From 6b248db017a4172f12a48d7cd253414f354d5bd9 Mon Sep 17 00:00:00 2001 From: tv Date: Sat, 5 Sep 2020 01:17:51 +0200 Subject: krebs.tinc: add support for ED25519 keys --- krebs/3modules/tinc.nix | 39 ++++++++++++++++++++++++++++++++++++--- lib/types.nix | 4 ++++ 2 files changed, 40 insertions(+), 3 deletions(-) diff --git a/krebs/3modules/tinc.nix b/krebs/3modules/tinc.nix index 1fca7de5c..0f5e1aa83 100644 --- a/krebs/3modules/tinc.nix +++ b/krebs/3modules/tinc.nix @@ -29,6 +29,9 @@ let Interface = ${netname} Broadcast = no ${concatMapStrings (c: "ConnectTo = ${c}\n") tinc.config.connectTo} + ${optionalString (tinc.config.privkey_ed25519 != null) + "Ed25519PrivateKeyFile = ${tinc.config.privkey_ed25519.path}" + } PrivateKeyFile = ${tinc.config.privkey.path} Port = ${toString tinc.config.host.nets.${netname}.tinc.port} ${tinc.config.extraConfig} @@ -165,6 +168,17 @@ let }; }; + privkey_ed25519 = mkOption { + type = types.nullOr types.secret-file; + default = + if config.krebs.hosts.${tinc.config.host.name}.nets.${tinc.config.netname}.tinc.pubkey_ed25519 == null then null else { + name = "${tinc.config.netname}.ed25519_key.priv"; + path = "${tinc.config.user.home}/tinc.ed25519_key.priv"; + owner = tinc.config.user; + source-path = toString + "/${tinc.config.netname}.ed25519_key.priv"; + }; + }; + connectTo = mkOption { type = types.listOf types.str; ${if tinc.config.netname == "retiolum" then "default" else null} = [ @@ -198,8 +212,23 @@ let # TODO `environment.systemPackages = [ cfg.tincPackage cfg.iproutePackage ]` for each network, # avoid conflicts in environment if the packages differ - krebs.secret.files = mapAttrs' (netname: cfg: - nameValuePair "${netname}.rsa_key.priv" cfg.privkey ) config.krebs.tinc; + krebs.secret.files = + let + ed25519_keys = + filterAttrs + (_: key: key != null) + (mapAttrs' + (netname: cfg: + nameValuePair "${netname}.ed25519_key.priv" cfg.privkey_ed25519 + ) + config.krebs.tinc); + + rsa_keys = + mapAttrs' + (netname: cfg: nameValuePair "${netname}.rsa_key.priv" cfg.privkey) + config.krebs.tinc; + in + ed25519_keys // rsa_keys; users.users = mapAttrs' (netname: cfg: nameValuePair "${netname}" { @@ -221,11 +250,15 @@ let in { description = "Tinc daemon for ${netname}"; after = [ - config.krebs.secret.files."${netname}.rsa_key.priv".service "network.target" + config.krebs.secret.files."${netname}.rsa_key.priv".service + ] ++ optionals (cfg.privkey_ed25519 != null) [ + config.krebs.secret.files."${netname}.ed25519_key.priv".service ]; partOf = [ config.krebs.secret.files."${netname}.rsa_key.priv".service + ] ++ optionals (cfg.privkey_ed25519 != null) [ + config.krebs.secret.files."${netname}.ed25519_key.priv".service ]; wantedBy = [ "multi-user.target" ]; path = [ tinc iproute ]; diff --git a/lib/types.nix b/lib/types.nix index 1eb4d947c..3eda2262f 100644 --- a/lib/types.nix +++ b/lib/types.nix @@ -179,6 +179,10 @@ rec { pubkey = mkOption { type = tinc-pubkey; }; + pubkey_ed25519 = mkOption { + type = nullOr tinc-pubkey; + default = null; + }; extraConfig = mkOption { description = "Extra Configuration to be appended to the hosts file"; default = ""; -- cgit v1.2.3