+++ /dev/null
-/*
- * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
- *
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-
-//
-// Item.cpp
-//
-
-#include "Item.h"
-
-#include "Certificate.h"
-#include "KeyItem.h"
-
-#include "Globals.h"
-#include "Schema.h"
-#include "KCEventNotifier.h"
-#include "cssmdatetime.h"
-#include <Security/keychainacl.h>
-#include <Security/osxsigning.h>
-#include <Security/trackingallocator.h>
-#include <Security/SecKeychainAPIPriv.h>
-
-#define SENDACCESSNOTIFICATIONS 1
-
-using namespace KeychainCore;
-using namespace CSSMDateTimeUtils;
-
-//
-// ItemImpl
-//
-
-// NewItemImpl constructor
-ItemImpl::ItemImpl(SecItemClass itemClass, OSType itemCreator, UInt32 length, const void* data)
-: mDbAttributes(new DbAttributes())
-{
- if (length && data)
- mData.reset(new CssmDataContainer(data, length));
-
- mDbAttributes->recordType(Schema::recordTypeFor(itemClass));
-
- if (itemCreator)
- mDbAttributes->add(Schema::attributeInfo(kSecCreatorItemAttr), itemCreator);
-}
-
-ItemImpl::ItemImpl(SecItemClass itemClass, SecKeychainAttributeList *attrList, UInt32 length, const void* data)
-: mDbAttributes(new DbAttributes())
-{
- if (length && data)
- mData.reset(new CssmDataContainer(data, length));
-
-
- mDbAttributes->recordType(Schema::recordTypeFor(itemClass));
-
- if(attrList)
- {
- for(UInt32 i=0; i < attrList->count; i++)
- {
- mDbAttributes->add(Schema::attributeInfo(attrList->attr[i].tag), CssmData(attrList->attr[i].data, attrList->attr[i].length));
- }
- }
-}
-
-// DbItemImpl constructor
-ItemImpl::ItemImpl(const Keychain &keychain, const PrimaryKey &primaryKey, const DbUniqueRecord &uniqueId)
-: mUniqueId(uniqueId), mKeychain(keychain), mPrimaryKey(primaryKey)
-{
- mKeychain->addItem(mPrimaryKey, this);
-}
-
-// PrimaryKey ItemImpl constructor
-ItemImpl::ItemImpl(const Keychain &keychain, const PrimaryKey &primaryKey)
-: mKeychain(keychain), mPrimaryKey(primaryKey)
-{
- mKeychain->addItem(mPrimaryKey, this);
-}
-
-// Constructor used when copying an item to a keychain.
-
-ItemImpl::ItemImpl(ItemImpl &item) :
- mData(item.modifiedData() ? NULL : new CssmDataContainer()),
- mDbAttributes(new DbAttributes())
-{
- mDbAttributes->recordType(item.recordType());
- CSSM_DB_RECORD_ATTRIBUTE_INFO *schemaAttributes = NULL;
-
- if (item.mKeychain) {
- // get the entire source item from its keychain. This requires figuring
- // out the schema for the item based on its record type.
-
- for (uint32 i = 0; i < Schema::DBInfo.NumberOfRecordTypes; i++)
- if (item.recordType() == Schema::DBInfo.RecordAttributeNames[i].DataRecordType) {
- schemaAttributes = &Schema::DBInfo.RecordAttributeNames[i];
- break;
- }
-
- if (schemaAttributes == NULL)
- // the source item is invalid
- MacOSError::throwMe(errSecInvalidItemRef);
-
- for (uint32 i = 0; i < schemaAttributes->NumberOfAttributes; i++)
- mDbAttributes->add(schemaAttributes->AttributeInfo[i]);
-
- item.getContent(mDbAttributes.get(), mData.get());
- }
-
- // @@@ We don't deal with modified attributes.
-
- if (item.modifiedData())
- // the copied data comes from the source item
- mData.reset(new CssmDataContainer(item.modifiedData()->Data,
- item.modifiedData()->Length));
-}
-
-ItemImpl::~ItemImpl() throw()
-{
- if (mKeychain && *mPrimaryKey)
- mKeychain->removeItem(*mPrimaryKey, this);
-}
-
-void
-ItemImpl::didModify()
-{
- mData.reset(NULL);
- mDbAttributes.reset(NULL);
-}
-
-const CSSM_DATA &
-ItemImpl::defaultAttributeValue(const CSSM_DB_ATTRIBUTE_INFO &info)
-{
- static const uint32 zeroInt = 0;
- static const double zeroDouble = 0.0;
- static const char timeBytes[] = "20010101000000Z";
-
- static const CSSM_DATA defaultFourBytes = { 4, (uint8 *) &zeroInt };
- static const CSSM_DATA defaultEightBytes = { 8, (uint8 *) &zeroDouble };
- static const CSSM_DATA defaultTime = { 16, (uint8 *) timeBytes };
- static const CSSM_DATA defaultZeroBytes = { 0, NULL };
-
- switch (info.AttributeFormat)
- {
- case CSSM_DB_ATTRIBUTE_FORMAT_SINT32:
- case CSSM_DB_ATTRIBUTE_FORMAT_UINT32:
- return defaultFourBytes;
-
- case CSSM_DB_ATTRIBUTE_FORMAT_REAL:
- return defaultEightBytes;
-
- case CSSM_DB_ATTRIBUTE_FORMAT_TIME_DATE:
- return defaultTime;
-
- default:
- return defaultZeroBytes;
- }
-}
-
-
-
-PrimaryKey
-ItemImpl::add(Keychain &keychain)
-{
- // If we already have a Keychain we can't be added.
