OSX/libsecurity_keychain/lib/SecKeychainSearch.cpp

   1 /*
   2  * Copyright (c) 2000-2004,2011-2016 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 License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #include <Security/SecKeychainSearch.h>
  25 #include <Security/SecKeychainSearchPriv.h>
  26 #include <Security/SecCertificatePriv.h>
  27 #include <security_keychain/KCCursor.h>
  28 #include <security_keychain/Certificate.h>
  29 #include <security_keychain/Item.h>
  30 #include <security_cdsa_utilities/Schema.h>
  31 #include <syslog.h>
  32 #include <os/activity.h>
  33
  34 #include "SecBridge.h"
  35 #include "LegacyAPICounts.h"
  36
  37 CFTypeID
  38 SecKeychainSearchGetTypeID(void)
  39 {
  40         BEGIN_SECAPI
  41         return gTypes().KCCursorImpl.typeID;
  42
  43         END_SECAPI1(_kCFRuntimeNotATypeID)
  44 }
  45
  46
  47 OSStatus
  48 SecKeychainSearchCreateFromAttributes(CFTypeRef keychainOrArray, SecItemClass itemClass, const SecKeychainAttributeList *attrList, SecKeychainSearchRef *searchRef)
  49 {
  50     BEGIN_SECAPI
  51     os_activity_t activity = os_activity_create("SecKeychainSearchCreateFromAttributes", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_IF_NONE_PRESENT);
  52     os_activity_scope(activity);
  53     os_release(activity);
  54
  55         Required(searchRef);
  56
  57         StorageManager::KeychainList keychains;
  58         globals().storageManager.optionalSearchList(keychainOrArray, keychains);
  59         KCCursor cursor(keychains, itemClass, attrList);
  60         *searchRef = cursor->handle();
  61
  62         END_SECAPI
  63 }
  64
  65
  66 OSStatus
  67 SecKeychainSearchCreateFromAttributesExtended(CFTypeRef keychainOrArray, SecItemClass itemClass, const SecKeychainAttributeList *attrList, CSSM_DB_CONJUNCTIVE dbConjunctive, CSSM_DB_OPERATOR dbOperator, SecKeychainSearchRef *searchRef)
  68 {
  69     BEGIN_SECAPI
  70     os_activity_t activity = os_activity_create("SecKeychainSearchCreateFromAttributesExtended", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_IF_NONE_PRESENT);
  71     os_activity_scope(activity);
  72     os_release(activity);
  73
  74         Required(searchRef); // Make sure that searchRef is an invalid SearchRef
  75
  76         StorageManager::KeychainList keychains;
  77         globals().storageManager.optionalSearchList(keychainOrArray, keychains);
  78         KCCursor cursor(keychains, itemClass, attrList, dbConjunctive, dbOperator);
  79
  80         *searchRef = cursor->handle();
  81
  82         END_SECAPI
  83 }
  84
  85
  86
  87 OSStatus
  88 SecKeychainSearchCopyNext(SecKeychainSearchRef searchRef, SecKeychainItemRef *itemRef)
  89 {
  90         BEGIN_SECAPI
  91     os_activity_t activity = os_activity_create("SecKeychainSearchCopyNext", OS_ACTIVITY_CURRENT, OS_ACTIVITY_FLAG_IF_NONE_PRESENT);
  92     os_activity_scope(activity);
  93     os_release(activity);
  94
  95         RequiredParam(itemRef);
  96         Item item;
  97         KCCursorImpl *itemCursor = KCCursorImpl::required(searchRef);
  98         if (!itemCursor->next(item))
  99                 return errSecItemNotFound;
 100
 101         *itemRef=item->handle();
 102
 103         bool itemChecked = false;
 104         do {
 105                 /* see if we should convert outgoing item to a unified SecCertificateRef */
 106                 SecItemClass tmpItemClass = Schema::itemClassFor(item->recordType());
 107                 if (tmpItemClass == kSecCertificateItemClass) {
 108                         SecPointer<Certificate> certificate(static_cast<Certificate *>(&*item));
 109                         CssmData certData = certificate->data();
 110                         CFDataRef data = NULL;
 111                         if (certData.Data && certData.Length) {
 112                                 data = CFDataCreate(NULL, certData.Data, certData.Length);
 113                         }
 114                         if (!data) {
 115                                 /* zero-length or otherwise bad cert data; skip to next item */
 116                                 if (*itemRef) {
 117                                         CFRelease(*itemRef);
 118                                         *itemRef = NULL;
 119                                 }
 120                                 if (!itemCursor->next(item))
 121                                         return errSecItemNotFound;
 122                                 *itemRef=item->handle();
 123                                 continue;
 124                         }
 125                         SecKeychainItemRef tmpRef = *itemRef;
 126                         *itemRef = (SecKeychainItemRef) SecCertificateCreateWithKeychainItem(NULL, data, tmpRef);
 127                         if (data)
 128                                 CFRelease(data);
 129                         if (tmpRef)
 130                                 CFRelease(tmpRef);
 131                         if (NULL == *itemRef) {
 132                                 /* unable to create unified certificate item; skip to next item */
 133                                 if (!itemCursor->next(item))
 134                                         return errSecItemNotFound;
 135                                 *itemRef=item->handle();
 136                                 continue;
 137                         }
 138                         itemChecked = true;
 139                 }
 140                 else {
 141                         itemChecked = true;
 142                 }
 143         } while (!itemChecked);
 144
 145         if (NULL == *itemRef) {
 146                 /* never permit a NULL item reference to be returned without an error result */
 147                 return errSecItemNotFound;
 148         }
 149
 150         END_SECAPI
 151 }