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git.saurik.com Git - apple/security.git/blob - OSX/utilities/Regressions/su-08-secbuffer.c
2 * Copyright (c) 2014 Apple Inc. All Rights Reserved.
4 * @APPLE_LICENSE_HEADER_START@
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
21 * @APPLE_LICENSE_HEADER_END@
25 #include <utilities/SecBuffer.h>
27 #include "utilities_regressions.h"
30 #define kTestCount (2 * 12 + 3 * 12)
32 const uint8_t testBytes
[] = { 0xD0, 0xD0, 0xBA, 0xAD };
36 for(size_t testSize
= 1023; testSize
< 2 * 1024 * 1024; testSize
*= 2) {
37 PerformWithBuffer(testSize
, ^(size_t size
, uint8_t *buffer
) {
38 ok(buffer
, "got buffer");
39 ok(size
== testSize
, "buffer size");
41 // Scribble on the end, make sure we can.
42 uint64_t *scribbleLocation
= (uint64_t *) (buffer
+ testSize
- sizeof(testBytes
));
43 bcopy(testBytes
, scribbleLocation
, sizeof(testBytes
));
47 for(size_t testSize
= 1023; testSize
< 2 * 1024 * 1024; testSize
*= 2) {
48 __block
uint64_t *scribbleLocation
= NULL
;
49 PerformWithBufferAndClear(testSize
, ^(size_t size
, uint8_t *buffer
) {
50 ok(buffer
, "got buffer");
51 ok(size
== testSize
, "buffer size");
53 scribbleLocation
= (uint64_t *) (buffer
+ testSize
- sizeof(testBytes
));
54 bcopy(testBytes
, scribbleLocation
, sizeof(testBytes
));
57 skip("memory might be unmapped leading to a crash", 1, false);
58 ok(*scribbleLocation
== 0, "Was erased");
65 su_08_secbuffer(int argc
, char *const *argv
) {
66 plan_tests(kTestCount
);