Add GetIpInterfaceEntry function

1 files changed, 15 insertions, 2 deletions

diff --git a/talpid-core/src/tunnel/openvpn/windows.rs b/talpid-core/src/tunnel/openvpn/windows.rs
index c51cb8d805..e29b37cb7e 100644
--- a/talpid-core/src/tunnel/openvpn/windows.rs
+++ b/talpid-core/src/tunnel/openvpn/windows.rs
@@ -14,8 +14,8 @@ use winapi::{
         ifdef::NET_LUID,
         minwindef::{BOOL, FARPROC, HINSTANCE, HMODULE},
         netioapi::{
-            CancelMibChangeNotify2, ConvertInterfaceLuidToGuid, NotifyIpInterfaceChange,
-            MIB_IPINTERFACE_ROW,
+            CancelMibChangeNotify2, ConvertInterfaceLuidToGuid, GetIpInterfaceEntry,
+            NotifyIpInterfaceChange, MIB_IPINTERFACE_ROW,
         },
         ntdef::FALSE,
         winerror::NO_ERROR,
@@ -491,6 +491,19 @@ pub fn notify_ip_interface_change<'a, T: FnMut(&MIB_IPINTERFACE_ROW, u32) + Send
     Ok(context)
 }
 
+pub fn get_ip_interface_entry(family: u16, luid: &NET_LUID) -> io::Result<MIB_IPINTERFACE_ROW> {
+    let mut row: MIB_IPINTERFACE_ROW = unsafe { mem::zeroed() };
+    row.Family = family;
+    row.InterfaceLuid = *luid;
+
+    let result = unsafe { GetIpInterfaceEntry(&mut row as *mut _) };
+    if result != NO_ERROR {
+        return Err(io::Error::last_os_error());
+    }
+
+    Ok(row)
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;