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wintun: Introduce SetupAPI enumerator and machineName consts

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2019-03-08 09:42:34 +01:00
parent a6d5ef82f4
commit 30ab07e354
1 changed files with 7 additions and 4 deletions
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11
tun/wintun/wintun_windows.go
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@ -27,6 +27,8 @@ type Wintun windows.GUID
var deviceClassNetGUID = windows.GUID{Data1: 0x4d36e972, Data2: 0xe325, Data3: 0x11ce, Data4: [8]byte{0xbf, 0xc1, 0x08, 0x00, 0x2b, 0xe1, 0x03, 0x18}}
const hardwareID = "Wintun"
const enumerator = ""
const machineName = ""
//
// GetInterface finds interface ID by name.
@ -43,7 +45,7 @@ const hardwareID = "Wintun"
//
func GetInterface(ifname string, hwndParent uintptr) (*Wintun, error) {
// Create a list of network devices.
devInfoList, err := setupapi.SetupDiGetClassDevsEx(&deviceClassNetGUID, "", hwndParent, setupapi.DIGCF_PRESENT, setupapi.DevInfo(0), "")
devInfoList, err := setupapi.SetupDiGetClassDevsEx(&deviceClassNetGUID, enumerator, hwndParent, setupapi.DIGCF_PRESENT, setupapi.DevInfo(0), machineName)
if err != nil {
return nil, err
}
@ -136,13 +138,13 @@ func GetInterface(ifname string, hwndParent uintptr) (*Wintun, error) {
//
func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, error) {
// Create an empty device info set for network adapter device class.
devInfoList, err := setupapi.SetupDiCreateDeviceInfoListEx(&deviceClassNetGUID, hwndParent, "")
devInfoList, err := setupapi.SetupDiCreateDeviceInfoListEx(&deviceClassNetGUID, hwndParent, machineName)
if err != nil {
return nil, false, err
}
// Get the device class name from GUID.
className, err := setupapi.SetupDiClassNameFromGuidEx(&deviceClassNetGUID, "")
className, err := setupapi.SetupDiClassNameFromGuidEx(&deviceClassNetGUID, machineName)
if err != nil {
return nil, false, err
}
@ -349,8 +351,9 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
//
func (wintun *Wintun) DeleteInterface(hwndParent uintptr) (bool, bool, error) {
ifid := (*windows.GUID)(wintun)
// Create a list of network devices.
devInfoList, err := setupapi.SetupDiGetClassDevsEx(&deviceClassNetGUID, "", hwndParent, setupapi.DIGCF_PRESENT, setupapi.DevInfo(0), "")
devInfoList, err := setupapi.SetupDiGetClassDevsEx(&deviceClassNetGUID, enumerator, hwndParent, setupapi.DIGCF_PRESENT, setupapi.DevInfo(0), machineName)
if err != nil {
return false, false, err
}