- if (mKeychain)
- MacOSError::throwMe(errSecDuplicateItem);
-
- // If we don't have any attributes we can't be added.
- // (this might occur if attempting to add the item twice, since our attributes
- // and data are set to NULL at the end of this function.)
- if (!mDbAttributes.get())
- MacOSError::throwMe(errSecDuplicateItem);
-
- CSSM_DB_RECORDTYPE recordType = mDbAttributes->recordType();
-
- // update the creation and update dates on the new item
- KeychainSchema schema = keychain->keychainSchema();
- SInt64 date;
- GetCurrentMacLongDateTime(date);
- if (schema->hasAttribute(recordType, kSecCreationDateItemAttr))
- {
- setAttribute(schema->attributeInfoFor(recordType, kSecCreationDateItemAttr), date);
- }
-
- if (schema->hasAttribute(recordType, kSecModDateItemAttr))
- {
- setAttribute(schema->attributeInfoFor(recordType, kSecModDateItemAttr), date);
- }
-
- // If the label (PrintName) attribute isn't specified, set a default label.
- if (!mDbAttributes->find(Schema::attributeInfo(kSecLabelItemAttr)))
- {
- CssmDbAttributeData *label = NULL;
- switch (recordType)
- {
- case CSSM_DL_DB_RECORD_GENERIC_PASSWORD:
- label = mDbAttributes->find(Schema::attributeInfo(kSecServiceItemAttr));
- break;
-
- case CSSM_DL_DB_RECORD_APPLESHARE_PASSWORD:
- case CSSM_DL_DB_RECORD_INTERNET_PASSWORD:
- label = mDbAttributes->find(Schema::attributeInfo(kSecServerItemAttr));
- // if AppleShare server name wasn't specified, try the server address
- if (!label) label = mDbAttributes->find(Schema::attributeInfo(kSecAddressItemAttr));
- break;
-
- default:
- break;
- }
- // if all else fails, use the account name.
- if (!label)
- label = mDbAttributes->find(Schema::attributeInfo(kSecAccountItemAttr));
-
- if (label && label->size())
- setAttribute (Schema::attributeInfo(kSecLabelItemAttr), label->at<CssmData>(0));
- }
-
- // get the attributes that are part of the primary key
- const CssmAutoDbRecordAttributeInfo &primaryKeyInfos =
- keychain->primaryKeyInfosFor(recordType);
-
- // make sure each primary key element has a value in the item, otherwise
- // the database will complain. we make a set of the provided attribute infos
- // to avoid O(N^2) behavior.
-
- DbAttributes *attributes = mDbAttributes.get();
- typedef set<CssmDbAttributeInfo> InfoSet;
- InfoSet infoSet;
-
- // make a set of all the attributes in the key
- for (uint32 i = 0; i < attributes->size(); i++)
- infoSet.insert(attributes->at(i).Info);
-
- for (uint32 i = 0; i < primaryKeyInfos.size(); i++) { // check to make sure all required attributes are in the key
- InfoSet::const_iterator it = infoSet.find(primaryKeyInfos.at(i));
-
- if (it == infoSet.end()) { // not in the key? add the default
- // we need to add a default value to the item attributes
- attributes->add(primaryKeyInfos.at(i), defaultAttributeValue(primaryKeyInfos.at(i)));
- }
- }
-
- Db db(keychain->database());
- if (useSecureStorage(db))
- {
- // Add the item to the secure storage db
- SSDb ssDb(safe_cast<SSDbImpl *>(&(*db)));
-
- TrackingAllocator allocator(CssmAllocator::standard());
-
- // hhs replaced with the new aclFactory class
- AclFactory aclFactory;
- const AccessCredentials *nullCred = aclFactory.nullCred();
-
- SecPointer<Access> access = mAccess;
- if (!access) {
- // create default access controls for the new item
- CssmDbAttributeData *data = mDbAttributes->find(Schema::attributeInfo(kSecLabelItemAttr));
- string printName = data ? CssmData::overlay(data->Value[0]).toString() : "keychain item";
- access = new Access(printName);
-
- // special case for "iTools" password - allow anyone to decrypt the item
- if (recordType == CSSM_DL_DB_RECORD_GENERIC_PASSWORD)
- {
- CssmDbAttributeData *data = mDbAttributes->find(Schema::attributeInfo(kSecServiceItemAttr));
- if (data && data->Value[0].Length == 6 && !memcmp("iTools", data->Value[0].Data, 6))
- {
- typedef vector<SecPointer<ACL> > AclSet;
- AclSet acls;
- access->findAclsForRight(CSSM_ACL_AUTHORIZATION_DECRYPT, acls);
- for (AclSet::const_iterator it = acls.begin(); it != acls.end(); it++)
- (*it)->form(ACL::allowAllForm);
- }
- }
- }
-
- // Create a new SSGroup with temporary access controls
- Access::Maker maker;
- ResourceControlContext prototype;
- maker.initialOwner(prototype, nullCred);
- SSGroup ssGroup(ssDb, &prototype);
-
- try
- {
- // Insert the record using the newly created group.
