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authorKay Diam <kay.diam@gmail.com>2021-03-07 17:20:24 +0100
committerJason A. Donenfeld <Jason@zx2c4.com>2021-03-07 09:26:07 -0700
commit39f3c66fde966b74d093166f7a6504b6d082735f (patch)
treecab20174a642bbbececf4fd7d59d9706eae9f054 /tunnel/winipcfg/zwinipcfg_windows.go
parentringlogger: account for ERROR_ALREADY_EXISTS returns (diff)
downloadwireguard-windows-39f3c66fde966b74d093166f7a6504b6d082735f.tar.xz
wireguard-windows-39f3c66fde966b74d093166f7a6504b6d082735f.zip
winipcfg: add ConvertInterfaceIndexToLUID
This change can be used to easily get an access to any interface by name, e.g. iface, err := net.InterfaceByName(name) if err ! nil { return err } luid, err := winipcfg.LUIDFromIndex(uint32(iface.Index)) if err != nil { return err } Signed-off-by: Kay Diam <kay.diam@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to '')
-rw-r--r--tunnel/winipcfg/zwinipcfg_windows.go9
1 files changed, 9 insertions, 0 deletions
diff --git a/tunnel/winipcfg/zwinipcfg_windows.go b/tunnel/winipcfg/zwinipcfg_windows.go
index c4bf3b00..ac89fec1 100644
--- a/tunnel/winipcfg/zwinipcfg_windows.go
+++ b/tunnel/winipcfg/zwinipcfg_windows.go
@@ -42,6 +42,7 @@ var (
procCancelMibChangeNotify2 = modiphlpapi.NewProc("CancelMibChangeNotify2")
procConvertInterfaceGuidToLuid = modiphlpapi.NewProc("ConvertInterfaceGuidToLuid")
+ procConvertInterfaceIndexToLuid = modiphlpapi.NewProc("ConvertInterfaceIndexToLuid")
procConvertInterfaceLuidToGuid = modiphlpapi.NewProc("ConvertInterfaceLuidToGuid")
procCreateAnycastIpAddressEntry = modiphlpapi.NewProc("CreateAnycastIpAddressEntry")
procCreateIpForwardEntry2 = modiphlpapi.NewProc("CreateIpForwardEntry2")
@@ -88,6 +89,14 @@ func convertInterfaceGUIDToLUID(interfaceGUID *windows.GUID, interfaceLUID *LUID
return
}
+func convertInterfaceIndexToLUID(interfaceIndex uint32, interfaceLUID *LUID) (ret error) {
+ r0, _, _ := syscall.Syscall(procConvertInterfaceIndexToLuid.Addr(), 2, uintptr(interfaceIndex), uintptr(unsafe.Pointer(interfaceLUID)), 0)
+ if r0 != 0 {
+ ret = syscall.Errno(r0)
+ }
+ return
+}
+
func convertInterfaceLUIDToGUID(interfaceLUID *LUID, interfaceGUID *windows.GUID) (ret error) {
r0, _, _ := syscall.Syscall(procConvertInterfaceLuidToGuid.Addr(), 2, uintptr(unsafe.Pointer(interfaceLUID)), uintptr(unsafe.Pointer(interfaceGUID)), 0)
if r0 != 0 {