+++ /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.
- */
-
-
-//
-// SSDatabase.cpp - Security Server database object
-//
-#include "SSDatabase.h"
-
-#include <security_cdsa_utilities/KeySchema.h>
-
-using namespace CssmClient;
-using namespace SecurityServer;
-
-const char *const SSDatabaseImpl::DBBlobRelationName = "DBBlob";
-
-
-SSDatabaseImpl::SSDatabaseImpl(ClientSession &inClientSession, const CssmClient::DL &dl,
- const char *inDbName, const CSSM_NET_ADDRESS *inDbLocation)
- : Db::Impl(dl, inDbName, inDbLocation), mClientSession(inClientSession), mSSDbHandle(noDb)
-{
-}
-
-SSDatabaseImpl::~SSDatabaseImpl()
-try
-{
- if (mSSDbHandle != noDb)
- mClientSession.releaseDb(mSSDbHandle);
-}
-catch (...)
-{
-}
-
-SSUniqueRecord
-SSDatabaseImpl::insert(CSSM_DB_RECORDTYPE recordType,
- const CSSM_DB_RECORD_ATTRIBUTE_DATA *attributes,
- const CSSM_DATA *data, bool)
-{
- SSUniqueRecord uniqueId(SSDatabase(this));
- check(CSSM_DL_DataInsert(handle(), recordType,
- attributes,
- data, uniqueId));
- // Activate uniqueId so CSSM_DL_FreeUniqueRecord() gets called when it goes out of scope.
- uniqueId->activate();
- return uniqueId;
-}
-
-void
-SSDatabaseImpl::authenticate(CSSM_DB_ACCESS_TYPE inAccessRequest,
- const CSSM_ACCESS_CREDENTIALS *inAccessCredentials)
-{
- mClientSession.authenticateDb(dbHandle(), inAccessRequest,
- AccessCredentials::overlay(inAccessCredentials));
-}
-
-void
-SSDatabaseImpl::lock()
-{
- mClientSession.lock(dbHandle());
-
-}
-
-void
-SSDatabaseImpl::unlock()
-{
- mClientSession.unlock(dbHandle());
-}
-
-void
-SSDatabaseImpl::unlock(const CSSM_DATA &password)
-{
- mClientSession.unlock(dbHandle(), CssmData::overlay(password));
-}
-
-void
-SSDatabaseImpl::stash()
-{
- mClientSession.stashDb(dbHandle());
-}
-
-void
-SSDatabaseImpl::stashCheck()
-{
- mClientSession.stashDbCheck(dbHandle());
-}
-
-void
-SSDatabaseImpl::getSettings(uint32 &outIdleTimeout, bool &outLockOnSleep)
-{
- DBParameters parameters;
- mClientSession.getDbParameters(dbHandle(), parameters);
- outIdleTimeout = parameters.idleTimeout;
- outLockOnSleep = parameters.lockOnSleep;
-}
-
-void
-SSDatabaseImpl::setSettings(uint32 inIdleTimeout, bool inLockOnSleep)
-{
- DBParameters parameters;
- parameters.idleTimeout = inIdleTimeout;
- parameters.lockOnSleep = inLockOnSleep;
- mClientSession.setDbParameters(dbHandle(), parameters);
-
- // Reencode the db blob.
- CssmDataContainer dbb(allocator());
- mClientSession.encodeDb(mSSDbHandle, dbb, allocator());
- getDbBlobId()->modify(DBBlobRelationID, NULL, &dbb, CSSM_DB_MODIFY_ATTRIBUTE_NONE);
-}
-
-bool
-SSDatabaseImpl::isLocked()
-{
- return mClientSession.isLocked(dbHandle());
-}
-
-void
-SSDatabaseImpl::changePassphrase(const CSSM_ACCESS_CREDENTIALS *cred)
-{
- mClientSession.changePassphrase(dbHandle(), AccessCredentials::overlay(cred));
-
- // Reencode the db blob.
