OSX/libsecurity_keychain/lib/ExtendedAttribute.cpp

   1 /*
   2  * Copyright (c) 2006,2011,2014 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 /*
  25  * ExtendedAttribute.cpp - Extended Keychain Item Attribute class.
  26  *
  27  */
  28
  29 #include "ExtendedAttribute.h"
  30 #include "SecKeychainItemExtendedAttributes.h"
  31 #include "SecKeychainItemPriv.h"
  32 #include "cssmdatetime.h"
  33 #include <security_cdsa_utilities/Schema.h>
  34
  35 using namespace KeychainCore;
  36
  37 /*
  38  * Construct new ExtendedAttr from API.
  39  */
  40 ExtendedAttribute::ExtendedAttribute(
  41         CSSM_DB_RECORDTYPE recordType,
  42         const CssmData &itemID,
  43         const CssmData attrName,
  44         const CssmData attrValue) :
  45                 ItemImpl((SecItemClass) CSSM_DL_DB_RECORD_EXTENDED_ATTRIBUTE,
  46                         reinterpret_cast<SecKeychainAttributeList *>(NULL),
  47                         0, NULL),
  48                 mRecordType(recordType),
  49                 mItemID(Allocator::standard(), itemID.Data, itemID.Length),
  50                 mAttrName(Allocator::standard(), attrName.Data, attrName.Length),
  51                 mAttrValue(Allocator::standard(), attrValue.Data, attrValue.Length)
  52 {
  53         setupAttrs();
  54 }
  55
  56 // db item contstructor
  57 ExtendedAttribute::ExtendedAttribute(
  58         const Keychain &keychain,
  59         const PrimaryKey &primaryKey,
  60         const CssmClient::DbUniqueRecord &uniqueId) :
  61                 ItemImpl(keychain, primaryKey, uniqueId),
  62                 mRecordType(0),
  63                 mItemID(Allocator::standard()),
  64                 mAttrName(Allocator::standard()),
  65                 mAttrValue(Allocator::standard())
  66 {
  67
  68 }
  69
  70 // PrimaryKey item contstructor
  71 ExtendedAttribute::ExtendedAttribute(
  72         const Keychain &keychain,
  73         const PrimaryKey &primaryKey) :
  74                 ItemImpl(keychain, primaryKey),
  75                 mRecordType(0),
  76                 mItemID(Allocator::standard()),
  77                 mAttrName(Allocator::standard()),
  78                 mAttrValue(Allocator::standard())
  79 {
  80
  81 }
  82
  83 ExtendedAttribute* ExtendedAttribute::make(const Keychain &keychain, const PrimaryKey &primaryKey, const CssmClient::DbUniqueRecord &uniqueId)
  84 {
  85         ExtendedAttribute* ea = new ExtendedAttribute(keychain, primaryKey, uniqueId);
  86         keychain->addItem(primaryKey, ea);
  87         return ea;
  88 }
  89
  90
  91
  92 ExtendedAttribute* ExtendedAttribute::make(const Keychain &keychain, const PrimaryKey &primaryKey)
  93 {
  94         ExtendedAttribute* ea = new ExtendedAttribute(keychain, primaryKey);
  95         keychain->addItem(primaryKey, ea);
  96         return ea;
  97 }
  98
  99
 100
 101 // copy - required due to Item's weird constructor/vendor
 102 ExtendedAttribute::ExtendedAttribute(
 103         ExtendedAttribute &extendedAttr) :
 104                 ItemImpl(extendedAttr),
 105                 mRecordType(extendedAttr.mRecordType),
 106                 mItemID(Allocator::standard()),
 107                 mAttrName(Allocator::standard()),
 108                 mAttrValue(Allocator::standard())
 109 {
 110         // CssmData cd = extendedAttr.mItemID;
 111         mItemID.copy(extendedAttr.mItemID);
 112         // cd = extendedAttr.mAttrName;
 113         mAttrName.copy(extendedAttr.mAttrName);
 114         // cd = extendedAttr.mAttrValue;
 115         mAttrValue.copy(extendedAttr.mAttrValue);
 116         setupAttrs();
 117 }
 118
 119 ExtendedAttribute::~ExtendedAttribute() _NOEXCEPT
 120 {
 121
 122 }
 123
 124 PrimaryKey
 125 ExtendedAttribute::add(Keychain &keychain)
 126 {
 127         StLock<Mutex>_(mMutex);
 128         // If we already have a Keychain we can't be added.
