Simple test

configurers/networkd.nix

@@ -31,7 +31,7 @@ with getKeyProviderFuncs keyProviders inputs intermediateConfig localPeerName;
       wireguardConfig = {
         PrivateKeyFile = getPrivKeyFile;
         ListenPort = subnetConnection.listenPort;
-      };
+      } // (if getPrivKeyFile != null then {} else {privateKey = getPrivKey;});
       wireguardPeers = forEachAttrToList subnetConnection.peerConnections (remotePeerName: peerConnection: {
         wireguardPeerConfig = {
           Endpoint = "${peerConnection.endpoint.ip}:${builtins.toString peerConnection.endpoint.port}";

configurers/static.nix

@@ -27,6 +27,7 @@ with getKeyProviderFuncs keyProviders inputs intermediateConfig localPeerName;
         ips = subnetConnection.ipAddresses;
         listenPort = subnetConnection.listenPort;
         privateKeyFile = getPrivKeyFile;  
+        privateKey = getPrivKey;
         peers = forEachAttrToList subnetConnection.peerConnections (remotePeerName: peerConnection: 
           {
             name = remotePeerName;

flake.lock

@@ -0,0 +1,25 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1692463654,
+        "narHash": "sha256-F8hZmsQINI+S6UROM4jyxAMbQLtzE44pI8Nk6NtMdao=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ca3c9ac9f4cdd4bea19f592b32bb59b74ab7d783",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -23,6 +23,7 @@
       in {
       # import our test
       null = import ./tests/null.nix checkArgs;
+      simple = import ./tests/simple.nix checkArgs;
     });
   };
 }

key-providers/acl.nix

@@ -10,5 +10,6 @@ with builtins;
 {
   getPeerPubKey = remotePeerName: attrByPath [remotePeerName "publicKey"] null intermediateConfig.peers;
   getPrivKeyFile = attrByPath [localPeerName "privateKeyFile"] null intermediateConfig.peers;
+  getPrivKey = attrByPath [localPeerName "privateKey"] null intermediateConfig.peers;
   getSubnetPSKFile = subnetName: attrByPath [subnetName "presharedKeyFile"] null intermediateConfig.subnets;
 }

key-providers/agenix-rekey.nix

@@ -35,5 +35,6 @@ with builtins;
     };
   getPeerPubKey    = remotePeerName: builtins.readFile (config.wirenix.secretsDir + /wirenix-peer-${remotePeerName}.pub);
   getPrivKeyFile   = config.age.secrets."wirenix-peer-${localPeerName}".path;
+  getPrivKey       = null;  
   getSubnetPSKFile = subnetName: config.age.secrets."wirenix-subnet-${subnetName}".path;
 }

lib.nix

@@ -116,11 +116,13 @@ rec {
     let
       keyProviders = map (x: x inputs intermediateConfig peerName) keyProvidersUninitialized;
     in
-    {
+    rec {
       getPeerPubKey = otherPeerName: findFirst (x: x != null) (throw ("Wirenix: Could not find public key for " + otherPeerName))
         (map (provider: provider.getPeerPubKey otherPeerName) keyProviders);
-      getPrivKeyFile = findFirst (x: x != null) (throw ("Wirenix: Could not find private key file for " + peerName))
+      getPrivKeyFile = findFirst (x: x != null) (if getPrivKey == null then throw ("Wirenix: Could not find private key file for " + peerName) else null)
         (map (provider: provider.getPrivKeyFile) keyProviders);
+      getPrivKey = findFirst (x: x != null) (null)
+        (map (provider: provider.getPrivKey) keyProviders);
       getSubnetPSKFile = subnetName: findFirst (x: x != null) (null)
         (map (provider: provider.getSubnetPSKFile subnetName) keyProviders);
       getProviderConfig = foldl' (x: y: x // y) {} (map (provider: if provider ? config then provider.config else {}) keyProviders);

parsers/v1.nix

@@ -17,6 +17,7 @@ let
     // mergeIf acl_peer "extraArgs"
     // mergeIf acl_peer "publicKey"
     // mergeIf acl_peer "privateKeyFile"
+    // mergeIf acl_peer "privateKey"
     // (if acl_peer ? groups then {groups = map groupFromName acl_peer.groups;} else {groups = {};});     
   
