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path: root/tun/wintun/wintun_windows.go
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Diffstat (limited to 'tun/wintun/wintun_windows.go')
-rw-r--r--tun/wintun/wintun_windows.go61
1 files changed, 38 insertions, 23 deletions
diff --git a/tun/wintun/wintun_windows.go b/tun/wintun/wintun_windows.go
index 2e32f64..6d9c676 100644
--- a/tun/wintun/wintun_windows.go
+++ b/tun/wintun/wintun_windows.go
@@ -15,6 +15,7 @@ import (
"golang.org/x/sys/windows"
"golang.org/x/sys/windows/registry"
+
"golang.zx2c4.com/wireguard/tun/wintun/guid"
"golang.zx2c4.com/wireguard/tun/wintun/netshell"
registryEx "golang.zx2c4.com/wireguard/tun/wintun/registry"
@@ -25,9 +26,9 @@ import (
// Wintun is a handle of a Wintun adapter
//
type Wintun struct {
- CfgInstanceID windows.GUID
- LUIDIndex uint32
- IfType uint32
+ cfgInstanceID windows.GUID
+ luidIndex uint32
+ ifType uint32
}
var deviceClassNetGUID = windows.GUID{Data1: 0x4d36e972, Data2: 0xe325, Data3: 0x11ce, Data4: [8]byte{0xbf, 0xc1, 0x08, 0x00, 0x2b, 0xe1, 0x03, 0x18}}
@@ -73,9 +74,9 @@ func makeWintun(deviceInfoSet setupapi.DevInfo, deviceInfoData *setupapi.DevInfo
}
return &Wintun{
- CfgInstanceID: *ifid,
- LUIDIndex: uint32(luidIdx),
- IfType: uint32(ifType),
+ cfgInstanceID: *ifid,
+ luidIndex: uint32(luidIdx),
+ ifType: uint32(ifType),
}, nil
}
@@ -326,7 +327,7 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
// Wait for network registry key to emerge and populate.
key, err = registryEx.OpenKeyWait(
registry.LOCAL_MACHINE,
- wintun.GetNetRegKeyName(),
+ wintun.netRegKeyName(),
registry.QUERY_VALUE|registry.NOTIFY,
waitForRegistryTimeout)
if err == nil {
@@ -339,7 +340,7 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
// Wait for TCP/IP adapter registry key to emerge and populate.
key, err = registryEx.OpenKeyWait(
registry.LOCAL_MACHINE,
- wintun.GetTcpipAdapterRegKeyName(), registry.QUERY_VALUE|registry.NOTIFY,
+ wintun.tcpipAdapterRegKeyName(), registry.QUERY_VALUE|registry.NOTIFY,
waitForRegistryTimeout)
if err == nil {
_, err = registryEx.GetStringValueWait(key, "IpConfig", waitForRegistryTimeout)
@@ -349,7 +350,7 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
var tcpipInterfaceRegKeyName string
if err == nil {
- tcpipInterfaceRegKeyName, err = wintun.GetTcpipInterfaceRegKeyName()
+ tcpipInterfaceRegKeyName, err = wintun.tcpipInterfaceRegKeyName()
if err == nil {
// Wait for TCP/IP interface registry key to emerge.
key, err = registryEx.OpenKeyWait(
@@ -438,7 +439,7 @@ func (wintun *Wintun) DeleteInterface(hwndParent uintptr) (bool, bool, error) {
continue
}
- if wintun.CfgInstanceID == wintun2.CfgInstanceID {
+ if wintun.cfgInstanceID == wintun2.cfgInstanceID {
// Remove the device.
removeDeviceParams := setupapi.RemoveDeviceParams{
ClassInstallHeader: *setupapi.MakeClassInstallHeader(setupapi.DIF_REMOVE),
@@ -498,7 +499,7 @@ func checkReboot(deviceInfoSet setupapi.DevInfo, deviceInfoData *setupapi.DevInf
// GetInterfaceName returns network interface name.
//
func (wintun *Wintun) GetInterfaceName() (string, error) {
- key, err := registry.OpenKey(registry.LOCAL_MACHINE, wintun.GetNetRegKeyName(), registry.QUERY_VALUE)
+ key, err := registry.OpenKey(registry.LOCAL_MACHINE, wintun.netRegKeyName(), registry.QUERY_VALUE)
if err != nil {
return "", fmt.Errorf("Network-specific registry key open failed: %v", err)
}
@@ -517,10 +518,10 @@ func (wintun *Wintun) SetInterfaceName(ifname string) error {
// separate thread.