 129         if (mKeychain)
 130                 MacOSError::throwMe(errSecDuplicateItem);
 131
 132         SInt64 date;
 133         CSSMDateTimeUtils::GetCurrentMacLongDateTime(date);
 134         CssmDbAttributeInfo attrInfo(kSecModDateItemAttr, CSSM_DB_ATTRIBUTE_FORMAT_TIME_DATE);
 135         setAttribute(attrInfo, date);
 136
 137         Db db(keychain->database());
 138         // add the item to the (regular) db
 139         try
 140         {
 141                 mUniqueId = db->insert(CSSM_DL_DB_RECORD_EXTENDED_ATTRIBUTE, mDbAttributes.get(), mData.get());
 142         }
 143         catch (const CssmError &e)
 144         {
 145                 if (e.osStatus() != CSSMERR_DL_INVALID_RECORDTYPE)
 146                         throw;
 147
 148                 /*
 149                  * First exposure of this keychain to the extended attribute record type.
 150                  * Create the relation and try again.
 151                  */
 152                 db->createRelation(CSSM_DL_DB_RECORD_EXTENDED_ATTRIBUTE,
 153                         "CSSM_DL_DB_RECORD_EXTENDED_ATTRIBUTE",
 154                         Schema::ExtendedAttributeSchemaAttributeCount,
 155                         Schema::ExtendedAttributeSchemaAttributeList,
 156                         Schema::ExtendedAttributeSchemaIndexCount,
 157                         Schema::ExtendedAttributeSchemaIndexList);
 158                 keychain->keychainSchema()->didCreateRelation(
 159                         CSSM_DL_DB_RECORD_EXTENDED_ATTRIBUTE,
 160                         "CSSM_DL_DB_RECORD_EXTENDED_ATTRIBUTE",
 161                         Schema::ExtendedAttributeSchemaAttributeCount,
 162                         Schema::ExtendedAttributeSchemaAttributeList,
 163                         Schema::ExtendedAttributeSchemaIndexCount,
 164                         Schema::ExtendedAttributeSchemaIndexList);
 165
 166                 mUniqueId = db->insert(CSSM_DL_DB_RECORD_EXTENDED_ATTRIBUTE, mDbAttributes.get(), mData.get());
 167         }
 168
 169         mPrimaryKey = keychain->makePrimaryKey(CSSM_DL_DB_RECORD_EXTENDED_ATTRIBUTE, mUniqueId);
 170     mKeychain = keychain;
 171
 172         return mPrimaryKey;
 173 }
 174
 175 /* set up DB attrs based on member vars */
 176 void ExtendedAttribute::setupAttrs()
 177 {
 178         StLock<Mutex>_(mMutex);
 179         CssmDbAttributeInfo attrInfo1(kExtendedAttrRecordTypeAttr, CSSM_DB_ATTRIBUTE_FORMAT_UINT32);
 180         setAttribute(attrInfo1, (uint32)mRecordType);
 181         CssmData cd = mItemID;
 182         CssmDbAttributeInfo attrInfo2(kExtendedAttrItemIDAttr, CSSM_DB_ATTRIBUTE_FORMAT_BLOB);
 183         setAttribute(attrInfo2, cd);
 184         cd = mAttrName;
 185         CssmDbAttributeInfo attrInfo3(kExtendedAttrAttributeNameAttr, CSSM_DB_ATTRIBUTE_FORMAT_BLOB);
 186         setAttribute(attrInfo3, cd);
 187         cd = mAttrValue;
 188         CssmDbAttributeInfo attrInfo4(kExtendedAttrAttributeValueAttr, CSSM_DB_ATTRIBUTE_FORMAT_BLOB);
 189         setAttribute(attrInfo4, cd);
 190 }
 191
 192