- CssmDataContainer dbb(allocator());
- mClientSession.encodeDb(mSSDbHandle, dbb, allocator());
- getDbBlobId()->modify(DBBlobRelationID, NULL, &dbb, CSSM_DB_MODIFY_ATTRIBUTE_NONE);
-}
-
-DbHandle
-SSDatabaseImpl::dbHandle()
-{
- activate();
- if (mForked()) {
- // re-establish the dbHandle with the SecurityServer
- CssmDataContainer dbb(allocator());
- getDbBlobId(&dbb);
- mSSDbHandle = mClientSession.decodeDb(mIdentifier,
- AccessCredentials::overlay(accessCredentials()), dbb);
- }
- return mSSDbHandle;
-}
-
-void
-SSDatabaseImpl::commonCreate(const DLDbIdentifier &dlDbIdentifier, bool &autoCommit)
-{
- mIdentifier = dlDbIdentifier;
- // Set to false if autocommit should remain off after the create.
- autoCommit = true;
-
- // OpenParameters to use
- CSSM_APPLEDL_OPEN_PARAMETERS newOpenParameters =
- {
- sizeof(CSSM_APPLEDL_OPEN_PARAMETERS),
- CSSM_APPLEDL_OPEN_PARAMETERS_VERSION,
- CSSM_FALSE, // do not auto-commit
- 0 // mask - do not use following fields
- };
-
- // Get the original openParameters and apply them to the ones we
- // are passing in.
- const CSSM_APPLEDL_OPEN_PARAMETERS *inOpenParameters =
- reinterpret_cast<const CSSM_APPLEDL_OPEN_PARAMETERS *>(openParameters());
- if (inOpenParameters)
- {
- switch (inOpenParameters->version)
- {
- case 1:
- if (inOpenParameters->length < sizeof(CSSM_APPLEDL_OPEN_PARAMETERS))
- CssmError::throwMe(CSSMERR_APPLEDL_INVALID_OPEN_PARAMETERS);
-
- newOpenParameters.mask = inOpenParameters->mask;
- newOpenParameters.mode = inOpenParameters->mode;
- /*DROPTHROUGH*/
- case 0:
- //if (inOpenParameters->length < sizeof(CSSM_APPLEDL_OPEN_PARAMETERS_V0))
- // CssmError::throwMe(CSSMERR_APPLEDL_INVALID_OPEN_PARAMETERS);
-
- // This will determine whether we leave autocommit off or not.
- autoCommit = inOpenParameters->autoCommit == CSSM_FALSE ? false : true;
- break;
-
- default:
- CssmError::throwMe(CSSMERR_APPLEDL_INVALID_OPEN_PARAMETERS);
- }
- }
-
- // Use the new openParameters
- openParameters(&newOpenParameters);
- try
- {
- DbImpl::create();
- // Restore the original openparameters again.
- openParameters(inOpenParameters);
- }
- catch (...)
- {
- // Make sure restore the original openparameters again even if
- // create throws.
- openParameters(inOpenParameters);
- throw;
- }
-
- // @@@ The CSSM_DB_SCHEMA_ATTRIBUTE_INFO and CSSM_DB_SCHEMA_INDEX_INFO
- // arguments should be optional.
- createRelation(DBBlobRelationID, DBBlobRelationName,
- 0, (CSSM_DB_SCHEMA_ATTRIBUTE_INFO *)42,
- 0, (CSSM_DB_SCHEMA_INDEX_INFO *)42);
-
- // @@@ Only iff not already in mDbInfo
- createRelation(CSSM_DL_DB_RECORD_PUBLIC_KEY, "CSSM_DL_DB_RECORD_PUBLIC_KEY",
- KeySchema::KeySchemaAttributeCount, KeySchema::KeySchemaAttributeList,
- KeySchema::KeySchemaIndexCount, KeySchema::KeySchemaIndexList);
-
- // @@@ Only iff not already in mDbInfo
- createRelation(CSSM_DL_DB_RECORD_PRIVATE_KEY, "CSSM_DL_DB_RECORD_PRIVATE_KEY",
- KeySchema::KeySchemaAttributeCount, KeySchema::KeySchemaAttributeList,
- KeySchema::KeySchemaIndexCount, KeySchema::KeySchemaIndexList);
-
- // @@@ Only iff not already in mDbInfo
