+++ /dev/null
-/*
- * Copyright (c) 2015 Apple Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-/*
- * SOSViewManager.c - Implementation of a view manager
- */
-
-#include <Security/SecureObjectSync/SOSViewManager.h>
-#include <Security/SecureObjectSync/SOSInternal.h>
-
-#if 0
-/* SOSViewManager implementation. */
-struct __OpaqueSOSViewManager {
- CFRuntimeBase _base;
- CFMutableDictionaryRef views;
-};
-
-const CFStringRef kSOSContextChildInfoKey = CFSTR("cntx");
-const CFStringRef kSOSFunctionChildInfoKey = CFSTR("fctn");
-const CFStringRef kSOSViewNamesChildInfoKey = CFSTR("vwns");
-
-
-static CFStringRef SOSViewManagerCopyFormatDescription(CFTypeRef cf, CFDictionaryRef formatOptions) {
- SOSViewManagerRef vmgr = (SOSViewManagerRef)cf;
- CFStringRef desc = CFStringCreateWithFormat(kCFAllocatorDefault, formatOptions, CFSTR("<ViewManager %@ >"), vmgr->views);
- return desc;
-}
-
-static void SOSViewManagerDestroy(CFTypeRef cf) {
- SOSViewManagerRef vmgr = (SOSViewManagerRef)cf;
- CFReleaseSafe(vmgr->views);
-}
-
-CFGiblisFor(SOSViewManager);
-
-
-static SOSViewManagerRef SOSViewManagerCreate(CFAllocatorRef allocator, CFErrorRef *error) {
- SOSViewManagerRef vmgr = NULL;
- vmgr = CFTypeAllocate(SOSViewManager, struct __OpaqueSOSViewManager, allocator);
- if (vmgr)
- vmgr->views = CFDictionaryCreateMutableForCFTypes(allocator);
- return vmgr;
-}
-
-CFGiblisGetSingleton(SOSViewManagerRef, SOSGetViewManager, sSOSViewManager, ^{
- *sSOSViewManager = SOSViewManagerCreate(kCFAllocatorDefault, NULL);
-});
-
-
-static CFStringRef CFStringCreateWithViewNames(CFArrayRef viewNames) {
- CFIndex count = CFArrayGetCount(viewNames);
- CFMutableArrayRef mvn = CFArrayCreateMutableCopy(kCFAllocatorDefault, count, viewNames);
- CFArraySortValues(mvn, CFRangeMake(0, count), (CFComparatorFunction)CFStringCompare, 0);
- CFStringRef string = CFStringCreateByCombiningStrings(kCFAllocatorDefault, mvn, CFSTR(":"));
- CFRelease(mvn);
- return string;
-}
-
-static SOSViewRef SOSViewManangerCopyViewWithName(SOSViewManagerRef vmgr, CFMutableDictionaryRef referencedViews, CFStringRef viewName, bool isConcrete, CFErrorRef *error) {
- SOSViewRef view = (SOSViewRef)CFDictionaryGetValue(vmgr->views, viewName);
- if (view) {
- if (isConcrete)
- SOSViewSetConcrete(view, true);
- CFRetain(view);
- } else {
- view = SOSViewCreate(CFGetAllocator(vmgr), isConcrete, NULL, error);
- if (view) {
- CFDictionarySetValue(vmgr->views, viewName, view);
- }
- // TODO: Query for the initial manifest.
- }
- if (view) {
- if (isConcrete)
- CFDictionarySetValue(referencedViews, viewName, kCFBooleanTrue);
- else if (!CFDictionaryContainsKey(referencedViews, viewName))
- CFDictionarySetValue(referencedViews, viewName, kCFBooleanFalse);
- }
- return view;
-}
-
-static SOSViewRef SOSViewManangerCopyCompositeViewWithNames(SOSViewManagerRef vmgr, CFMutableDictionaryRef referencedViews, CFArrayRef viewNames, CFErrorRef *error) {
- CFStringRef compositeName = CFStringCreateWithViewNames(viewNames);
- SOSViewRef compositeView = (SOSViewRef)CFDictionaryGetValue(vmgr->views, compositeName);
- if (compositeView) {
- CFDictionarySetValue(referencedViews, compositeName, kCFBooleanTrue);
- CFRetain(compositeView);
- } else {
- compositeView = SOSViewCreate(CFGetAllocator(vmgr), true, NULL, error);
- if (compositeView) {
- // Find the views for each name, and add the new view as a child to each one.
