Security-59306.11.20.tar.gz

[apple/security.git] / OSX / utilities / SecPLWrappers.m

diff --git a/OSX/utilities/SecPLWrappers.m b/OSX/utilities/SecPLWrappers.m
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+++ b/OSX/utilities/SecPLWrappers.m
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+/*
+ * Copyright (c) 2017 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@
+ */
+
+#include <TargetConditionals.h>
+#include <Foundation/Foundation.h>
+#include "SecPLWrappers.h"
+
+#if !TARGET_OS_SIMULATOR && !TARGET_OS_BRIDGE
+#include <PowerLog/PowerLog.h>
+
+static typeof(PLShouldLogRegisteredEvent) *soft_PLShouldLogRegisteredEvent = NULL;
+static typeof(PLLogRegisteredEvent) *soft_PLLogRegisteredEvent = NULL;
+static typeof(PLLogTimeSensitiveRegisteredEvent) *soft_PLLogTimeSensitiveRegisteredEvent = NULL;
+
+static bool
+setup(void)
+{
+    static dispatch_once_t onceToken;
+    static CFBundleRef bundle = NULL;
+    dispatch_once(&onceToken, ^{
+
+        CFURLRef url = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, CFSTR("/System/Library/PrivateFrameworks/PowerLog.framework"), kCFURLPOSIXPathStyle, true);
+        if (url == NULL)
+            return;
+
+        bundle = CFBundleCreate(kCFAllocatorDefault, url);
+        CFRelease(url);
+        if (bundle == NULL)
+            return;
+
+        soft_PLShouldLogRegisteredEvent = CFBundleGetFunctionPointerForName(bundle, CFSTR("PLShouldLogRegisteredEvent"));
+        soft_PLLogRegisteredEvent = CFBundleGetFunctionPointerForName(bundle, CFSTR("PLLogRegisteredEvent"));
+        soft_PLLogTimeSensitiveRegisteredEvent = CFBundleGetFunctionPointerForName(bundle, CFSTR("PLLogTimeSensitiveRegisteredEvent"));
+
+        if (soft_PLShouldLogRegisteredEvent == NULL ||
+            soft_PLLogRegisteredEvent == NULL ||
+            soft_PLLogTimeSensitiveRegisteredEvent == NULL)
+        {
+            CFRelease(bundle);
+            bundle = NULL;
+        }
+    });
+    return bundle != NULL;
+}
+
+#endif
+
+bool SecPLShouldLogRegisteredEvent(NSString *event)
+{
+#if !TARGET_OS_SIMULATOR && !TARGET_OS_BRIDGE
+    if (setup())
+        return soft_PLShouldLogRegisteredEvent(PLClientIDSecurity, (__bridge CFStringRef)event);
+#endif
+    return false;
+}
+
+void SecPLLogRegisteredEvent(NSString *eventName, NSDictionary *eventDictionary)
+{
+#if !TARGET_OS_SIMULATOR && !TARGET_OS_BRIDGE
+    if (setup())
+        soft_PLLogRegisteredEvent(PLClientIDSecurity,
+                                  (__bridge CFStringRef)eventName,
+                                  (__bridge CFDictionaryRef)eventDictionary,
+                                  NULL);
+#endif
+}
+
+void SecPLLogTimeSensitiveRegisteredEvent(NSString *eventName, NSDictionary *eventDictionary)
+{
+#if !TARGET_OS_SIMULATOR && !TARGET_OS_BRIDGE
+    if (setup())
+        soft_PLLogTimeSensitiveRegisteredEvent(PLClientIDSecurity,
+                                               (__bridge CFStringRef)eventName,
+                                               (__bridge CFDictionaryRef)eventDictionary,
+                                               NULL);
+#endif
+}
+