- createRelation(CSSM_DL_DB_RECORD_SYMMETRIC_KEY, "CSSM_DL_DB_RECORD_SYMMETRIC_KEY",
- KeySchema::KeySchemaAttributeCount, KeySchema::KeySchemaAttributeList,
- KeySchema::KeySchemaIndexCount, KeySchema::KeySchemaIndexList);
-}
-
-void
-SSDatabaseImpl::create(const DLDbIdentifier &dlDbIdentifier)
-{
- try
- {
- bool autoCommit;
- commonCreate(dlDbIdentifier, autoCommit);
-
- DBParameters dbParameters;
- memset(&dbParameters, 0, sizeof(DBParameters));
- dbParameters.idleTimeout = kDefaultIdleTimeout;
- dbParameters.lockOnSleep = kDefaultLockOnSleep;
-
- const AccessCredentials *cred = NULL;
- const AclEntryInput *owner = NULL;
- if (resourceControlContext())
- {
- cred = AccessCredentials::overlay(resourceControlContext()->AccessCred);
- owner = &AclEntryInput::overlay(resourceControlContext()->InitialAclEntry);
- }
- mSSDbHandle = mClientSession.createDb(dlDbIdentifier, cred, owner, dbParameters);
- CssmDataContainer dbb(allocator());
- mClientSession.encodeDb(mSSDbHandle, dbb, allocator());
- Db::Impl::insert(DBBlobRelationID, NULL, &dbb);
- if (autoCommit)
- {
- passThrough(CSSM_APPLEFILEDL_COMMIT, NULL);
- passThrough(CSSM_APPLEFILEDL_TOGGLE_AUTOCOMMIT,
- reinterpret_cast<const void *>(1));
- }
- }
- catch(CssmError e)
- {
- if (e.error != CSSMERR_DL_DATASTORE_ALREADY_EXISTS)
- {
- DbImpl::deleteDb();
- }
- throw;
- }
- catch(...)
- {
- DbImpl::deleteDb();
- throw;
- }
-}
-
-void
-SSDatabaseImpl::createWithBlob(const DLDbIdentifier &dlDbIdentifier, const CSSM_DATA &blob)
-{
- try
- {
- bool autoCommit;
- commonCreate(dlDbIdentifier, autoCommit);
- Db::Impl::insert(DBBlobRelationID, NULL, &blob);
- if (autoCommit)
- {
- passThrough(CSSM_APPLEFILEDL_COMMIT, NULL);
- passThrough(CSSM_APPLEFILEDL_TOGGLE_AUTOCOMMIT,
- reinterpret_cast<const void *>(1));
- }
- }
- catch(...)
- {
- DbImpl::deleteDb();
- throw;
- }
-}
-
-void
-SSDatabaseImpl::open(const DLDbIdentifier &dlDbIdentifier)
-{
- mIdentifier = dlDbIdentifier;
- Db::Impl::open();
-
- CssmDataContainer dbb(allocator());
- getDbBlobId(&dbb);
-
- mSSDbHandle = mClientSession.decodeDb(dlDbIdentifier, AccessCredentials::overlay(accessCredentials()), dbb);
-}
-
-void
-SSDatabaseImpl::recode(const CssmData &data, const CssmData &extraData)
-{
- // Start a transaction (Implies activate()).
- passThrough(CSSM_APPLEFILEDL_TOGGLE_AUTOCOMMIT, 0);
-
- try
- {
- CssmDataContainer dbb(allocator());
- // Make sure mSSDbHandle is valid.
- CssmClient::DbUniqueRecord dbBlobId = getDbBlobId(&dbb);
- if (mForked()) {
- // re-establish the dbHandle with the SecurityServer
- mSSDbHandle = mClientSession.decodeDb(mIdentifier,
- AccessCredentials::overlay(accessCredentials()), dbb);
- }
- dbb.clear();
-
- DbHandle successfulHdl = mClientSession.authenticateDbsForSync(data, extraData);
-
- // Create a newDbHandle using the master secrets from the dbBlob we are
- // recoding to.
- SecurityServer::DbHandle clonedDbHandle =
- mClientSession.recodeDbForSync(successfulHdl, mSSDbHandle);
-
- // @@@ If the dbb changed since we fetched it we should abort or
- // retry the operation here.
