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|
{ config, lib, ... }:
let
# { any } -> (string -> any -> string) -> string
mapAttrsStrings = attrs: f: lib.concatStrings (lib.mapAttrsToList f attrs);
bracket = title: content:
''
${title} {
'' + content + ''
}
'';
in {
boot.kernel.sysctl = { "net.ipv4.conf.all.forwarding" = true; };
networking = {
nftables = {
enable = true;
checkRuleset = false;
ruleset = mapAttrsStrings (import ./ruleset.nix {
inherit lib;
nets = config.personal.networking.networks;
}) (family: tables:
mapAttrsStrings tables (tableName:
{ flowtables, chains, ... }:
bracket "table ${family} ${tableName}" (
mapAttrsStrings flowtables
(flowtableName: flowtable:
bracket "flowtable ${flowtableName}" (with flowtable;
''
hook ${hook} priority ${priority}; devices = { ${
lib.concatStringsSep ", " devices
} };
'' + lib.optionalString offload ''
flags offload;
''
)
)
+ mapAttrsStrings chains (chainName: chain:
bracket "chain ${chainName}" (
lib.optionalString (chain ? base) (with chain.base; ''
type ${type} hook ${hook} priority ${priority}; policy ${policy};
'')
+ chain.rules
)
)
)
)
);
};
firewall.enable = lib.mkForce false;
};
}
|
