cjdns: fix package and update

this was not building, though it wasn't marked as such. upstream now
requires Rust. python310 causes things to complain and fail, so we are
specifiying python39. nodejs, python and now rust to compile a mostly
C99 project. kids these days...

pkgs/tools/networking/cjdns/default.nix

@@ -1,20 +1,40 @@
-{ lib, stdenv, fetchFromGitHub, nodejs, which, python3, util-linux, nixosTests }:
+{ lib
+, stdenv
+, fetchFromGitHub
+, rustPlatform
+, nodejs
+, which
+, python39
+, libuv
+, util-linux
+, nixosTests
+}:
 
-stdenv.mkDerivation rec {
+rustPlatform.buildRustPackage rec {
   pname = "cjdns";
-  version = "21.1";
+  version = "21.4";
 
   src = fetchFromGitHub {
     owner = "cjdelisle";
     repo = "cjdns";
     rev = "cjdns-v${version}";
-    sha256 = "NOmk+vMZ8i0E2MjrUzksk+tkJ9XVVNEXlE5OOTNa+Y0=";
+    sha256 = "sha256-vI3uHZwmbFqxGasKqgCl0PLEEO8RNEhwkn5ZA8K7bxU=";
   };
 
-  buildInputs = [ which python3 nodejs ] ++
+  cargoSha256 = "sha256-x3LxGOhGXrheqdke0eYiQVo/IqgWgcDrDNupdLjRPjA=";
+
+  nativeBuildInputs = [
+    which
+    python39
+    nodejs
+  ] ++
     # for flock
     lib.optional stdenv.isLinux util-linux;
 
+  buildInputs = [
+    libuv
+  ];
+
   NIX_CFLAGS_COMPILE = [
     "-O2"
     "-Wno-error=array-bounds"
@@ -24,15 +44,6 @@ stdenv.mkDerivation rec {
     "-Wno-error=stringop-overread"
   ];
 
-  buildPhase =
-    lib.optionalString stdenv.isAarch32 "Seccomp_NO=1 "
-    + "bash do";
-  installPhase = ''
-    install -Dt "$out/bin/" cjdroute makekeys privatetopublic publictoip6
-    mkdir -p $out/share/cjdns
-    cp -R tools node_build node_modules $out/share/cjdns/
-  '';
-
   passthru.tests.basic = nixosTests.cjdns;
 
   meta = with lib; {