1/* 2 * Copyright (C) 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include <TargetConditionals.h> 27 28#if !defined(TARGET_OS_IPHONE) || !TARGET_OS_IPHONE 29 30#include "DynamicLinkerInterposing.h" 31#include <Carbon/Carbon.h> 32 33static int sSecureInputEnableCount; 34 35static OSStatus shimEnableSecureEventInput() 36{ 37 ++sSecureInputEnableCount; 38 return noErr; 39} 40 41static OSStatus shimDisableSecureEventInput() 42{ 43 if (!sSecureInputEnableCount) 44 return paramErr; 45 --sSecureInputEnableCount; 46 return noErr; 47} 48 49static Boolean shimIsSecureEventInputEnabled() 50{ 51 return sSecureInputEnableCount; 52} 53 54DYLD_INTERPOSE(shimEnableSecureEventInput, EnableSecureEventInput) 55DYLD_INTERPOSE(shimDisableSecureEventInput, DisableSecureEventInput) 56DYLD_INTERPOSE(shimIsSecureEventInputEnabled, IsSecureEventInputEnabled) 57 58#endif // !defined(TARGET_OS_IPHONE) || !TARGET_OS_IPHONE 59