/*
- * Copyright (c) 2000 - 2014 Samsung Electronics Co., Ltd All Rights Reserved
+ * Copyright (c) 2014-2021 Samsung Electronics Co., Ltd. All rights reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
namespace {
const char *const CERT_SYSTEM_DIR = CA_CERTS_DIR;
-const char *const SYSTEM_DB_PASSWD = "cAtRugU7";
+const char *const DEFAULT_UNLOCK_STRING = "cAtRugU7";
-bool isLabelValid(const CKM::Label &label)
+bool isClientValid(const CKM::ClientId &client)
{
- // TODO: copy code from libprivilege control (for check smack label)
- if (label.find(CKM::LABEL_NAME_SEPARATOR) != CKM::Label::npos)
+ if (client.find(CKM::ALIAS_SEPARATOR) != CKM::ClientId::npos)
return false;
return true;
bool isNameValid(const CKM::Name &name)
{
- if (name.find(CKM::LABEL_NAME_SEPARATOR) != CKM::Name::npos)
+ if (name.find(CKM::ALIAS_SEPARATOR) != CKM::Name::npos)
return false;
return true;
namespace CKM {
+namespace {
+
+template <int ERROR_ON_CKM_EXCEPTION = CKM_API_ERROR_SERVER_ERROR, class F>
+int tryRet(F &&f)
+{
+ try {
+ static_assert(std::is_same_v<decltype(std::forward<F>(f)()), int>);
+ return std::forward<F>(f)();
+ } catch (const Exc::Exception &e) {
+ return e.error();
+ } catch (const CKM::Exception &e) {
+ LogError("CKM::Exception: " << e.GetMessage());
+ return ERROR_ON_CKM_EXCEPTION;
+ }
+}
+
+int toBinaryData(const Crypto::Data &input, Crypto::Data &output)
+{
+ // verify the data integrity
+ if (input.type.isKey()) {
+ KeyShPtr output_key;
+
+ if (input.type.isSymmetricKey())
+ output_key = CKM::Key::createAES(input.data);
+ else
+ output_key = CKM::Key::create(input.data);
+
+ if (output_key.get() == NULL) {
+ LogDebug("provided binary data is not valid key data");
+ return CKM_API_ERROR_INPUT_PARAM;
+ }
+
+ output = Crypto::Data(input.type, output_key->getDER());
+ } else if (input.type.isCertificate() || input.type.isChainCert()) {
+ CertificateShPtr cert = CKM::Certificate::create(input.data, DataFormat::FORM_DER);
+
+ if (cert.get() == NULL) {
+ LogDebug("provided binary data is not valid certificate data");
+ return CKM_API_ERROR_INPUT_PARAM;
+ }
+
+ output = Crypto::Data(input.type, cert->getDER());
+ } else {
+ output = input;
+ }
+
+ // TODO: add here BINARY_DATA verification, i.e: max size etc.
+ return CKM_API_SUCCESS;
+}
+
+int verifyBinaryData(const Crypto::Data &input)
+{
+ Crypto::Data dummy;
+ return toBinaryData(input, dummy);
+}
+
+int readSingleRow(const Name &name,
+ const ClientId &owner,
+ DataType dataType,
+ DB::Crypto &database,
+ DB::Row &row)
+{
+ DB::Crypto::RowOptional row_optional;
+
+ if (dataType.isKey()) {
+ // read all key types
+ row_optional = database.getRow(name,
+ owner,
+ DataType::DB_KEY_FIRST,
+ DataType::DB_KEY_LAST);
+ } else {
+ // read anything else
+ row_optional = database.getRow(name,
+ owner,
+ dataType);
+ }
+
+ if (!row_optional) {
+ LogDebug("No row for given name, owner and type");
+ return CKM_API_ERROR_DB_ALIAS_UNKNOWN;
+ } else {
+ row = *row_optional;
+ }
+
+ return CKM_API_SUCCESS;
+}
+
+int readMultiRow(const Name &name,
+ const ClientId &owner,
+ DataType dataType,
+ DB::Crypto &database,
+ DB::RowVector &output)
+{
+ if (dataType.isKey())
+ // read all key types
+ database.getRows(name,
+ owner,
+ DataType::DB_KEY_FIRST,
+ DataType::DB_KEY_LAST,
+ output);
+ else if (dataType.isChainCert())
+ // read all key types
+ database.getRows(name,
+ owner,
+ DataType::DB_CHAIN_FIRST,
+ DataType::DB_CHAIN_LAST,
+ output);
+ else
+ // read anything else
+ database.getRows(name,
+ owner,
+ dataType,
+ output);
+
+ if (!output.size()) {
+ LogDebug("No row for given name, owner and type");
+ return CKM_API_ERROR_DB_ALIAS_UNKNOWN;
+ }
+
+ return CKM_API_SUCCESS;
+}
+
+} // namespace
+
const uid_t CKMLogic::SYSTEM_DB_UID = 0;
const uid_t CKMLogic::ADMIN_USER_DB_UID = 5001;
}
handle.keyProvider = KeyProvider(wrappedDKEK, password);
+ if (!handle.keyProvider.isInitialized()) {
+ handle.keyProvider.migrateDomainKEK(wrappedDKEK, password);
+ fs.saveDKEK(handle.keyProvider.getWrappedDomainKEK(password));
+ LogInfo("DKEK migrated");
+ }
}
void CKMLogic::saveDKEKFile(uid_t user, const Password &password)
const Crypto::Data &data,
bool adminUserFlag) {
LogInfo("Migrate data called with name: " << name);
- auto ownerId = adminUserFlag ? OWNER_ID_ADMIN_USER : OWNER_ID_SYSTEM;
+ auto ownerId = adminUserFlag ? CLIENT_ID_ADMIN_USER : CLIENT_ID_SYSTEM;
auto uid = adminUserFlag ? ADMIN_USER_DB_UID : SYSTEM_DB_UID;
int ret = verifyAndSaveDataHelper(Credentials(uid, ownerId), name, ownerId, data,
m_userDataMap[user].keyProvider.isInitialized())
return CKM_API_SUCCESS;
- int retCode = CKM_API_SUCCESS;
-
- try {
+ int retCode = tryRet([&] {
auto &handle = m_userDataMap[user];
FileSystem fs(user);
RawBuffer key = handle.keyProvider.getPureDEK(wrappedDatabaseDEK);
- handle.database = DB::Crypto(fs.getDBPath(), key);
+ handle.database = DB::Crypto(fs.getLegacyDBPath(), fs.getDBPath(), key);
handle.crypto = CryptoLogic();
if (!m_accessControl.isSystemService(user)) {
// remove data of removed apps during locked state
- AppLabelVector removedApps = fs.clearRemovedsApps();
+ ClientIdVector removedApps = fs.clearRemovedsApps();
- for (auto &appSmackLabel : removedApps) {
- handle.crypto.removeKey(appSmackLabel);
- handle.database.deleteKey(appSmackLabel);
+ for (auto &app : removedApps) {
+ handle.crypto.removeKey(app);
+ handle.database.deleteKey(app);
}
}
migrateSecureStorageData(false);
else if (user == ADMIN_USER_DB_UID && SsMigration::hasData())
migrateSecureStorageData(true);
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- } catch (const CKM::Exception &e) {
- LogError("CKM::Exception: " << e.GetMessage());
- retCode = CKM_API_ERROR_SERVER_ERROR;
- }
+
+ return CKM_API_SUCCESS;
+ });
if (CKM_API_SUCCESS != retCode)
m_userDataMap.erase(user);
int CKMLogic::unlockSystemDB()
{
- return unlockDatabase(SYSTEM_DB_UID, SYSTEM_DB_PASSWD);
+ return unlockDatabase(SYSTEM_DB_UID, DEFAULT_UNLOCK_STRING);
}
UserData &CKMLogic::selectDatabase(const Credentials &cred,
- const Label &incoming_label)
+ const ClientId &owner)