- mUniqueId = ssDb->insert(recordType, mDbAttributes.get(),
- mData.get(), ssGroup, maker.cred());
- }
- catch(...)
- {
- ssGroup->deleteKey(nullCred);
- throw;
- }
-
- // now finalize the access controls on the group
- access->setAccess(*ssGroup, maker);
- mAccess = NULL; // use them and lose them
- }
- else
- {
- // add the item to the (regular) db
- mUniqueId = db->insert(recordType, mDbAttributes.get(), mData.get());
- }
-
- mPrimaryKey = keychain->makePrimaryKey(recordType, mUniqueId);
- mKeychain = keychain;
-
- // Forget our data and attributes.
- mData.reset(NULL);
- mDbAttributes.reset(NULL);
-
- return mPrimaryKey;
-}
-
-Item
-ItemImpl::copyTo(const Keychain &keychain, Access *newAccess)
-{
- Item item(*this);
- if (newAccess)
- item->setAccess(newAccess);
- else
- {
- /* Attempt to copy the access from the current item to the newly created one. */
- SSGroup myGroup = group();
- if (myGroup)
- {
- SecPointer<Access> access = new Access(*myGroup);
- item->setAccess(access);
- }
- }
-
- keychain->add(item);
- return item;
-}
-
-void
-ItemImpl::update()
-{
- if (!mKeychain)
- MacOSError::throwMe(errSecNoSuchKeychain);
-
- // Don't update if nothing changed.
- if (!isModified())
- return;
-
- CSSM_DB_RECORDTYPE aRecordType = recordType();
- KeychainSchema schema = mKeychain->keychainSchema();
-
- // Update the modification date on the item if there is a mod date attribute.
- if (schema->hasAttribute(aRecordType, kSecModDateItemAttr))
- {
- SInt64 date;
- GetCurrentMacLongDateTime(date);
- setAttribute(schema->attributeInfoFor(aRecordType, kSecModDateItemAttr), date);
- }
-
- // Make sure that we have mUniqueId
- dbUniqueRecord();
- Db db(mUniqueId->database());
- if (useSecureStorage(db))
- {
- // Add the item to the secure storage db
- SSDbUniqueRecord ssUniqueId(safe_cast<SSDbUniqueRecordImpl *>
- (&(*mUniqueId)));
-
- // @@@ Share this instance
- const AccessCredentials *autoPrompt = globals().credentials();
-
-
- // Only call this is user interaction is enabled.
- ssUniqueId->modify(aRecordType,
- mDbAttributes.get(),
- mData.get(),
- CSSM_DB_MODIFY_ATTRIBUTE_REPLACE,
- autoPrompt);
- }
- else
- {
- mUniqueId->modify(aRecordType,
- mDbAttributes.get(),
- mData.get(),
- CSSM_DB_MODIFY_ATTRIBUTE_REPLACE);
- }
-
- PrimaryKey oldPK = mPrimaryKey;
- mPrimaryKey = mKeychain->makePrimaryKey(aRecordType, mUniqueId);
-
- // Forget our data and attributes.
- mData.reset(NULL);
- mDbAttributes.reset(NULL);
-
- // Let the Keychain update what it needs to.