-
- // Recode all keys
- DbCursor cursor(SSDatabase(this));
- cursor->recordType(CSSM_DL_DB_RECORD_ALL_KEYS);
- CssmDataContainer keyBlob(allocator());
- CssmClient::DbUniqueRecord keyBlobId;
- DbAttributes attributes;
- while (cursor->next(&attributes, &keyBlob, keyBlobId))
- {
- // Decode the old key
- CssmKey::Header header;
- KeyHandle keyHandle =
- mClientSession.decodeKey(mSSDbHandle, keyBlob, header);
- // Recode the key
- CssmDataContainer newKeyBlob(mClientSession.returnAllocator);
- mClientSession.recodeKey(mSSDbHandle, keyHandle, clonedDbHandle,
- newKeyBlob);
- mClientSession.releaseKey(keyHandle);
- // Write the recoded key blob to the database
- keyBlobId->modify(attributes.recordType(), NULL, &newKeyBlob,
- CSSM_DB_MODIFY_ATTRIBUTE_NONE);
- }
-
- // Commit the new blob to securityd, reencode the db blob, release the
- // cloned db handle and commit the new blob to the db.
- mClientSession.commitDbForSync(mSSDbHandle, clonedDbHandle,
- dbb, allocator());
- dbBlobId->modify(DBBlobRelationID, NULL, &dbb,
- CSSM_DB_MODIFY_ATTRIBUTE_NONE);
-
- // Commit the transaction to the db
- passThrough(CSSM_APPLEFILEDL_COMMIT, NULL);
- passThrough(CSSM_APPLEFILEDL_TOGGLE_AUTOCOMMIT,
- reinterpret_cast<const void *>(1));
- }
- catch (...)
- {
- // Something went wrong rollback the transaction
- passThrough(CSSM_APPLEFILEDL_ROLLBACK, NULL);
- passThrough(CSSM_APPLEFILEDL_TOGGLE_AUTOCOMMIT,
- reinterpret_cast<const void *>(1));
- throw;
- }
-}
-
-void SSDatabaseImpl::getRecordIdentifier(CSSM_DB_UNIQUE_RECORD_PTR uniqueRecord, CSSM_DATA &recordID)
-{
- // the unique ID is composed of three uint32s (plus one filler word). Pull
- // them out and byte swap them
- recordID.Length = sizeof (uint32) * kNumIDWords;
- recordID.Data = (uint8*) allocator().malloc(recordID.Length);
-
- // copy the data
- uint32* dest = (uint32*) recordID.Data;
- uint32* src = (uint32*) uniqueRecord->RecordIdentifier.Data;
-
- dest[0] = htonl (src[0]);
- dest[1] = htonl (src[1]);
- dest[2] = htonl (src[2]);
- dest[3] = 0;
-}
-
-void SSDatabaseImpl::copyBlob(CSSM_DATA &data)
-{
- // get the blob from the database
- CssmDataContainer dbb(allocator());
- getDbBlobId(&dbb);
-
- // copy the data back
- data.Data = dbb.Data;
- data.Length = dbb.Length;
-
- // zap the return structure so that we don't get zapped when dbb goes out of scope...
- dbb.Data = NULL;
- dbb.Length = 0;
-}
-
-DbUniqueRecordImpl *
-SSDatabaseImpl::newDbUniqueRecord()
-{
- return new SSUniqueRecordImpl(SSDatabase(this));
-}
-
-CssmClient::DbUniqueRecord
-SSDatabaseImpl::getDbBlobId(CssmDataContainer *dbb)
-{
- CssmClient::DbUniqueRecord dbBlobId;
-
- DbCursor cursor(SSDatabase(this));
- cursor->recordType(DBBlobRelationID);
- if (!cursor->next(NULL, dbb, dbBlobId))
- CssmError::throwMe(CSSMERR_DL_DATABASE_CORRUPT);
-
- return dbBlobId;
-}
-
-
-
-SSUniqueRecordImpl::SSUniqueRecordImpl(const SSDatabase &db)
-: DbUniqueRecord::Impl(db)
-{
-}
-
-SSUniqueRecordImpl::~SSUniqueRecordImpl()
-{
-}
-
-SSDatabase
-SSUniqueRecordImpl::database() const
-{
- return parent<SSDatabase>();
-}