From ffa729c3e21d59508de77ff2f9a695bc8c29af19 Mon Sep 17 00:00:00 2001
From: Jakub Janowski <jakub.janowski@nordsec.com>
Date: Mon, 2 Dec 2024 13:26:19 +0200
Subject: [PATCH] Always allow fwmark in uapi commands

Allow fwmark to be in the config even on platforms that do not support
it. Just ignore it. It is in line with wireguard-go behaviour.
---
 neptun/src/device/api.rs | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/neptun/src/device/api.rs b/neptun/src/device/api.rs
index 7d33736..8ffdaae 100644
--- a/neptun/src/device/api.rs
+++ b/neptun/src/device/api.rs
@@ -230,17 +230,19 @@ fn api_set<R: Read>(reader: &mut BufReader<R>, d: &mut LockReadGuard<Device>) ->
                             },
                             Err(_) => return EINVAL,
                         },
-                        #[cfg(any(
-                            target_os = "android",
-                            target_os = "fuchsia",
-                            target_os = "linux"
-                        ))]
-                        "fwmark" => match val.parse::<u32>() {
-                            Ok(mark) => match device.set_fwmark(mark) {
-                                Ok(()) => {}
-                                Err(_) => return EADDRINUSE,
-                            },
-                            Err(_) => return EINVAL,
+                        "fwmark" => {
+                            #[cfg(any(
+                                target_os = "android",
+                                target_os = "fuchsia",
+                                target_os = "linux"
+                            ))]
+                            match val.parse::<u32>() {
+                                Ok(mark) => match device.set_fwmark(mark) {
+                                    Ok(()) => {}
+                                    Err(_) => return EADDRINUSE,
+                                },
+                                Err(_) => return EINVAL,
+                            }
                         },
                         "replace_peers" => match val.parse::<bool>() {
                             Ok(true) => device.clear_peers(),