services/enthalpy: implement handcrafted script to switch netns

2024-12-03 21:45:59 +08:00 · 2024-12-03 21:45:59 +08:00 · 74bc41f8cd
parent fbd4f36480
commit 74bc41f8cd
1 changed files with 12 additions and 0 deletions
--- a/nixos/modules/services/enthalpy/services.nix
+++ b/nixos/modules/services/enthalpy/services.nix
@ -118,5 +118,17 @@ in
        wantedBy = [ "multi-user.target" ];
      };
    })
+
+    (mkIf (cfg.users != { }) {
+      environment.systemPackages = with pkgs; [
+        (pkgs.writeShellApplication {
+          name = "netns-run-default";
+          runtimeInputs = with pkgs; [ util-linux ];
+          text = ''
+            pkexec nsenter -t $$ -e --mount=/proc/1/ns/mnt --net=/proc/1/ns/net -S "$(id -u)" -G "$(id -g)" --wdns="$PWD" "$@"
+          '';
+        })
+      ];
+    })
  ]);
 }