sayuri: Add samba sharing files with windows VM

This requires enabling guest access in Windows [1].

[1] https://docs.microsoft.com/en-us/troubleshoot/windows-server/networking/guest-access-in-smb2-is-disabled-by-default

machines/sayuri/configuration.nix

@@ -36,6 +36,31 @@
     enableTor = true;
   };
 
+  services.samba = {
+    enable = true;
+    securityType = "user";
+    extraConfig = ''
+      interfaces = 192.168.122.1
+      bind interfaces only = yes
+      map to guest = bad user
+      load printers = no
+      printing = bsd
+      disable spoolss = yes
+      usershare max shares = 0
+      acl allow execute always = True
+    '';
+    shares = {
+      qemu = {
+        path = "/data/cache/win10/shared";
+        browseable = "yes";
+        "read only" = "no";
+        "guest ok" = "yes";
+        "force user" = "simon";
+      };
+    };
+  };
+  networking.firewall.trustedInterfaces = [ "virbr0" ];
+
   networking.hostName = "sayuri";
 
   system.stateVersion = "20.03";