{
// if user trying to access system service - check:
// * if user database is unlocked [mandatory]
// * if not - proceed with regular user database
- // * if explicit system database label given -> switch to system DB
+ // * if explicit system database owner given -> switch to system DB
if (!m_accessControl.isSystemService(cred)) {
if (0 == m_userDataMap.count(cred.clientUid))
ThrowErr(Exc::DatabaseLocked, "database with UID: ", cred.clientUid, " locked");
- if (0 != incoming_label.compare(OWNER_ID_SYSTEM))
+ if (0 != owner.compare(CLIENT_ID_SYSTEM))
return m_userDataMap[cred.clientUid];
}
- // system database selected, modify the label
+ // system database selected, modify the owner id
if (CKM_API_SUCCESS != unlockSystemDB())
ThrowErr(Exc::DatabaseLocked, "can not unlock system database");
else // do not allow lock/unlock operations for system users
retCode = CKM_API_ERROR_INPUT_PARAM;
- return MessageBuffer::Serialize(retCode).Pop();
+ return SerializeMessage(retCode);
}
RawBuffer CKMLogic::updateCCMode()
{
m_accessControl.updateCCMode();
- return MessageBuffer::Serialize(CKM_API_SUCCESS).Pop();
+ return SerializeMessage(CKM_API_SUCCESS);
}
RawBuffer CKMLogic::lockUserKey(uid_t user)
else // do not allow lock/unlock operations for system users
retCode = CKM_API_ERROR_INPUT_PARAM;
- return MessageBuffer::Serialize(retCode).Pop();
+ return SerializeMessage(retCode);
}
RawBuffer CKMLogic::removeUserData(uid_t user)
{
- int retCode = CKM_API_SUCCESS;
-
if (m_accessControl.isSystemService(user))
user = SYSTEM_DB_UID;
m_userDataMap.erase(user);
- FileSystem fs(user);
- fs.removeUserData();
-
- return MessageBuffer::Serialize(retCode).Pop();
-}
-
-int CKMLogic::changeUserPasswordHelper(uid_t user,
- const Password &oldPassword,
- const Password &newPassword)
-{
- // do not allow to change system database password
- if (m_accessControl.isSystemService(user))
- return CKM_API_ERROR_INPUT_PARAM;
-
- loadDKEKFile(user, oldPassword);
- saveDKEKFile(user, newPassword);
+ const int retCode = FileSystem(user).removeUserData()
+ ? CKM_API_ERROR_FILE_SYSTEM
+ : CKM_API_SUCCESS;
- return CKM_API_SUCCESS;
+ return SerializeMessage(retCode);
}
RawBuffer CKMLogic::changeUserPassword(
const Password &oldPassword,
const Password &newPassword)
{
- int retCode = CKM_API_SUCCESS;
-
- try {
- retCode = changeUserPasswordHelper(user, oldPassword, newPassword);
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- } catch (const CKM::Exception &e) {
- LogError("CKM::Exception: " << e.GetMessage());
- retCode = CKM_API_ERROR_SERVER_ERROR;
- }
-
- return MessageBuffer::Serialize(retCode).Pop();
-}
-
-int CKMLogic::resetUserPasswordHelper(
- uid_t user,
- const Password &newPassword)
-{
- // do not allow to reset system database password
- if (m_accessControl.isSystemService(user))
- return CKM_API_ERROR_INPUT_PARAM;
-
- int retCode = CKM_API_SUCCESS;
-
- if (0 == m_userDataMap.count(user)) {
- // Check if key exists. If exists we must return error
- FileSystem fs(user);
- auto wrappedDKEKMain = fs.getDKEK();
+ return SerializeMessage(tryRet([&] {
+ // do not allow to change system database password
+ if (m_accessControl.isSystemService(user))
+ return CKM_API_ERROR_INPUT_PARAM;
- if (!wrappedDKEKMain.empty())
- retCode = CKM_API_ERROR_BAD_REQUEST;
- } else {
+ loadDKEKFile(user, oldPassword);
saveDKEKFile(user, newPassword);
- }
- return retCode;
+ return CKM_API_SUCCESS;
+ }));
}
RawBuffer CKMLogic::resetUserPassword(
uid_t user,
const Password &newPassword)
{
- int retCode = CKM_API_SUCCESS;
-
- try {
- retCode = resetUserPasswordHelper(user, newPassword);
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- } catch (const CKM::Exception &e) {
- LogError("CKM::Exception: " << e.GetMessage());
- retCode = CKM_API_ERROR_SERVER_ERROR;
- }
-
- return MessageBuffer::Serialize(retCode).Pop();
-}
-
-RawBuffer CKMLogic::removeApplicationData(const Label &smackLabel)
-{
- int retCode = CKM_API_SUCCESS;
-
- try {
- if (smackLabel.empty()) {
- retCode = CKM_API_ERROR_INPUT_PARAM;
- } else {
- UidVector uids = FileSystem::getUIDsFromDBFile();
-
- for (auto userId : uids) {
- if (0 == m_userDataMap.count(userId)) {
- FileSystem fs(userId);
- fs.addRemovedApp(smackLabel);
- } else {
- auto &handle = m_userDataMap[userId];
- handle.crypto.removeKey(smackLabel);
- handle.database.deleteKey(smackLabel);
- }
- }
- }
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- } catch (const CKM::Exception &e) {
- LogError("CKM::Exception: " << e.GetMessage());
- retCode = CKM_API_ERROR_SERVER_ERROR;
- }
-
- return MessageBuffer::Serialize(retCode).Pop();
-}
-
-int CKMLogic::checkSaveConditions(
- const Credentials &cred,
- UserData &handler,
- const Name &name,
- const Label &ownerLabel)
-{
- // verify name and label are correct
- if (!isNameValid(name) || !isLabelValid(ownerLabel)) {
- LogDebug("Invalid parameter passed to key-manager");
- return CKM_API_ERROR_INPUT_PARAM;
- }
-
- // check if allowed to save using ownerLabel
- int access_ec = m_accessControl.canSave(cred, ownerLabel);
-
- if (access_ec != CKM_API_SUCCESS) {
- LogDebug("label " << cred.smackLabel << " can not save rows using label " <<
- ownerLabel);
- return access_ec;
- }
+ return SerializeMessage(tryRet([&] {
+ // do not allow to reset system database password
+ if (m_accessControl.isSystemService(user))
+ return CKM_API_ERROR_INPUT_PARAM;
- // check if not a duplicate
- if (handler.database.isNameLabelPresent(name, ownerLabel))
- return CKM_API_ERROR_DB_ALIAS_EXISTS;
+ int retCode = CKM_API_SUCCESS;
- // encryption section
- if (!handler.crypto.haveKey(ownerLabel)) {
- RawBuffer got_key;
- auto key_optional = handler.database.getKey(ownerLabel);
+ if (0 == m_userDataMap.count(user)) {
+ // Check if key exists. If exists we must return error
+ FileSystem fs(user);
+ auto wrappedDKEKMain = fs.getDKEK();
- if (!key_optional) {
- LogDebug("No Key in database found. Generating new one for label: " <<
- ownerLabel);
- got_key = handler.keyProvider.generateDEK(ownerLabel);
- handler.database.saveKey(ownerLabel, got_key);