- mKeychain->didUpdate(this, oldPK, mPrimaryKey);
-}
-
-void
-ItemImpl::getClass(SecKeychainAttribute &attr, UInt32 *actualLength)
-{
- if (actualLength)
- *actualLength = sizeof(SecItemClass);
-
- if (attr.length < sizeof(SecItemClass))
- MacOSError::throwMe(errSecBufferTooSmall);
-
- SecItemClass aClass = Schema::itemClassFor(recordType());
- memcpy(attr.data, &aClass, sizeof(SecItemClass));
-}
-
-void
-ItemImpl::setAttribute(SecKeychainAttribute& attr)
-{
- setAttribute(Schema::attributeInfo(attr.tag), CssmData(attr.data, attr.length));
-}
-
-CSSM_DB_RECORDTYPE
-ItemImpl::recordType() const
-{
- if (mDbAttributes.get())
- return mDbAttributes->recordType();
-
- return mPrimaryKey->recordType();
-}
-
-const DbAttributes *
-ItemImpl::modifiedAttributes() const
-{
- return mDbAttributes.get();
-}
-
-const CssmData *
-ItemImpl::modifiedData() const
-{
- return mData.get();
-}
-
-void
-ItemImpl::setData(UInt32 length,const void *data)
-{
- mData.reset(new CssmDataContainer(data, length));
-}
-
-void
-ItemImpl::setAccess(Access *newAccess)
-{
- mAccess = newAccess;
-}
-
-CssmClient::DbUniqueRecord
-ItemImpl::dbUniqueRecord()
-{
- if (!isPersistant()) // is there no database attached?
- {
- MacOSError::throwMe(errSecNotAvailable);
- }
-
- if (!mUniqueId)
- {
- DbCursor cursor(mPrimaryKey->createCursor(mKeychain));
- if (!cursor->next(NULL, NULL, mUniqueId))
- MacOSError::throwMe(errSecInvalidItemRef);
- }
-
- return mUniqueId;
-}
-
-PrimaryKey
-ItemImpl::primaryKey() const
-{
- return mPrimaryKey;
-}
-
-bool
-ItemImpl::isPersistant() const
-{
- return mKeychain;
-}
-
-bool
-ItemImpl::isModified() const
-{
- return mData.get() || mDbAttributes.get();
-}
-
-Keychain
-ItemImpl::keychain() const
-{
- return mKeychain;
-}
-
-bool
-ItemImpl::operator <(const ItemImpl &other) const
-{
-
- if (*mData)
- {
- // Pointer compare
- return this < &other;
- }
-
- // XXX Deal with not having a mPrimaryKey
- return *mPrimaryKey < *(other.mPrimaryKey);
-
-}
-
-void
-ItemImpl::setAttribute(const CssmDbAttributeInfo &info, const CssmPolyData &data)
-{
- if (!mDbAttributes.get())
- {
- mDbAttributes.reset(new DbAttributes());
- mDbAttributes->recordType(mPrimaryKey->recordType());
- }
-
- uint32 length = data.Length;
- const void *buf = reinterpret_cast<const void *>(data.Data);
- uint8 timeString[16];
-
- // XXX This code is duplicated in KCCursorImpl::KCCursorImpl()
- // Convert a 4 or 8 byte TIME_DATE to a CSSM_DB_ATTRIBUTE_FORMAT_TIME_DATE
- // style attribute value.
- if (info.format() == CSSM_DB_ATTRIBUTE_FORMAT_TIME_DATE)
- {
- if (length == sizeof(UInt32))
- {
- MacSecondsToTimeString(*reinterpret_cast<const UInt32 *>(buf), 16, &timeString);
- buf = &timeString;
- length = 16;
- }
- else if (length == sizeof(SInt64))
- {
- MacLongDateTimeToTimeString(*reinterpret_cast<const SInt64 *>(buf), 16, &timeString);
- buf = &timeString;
- length = 16;
- }
- }
-
- mDbAttributes->add(info, CssmData(const_cast<void*>(buf), length));
-}
-
-void
-ItemImpl::modifyContent(const SecKeychainAttributeList *attrList, UInt32 dataLength, const void *inData)
-{
- if (!mDbAttributes.get())
- {
- mDbAttributes.reset(new DbAttributes());
- mDbAttributes->recordType(mPrimaryKey->recordType());
- }
-
- if(attrList) // optional
- {
- for(UInt32 ix=0; ix < attrList->count; ix++)
- {
- mDbAttributes->add(Schema::attributeInfo(attrList->attr[ix].tag), CssmData(attrList->attr[ix].data, attrList->attr[ix].length));
- }
- }
-
- if(inData)
- {
- mData.reset(new CssmDataContainer(inData, dataLength));
- }
-
- update();
-}
-
-void
-ItemImpl::getContent(SecItemClass *itemClass, SecKeychainAttributeList *attrList, UInt32 *length, void **outData)
-{
-
- // If the data hasn't been set we can't return it.