- CFStringRef viewName;
- CFArrayForEachC(viewNames, viewName) {
- SOSViewRef parent = SOSViewManangerCopyViewWithName(vmgr, referencedViews, viewName, false, error);
- if (!parent) {
- CFReleaseNull(compositeView);
- break;
- }
- SOSViewAddChild(parent, compositeView);
- // Update the composite view's manifest by adding each parents manifest.
- // TODO: Potentially move this out of the loop and create a single multi way manifest union operation
- SOSManifestRef pmf = SOSViewCopyManifest(parent, error);
- SOSViewUpdateManifest(compositeView, kSOSDataSourceSOSTransaction, NULL, pmf, error);
- CFReleaseSafe(pmf);
- }
- CFDictionarySetValue(vmgr->views, viewName, compositeView);
- }
- }
- CFReleaseSafe(compositeName);
- return compositeView;
-}
-
-static bool SOSViewManangerAddChildWithInfo(SOSViewManagerRef vmgr, CFMutableDictionaryRef referencedViews, CFDictionaryRef childInfo, CFErrorRef *error) {
- CFArrayRef viewNames = (CFArrayRef)CFDictionaryGetValue(childInfo, kSOSViewNamesChildInfoKey);
-// const void *context = (const void *)CFDictionaryGetValue(childInfo, kSOSContextChildInfoKey);
-// const void *func = (const void *)CFDictionaryGetValue(childInfo, kSOSFunctionChildInfoKey);
-
- CFIndex count = CFArrayGetCount(viewNames);
- if (count == 1) {
- CFStringRef key = CFArrayGetValueAtIndex(viewNames, 0);
- SOSViewRef view = SOSViewManangerCopyViewWithName(vmgr, referencedViews, key, true, error);
- // TODO: Fix this...
- //SOSViewAddClient(view, context, func);
- if (view) count++; // TODO: REMOVE MOVE -- HERE ONLY FOR COMPILER WARNING
- } else if (count > 1) {
- SOSViewRef view = SOSViewManangerCopyCompositeViewWithNames(vmgr, referencedViews, viewNames, error);
- // TODO: Fix this...
- //SOSViewAddClient(view, context, func);
- if (view) count++; // TODO: REMOVE MOVE -- HERE ONLY FOR COMPILER WARNING
- }
-
- return true;
-}
-
-struct SOSViewManagerContext {
- SOSViewManagerRef vmgr;
- CFDictionaryRef referencedViews;
-};
-
-static void SOSViewManagerUpdateView(const void *key, const void *value, void *context) {
- struct SOSViewManagerContext *vmc = context;
- CFBooleanRef isConcrete = CFDictionaryGetValue(vmc->referencedViews, key);
- if (!isConcrete) {
- CFDictionaryRemoveValue(vmc->vmgr->views, key);
- } else if (CFBooleanGetValue(isConcrete) == 0) {
- SOSViewRef view = (SOSViewRef)CFDictionaryGetValue(vmc->vmgr->views, key);
- SOSViewSetConcrete(view, false);
- }
-}
-
-bool SOSViewManagerSetChildren(SOSViewManagerRef vmgr, CFArrayRef children, CFErrorRef *error) {
- bool ok = true;
- CFMutableDictionaryRef referencedViews = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);
- CFDictionaryRef childInfo;
- CFArrayForEachC(children, childInfo) {
- ok &= SOSViewManangerAddChildWithInfo(vmgr, referencedViews, childInfo, error);
- }
-
- // Potentially populate all views here.
-
- // Cleanup, remove any views we no longer reference, and set any views which need not be concrete as such.
- struct SOSViewManagerContext vmc = {
- .vmgr = vmgr,
- .referencedViews = referencedViews,
- };
- CFDictionaryApplyFunction(vmgr->views, SOSViewManagerUpdateView, &vmc);
- CFRetainSafe(referencedViews);
-
- return ok;
-}
-#endif