+ if (!wrappedDKEKMain.empty())
+ retCode = CKM_API_ERROR_BAD_REQUEST;
} else {
- LogDebug("Key from DB");
- got_key = *key_optional;
+ saveDKEKFile(user, newPassword);
}
- got_key = handler.keyProvider.getPureDEK(got_key);
- handler.crypto.pushKey(ownerLabel, got_key);
- }
-
- return CKM_API_SUCCESS;
-}
-
-DB::Row CKMLogic::createEncryptedRow(
- CryptoLogic &crypto,
- const Name &name,
- const Label &label,
- const Crypto::Data &data,
- const Policy &policy) const
-{
- Crypto::GStore &store = m_decider.getStore(data.type, policy.extractable);
-
- // do not encrypt data with password during cc_mode on
- Token token = store.import(data,
- m_accessControl.isCCMode() ? "" : policy.password);
- DB::Row row(std::move(token), name, label,
- static_cast<int>(policy.extractable));
- crypto.encryptRow(row);
- return row;
-}
-
-int CKMLogic::verifyBinaryData(Crypto::Data &input) const
-{
- Crypto::Data dummy;
- return toBinaryData(input, dummy);
+ return retCode;
+ }));
}
-int CKMLogic::toBinaryData(const Crypto::Data &input,
- Crypto::Data &output) const
+RawBuffer CKMLogic::removeApplicationData(const ClientId &owner)
{
- // verify the data integrity
- if (input.type.isKey()) {
- KeyShPtr output_key;
-
- if (input.type.isSKey())
- output_key = CKM::Key::createAES(input.data);
- else
- output_key = CKM::Key::create(input.data);
-
- if (output_key.get() == NULL) {
- LogDebug("provided binary data is not valid key data");
+ return SerializeMessage(tryRet([&] {
+ if (owner.empty())
return CKM_API_ERROR_INPUT_PARAM;
- }
- output = std::move(Crypto::Data(input.type, output_key->getDER()));
- } else if (input.type.isCertificate() || input.type.isChainCert()) {
- CertificateShPtr cert = CKM::Certificate::create(input.data,
- DataFormat::FORM_DER);
+ UidVector uids = FileSystem::getUIDsFromDBFile();
- if (cert.get() == NULL) {
- LogDebug("provided binary data is not valid certificate data");
- return CKM_API_ERROR_INPUT_PARAM;
+ for (auto userId : uids) {
+ if (0 == m_userDataMap.count(userId)) {
+ FileSystem fs(userId);
+ fs.addRemovedApp(owner);
+ } else {
+ auto &handle = m_userDataMap[userId];
+ handle.crypto.removeKey(owner);
+ handle.database.deleteKey(owner);
+ }
}
- output = std::move(Crypto::Data(input.type, cert->getDER()));
- } else {
- output = input;
- }
-
- // TODO: add here BINARY_DATA verification, i.e: max size etc.
- return CKM_API_SUCCESS;
+ return CKM_API_SUCCESS;
+ }));
}
int CKMLogic::verifyAndSaveDataHelper(
const Credentials &cred,
const Name &name,
- const Label &label,
+ const ClientId &owner,
const Crypto::Data &data,
const PolicySerializable &policy)
{
- int retCode = CKM_API_ERROR_UNKNOWN;
-
- try {
+ return tryRet([&] {
// check if data is correct
Crypto::Data binaryData;
- retCode = toBinaryData(data, binaryData);
-
+ int retCode = toBinaryData(data, binaryData);
if (retCode != CKM_API_SUCCESS)
return retCode;
- else
- return saveDataHelper(cred, name, label, binaryData, policy);
- } catch (const Exc::Exception &e) {
- return e.error();
- } catch (const CKM::Exception &e) {
- LogError("CKM::Exception: " << e.GetMessage());
- return CKM_API_ERROR_SERVER_ERROR;
- }
+
+ auto [dbOp, digest, ret] = beginSaveAndGetHash(cred, name, owner);
+ if (ret != CKM_API_SUCCESS)
+ return ret;
+
+ Crypto::GStore &store = m_decider.getStore(binaryData.type, policy);
+
+ // do not encrypt data with password during cc_mode on
+ Token token = store.import(binaryData,
+ m_accessControl.isCCMode() ? "" : policy.password,
+ Crypto::EncryptionParams(), digest);
+ dbOp.finalize(std::move(token), policy);
+ return CKM_API_SUCCESS;
+ });
}
int CKMLogic::getKeyForService(
const Credentials &cred,
const Name &name,
- const Label &label,
+ const ClientId &owner,
const Password &pass,
Crypto::GObjShPtr &key)
{
- DB::Row row;
-
- try {
+ return tryRet([&] {
// Key is for internal service use. It won't be exported to the client
Crypto::GObjUPtr obj;
- int retCode = readDataHelper(false, cred, DataType::DB_KEY_FIRST, name, label,
- pass, obj);
-
+ int retCode = readDataHelper(false, cred, DataType::DB_KEY_FIRST, name, owner, pass, obj);
if (retCode == CKM_API_SUCCESS)
key = std::move(obj);
return retCode;
- } catch (const Exc::Exception &e) {
- return e.error();
- } catch (const CKM::Exception &e) {
- LogError("CKM::Exception: " << e.GetMessage());
- return CKM_API_ERROR_SERVER_ERROR;
- }
+ });
}
RawBuffer CKMLogic::saveData(
const Credentials &cred,
- int commandId,
+ int msgId,
const Name &name,
- const Label &label,
+ const ClientId &owner,
const Crypto::Data &data,
const PolicySerializable &policy)
{
- int retCode = verifyAndSaveDataHelper(cred, name, label, data, policy);
- auto response = MessageBuffer::Serialize(static_cast<int>(LogicCommand::SAVE),
- commandId,
- retCode,
- static_cast<int>(data.type));
- return response.Pop();
-}
-
-int CKMLogic::extractPKCS12Data(
- CryptoLogic &crypto,
- const Name &name,
- const Label &ownerLabel,
- const PKCS12Serializable &pkcs,
- const PolicySerializable &keyPolicy,
- const PolicySerializable &certPolicy,
- DB::RowVector &output) const
-{
- // private key is mandatory
- auto key = pkcs.getKey();
-
- if (!key) {
- LogError("Failed to get private key from pkcs");
- return CKM_API_ERROR_INVALID_FORMAT;
- }
-
- Crypto::Data keyData(DataType(key->getType()), key->getDER());
- int retCode = verifyBinaryData(keyData);
-
- if (retCode != CKM_API_SUCCESS)
- return retCode;
-
- output.push_back(createEncryptedRow(crypto, name, ownerLabel, keyData,
- keyPolicy));
-
- // certificate is mandatory
- auto cert = pkcs.getCertificate();
-
- if (!cert) {
- LogError("Failed to get certificate from pkcs");
- return CKM_API_ERROR_INVALID_FORMAT;
- }
-
- Crypto::Data certData(DataType::CERTIFICATE, cert->getDER());
- retCode = verifyBinaryData(certData);
-
- if (retCode != CKM_API_SUCCESS)
- return retCode;
-
- output.push_back(createEncryptedRow(crypto, name, ownerLabel, certData,
- certPolicy));
-
- // CA cert chain
- unsigned int cert_index = 0;
-
- for (const auto &ca : pkcs.getCaCertificateShPtrVector()) {
