OSX/libsecurity_keychain/regressions/kc-20-item-delete-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
  26 #include "keychain_regressions.h"
  27 #include "kc-helpers.h"
  28 #include "kc-item-helpers.h"
  29
  30 #include <dispatch/private.h>
  31 #include <Security/Security.h>
  32
  33 #include <stdlib.h>
  34
  35 #define BLOCKS 30
  36
  37 static OSStatus callbackFunction(SecKeychainEvent keychainEvent,
  38                                  SecKeychainCallbackInfo *info, void *context)
  39 {
  40     CFRetainSafe(info->item);
  41     //printf("received a callback: %d %p\n", keychainEvent, info->item);
  42     CFReleaseNull(info->item);
  43
  44     return 0;
  45 }
  46
  47 static void tests() {
  48     SecKeychainRef kc = getEmptyTestKeychain();
  49
  50     static dispatch_once_t onceToken = 0;
  51     static dispatch_queue_t process_queue = NULL;
  52     dispatch_once(&onceToken, ^{
  53         process_queue = dispatch_queue_create("com.apple.security.item-add-queue", DISPATCH_QUEUE_CONCURRENT);
  54
  55         dispatch_queue_set_width(process_queue, 40);
  56     });
  57     dispatch_group_t g = dispatch_group_create();
  58
  59
  60     // Run the CFRunLoop to clear out existing notifications
  61     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1.0, false);
  62
  63     UInt32 didGetNotification = 0;
  64     ok_status(SecKeychainAddCallback(callbackFunction, kSecAddEventMask | kSecDeleteEventMask, &didGetNotification), "add callback");
  65
  66     // Run the CFRunLoop to mark this run loop as "pumped"
  67     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1.0, false);
  68
  69     for(int i = 0; i < BLOCKS; i++) {
  70         dispatch_group_async(g, process_queue, ^() {
  71             SecKeychainItemRef blockItem = NULL;
  72             CFStringRef itemclass = kSecClassInternetPassword;
  73
  74             CFStringRef label = CFStringCreateWithFormat(NULL, NULL, CFSTR("testItem%05d"), i);
  75             CFStringRef account = CFSTR("testAccount");
  76             CFStringRef service = CFStringCreateWithFormat(NULL, NULL, CFSTR("testService%05d"), i);
  77             char * name;
  78             asprintf(&name, "%s (item %d)", testName, i);
  79
  80             // add the item
  81             blockItem = createCustomItem(name, kc, createAddCustomItemDictionaryWithService(kc, itemclass, label, account, service));
  82
  83             ok_status(SecKeychainItemDelete(blockItem), "%s: SecKeychainItemDelete", name);
  84             usleep(100 * arc4random_uniform(10000));
  85             CFReleaseNull(blockItem);
  86
  87             free(name);
  88             CFReleaseNull(label);
  89             CFReleaseNull(service);
  90         });
  91     }
  92
  93     // Process run loop until every block has run
  94     while(dispatch_group_wait(g, DISPATCH_TIME_NOW) != 0) {
  95         CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1.0, false);
  96     }
  97
  98     // One last hurrah
  99     CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1.0, false);
 100
 101     ok_status(SecKeychainDelete(kc), "%s: SecKeychainDelete", testName);
 102     CFReleaseNull(kc);
 103 }
 104
 105 int kc_20_item_delete_stress(int argc, char *const *argv)
 106 {
 107     plan_tests(getEmptyTestKeychainTests + 1 + (createCustomItemTests + 1)*BLOCKS + 1);
 108     initializeKeychainTests(__FUNCTION__);
 109
 110     tests();
 111
 112     deleteTestFiles();
 113     return 0;
 114 }