From f67cf15be13f3dc5c67466c7bc3d7ccf6b16a2d8 Mon Sep 17 00:00:00 2001
From: Linus Färnstrand <linus@mullvad.net>
Date: Tue, 21 Apr 2026 15:02:25 +0000
Subject: Convert LeakInfo from single-variant enum to struct

---
 mullvad-daemon/src/management_interface.rs             | 12 +++---------
 mullvad-leak-checker/src/lib.rs                        | 14 ++++++--------
 mullvad-leak-checker/src/traceroute/unix/linux_like.rs | 10 ++++------
 mullvad-leak-checker/src/traceroute/unix/macos.rs      |  2 +-
 mullvad-leak-checker/src/traceroute/windows.rs         | 10 ++++------
 5 files changed, 18 insertions(+), 30 deletions(-)

diff --git a/mullvad-daemon/src/management_interface.rs b/mullvad-daemon/src/management_interface.rs
index 5de38f50b4..a1df9a27db 100644
--- a/mullvad-daemon/src/management_interface.rs
+++ b/mullvad-daemon/src/management_interface.rs
@@ -1485,17 +1485,11 @@ impl ManagementInterfaceEventBroadcaster {
 
     /// Notify clients about a potential leak.
     pub(crate) fn notify_leak(&self, leak: mullvad_leak_checker::LeakInfo) {
-        use mullvad_leak_checker::LeakInfo;
-        let LeakInfo::NodeReachableOnInterface {
+        log::trace!("Broadcasting leak info: {leak:#?}");
+        let mullvad_leak_checker::LeakInfo {
             reachable_nodes,
             interface,
-        } = &leak
-        else {
-            log::trace!("Matched on unexpected leak checker event: {leak:#?}");
-            return;
-        };
-
-        log::trace!("Broadcasting leak info: {leak:#?}");
+        } = &leak;
         let interface = match interface {
             mullvad_leak_checker::Interface::Name(name) => name.to_owned(),
             #[cfg(target_os = "macos")]
diff --git a/mullvad-leak-checker/src/lib.rs b/mullvad-leak-checker/src/lib.rs
index 5bd18bc094..e5f1163568 100644
--- a/mullvad-leak-checker/src/lib.rs
+++ b/mullvad-leak-checker/src/lib.rs
@@ -9,15 +9,13 @@ pub enum LeakStatus {
     LeakDetected(LeakInfo),
 }
 
-/// Details about how a leak happened
+/// Details about how a leak happened.
+///
+/// Managed to reach another network node on the physical interface, bypassing firewall rules.
 #[derive(Clone, Debug)]
-#[non_exhaustive]
-pub enum LeakInfo {
-    /// Managed to reach another network node on the physical interface, bypassing firewall rules.
-    NodeReachableOnInterface {
-        reachable_nodes: Vec<IpAddr>,
-        interface: Interface,
-    },
+pub struct LeakInfo {
+    pub reachable_nodes: Vec<IpAddr>,
+    pub interface: Interface,
 }
 
 #[derive(Clone)]
diff --git a/mullvad-leak-checker/src/traceroute/unix/linux_like.rs b/mullvad-leak-checker/src/traceroute/unix/linux_like.rs
index dbca77fd2b..622949d6f7 100644
--- a/mullvad-leak-checker/src/traceroute/unix/linux_like.rs
+++ b/mullvad-leak-checker/src/traceroute/unix/linux_like.rs
@@ -252,12 +252,10 @@ async fn recv_ttl_responses(
 
     debug_assert!(!reachable_nodes.is_empty());
 
-    Ok(LeakStatus::LeakDetected(
-        LeakInfo::NodeReachableOnInterface {
-            reachable_nodes,
-            interface: interface.clone(),
-        },
-    ))
+    Ok(LeakStatus::LeakDetected(LeakInfo {
+        reachable_nodes,
+        interface: interface.clone(),
+    }))
 }
 
 struct RecvPacket<'a, S> {
diff --git a/mullvad-leak-checker/src/traceroute/unix/macos.rs b/mullvad-leak-checker/src/traceroute/unix/macos.rs
index 0fe1054ba3..3cf95dcfeb 100644
--- a/mullvad-leak-checker/src/traceroute/unix/macos.rs
+++ b/mullvad-leak-checker/src/traceroute/unix/macos.rs
@@ -142,7 +142,7 @@ async fn recv_ttl_responses(
                 .context("Failed to read from raw socket")?,
 
             _timeout = timer => {
-                return Ok(LeakStatus::LeakDetected(LeakInfo::NodeReachableOnInterface {
+                return Ok(LeakStatus::LeakDetected(LeakInfo {
                     reachable_nodes,
                     interface: interface.clone(),
                 }));
diff --git a/mullvad-leak-checker/src/traceroute/windows.rs b/mullvad-leak-checker/src/traceroute/windows.rs
index 6f6c787150..79a39cae4d 100644
--- a/mullvad-leak-checker/src/traceroute/windows.rs
+++ b/mullvad-leak-checker/src/traceroute/windows.rs
@@ -86,12 +86,10 @@ pub async fn traceroute_using_ping(opt: &TracerouteOpt) -> anyhow::Result<LeakSt
         while let Some(result) = ping_tasks.next().await {
             let Some(ip) = result? else { continue };
 
-            return Ok(LeakStatus::LeakDetected(
-                LeakInfo::NodeReachableOnInterface {
-                    reachable_nodes: vec![ip],
-                    interface: opt.interface.clone(),
-                },
-            ));
+            return Ok(LeakStatus::LeakDetected(LeakInfo {
+                reachable_nodes: vec![ip],
+                interface: opt.interface.clone(),
+            }));
         }
 
         anyhow::Ok(LeakStatus::NoLeak)
-- 
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