- Crypto::Data caCertData(DataType::getChainDatatype(cert_index ++),
- ca->getDER());
- int retCode = verifyBinaryData(caCertData);
-
- if (retCode != CKM_API_SUCCESS)
- return retCode;
-
- output.push_back(createEncryptedRow(crypto, name, ownerLabel, caCertData,
- certPolicy));
- }
-
- return CKM_API_SUCCESS;
+ int retCode = verifyAndSaveDataHelper(cred, name, owner, data, policy);
+ return SerializeMessage(msgId, retCode, data.type);
}
RawBuffer CKMLogic::savePKCS12(
const Credentials &cred,
- int commandId,
+ int msgId,
const Name &name,
- const Label &label,
+ const ClientId &owner,
const PKCS12Serializable &pkcs,
const PolicySerializable &keyPolicy,
const PolicySerializable &certPolicy)
{
- int retCode = CKM_API_ERROR_UNKNOWN;
-
- try {
- retCode = saveDataHelper(cred, name, label, pkcs, keyPolicy, certPolicy);
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- } catch (const CKM::Exception &e) {
- LogError("CKM::Exception: " << e.GetMessage());
- retCode = CKM_API_ERROR_SERVER_ERROR;
- }
-
- auto response = MessageBuffer::Serialize(static_cast<int>
- (LogicCommand::SAVE_PKCS12),
- commandId,
- retCode);
- return response.Pop();
-}
+ return SerializeMessage(msgId, tryRet([&] {
+ auto [dbOp, retCode] = beginSave(cred, name, owner);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
+ // extract and encrypt the data
+ DB::RowVector encryptedRows;
-int CKMLogic::removeDataHelper(
- const Credentials &cred,
- const Name &name,
- const Label &label)
-{
- auto &handler = selectDatabase(cred, label);
+ auto import = [&](const Crypto::Data &data, const Policy& policy){
+ retCode = verifyBinaryData(data);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
- // use client label if not explicitly provided
- const Label &ownerLabel = label.empty() ? cred.smackLabel : label;
+ auto digest = CryptoLogic::makeHash(name, owner, cred.clientUid, data.type);
+ if (digest.empty())
+ return CKM_API_ERROR_HASH_ERROR;
- if (!isNameValid(name) || !isLabelValid(ownerLabel)) {
- LogDebug("Invalid label or name format");
- return CKM_API_ERROR_INPUT_PARAM;
- }
+ Crypto::GStore &store = m_decider.getStore(data.type, policy);
- DB::Crypto::Transaction transaction(&handler.database);
+ // do not encrypt data with password during cc_mode on
+ Token token = store.import(data,
+ m_accessControl.isCCMode() ? "" : policy.password,
+ Crypto::EncryptionParams(), digest);
- // read and check permissions
- PermissionMaskOptional permissionRowOpt =
- handler.database.getPermissionRow(name, ownerLabel, cred.smackLabel);
- int retCode = m_accessControl.canDelete(cred,
- PermissionForLabel(cred.smackLabel, permissionRowOpt));
+ encryptedRows.push_back(dbOp.encryptOne(std::move(token), policy));
+ return CKM_API_SUCCESS;
+ };
- if (retCode != CKM_API_SUCCESS) {
- LogWarning("access control check result: " << retCode);
- return retCode;
- }
-
- // get all matching rows
- DB::RowVector rows;
- handler.database.getRows(name, ownerLabel, DataType::DB_FIRST,
- DataType::DB_LAST, rows);
+ // private key is mandatory
+ auto key = pkcs.getKey();
+ if (!key) {
+ LogError("Failed to get private key from pkcs");
+ return CKM_API_ERROR_INVALID_FORMAT;
+ }
- if (rows.empty()) {
- LogDebug("No row for given name and label");
- return CKM_API_ERROR_DB_ALIAS_UNKNOWN;
- }
+ Crypto::Data keyData(DataType(key->getType()), key->getDER());
+ retCode = import(keyData, keyPolicy);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
- // load app key if needed
- retCode = loadAppKey(handler, rows.front().ownerLabel);
+ // certificate is mandatory
+ auto cert = pkcs.getCertificate();
+ if (!cert) {
+ LogError("Failed to get certificate from pkcs");
+ return CKM_API_ERROR_INVALID_FORMAT;
+ }
- if (CKM_API_SUCCESS != retCode)
- return retCode;
+ Crypto::Data certData(DataType::CERTIFICATE, cert->getDER());
+ retCode = import(certData, certPolicy);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
- // destroy it in store
- for (auto &r : rows) {
- try {
- handler.crypto.decryptRow(Password(), r);
- m_decider.getStore(r).destroy(r);
- } catch (const Exc::AuthenticationFailed &) {
- LogDebug("Authentication failed when removing data. Ignored.");
+ // CA cert chain
+ unsigned int cert_index = 0;
+ for (const auto &ca : pkcs.getCaCertificateShPtrVector()) {
+ Crypto::Data caCertData(DataType::getChainDatatype(cert_index ++), ca->getDER());
+ retCode = import(caCertData, certPolicy);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
}
- }
- // delete row in db
- handler.database.deleteRow(name, ownerLabel);
- transaction.commit();
+ // save the data
+ dbOp.database().saveRows(name, owner, encryptedRows);
+ dbOp.transaction().commit();
- return CKM_API_SUCCESS;
+ return CKM_API_SUCCESS;
+ }));
}
RawBuffer CKMLogic::removeData(
const Credentials &cred,
- int commandId,
+ int msgId,
const Name &name,
- const Label &label)
+ const ClientId &owner)
{
- int retCode = CKM_API_ERROR_UNKNOWN;
+ return SerializeMessage(msgId, tryRet([&] {
+ auto [dbOp, permission, retCode] = beginAndGetPerm(cred, name, owner);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
- try {
- retCode = removeDataHelper(cred, name, label);
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- } catch (const CKM::Exception &e) {
- LogError("Error: " << e.GetMessage());
- retCode = CKM_API_ERROR_DB_ERROR;
- }
+ retCode = m_accessControl.canDelete(cred, permission);
+ if (retCode != CKM_API_SUCCESS) {
+ LogWarning("access control check result: " << retCode);
+ return retCode;
+ }
- auto response = MessageBuffer::Serialize(static_cast<int>(LogicCommand::REMOVE),
- commandId,
- retCode);
- return response.Pop();
-}
+ // get all matching rows
+ DB::RowVector rows;
+ dbOp.database().getRows(name, owner, DataType::DB_FIRST, DataType::DB_LAST, rows);
+ if (rows.empty()) {
+ LogDebug("No row for given name and owner");
+ return CKM_API_ERROR_DB_ALIAS_UNKNOWN;
+ }
-int CKMLogic::readSingleRow(const Name &name,
- const Label &ownerLabel,
- DataType dataType,
- DB::Crypto &database,
- DB::Row &row)
-{
- DB::Crypto::RowOptional row_optional;