- if (!mKeychain && outData)
- {
- CssmData *data = mData.get();
- if (!data)
- MacOSError::throwMe(errSecDataNotAvailable);
- }
- // TODO: need to check and make sure attrs are valid and handle error condition
-
-
- if(itemClass)
- *itemClass = Schema::itemClassFor(recordType());
-
- bool getDataFromDatabase = mKeychain && mPrimaryKey;
-
- if (getDataFromDatabase) // are we attached to a database?
-
- {
- dbUniqueRecord();
- }
-
- // get the number of attributes requested by the caller
- UInt32 attrCount = attrList ? attrList->count : 0;
-
- if (getDataFromDatabase)
- {
- // make a DBAttributes structure and populate it
- DbAttributes dbAttributes(mUniqueId->database(), attrCount);
- for (UInt32 ix = 0; ix < attrCount; ++ix)
- {
- dbAttributes.add(Schema::attributeInfo(attrList->attr[ix].tag));
- }
-
- // request the data from the database (since we are a reference "item" and the data is really stored there)
- CssmDataContainer itemData;
- if (getDataFromDatabase)
- {
- getContent(&dbAttributes, outData ? &itemData : NULL);
- }
-
- // retrieve the data from result
- for (UInt32 ix = 0; ix < attrCount; ++ix)
- {
- if (dbAttributes.at(ix).NumberOfValues > 0)
- {
- attrList->attr[ix].data = dbAttributes.at(ix).Value[0].Data;
- attrList->attr[ix].length = dbAttributes.at(ix).Value[0].Length;
-
- // We don't want the data released, it is up the client
- dbAttributes.at(ix).Value[0].Data = NULL;
- dbAttributes.at(ix).Value[0].Length = 0;
- }
- else
- {
- attrList->attr[ix].data = NULL;
- attrList->attr[ix].length = 0;
- }
- }
-
- // clean up
- if (outData)
- {
- *outData=itemData.data();
- itemData.Data=NULL;
-
- if (length) *length=itemData.length();
- itemData.Length=0;
- }
- }
- else if (attrList != NULL)
- {
- getLocalContent (*attrList);
- if (outData) *outData = NULL;
- if (length) *length = 0;
- }
-
- // inform anyone interested that we are doing this
-#if SENDACCESSNOTIFICATIONS
- if (outData)
- {
- secdebug("kcnotify", "ItemImpl::getContent(0x%x, 0x%x, 0x%x, 0x%x) retrieved content",
- (unsigned int)itemClass, (unsigned int)attrList, (unsigned int)length, (unsigned int)outData);
-
- KCEventNotifier::PostKeychainEvent(kSecDataAccessEvent, mKeychain, this);
- }
-#endif
-}
-
-void
-ItemImpl::freeContent(SecKeychainAttributeList *attrList, void *data)
-{
- CssmAllocator &allocator = CssmAllocator::standard(); // @@@ This might not match the one used originally
- if (data)
- allocator.free(data);
-
- UInt32 attrCount = attrList ? attrList->count : 0;
- for (UInt32 ix = 0; ix < attrCount; ++ix)
- {
- allocator.free(attrList->attr[ix].data);
- attrList->attr[ix].data = NULL;
- }
-}
-
-void
-ItemImpl::modifyAttributesAndData(const SecKeychainAttributeList *attrList, UInt32 dataLength, const void *inData)
-{
- if (!mKeychain)
- MacOSError::throwMe(errSecNoSuchKeychain);
-
- if (!mDbAttributes.get())
- {
- mDbAttributes.reset(new DbAttributes());
- mDbAttributes->recordType(mPrimaryKey->recordType());
- }
-
- CSSM_DB_RECORDTYPE recordType = mDbAttributes->recordType();
- UInt32 attrCount = attrList ? attrList->count : 0;
- for (UInt32 ix = 0; ix < attrCount; ix++)
- {
- CssmDbAttributeInfo info=mKeychain->attributeInfoFor(recordType, attrList->attr[ix].tag);
-
- if (attrList->attr[ix].length || info.AttributeFormat==CSSM_DB_ATTRIBUTE_FORMAT_STRING || info.AttributeFormat==CSSM_DB_ATTRIBUTE_FORMAT_BLOB
- || info.AttributeFormat==CSSM_DB_ATTRIBUTE_FORMAT_STRING || info.AttributeFormat==CSSM_DB_ATTRIBUTE_FORMAT_BIG_NUM
- || info.AttributeFormat==CSSM_DB_ATTRIBUTE_FORMAT_MULTI_UINT32)
- mDbAttributes->add(info, CssmData(attrList->attr[ix].data, attrList->attr[ix].length));
- else
- mDbAttributes->add(info);
- }
-
- if(inData)
- {
- mData.reset(new CssmDataContainer(inData, dataLength));
- }
-
- update();
-}
-
-void
-ItemImpl::getAttributesAndData(SecKeychainAttributeInfo *info, SecItemClass *itemClass, SecKeychainAttributeList **attrList, UInt32 *length, void **outData)
-{
- // If the data hasn't been set we can't return it.
