OSX/libsecurity_keychain/regressions/kc-20-identity-find-stress.c

   1 /*
   2  * Copyright (c) 2016 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   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
  11  * file.
  12  *
  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 xLicense.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #import <Security/Security.h>
  25 #import <Security/SecCertificatePriv.h>
  26
  27 #include "keychain_regressions.h"
  28 #include "kc-helpers.h"
  29 #include "kc-identity-helpers.h"
  30
  31 #include <Security/Security.h>
  32 #include <stdlib.h>
  33
  34 #define BLOCKS 7000
  35
  36 static long concurrentBlocks = 64;
  37
  38 static void tests() {
  39
  40     SecKeychainRef kc = getPopulatedTestKeychain();
  41
  42     SecIdentityRef identity = NULL;
  43     SecCertificateRef certRef = NULL;
  44     SecKeyRef keyRef = NULL;
  45
  46     identity = copyFirstIdentity(kc);
  47     ok_status(SecIdentityCopyCertificate(identity, &certRef), "%s: SecIdentityCopyCertificate", testName);
  48     ok_status(SecIdentityCopyPrivateKey(identity, &keyRef), "%s: SecIdentityCopyPrivateKey", testName);
  49
  50     CFReleaseNull(identity);
  51     CFReleaseNull(keyRef);
  52
  53     static dispatch_once_t onceToken = 0;
  54     static dispatch_queue_t release_queue = NULL;
  55     dispatch_once(&onceToken, ^{
  56         release_queue = dispatch_queue_create("com.apple.security.identity-search-queue", DISPATCH_QUEUE_CONCURRENT);
  57     });
  58     dispatch_group_t g = dispatch_group_create();
  59
  60     __block int iteration = 0;
  61     dispatch_semaphore_t semaphore = dispatch_semaphore_create(concurrentBlocks);
  62
  63     dispatch_block_t identityBlock = ^() {
  64         SecIdentityRef blockId = NULL;
  65         SecKeyRef blockKeyRef = NULL;
  66
  67         ok_status(SecIdentityCreateWithCertificate(kc, certRef, &blockId), "%s: SecIdentityCreateWithCertificate", testName);
  68         ok_status(SecIdentityCopyPrivateKey(blockId, &blockKeyRef), "%s: SecIdentityCopyPrivateKey", testName);
  69
  70         CFReleaseNull(blockKeyRef);
  71         CFReleaseNull(blockId);
  72
  73         dispatch_semaphore_signal(semaphore);
  74     };
  75
  76     // Send this to background queue, so that when we wait, it doesn't block main queue
  77
  78     dispatch_group_async(g, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
  79         for (iteration = 0; iteration < BLOCKS; iteration++) {
  80             // Wait until one of our concurrentBlocks "slots" are available
  81             dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER);
  82
  83             dispatch_group_async(g, release_queue, identityBlock);
  84         }
  85     });
  86
  87     dispatch_group_wait(g, DISPATCH_TIME_FOREVER);
  88
  89     ok_status(SecKeychainDelete(kc), "%s: SecKeychainDelete", testName);
  90     CFReleaseNull(kc);
  91 }
  92
  93 int kc_20_identity_find_stress(int argc, char *const *argv)
  94 {
  95     plan_tests(2*BLOCKS + 6);
  96     initializeKeychainTests(__FUNCTION__);
  97
  98     tests();
  99
 100     deleteTestFiles();
 101     return 0;
 102 }