+ retCode = dbOp.loadAppKey();
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
- if (dataType.isKey()) {
- // read all key types
- row_optional = database.getRow(name,
- ownerLabel,
- DataType::DB_KEY_FIRST,
- DataType::DB_KEY_LAST);
- } else {
- // read anything else
- row_optional = database.getRow(name,
- ownerLabel,
- dataType);
- }
+ // destroy it in store
+ for (auto &r : rows) {
+ try {
+ dbOp.handler().crypto.decryptRow(Password(), r);
+ m_decider.getStore(r).destroy(r);
+ } catch (const Exc::AuthenticationFailed &) {
+ LogDebug("Authentication failed when removing data. Ignored.");
+ }
+ }
- if (!row_optional) {
- LogDebug("No row for given name, label and type");
- return CKM_API_ERROR_DB_ALIAS_UNKNOWN;
- } else {
- row = *row_optional;
- }
+ // delete row in db
+ dbOp.database().deleteRow(name, owner);
+ dbOp.transaction().commit();
- return CKM_API_SUCCESS;
+ return CKM_API_SUCCESS;
+ }));
}
-int CKMLogic::readMultiRow(const Name &name,
- const Label &ownerLabel,
- DataType dataType,
- DB::Crypto &database,
- DB::RowVector &output)
-{
- if (dataType.isKey())
- // read all key types
- database.getRows(name,
- ownerLabel,
- DataType::DB_KEY_FIRST,
- DataType::DB_KEY_LAST,
- output);
- else if (dataType.isChainCert())
- // read all key types
- database.getRows(name,
- ownerLabel,
- DataType::DB_CHAIN_FIRST,
- DataType::DB_CHAIN_LAST,
- output);
- else
- // read anything else
- database.getRows(name,
- ownerLabel,
- dataType,
- output);
-
- if (!output.size()) {
- LogDebug("No row for given name, label and type");
- return CKM_API_ERROR_DB_ALIAS_UNKNOWN;
- }
-
- return CKM_API_SUCCESS;
-}
-
-int CKMLogic::checkDataPermissionsHelper(const Credentials &cred,
- const Name &name,
- const Label &ownerLabel,
- const Label &accessorLabel,
+int CKMLogic::checkDataPermissionsHelper(const Credentials &accessorCred,
const DB::Row &row,
bool exportFlag,
- DB::Crypto &database)
+ const PermissionMask& permission)
{
- PermissionMaskOptional permissionRowOpt =
- database.getPermissionRow(name, ownerLabel, accessorLabel);
-
if (exportFlag)
- return m_accessControl.canExport(cred, row, PermissionForLabel(accessorLabel,
- permissionRowOpt));
+ return m_accessControl.canExport(accessorCred, row, permission);
- return m_accessControl.canRead(cred, PermissionForLabel(accessorLabel,
- permissionRowOpt));
+ return m_accessControl.canRead(accessorCred, permission);
}
-Crypto::GObjUPtr CKMLogic::rowToObject(
+void CKMLogic::decryptRow(
UserData &handler,
- DB::Row row,
- const Password &password)
+ DB::Row &row,
+ const Password &password,
+ const RawBuffer &hash)
{
- Crypto::GStore &store = m_decider.getStore(row);
-
- Password pass = m_accessControl.isCCMode() ? "" : password;
-
- // decrypt row
- Crypto::GObjUPtr obj;
-
if (CryptoLogic::getSchemeVersion(row.encryptionScheme) ==
CryptoLogic::ENCRYPTION_V2) {
handler.crypto.decryptRow(Password(), row);
-
- obj = store.getObject(row, pass);
} else {
+ Crypto::GStore &store = m_decider.getStore(row);
+
+ Password pass = m_accessControl.isCCMode() ? "" : password;
+
// decrypt entirely with old scheme: b64(pass(appkey(data))) -> data
handler.crypto.decryptRow(pass, row);
// destroy it in store
store.destroy(row);
// import it to store with new scheme: data -> pass(data)
- Token token = store.import(Crypto::Data(row.dataType, row.data), pass);
-
- // get it from the store (it can be different than the data we imported into store)
- obj = store.getObject(token, pass);
+ Token token = store.import(Crypto::Data(row.dataType, row.data),
+ pass,
+ Crypto::EncryptionParams(),
+ hash);
// update row with new token
*static_cast<Token *>(&row) = std::move(token);
// encrypt it with app key: pass(data) -> b64(appkey(pass(data))
- handler.crypto.encryptRow(row);
+ auto encryptedRow = handler.crypto.encryptRow(row);
// update it in db
- handler.database.updateRow(row);
+ handler.database.updateRow(encryptedRow);
}
+}
- return obj;
+Crypto::GObjUPtr CKMLogic::rowToObject(
+ UserData &handler,
+ DB::Row row,
+ const Password &password,
+ const RawBuffer &hash)
+{
+ decryptRow(handler, row, password, hash);
+
+ return decryptedRowToObj(row, password);
}
int CKMLogic::readDataHelper(
const Credentials &cred,
DataType dataType,
const Name &name,
- const Label &label,
+ const ClientId &owner,
const Password &password,
Crypto::GObjUPtrVector &objs)
{
- auto &handler = selectDatabase(cred, label);
-
- // use client label if not explicitly provided
- const Label &ownerLabel = label.empty() ? cred.smackLabel : label;
-
- if (!isNameValid(name) || !isLabelValid(ownerLabel))
- return CKM_API_ERROR_INPUT_PARAM;
+ auto [dbOp, permission, retCode] = beginAndGetPerm(cred, name, owner);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
// read rows
- DB::Crypto::Transaction transaction(&handler.database);
DB::RowVector rows;
- int retCode = readMultiRow(name, ownerLabel, dataType, handler.database, rows);
-
+ retCode = readMultiRow(name, owner, dataType, dbOp.database(), rows);
if (CKM_API_SUCCESS != retCode)
return retCode;
DB::Row &firstRow = rows.at(0);
// check access rights
- retCode = checkDataPermissionsHelper(cred, name, ownerLabel, cred.smackLabel,
- firstRow, exportFlag, handler.database);
-
+ retCode = checkDataPermissionsHelper(cred, firstRow, exportFlag, permission);
if (CKM_API_SUCCESS != retCode)
return retCode;
- // load app key if needed
- retCode = loadAppKey(handler, firstRow.ownerLabel);
+ // for multiple objects add type as hash input (see pkcs12)
+ bool multiple = rows.size() > 1;
- if (CKM_API_SUCCESS != retCode)
+ RawBuffer digest;
+
+ retCode = dbOp.loadAppKey();
+ if (retCode != CKM_API_SUCCESS)
return retCode;
// decrypt row
- for (auto &row : rows)
- objs.push_back(rowToObject(handler, std::move(row), password));
+ for (auto &row : rows) {
+ if (multiple)
+ digest = CryptoLogic::makeHash(name, owner, cred.clientUid, row.dataType);
+ else
+ digest = CryptoLogic::makeHash(name, owner, cred.clientUid);
+
+ if (digest.empty())
+ return CKM_API_ERROR_HASH_ERROR;
+