- if (!mKeychain && outData)
- {
- CssmData *data = mData.get();
- if (!data)
- MacOSError::throwMe(errSecDataNotAvailable);
- }
- // TODO: need to check and make sure attrs are valid and handle error condition
-
-
- if(itemClass)
- *itemClass = Schema::itemClassFor(recordType());
-
- dbUniqueRecord();
-
- UInt32 attrCount = info ? info->count : 0;
- DbAttributes dbAttributes(mUniqueId->database(), attrCount);
- for (UInt32 ix = 0; ix < attrCount; ix++)
- {
- CssmDbAttributeData &record = dbAttributes.add();
- record.Info.AttributeNameFormat=CSSM_DB_ATTRIBUTE_NAME_AS_INTEGER;
- record.Info.Label.AttributeID=info->tag[ix];
- }
-
- CssmDataContainer itemData;
- getContent(&dbAttributes, outData ? &itemData : NULL);
-
- if(info && attrList)
- {
- SecKeychainAttributeList *theList=reinterpret_cast<SecKeychainAttributeList *>(malloc(sizeof(SecKeychainAttributeList)));
- SecKeychainAttribute *attr=reinterpret_cast<SecKeychainAttribute *>(malloc(sizeof(SecKeychainAttribute)*attrCount));
- theList->count=attrCount;
- theList->attr=attr;
-
- for (UInt32 ix = 0; ix < attrCount; ++ix)
- {
- attr[ix].tag=info->tag[ix];
-
- if (dbAttributes.at(ix).NumberOfValues > 0)
- {
- attr[ix].data = dbAttributes.at(ix).Value[0].Data;
- attr[ix].length = dbAttributes.at(ix).Value[0].Length;
-
- // We don't want the data released, it is up the client
- dbAttributes.at(ix).Value[0].Data = NULL;
- dbAttributes.at(ix).Value[0].Length = 0;
- }
- else
- {
- attr[ix].data = NULL;
- attr[ix].length = 0;
- }
- }
- *attrList=theList;
- }
-
- if (outData)
- {
- *outData=itemData.data();
- itemData.Data=NULL;
-
- if (length) *length=itemData.length();
- itemData.Length=0;
-
-#if SENDACCESSNOTIFICATIONS
- secdebug("kcnotify", "ItemImpl::getAttributesAndData(0x%x, 0x%x, 0x%x, 0x%x, 0x%x) retrieved data",
- (unsigned int)info, (unsigned int)itemClass, (unsigned int)attrList, (unsigned int)length, (unsigned int)outData);
-
- KCEventNotifier::PostKeychainEvent(kSecDataAccessEvent, mKeychain, this);
-#endif
- }
-
-}
-
-void
-ItemImpl::freeAttributesAndData(SecKeychainAttributeList *attrList, void *data)
-{
- CssmAllocator &allocator = CssmAllocator::standard(); // @@@ This might not match the one used originally
-
- if (data)
- allocator.free(data);
-
- if(attrList)
- {
- for (UInt32 ix = 0; ix < attrList->count; ++ix)
- {
- allocator.free(attrList->attr[ix].data);
- }
- free(attrList->attr);
- free(attrList);
- }
-}
-
-void
-ItemImpl::getAttribute(SecKeychainAttribute& attr, UInt32 *actualLength)
-{
- if (attr.tag == kSecClassItemAttr)
- return getClass(attr, actualLength);
-
- if (mDbAttributes.get())
- {
- CssmDbAttributeData *data = mDbAttributes->find(Schema::attributeInfo(attr.tag));
- if (data)
- {
- getAttributeFrom(data, attr, actualLength);
- return;
- }
- }
-
- if (!mKeychain)
- MacOSError::throwMe(errSecNoSuchAttr);
-
- dbUniqueRecord();
- DbAttributes dbAttributes(mUniqueId->database(), 1);
- dbAttributes.add(Schema::attributeInfo(attr.tag));
- mUniqueId->get(&dbAttributes, NULL);
- getAttributeFrom(&dbAttributes.at(0), attr, actualLength);
-}
-
-void
-ItemImpl::getAttributeFrom(CssmDbAttributeData *data, SecKeychainAttribute &attr, UInt32 *actualLength)
-{
- static const uint32 zero = 0;
- uint32 length;
- const void *buf = NULL;
-
- // Temporary storage for buf.
