE_HOTSPOT_PSK@";
};
"eduroam" = {
type = "8021x";
Security = {
EAP-Method = [
"TTLS"
"PEAP"
"TLS"
];
EAP-Identity = "mbastaja@tvz.hr";
EAP-AnonymousIdentity = "anonymous@tvz.hr";
DomainSuffixMatch = "freeradius.tvz.hr";
EAP-TTLS-Phase2-Method = "Tunneled-PAP";
};
};
"Students-TVZ" = {
type = "8021x";
Secuirty = {
EAP-Method = "PAP";
EAP-Identity = "mbastaja@tvz.hr";
EAP-PEAP-Phase2-Method = "MSCHAPV2";
EAP-Password = "@EDUROAM_PASS@";
};
};
};
generators = lib.generators;
networkINIGenerator = generators.toINI {
mkKeyValue = generators.mkKeyValueDefault {
mkValueString =
v:
if v == true then
"true"
else if v == false then
"false"
else if builtins.isList v then
pkgs.lib.strings.concatStringsSep "," v
else if builtins.isString v then
"${v}"
else
generators.mkValueStringDefault { } v;
} "=";
};
networkTemplates = lib.attrsets.mapAttrs' (
k: v:
let
textContents = networkINIGenerator (builtins.removeAttrs v [ "type" ]);
name = "${k}.${v.type}";
in
{
inherit name;
value = pkgs.writeTextDir "share/${name}" textContents;
}
) networks;
networkTemplateDir = pkgs.symlinkJoin {
name = "iwd-network-templates";
paths = builtins.attrValues networkTemplates;
};
in
{
imports = [ (flakeRoot + /wireguard.nix) ];
sops = {
age.keyFile = "/var/lib/sops-nix/key.txt";
secrets."wireless.env" = {
sopsFile = ../../secrets/wireless.env;
format = "dotenv";
};
};
networking = {
hostName = "nyaan";
useNetworkd = true;
firewall.enable = false;
nftables = {
enable = true;
tables.filter = {
enable = true;
family = "inet";
content = ''
set temp-ports {
type inet_proto . inet_service
flags interval
comment "Temporarily opened ports"
}
chain rpfilter {
type filter hook prerouting priority mangle + 10; policy drop;
meta nfproto ipv4 udp sport . udp dport { 68 . 67, 67 . 68 } accept comment "DHCPv4 client/server"
fib saddr . mark . iif check exists accept
jump rpfilter-allow
}
chain rpfilter-allow {
}
chain prerouting {
type filter hook prerouting priority mangle;
iifname "wg0" meta mark set 42
}
chain input {
type filter hook input priority filter; policy drop;
iifname "lo" accept comment "trusted interfaces"
icmpv6 type echo-reply accept
ct state vmap { invalid : drop, established : accept, related : accept, new : jump input-allow, untracked : jump input-allow }
}
chain input-allow {
# tcp dport { 22, 80, 443 } accept
udp dport 51820 accept
meta l4proto . th dport @temp-ports accept
icmp type echo-request accept comment "allow ping"
icmpv6 type != { nd-redirect, 139 } accept comment "Accept all ICMPv6 messages except redirects and node information queries (type 139). See RFC 4890, section 4.4."
ip6 daddr fe80::/64 udp dport 546 accept comment "DHCPv6 client"
}
'';
};
};
};
networking.wireless.iwd.enable = true;
systemd.services."prepopulate-iwd-netowks" = {
enable = true;
enableStrictShellChecks = true;
description = "Pre-populates network configs for iwd";
before = [ "iwd.service" ];
wantedBy = [ "iwd.service" ];
serviceConfig = {
EnvironmentFile = "${secrets."wireless.env".path}";
};
path = [ pkgs.envsubst ];
script = ''
rm -r /var/lib/iwd
mkdir -p /var/lib/iwd
for f in ${networkTemplateDir}/share/*; do
cat "$f" |
sed -E 's/@([A-Za-z_][A-Za-z0-9_]*)@/$\{\1}/g' |
envsubst > "/var/lib/iwd/$(basename "$f")"
done
'';
};
}
|