+ objs.push_back(rowToObject(dbOp.handler(), std::move(row), password, digest));
+ }
// rowToObject may modify db
- transaction.commit();
+ dbOp.transaction().commit();
return CKM_API_SUCCESS;
}
const Credentials &cred,
DataType dataType,
const Name &name,
- const Label &label,
+ const ClientId &owner,
const Password &password,
Crypto::GObjUPtr &obj)
{
DataType objDataType;
- return readDataHelper(exportFlag, cred, dataType, name, label, password, obj,
- objDataType);
+ return readDataHelper(exportFlag, cred, dataType, name, owner,
+ password, obj, objDataType);
}
-int CKMLogic::readDataHelper(
+int CKMLogic::readRowHelper(
bool exportFlag,
const Credentials &cred,
DataType dataType,
const Name &name,
- const Label &label,
+ const ClientId &owner,
const Password &password,
- Crypto::GObjUPtr &obj,
+ DB::Row &row,
DataType &objDataType)
{
- auto &handler = selectDatabase(cred, label);
-
- // use client label if not explicitly provided
- const Label &ownerLabel = label.empty() ? cred.smackLabel : label;
-
- if (!isNameValid(name) || !isLabelValid(ownerLabel))
- return CKM_API_ERROR_INPUT_PARAM;
-
- // read row
- DB::Crypto::Transaction transaction(&handler.database);
- DB::Row row;
- int retCode = readSingleRow(name, ownerLabel, dataType, handler.database, row);
+ auto [dbOp, permission, retCode] = beginAndGetPerm(cred, name, owner);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
+ retCode = readSingleRow(name, owner, dataType, dbOp.database(), row);
if (CKM_API_SUCCESS != retCode)
return retCode;
+ retCode = dbOp.loadAppKey();
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
+
objDataType = row.dataType;
// check access rights
- retCode = checkDataPermissionsHelper(cred, name, ownerLabel, cred.smackLabel,
- row, exportFlag, handler.database);
-
- if (CKM_API_SUCCESS != retCode)
+ retCode = checkDataPermissionsHelper(cred, row, exportFlag, permission);
+ if (retCode != CKM_API_SUCCESS)
return retCode;
- // load app key if needed
- retCode = loadAppKey(handler, row.ownerLabel);
+ auto digest = CryptoLogic::makeHash(name, owner, cred.clientUid);
+ if (digest.empty())
+ return CKM_API_ERROR_HASH_ERROR;
- if (CKM_API_SUCCESS != retCode)
- return retCode;
+ decryptRow(dbOp.handler(), row, password, digest);
- obj = rowToObject(handler, std::move(row), password);
- // rowToObject may modify db
- transaction.commit();
+ // decryptRow may modify db
+ dbOp.transaction().commit();
return CKM_API_SUCCESS;
}
-RawBuffer CKMLogic::getData(
+Crypto::GObjUPtr CKMLogic::decryptedRowToObj(const DB::Row& row, const Password &password)
+{
+ Crypto::GStore &store = m_decider.getStore(row);
+
+ Password pass = m_accessControl.isCCMode() ? "" : password;
+ return store.getObject(row, pass);
+}
+
+int CKMLogic::readDataHelper(
+ bool exportFlag,
const Credentials &cred,
- int commandId,
DataType dataType,
const Name &name,
- const Label &label,
- const Password &password)
+ const ClientId &owner,
+ const Password &password,
+ Crypto::GObjUPtr &obj,
+ DataType &objDataType)
{
- int retCode = CKM_API_SUCCESS;
DB::Row row;
- DataType objDataType;
-
- try {
- Crypto::GObjUPtr obj;
- retCode = readDataHelper(true, cred, dataType, name, label, password, obj,
- objDataType);
-
- if (retCode == CKM_API_SUCCESS)
- row.data = std::move(obj->getBinary());
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- } catch (const CKM::Exception &e) {
- LogError("CKM::Exception: " << e.GetMessage());
- retCode = CKM_API_ERROR_SERVER_ERROR;
- }
+ int retCode = readRowHelper(exportFlag, cred, dataType, name, owner, password, row, objDataType);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
- if (CKM_API_SUCCESS != retCode) {
- row.data.clear();
- row.dataType = dataType;
- }
+ obj = decryptedRowToObj(row, password);
- auto response = MessageBuffer::Serialize(static_cast<int>(LogicCommand::GET),
- commandId,
- retCode,
- static_cast<int>(objDataType),
- row.data);
- return response.Pop();
+ return CKM_API_SUCCESS;
}
-int CKMLogic::getPKCS12Helper(
+RawBuffer CKMLogic::getData(
const Credentials &cred,
+ int msgId,
+ DataType dataType,
const Name &name,
- const Label &label,
- const Password &keyPassword,
- const Password &certPassword,
- KeyShPtr &privKey,
- CertificateShPtr &cert,
- CertificateShPtrVector &caChain)
+ const ClientId &owner,
+ const Password &password)
{
- int retCode;
-
- // read private key (mandatory)
- Crypto::GObjUPtr keyObj;
- retCode = readDataHelper(true, cred, DataType::DB_KEY_FIRST, name, label,
- keyPassword, keyObj);
-
- if (retCode != CKM_API_SUCCESS)
- return retCode;
+ RawBuffer rowData;
+ DataType objDataType;
- privKey = CKM::Key::create(keyObj->getBinary());
+ int retCode = tryRet([&] {
+ Crypto::GObjUPtr obj;
+ int retCode2 = readDataHelper(true, cred, dataType, name, owner,
+ password, obj, objDataType);
- // read certificate (mandatory)
- Crypto::GObjUPtr certObj;
- retCode = readDataHelper(true, cred, DataType::CERTIFICATE, name, label,
- certPassword, certObj);
+ if (retCode2 == CKM_API_SUCCESS)
+ rowData = obj->getBinary();
- if (retCode != CKM_API_SUCCESS)
- return retCode;
+ return retCode2;
+ });
- cert = CKM::Certificate::create(certObj->getBinary(), DataFormat::FORM_DER);
+ if (CKM_API_SUCCESS != retCode)
+ rowData.clear();
- // read CA cert chain (optional)
- Crypto::GObjUPtrVector caChainObjs;
- retCode = readDataHelper(true, cred, DataType::DB_CHAIN_FIRST, name, label,
- certPassword, caChainObjs);
+ return SerializeMessage(msgId, retCode, objDataType, rowData);
+}
- if (retCode != CKM_API_SUCCESS &&
- retCode != CKM_API_ERROR_DB_ALIAS_UNKNOWN)
- return retCode;
+RawBuffer CKMLogic::getDataProtectionStatus(
+ const Credentials &cred,
+ int msgId,
+ DataType dataType,
+ const Name &name,
+ const ClientId &owner)
+{
+ bool status = false;
+ DataType objDataType;
+ Password password;
- for (auto &caCertObj : caChainObjs)
- caChain.push_back(CKM::Certificate::create(caCertObj->getBinary(),
- DataFormat::FORM_DER));
+ int retCode = tryRet([&] {
+ Crypto::GObjUPtr obj;
+ return readDataHelper(false, cred, dataType, name, owner, password, obj, objDataType);