- SInt64 macLDT;
- UInt32 macSeconds;
- sint16 svalue16;
- uint16 uvalue16;
- sint8 svalue8;
- uint8 uvalue8;
-
- if (!data)
- length = 0;
- else if (data->size() < 1) // Attribute has no values.
- {
- if (data->format() == CSSM_DB_ATTRIBUTE_FORMAT_SINT32
- || data->format() == CSSM_DB_ATTRIBUTE_FORMAT_UINT32)
- {
- length = sizeof(zero);
- buf = &zero;
- }
- else if (CSSM_DB_ATTRIBUTE_FORMAT_TIME_DATE)
- length = 0; // Should we throw here?
- else // All other formats
- length = 0;
- }
- else // Get the first value
- {
- length = data->Value[0].Length;
- buf = data->Value[0].Data;
-
- if (data->format() == CSSM_DB_ATTRIBUTE_FORMAT_SINT32)
- {
- if (attr.length == sizeof(sint8))
- {
- length = attr.length;
- svalue8 = sint8(*reinterpret_cast<const sint32 *>(buf));
- buf = &svalue8;
- }
- else if (attr.length == sizeof(sint16))
- {
- length = attr.length;
- svalue16 = sint16(*reinterpret_cast<const sint32 *>(buf));
- buf = &svalue16;
- }
- }
- else if (data->format() == CSSM_DB_ATTRIBUTE_FORMAT_UINT32)
- {
- if (attr.length == sizeof(uint8))
- {
- length = attr.length;
- uvalue8 = uint8(*reinterpret_cast<const uint32 *>(buf));
- buf = &uvalue8;
- }
- else if (attr.length == sizeof(uint16))
- {
- length = attr.length;
- uvalue16 = uint16(*reinterpret_cast<const uint32 *>(buf));
- buf = &uvalue16;
- }
- }
- else if (data->format() == CSSM_DB_ATTRIBUTE_FORMAT_TIME_DATE)
- {
- if (attr.length == sizeof(UInt32))
- {
- TimeStringToMacSeconds(data->Value[0], macSeconds);
- buf = &macSeconds;
- length = attr.length;
- }
- else if (attr.length == sizeof(SInt64))
- {
- TimeStringToMacLongDateTime(data->Value[0], macLDT);
- buf = &macLDT;
- length = attr.length;
- }
- }
- }
-
- if (actualLength)
- *actualLength = length;
-
- if (length)
- {
- if (attr.length < length)
- MacOSError::throwMe(errSecBufferTooSmall);
-
- memcpy(attr.data, buf, length);
- }
-}
-
-void
-ItemImpl::getData(CssmDataContainer& outData)
-{
- if (!mKeychain)
- {
- CssmData *data = mData.get();
- // If the data hasn't been set we can't return it.
- if (!data)
- MacOSError::throwMe(errSecDataNotAvailable);
-
- outData = *data;
- return;
- }
-
- getContent(NULL, &outData);
-
-#if SENDACCESSNOTIFICATIONS
- secdebug("kcnotify", "ItemImpl::getData retrieved data");
-
- //%%%<might> be done elsewhere, but here is good for now
- KCEventNotifier::PostKeychainEvent(kSecDataAccessEvent, mKeychain, this);
-#endif
-}
-
-SSGroup
-ItemImpl::group()
-{
- SSGroup group;
- if (!!mUniqueId)
- {
- Db db(mKeychain->database());
- if (useSecureStorage(db))
- {
- group = safer_cast<SSDbUniqueRecordImpl &>(*mUniqueId).group();
- }
- }
-
- return group;
-}
-
-void ItemImpl::getLocalContent(SecKeychainAttributeList &attributeList)
-{
- CssmAllocator &allocator = CssmAllocator::standard(); // @@@ This might not match the one used originally
-
- // pull attributes out of a "floating" item, i.e. one that isn't attached to a database
- unsigned int i;
- for (i = 0; i < attributeList.count; ++i)
- {
- // get the size of the attribute
- UInt32 actualLength;
- SecKeychainAttribute attribute;
- attribute.tag = attributeList.attr[i].tag;
- attribute.length = 0;
- attribute.data = NULL;
- getAttribute (attribute, &actualLength);
-
- // if we didn't get the actual length, mark zeros.
- if (actualLength == 0)
- {
- attributeList.attr[i].length = 0;
- attributeList.attr[i].data = NULL;
- }
- else
- {
- // make room in the item data
- attributeList.attr[i].length = actualLength;
- attributeList.attr[i].data = allocator.malloc(actualLength);
- getAttribute(attributeList.attr[i], &actualLength);
- }
- }
-}
-
-void
-ItemImpl::getContent(DbAttributes *dbAttributes, CssmDataContainer *itemData)
-{
- // Make sure mUniqueId is set.