   /** parseGroup :: acl_group -> ic_group */

tests/acls/simple.nix

@@ -0,0 +1,58 @@
+{
+  version = "v1";
+  subnets = [
+    {
+      name = "simple";
+      endpoints = [
+        {
+          # No match mean match any
+          port = 51820;
+        }
+      ];
+    }
+  ];
+  groups = [
+    # groups field is expected, but can be empty
+  ];
+  peers = [
+    {
+      name = "peer1";
+      subnets = {
+        simple = {
+          listenPort = 51820;
+          # empty ipAddresses will auto generate an IPv6 address
+        };
+      };
+      publicKey = "kdyzqV8cBQtDYeW6R1vUug0Oe+KaytHHDS7JoCp/kTE=";
+      privateKey = "MIELhEc0I7BseAanhk/+LlY/+Yf7GK232vKWITExnEI=";  # path is relative to the machine
+      endpoints = [
+        {
+          # no match can be any
+          ip = "192.168.1.2";
+        }
+      ];
+    }
+    {
+      name = "peer2";
+      subnets = {
+        simple = {
+          listenPort = 51820;
+        };
+      };
+      publicKey = "ztdAXTspQEZUNpxUbUdAhhRWbiL3YYWKSK0ZGdcsMHE=";
+      privateKey = "yG4mJiduoAvzhUJMslRbZwOp1gowSfC+wgY8B/Mul1M=";
+      endpoints = [
+        {
+          # no match can be any
+          ip = "192.168.1.3";
+        }
+      ];
+    }
+  ];
+  connections = [
+    {
+      a = [{type= "subnet"; rule = "is"; value = "simple";}];
+      b = [{type= "subnet"; rule = "is"; value = "simple";}];
+    }
+  ];
+}

tests/keys/testKey1

@@ -0,0 +1 @@
+MIELhEc0I7BseAanhk/+LlY/+Yf7GK232vKWITExnEI=

tests/keys/testKey2

@@ -0,0 +1 @@
+yG4mJiduoAvzhUJMslRbZwOp1gowSfC+wgY8B/Mul1M=

tests/keys/testKey3

@@ -0,0 +1 @@
+mAk4v/O2y3mFwQqsZow52iwOlcfR3wPtd9cVBwS+vVg=

tests/keys/testKey4

@@ -0,0 +1 @@
+aKOVgooO5npcsTrDb2lKXEiOH+XhJTs3/GHICplKmHE=

tests/keys/testKey5

@@ -0,0 +1 @@
+aPMW0ePlRmh3HZ075ArvUHIotrGTGE+nRvqKPtwXClc=

tests/keys/testKey6

@@ -0,0 +1 @@
+IDpYI54t9nGxmj84KUpRaFUnzaD74LVm1y38rGeIVVg=

tests/null.nix

@@ -13,8 +13,6 @@
   # This is the test code that will check if our service is running correctly:
   testScript = ''
     start_all()
-    # wait for our service to start
-    node1.wait_for_unit("hello-world-server")
     output = node1.succeed("echo Hello world")
     # Check if our webserver returns the expected result
     assert "Hello world" in output, f"'{output}' does not contain 'Hello world'"

tests/simple.nix

@@ -0,0 +1,63 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+let 
+  sharedConfig = {
+    wirenix = {
+      enable = true;
+      keyProviders = ["acl"];
+      aclConfig = import ./acls/simple.nix;
+    };
+  };
+in
+(import ./lib.nix)
+{
+  name = "Null test, should always pass";
+  nodes = {
+    # `self` here is set by using specialArgs in `lib.nix`
+    node1 = { self, pkgs, ... }: sharedConfig // {
+      imports = [ self.nixosModules.default ];      
+      wirenix = {
+        enable = true;
+        keyProviders = ["acl"];
+        peerName = "peer1";
+        aclConfig = import ./acls/simple.nix;
+      };
+      networking.interfaces.eth1.ipv4.addresses = [
+        {
+          address = "192.168.1.2";
+          prefixLength = 24;
+        }
+      ];
+      environment.systemPackages = [ pkgs.curl ];
+    };
+    
+    node2 = { self, pkgs, ... }: sharedConfig // {
+      imports = [ self.nixosModules.default ];      
+      wirenix = {
+        enable = true;
+        keyProviders = ["acl"];
+        peerName = "peer2";
+        aclConfig = import ./acls/simple.nix;
+      };
+      networking.interfaces.eth1.ipv4.addresses = [
+        {
+          address = "192.168.1.3";
+          prefixLength = 24;
+        }
+      ];
+      environment.systemPackages = [ pkgs.curl ];
+    };
+  };
+  # This is the test code that will check if our service is running correctly:
+  testScript = ''
+    start_all()
+    node1.wait_for_unit("wireguard-simple")
+    node2.wait_for_unit("wireguard-simple")
+    output = node1.succeed("ping -c 1 peer2.simple")
+    # Check if our webserver returns the expected result
+    assert "Hello world" in output, f"'{output}' does not contain 'Hello world'"
+  '';
+}

wire.nix

@@ -30,6 +30,8 @@ let
 in
 {
   options = {
+    age = {};
+    sops = {};
     wirenix = {
       enable = mkEnableOption "wirenix";
       peerName = mkOption {