// TODO: netsh.exe falls back to NciSetConnection in this case. If somebody complains, maybe
// we should do the same.
- go netshell.HrRenameConnection(&wintun.CfgInstanceID, windows.StringToUTF16Ptr(ifname))
+ go netshell.HrRenameConnection(&wintun.cfgInstanceID, windows.StringToUTF16Ptr(ifname))
// Set the interface name. The above line should have done this too, but in case it failed, we force it.
- key, err := registry.OpenKey(registry.LOCAL_MACHINE, wintun.GetNetRegKeyName(), registry.SET_VALUE)
+ key, err := registry.OpenKey(registry.LOCAL_MACHINE, wintun.netRegKeyName(), registry.SET_VALUE)
if err != nil {
return fmt.Errorf("Network-specific registry key open failed: %v", err)
}
@@ -529,24 +530,24 @@ func (wintun *Wintun) SetInterfaceName(ifname string) error {
}
//
-// GetNetRegKeyName returns interface-specific network registry key name.
+// netRegKeyName returns interface-specific network registry key name.
//
-func (wintun *Wintun) GetNetRegKeyName() string {
- return fmt.Sprintf("SYSTEM\\CurrentControlSet\\Control\\Network\\%s\\%s\\Connection", guid.ToString(&deviceClassNetGUID), guid.ToString(&wintun.CfgInstanceID))
+func (wintun *Wintun) netRegKeyName() string {
+ return fmt.Sprintf("SYSTEM\\CurrentControlSet\\Control\\Network\\%s\\%s\\Connection", guid.ToString(&deviceClassNetGUID), guid.ToString(&wintun.cfgInstanceID))
}
//
-// GetTcpipAdapterRegKeyName returns adapter-specific TCP/IP network registry key name.
+// tcpipAdapterRegKeyName returns adapter-specific TCP/IP network registry key name.
//
-func (wintun *Wintun) GetTcpipAdapterRegKeyName() string {
- return fmt.Sprintf("SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Adapters\\%s", guid.ToString(&wintun.CfgInstanceID))
+func (wintun *Wintun) tcpipAdapterRegKeyName() string {
+ return fmt.Sprintf("SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Adapters\\%s", guid.ToString(&wintun.cfgInstanceID))
}
//
-// GetTcpipInterfaceRegKeyName returns interface-specific TCP/IP network registry key name.
+// tcpipInterfaceRegKeyName returns interface-specific TCP/IP network registry key name.
//
-func (wintun *Wintun) GetTcpipInterfaceRegKeyName() (path string, err error) {
- key, err := registry.OpenKey(registry.LOCAL_MACHINE, wintun.GetTcpipAdapterRegKeyName(), registry.QUERY_VALUE)
+func (wintun *Wintun) tcpipInterfaceRegKeyName() (path string, err error) {
+ key, err := registry.OpenKey(registry.LOCAL_MACHINE, wintun.tcpipAdapterRegKeyName(), registry.QUERY_VALUE)
if err != nil {
return "", fmt.Errorf("Error opening adapter-specific TCP/IP network registry key: %v", err)
}
@@ -565,5 +566,19 @@ func (wintun *Wintun) GetTcpipInterfaceRegKeyName() (path string, err error) {
// DataFileName returns Wintun device data pipe name.
//
func (wintun *Wintun) DataFileName() string {
- return fmt.Sprintf("\\\\.\\Global\\WINTUN%d", wintun.LUIDIndex)
+ return fmt.Sprintf("\\\\.\\Global\\WINTUN%d", wintun.luidIndex)
+}
+
+//
+// GUID returns the GUID of the interface.
+//
+func (wintun *Wintun) GUID() windows.GUID {
+ return wintun.cfgInstanceID
+}
+
+//
+// LUID returns the LUID of the interface.
+//
+func (wintun *Wintun) LUID() uint64 {
+ return ((uint64(wintun.luidIndex) & ((1 << 24) - 1)) << 24) | ((uint64(wintun.ifType) & ((1 << 16) - 1)) << 48)
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 01:49:15 +0000