- dbUniqueRecord();
- if (itemData)
- {
- Db db(mUniqueId->database());
- if (useSecureStorage(db))
- {
- SSDbUniqueRecord ssUniqueId(safe_cast<SSDbUniqueRecordImpl *>(&(*mUniqueId)));
- const AccessCredentials *autoPrompt = globals().credentials();
- ssUniqueId->get(dbAttributes, itemData, autoPrompt);
- return;
- }
- }
-
- mUniqueId->get(dbAttributes, itemData);
-}
-
-bool
-ItemImpl::useSecureStorage(const Db &db)
-{
- switch (recordType())
- {
- case CSSM_DL_DB_RECORD_GENERIC_PASSWORD:
- case CSSM_DL_DB_RECORD_INTERNET_PASSWORD:
- case CSSM_DL_DB_RECORD_APPLESHARE_PASSWORD:
- if (db->dl()->subserviceMask() & CSSM_SERVICE_CSP)
- return true;
- break;
- default:
- break;
- }
- return false;
-}
-
-
-//
-// Item -- This class is here to magically create the right subclass of ItemImpl
-// when constructing new items.
-//
-Item::Item()
-{
-}
-
-Item::Item(ItemImpl *impl) : SecPointer<ItemImpl>(impl)
-{
-}
-
-Item::Item(SecItemClass itemClass, OSType itemCreator, UInt32 length, const void* data)
-{
- if (itemClass == CSSM_DL_DB_RECORD_X509_CERTIFICATE
- || itemClass == CSSM_DL_DB_RECORD_PUBLIC_KEY
- || itemClass == CSSM_DL_DB_RECORD_PRIVATE_KEY
- || itemClass == CSSM_DL_DB_RECORD_SYMMETRIC_KEY)
- MacOSError::throwMe(errSecNoSuchClass); /* @@@ errSecInvalidClass */
-
- *this = new ItemImpl(itemClass, itemCreator, length, data);
-}
-
-Item::Item(SecItemClass itemClass, SecKeychainAttributeList *attrList, UInt32 length, const void* data)
-{
- if (itemClass == CSSM_DL_DB_RECORD_X509_CERTIFICATE
- || itemClass == CSSM_DL_DB_RECORD_PUBLIC_KEY
- || itemClass == CSSM_DL_DB_RECORD_PRIVATE_KEY
- || itemClass == CSSM_DL_DB_RECORD_SYMMETRIC_KEY)
- MacOSError::throwMe(errSecNoSuchClass); /* @@@ errSecInvalidClass */
-
- *this = new ItemImpl(itemClass, attrList, length, data);
-}
-
-Item::Item(const Keychain &keychain, const PrimaryKey &primaryKey, const CssmClient::DbUniqueRecord &uniqueId)
- : SecPointer<ItemImpl>(
- primaryKey->recordType() == CSSM_DL_DB_RECORD_X509_CERTIFICATE
- ? new Certificate(keychain, primaryKey, uniqueId)
- : (primaryKey->recordType() == CSSM_DL_DB_RECORD_PUBLIC_KEY
- || primaryKey->recordType() == CSSM_DL_DB_RECORD_PRIVATE_KEY
- || primaryKey->recordType() == CSSM_DL_DB_RECORD_SYMMETRIC_KEY)
- ? new KeyItem(keychain, primaryKey, uniqueId)
- : new ItemImpl(keychain, primaryKey, uniqueId))
-{
-}
-
-Item::Item(const Keychain &keychain, const PrimaryKey &primaryKey)
- : SecPointer<ItemImpl>(
- primaryKey->recordType() == CSSM_DL_DB_RECORD_X509_CERTIFICATE
- ? new Certificate(keychain, primaryKey)
- : (primaryKey->recordType() == CSSM_DL_DB_RECORD_PUBLIC_KEY
- || primaryKey->recordType() == CSSM_DL_DB_RECORD_PRIVATE_KEY
- || primaryKey->recordType() == CSSM_DL_DB_RECORD_SYMMETRIC_KEY)
- ? new KeyItem(keychain, primaryKey)
- : new ItemImpl(keychain, primaryKey))
-{
-}
-
-Item::Item(ItemImpl &item)
- : SecPointer<ItemImpl>(
- item.recordType() == CSSM_DL_DB_RECORD_X509_CERTIFICATE
- ? new Certificate(safer_cast<Certificate &>(item))
- : (item.recordType() == CSSM_DL_DB_RECORD_PUBLIC_KEY
- || item.recordType() == CSSM_DL_DB_RECORD_PRIVATE_KEY
- || item.recordType() == CSSM_DL_DB_RECORD_SYMMETRIC_KEY)
- ? new KeyItem(safer_cast<KeyItem &>(item))
- : new ItemImpl(item))
-{
-}
projects / apple / security.git / blobdiff