| /* |
| * Copyright (C) 2011 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #import "WebProcessShim.h" |
| |
| #import <Security/SecItem.h> |
| #import <wtf/Platform.h> |
| |
| #define DYLD_INTERPOSE(_replacement,_replacee) \ |
| __attribute__((used)) static struct{ const void* replacement; const void* replacee; } _interpose_##_replacee \ |
| __attribute__ ((section ("__DATA,__interpose"))) = { (const void*)(unsigned long)&_replacement, (const void*)(unsigned long)&_replacee }; |
| |
| namespace WebKit { |
| |
| #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070 |
| |
| extern "C" void WebKitWebProcessSecItemShimInitialize(const WebProcessSecItemShimCallbacks&); |
| |
| static WebProcessSecItemShimCallbacks secItemShimCallbacks; |
| |
| static OSStatus shimSecItemCopyMatching(CFDictionaryRef query, CFTypeRef* result) |
| { |
| return secItemShimCallbacks.secItemCopyMatching(query, result); |
| } |
| |
| static OSStatus shimSecItemAdd(CFDictionaryRef query, CFTypeRef* result) |
| { |
| return secItemShimCallbacks.secItemAdd(query, result); |
| } |
| |
| static OSStatus shimSecItemUpdate(CFDictionaryRef query, CFDictionaryRef attributesToUpdate) |
| { |
| return secItemShimCallbacks.secItemUpdate(query, attributesToUpdate); |
| } |
| |
| static OSStatus shimSecItemDelete(CFDictionaryRef query) |
| { |
| return secItemShimCallbacks.secItemDelete(query); |
| } |
| |
| DYLD_INTERPOSE(shimSecItemCopyMatching, SecItemCopyMatching) |
| DYLD_INTERPOSE(shimSecItemAdd, SecItemAdd) |
| DYLD_INTERPOSE(shimSecItemUpdate, SecItemUpdate) |
| DYLD_INTERPOSE(shimSecItemDelete, SecItemDelete) |
| |
| __attribute__((visibility("default"))) |
| void WebKitWebProcessSecItemShimInitialize(const WebProcessSecItemShimCallbacks& callbacks) |
| { |
| secItemShimCallbacks = callbacks; |
| } |
| |
| #endif // __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070 |
| |
| #if __MAC_OS_X_VERSION_MIN_REQUIRED == 1060 |
| |
| extern "C" void WebKitWebProcessKeychainItemShimInitialize(const WebProcessKeychainItemShimCallbacks&); |
| |
| static WebProcessKeychainItemShimCallbacks keychainItemShimCallbacks; |
| |
| static OSStatus shimSecKeychainItemCopyContent(SecKeychainItemRef item, SecItemClass* itemClass, SecKeychainAttributeList* attrList, UInt32* length, void** outData) |
| { |
| return keychainItemShimCallbacks.secKeychainItemCopyContent(item, itemClass, attrList, length, outData); |
| } |
| |
| static OSStatus shimSecKeychainItemCreateFromContent(SecItemClass itemClass, SecKeychainAttributeList* attrList, UInt32 length, const void* data, |
| SecKeychainRef keychainRef, SecAccessRef initialAccess, SecKeychainItemRef *itemRef) |
| { |
| // We don't support shimming SecKeychainItemCreateFromContent with Keychain or Access arguments at this time |
| if (keychainRef || initialAccess) |
| return SecKeychainItemCreateFromContent(itemClass, attrList, length, data, keychainRef, initialAccess, itemRef); |
| return keychainItemShimCallbacks.secKeychainItemCreateFromContent(itemClass, attrList, length, data, itemRef); |
| } |
| |
| static OSStatus shimSecKeychainItemModifyContent(SecKeychainItemRef itemRef, const SecKeychainAttributeList* attrList, UInt32 length, const void* data) |
| { |
| return keychainItemShimCallbacks.secKeychainItemModifyContent(itemRef, attrList, length, data); |
| } |
| |
| static OSStatus shimSecKeychainItemFreeContent(SecKeychainAttributeList* attrList, void* data) |
| { |
| bool attrListHandled = !attrList || keychainItemShimCallbacks.freeAttributeListContent(attrList); |
| bool keychainItemContentHandled = !data || keychainItemShimCallbacks.freeKeychainItemContentData(data); |
| |
| // If both items were handled by the shim handlers, return now. |
| if (attrListHandled && keychainItemContentHandled) |
| return errSecSuccess; |
| |
| // Have the native function handle whichever item wasn't already handled. |
| return SecKeychainItemFreeContent(attrListHandled ? attrList : NULL, keychainItemContentHandled ? data : NULL); |
| } |
| |
| DYLD_INTERPOSE(shimSecKeychainItemCopyContent, SecKeychainItemCopyContent) |
| DYLD_INTERPOSE(shimSecKeychainItemCreateFromContent, SecKeychainItemCreateFromContent) |
| DYLD_INTERPOSE(shimSecKeychainItemModifyContent, SecKeychainItemModifyContent) |
| DYLD_INTERPOSE(shimSecKeychainItemFreeContent, SecKeychainItemFreeContent) |
| |
| __attribute__((visibility("default"))) |
| void WebKitWebProcessKeychainItemShimInitialize(const WebProcessKeychainItemShimCallbacks& callbacks) |
| { |
| keychainItemShimCallbacks = callbacks; |
| } |
| |
| #endif // __MAC_OS_X_VERSION_MIN_REQUIRED == 1060 |
| |
| } // namespace WebKit |