+ });
- // if anything found, return it
- if (privKey || cert || caChain.size() > 0)
+ if (retCode == CKM_API_ERROR_AUTHENTICATION_FAILED) {
+ status = true;
retCode = CKM_API_SUCCESS;
+ }
- return retCode;
+ return SerializeMessage(msgId, retCode, objDataType, status);
}
RawBuffer CKMLogic::getPKCS12(
const Credentials &cred,
- int commandId,
+ int msgId,
const Name &name,
- const Label &label,
+ const ClientId &owner,
const Password &keyPassword,
const Password &certPassword)
{
- int retCode = CKM_API_ERROR_UNKNOWN;
-
PKCS12Serializable output;
- try {
+ int retCode = tryRet([&] {
KeyShPtr privKey;
CertificateShPtr cert;
CertificateShPtrVector caChain;
- retCode = getPKCS12Helper(cred, name, label, keyPassword, certPassword, privKey,
- cert, caChain);
+
+ // read private key (mandatory)
+ Crypto::GObjUPtr keyObj;
+ int retCode2 = readDataHelper(true, cred, DataType::DB_KEY_FIRST, name, owner,
+ keyPassword, keyObj);
+
+ if (retCode2 != CKM_API_SUCCESS) {
+ if (retCode2 != CKM_API_ERROR_NOT_EXPORTABLE)
+ return retCode2;
+ } else {
+ privKey = CKM::Key::create(keyObj->getBinary());
+ }
+
+ // read certificate (mandatory)
+ Crypto::GObjUPtr certObj;
+ retCode2 = readDataHelper(true, cred, DataType::CERTIFICATE, name, owner,
+ certPassword, certObj);
+
+ if (retCode2 != CKM_API_SUCCESS) {
+ if (retCode2 != CKM_API_ERROR_NOT_EXPORTABLE)
+ return retCode2;
+ } else {
+ cert = CKM::Certificate::create(certObj->getBinary(), DataFormat::FORM_DER);
+ }
+
+ // read CA cert chain (optional)
+ Crypto::GObjUPtrVector caChainObjs;
+ retCode2 = readDataHelper(true, cred, DataType::DB_CHAIN_FIRST, name, owner,
+ certPassword, caChainObjs);
+
+ if (retCode2 != CKM_API_SUCCESS && retCode2 != CKM_API_ERROR_DB_ALIAS_UNKNOWN) {
+ if (retCode2 != CKM_API_ERROR_NOT_EXPORTABLE)
+ return retCode2;
+ } else {
+ for (auto &caCertObj : caChainObjs)
+ caChain.push_back(CKM::Certificate::create(caCertObj->getBinary(),
+ DataFormat::FORM_DER));
+ }
+
+ // if anything found, return it
+ if (privKey || cert || caChain.size() > 0)
+ retCode2 = CKM_API_SUCCESS;
// prepare response
- if (retCode == CKM_API_SUCCESS)
- output = PKCS12Serializable(std::move(privKey), std::move(cert),
- std::move(caChain));
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- } catch (const CKM::Exception &e) {
- LogError("CKM::Exception: " << e.GetMessage());
- retCode = CKM_API_ERROR_SERVER_ERROR;
- }
+ if (retCode2 != CKM_API_SUCCESS)
+ return retCode2;
+
+ output = PKCS12Serializable(std::move(privKey), std::move(cert), std::move(caChain));
+ return CKM_API_SUCCESS;
+ });
- auto response = MessageBuffer::Serialize(static_cast<int>
- (LogicCommand::GET_PKCS12),
- commandId,
- retCode,
- output);
- return response.Pop();
+ return SerializeMessage(msgId, retCode, output);
}
-int CKMLogic::getDataListHelper(const Credentials &cred,
- const DataType dataType,
- LabelNameVector &labelNameVector)
+int CKMLogic::getAliasInfoListHelper(const Credentials &cred,
+ const DataType dataType,
+ AliasInfoVector &aliasInfoVector)
{
int retCode = CKM_API_ERROR_DB_LOCKED;
if (0 < m_userDataMap.count(cred.clientUid)) {
auto &database = m_userDataMap[cred.clientUid].database;
- try {
- LabelNameVector tmpVector;
+ retCode = tryRet<CKM_API_ERROR_DB_ERROR>([&] {
+ AliasInfoVector tmpVector;
if (dataType.isKey()) {
// list all key types
- database.listNames(cred.smackLabel,
+ database.listInfos(cred.client,
tmpVector,
DataType::DB_KEY_FIRST,
DataType::DB_KEY_LAST);
} else {
// list anything else
- database.listNames(cred.smackLabel,
- tmpVector,
- dataType);
+ database.listInfos(cred.client, tmpVector, dataType);
}
- labelNameVector.insert(labelNameVector.end(), tmpVector.begin(),
- tmpVector.end());
- retCode = CKM_API_SUCCESS;
- } catch (const CKM::Exception &e) {
- LogError("Error: " << e.GetMessage());
- retCode = CKM_API_ERROR_DB_ERROR;
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- }
+ aliasInfoVector.insert(aliasInfoVector.end(), tmpVector.begin(), tmpVector.end());
+ return CKM_API_SUCCESS;
+ });
}
return retCode;
RawBuffer CKMLogic::getDataList(
const Credentials &cred,
- int commandId,
+ int msgId,
DataType dataType)
{
- LabelNameVector systemVector;
- LabelNameVector userVector;
- LabelNameVector labelNameVector;
+ AliasInfoVector systemVector;
+ AliasInfoVector userVector;
+ AliasInfoVector aliasInfoVector;
int retCode = unlockSystemDB();
// system database
if (m_accessControl.isSystemService(cred)) {
// lookup system DB
- retCode = getDataListHelper(Credentials(SYSTEM_DB_UID,
- OWNER_ID_SYSTEM),
- dataType,
- systemVector);
+ retCode = getAliasInfoListHelper(Credentials(SYSTEM_DB_UID, CLIENT_ID_SYSTEM),
+ dataType,
+ systemVector);
} else {
// user - lookup system, then client DB
- retCode = getDataListHelper(Credentials(SYSTEM_DB_UID,
- cred.smackLabel),
- dataType,
- systemVector);
+ retCode = getAliasInfoListHelper(Credentials(SYSTEM_DB_UID, cred.client),
+ dataType,
+ systemVector);
// private database
if (retCode == CKM_API_SUCCESS) {
- retCode = getDataListHelper(cred,
- dataType,
- userVector);
+ retCode = getAliasInfoListHelper(cred,
+ dataType,
+ userVector);
}
}
}
if (retCode == CKM_API_SUCCESS) {
- labelNameVector.insert(labelNameVector.end(), systemVector.begin(),
+ aliasInfoVector.insert(aliasInfoVector.end(), systemVector.begin(),
systemVector.end());
- labelNameVector.insert(labelNameVector.end(), userVector.begin(),
+ aliasInfoVector.insert(aliasInfoVector.end(), userVector.begin(),
userVector.end());
}
- auto response = MessageBuffer::Serialize(static_cast<int>
- (LogicCommand::GET_LIST),
- commandId,
- retCode,
- static_cast<int>(dataType),
- labelNameVector);
- return response.Pop();
+ return SerializeMessage(msgId, retCode, dataType, AliasInfoSerializableVector(aliasInfoVector));
}
int CKMLogic::importInitialData(
const Name &name,
const Crypto::Data &data,
- const Crypto::DataEncryption &enc,
+ const Crypto::EncryptionParams &encParams,
const Policy &policy)
{
try {
- // Inital values are always imported with root credentials. Label is not important.
