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wintun: Explain rationale behind case-insensitive interface names

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2019-02-07 19:42:59 +01:00
parent f7276ed522
commit ef48d4fa95
1 changed files with 5 additions and 1 deletions
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6
tun/wintun/wintun_windows.go
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@ -52,7 +52,11 @@ func GetInterface(ifname string, hwndParent uintptr) (*Wintun, error) {
return nil, err 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) ifname = strings.ToLower(ifname)
// Iterate. // Iterate.