Security-57336.1.9.tar.gz

[apple/security.git] / OSX / utilities / Regressions / su-08-secbuffer.c

diff --git a/OSX/utilities/Regressions/su-08-secbuffer.c b/OSX/utilities/Regressions/su-08-secbuffer.c
new file mode 100644 (file)
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+++ b/OSX/utilities/Regressions/su-08-secbuffer.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2014 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 <utilities/SecBuffer.h>
+
+#include "utilities_regressions.h"
+
+
+#define kTestCount (2 * 12 + 3 * 12)
+
+static void
+tests(void) {
+    for(size_t testSize = 1023; testSize < 2 * 1024 * 1024; testSize *= 2) {
+        PerformWithBuffer(testSize, ^(size_t size, uint8_t *buffer) {
+            ok(buffer, "got buffer");
+            ok(size == testSize, "buffer size");
+        });
+    }
+    
+    for(size_t testSize = 1023; testSize < 2 * 1024 * 1024; testSize *= 2) {
+        __block uint64_t *scribbleLocation = NULL;
+        PerformWithBufferAndClear(testSize, ^(size_t size, uint8_t *buffer) {
+            ok(buffer, "got buffer");
+            ok(size == testSize, "buffer size");
+            
+            scribbleLocation = (uint64_t *) (buffer + testSize - sizeof(uint64_t));
+            *scribbleLocation = 0xD0D0BAAD;
+        });
+        SKIP: {
+            skip("memory might be unmapped leading to a crash", 1, false);
+            ok(*scribbleLocation == 0, "Was erased");
+        }
+    }    
+}
+
+
+int
+su_08_secbuffer(int argc, char *const *argv) {
+    plan_tests(kTestCount);
+    
+    tests();
+    
+    return 0;
+}