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| author |   Simon Rozman <simon@rozman.si> | 2019-02-07 19:42:59 +0100 |
|---|---|---|
| committer | Simon Rozman <simon@rozman.si> | 2019-02-07 19:42:59 +0100 |
| commit | ef48d4fa957f0ae7db3e9ad51c0d443ccc410588 (patch) | |
| tree | 26d5b841c57a8050b987395c11d604ea78f252fc /tun/wintun/wintun_windows.go | |
| parent | wintun: Implement TODO in TestSetupDiGetDeviceRegistryProperty() (diff) | |
| download | wireguard-go-ef48d4fa957f0ae7db3e9ad51c0d443ccc410588.tar.xz wireguard-go-ef48d4fa957f0ae7db3e9ad51c0d443ccc410588.zip | |
wintun: Explain rationale behind case-insensitive interface names
Signed-off-by: Simon Rozman <simon@rozman.si>
Diffstat (limited to '')
| -rw-r--r-- | tun/wintun/wintun_windows.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tun/wintun/wintun_windows.go b/tun/wintun/wintun_windows.go index b7d84fa..c1ffb17 100644 --- a/tun/wintun/wintun_windows.go +++ b/tun/wintun/wintun_windows.go @@ -52,7 +52,11 @@ func GetInterface(ifname string, hwndParent uintptr) (*Wintun, error) { return nil, err } - // TODO: If we're certain we want case-insensitive name comparison, please document the rationale. + // Windows requires each interface to have a different name. When + // enforcing this, Windows treats interface names case-insensitive. If an + // interface "FooBar" exists and this function reports there is no + // interface "foobar", an attempt to create a new interface and name it + // "foobar" would cause conflict with "FooBar". ifname = strings.ToLower(ifname) // Iterate. |