remove the need for the glue library

firewall/interception/windowskext/kext_request.go

@@ -0,0 +1,50 @@
+//go:build windows
+// +build windows
+
+package windowskext
+
+import "golang.org/x/sys/windows"
+
+const (
+	METHOD_BUFFERED   = 0
+	METHOD_IN_DIRECT  = 1
+	METHOD_OUT_DIRECT = 2
+	METHOD_NEITHER    = 3
+	SIOCTL_TYPE       = 40000
+)
+
+var (
+	IOCTL_HELLO                 = ctl_code(SIOCTL_TYPE, 0x800, METHOD_BUFFERED, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
+	IOCTL_RECV_VERDICT_REQ_POLL = ctl_code(SIOCTL_TYPE, 0x801, METHOD_BUFFERED, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
+	IOCTL_RECV_VERDICT_REQ      = ctl_code(SIOCTL_TYPE, 0x802, METHOD_BUFFERED, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
+	IOCTL_SET_VERDICT           = ctl_code(SIOCTL_TYPE, 0x803, METHOD_BUFFERED, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
+	IOCTL_GET_PAYLOAD           = ctl_code(SIOCTL_TYPE, 0x804, METHOD_BUFFERED, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
+	IOCTL_CLEAR_CACHE           = ctl_code(SIOCTL_TYPE, 0x805, METHOD_BUFFERED, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
+	IOCTL_TEST                  = ctl_code(SIOCTL_TYPE, 0x806, METHOD_NEITHER, windows.FILE_READ_DATA|windows.FILE_WRITE_DATA)
+)
+
+func ctl_code(device_type, function, method, access uint32) uint32 {
+	return (device_type << 16) | (access << 14) | (function << 2) | method
+}
+
+func deviceIoControl(code uint32, data *byte, size uintptr) (uint32, error) {
+	var bytesReturned uint32
+	err := windows.DeviceIoControl(kextHandle,
+		code,
+		nil, 0,
+		data, uint32(size),
+		&bytesReturned, nil)
+
+	return bytesReturned, err
+}
+
+func deviceIoControlBufferd(code uint32, inData *byte, inSize uintptr, outData *byte, outSize uintptr) (uint32, error) {
+	var bytesReturned uint32
+	err := windows.DeviceIoControl(kextHandle,
+		code,
+		inData, uint32(inSize),
+		outData, uint32(outSize),
+		&bytesReturned, nil)
+
+	return bytesReturned, err
+}