- Credentials rootCred(0, "");
-
- auto &handler = selectDatabase(rootCred, OWNER_ID_SYSTEM);
-
- // check if save is possible
- DB::Crypto::Transaction transaction(&handler.database);
- int retCode = checkSaveConditions(rootCred, handler, name, OWNER_ID_SYSTEM);
+ return tryRet([&] {
+ if (encParams.iv.empty() != encParams.tag.empty()) {
+ LogError("Both iv and tag must be empty or set");
+ return CKM_API_ERROR_INPUT_PARAM;
+ }
- if (retCode != CKM_API_SUCCESS)
- return retCode;
+ // Inital values are always imported with root credentials. Client id is not important.
+ Credentials rootCred(0, "whatever");
+ ClientId owner(CLIENT_ID_SYSTEM);
- Crypto::GStore &store =
- m_decider.getStore(data.type, policy.extractable, !enc.encryptedKey.empty());
+ auto [dbOp, digest, retCode] = beginSaveAndGetHash(rootCred, name, owner);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
- Token token;
+ Crypto::GStore &store = m_decider.getStore(data.type, policy, true, !encParams.iv.empty());
- if (enc.encryptedKey.empty()) {
- Crypto::Data binaryData;
+ Token token;
+ if (encParams.iv.empty()) {
+ // Data are not encrypted, let's try to verify them
+ Crypto::Data binaryData;
- if (CKM_API_SUCCESS != (retCode = toBinaryData(data, binaryData)))
- return retCode;
+ if (CKM_API_SUCCESS != (retCode = toBinaryData(data, binaryData)))
+ return retCode;
- token = store.import(binaryData,
- m_accessControl.isCCMode() ? "" : policy.password);
- } else {
- token = store.importEncrypted(data,
- m_accessControl.isCCMode() ? "" : policy.password, enc);
- }
+ token = store.import(binaryData,
+ m_accessControl.isCCMode() ? "" : policy.password,
+ encParams, digest);
+ } else {
+ token = store.import(data,
+ m_accessControl.isCCMode() ? "" : policy.password,
+ encParams, digest);
+ }
- DB::Row row(std::move(token), name, OWNER_ID_SYSTEM,
- static_cast<int>(policy.extractable));
- handler.crypto.encryptRow(row);
+ dbOp.finalize(std::move(token), policy);
- handler.database.saveRow(row);
- transaction.commit();
- } catch (const Exc::Exception &e) {
- return e.error();
- } catch (const CKM::Exception &e) {
- LogError("CKM::Exception: " << e.GetMessage());
- return CKM_API_ERROR_SERVER_ERROR;
+ return CKM_API_SUCCESS;
+ });
} catch (const std::exception &e) {
LogError("Std::exception: " << e.what());
return CKM_API_ERROR_SERVER_ERROR;
}
-
- return CKM_API_SUCCESS;
}
-int CKMLogic::saveDataHelper(
- const Credentials &cred,
- const Name &name,
- const Label &label,
- const Crypto::Data &data,
- const PolicySerializable &policy)
+int CKMLogic::DBOperation::loadAppKey(bool keyRequired)
{
- auto &handler = selectDatabase(cred, label);
-
- // use client label if not explicitly provided
- const Label &ownerLabel = label.empty() ? cred.smackLabel : label;
-
- if (m_accessControl.isSystemService(cred) &&
- ownerLabel.compare(OWNER_ID_SYSTEM) != 0)
- return CKM_API_ERROR_INPUT_PARAM;
-
- // check if save is possible
- DB::Crypto::Transaction transaction(&handler.database);
- int retCode = checkSaveConditions(cred, handler, name, ownerLabel);
-
- if (retCode != CKM_API_SUCCESS)
- return retCode;
+ if (!m_handler.crypto.haveKey(m_owner)) {
+ RawBuffer wrappedDEK;
+ auto wrappedDEKOptional = m_handler.database.getKey(m_owner);
+
+ if (!wrappedDEKOptional) {
+ if (keyRequired) {
+ LogError("No key for given owner in database");
+ return CKM_API_ERROR_DB_ERROR;
+ }
+ LogDebug("No Key in database found. Generating new one for client: " << m_owner);
+ wrappedDEK = m_handler.keyProvider.generateDEK(m_owner);
+ m_handler.database.saveKey(m_owner, wrappedDEK);
+ } else {
+ wrappedDEK = *wrappedDEKOptional;
+ }
- // save the data
- DB::Row encryptedRow = createEncryptedRow(handler.crypto, name, ownerLabel,
- data, policy);
- handler.database.saveRow(encryptedRow);
+ m_handler.crypto.pushKey(m_owner, m_handler.keyProvider.getPureDEK(wrappedDEK));
+ }
- transaction.commit();
return CKM_API_SUCCESS;
}
-int CKMLogic::saveDataHelper(
+std::tuple<CKMLogic::DBOperation, int> CKMLogic::begin(
const Credentials &cred,
const Name &name,
- const Label &label,
- const PKCS12Serializable &pkcs,
- const PolicySerializable &keyPolicy,
- const PolicySerializable &certPolicy)
+ const ClientId &owner)
{
- auto &handler = selectDatabase(cred, label);
-
- // use client label if not explicitly provided
- const Label &ownerLabel = label.empty() ? cred.smackLabel : label;
-
- if (m_accessControl.isSystemService(cred) &&
- ownerLabel.compare(OWNER_ID_SYSTEM) != 0)
- return CKM_API_ERROR_INPUT_PARAM;
-
- // check if save is possible
- DB::Crypto::Transaction transaction(&handler.database);
- int retCode = checkSaveConditions(cred, handler, name, ownerLabel);
+ auto &handler = selectDatabase(cred, owner);
+ DBOperation op(handler, name, owner);
- if (retCode != CKM_API_SUCCESS)
- return retCode;
-
- // extract and encrypt the data
- DB::RowVector encryptedRows;
- retCode = extractPKCS12Data(handler.crypto, name, ownerLabel, pkcs, keyPolicy,
- certPolicy, encryptedRows);
-
- if (retCode != CKM_API_SUCCESS)
- return retCode;
+ if (cred.client.empty() || !isClientValid(cred.client) ||
+ !isNameValid(name) || !isClientValid(owner))
+ return std::make_tuple(std::move(op), CKM_API_ERROR_INPUT_PARAM);
- // save the data
- handler.database.saveRows(name, ownerLabel, encryptedRows);
- transaction.commit();
-
- return CKM_API_SUCCESS;
+ return std::make_tuple(std::move(op), CKM_API_SUCCESS);
}
-
-int CKMLogic::createKeyAESHelper(
+std::tuple<CKMLogic::DBOperation, PermissionMask, int> CKMLogic::beginAndGetPerm(
const Credentials &cred,
- const int size,
const Name &name,
- const Label &label,
- const PolicySerializable &policy)
+ const ClientId &owner)
{
- auto &handler = selectDatabase(cred, label);
-
- // use client label if not explicitly provided
- const Label &ownerLabel = label.empty() ? cred.smackLabel : label;
+ PermissionMask permission = Permission::NONE;
+ auto [dbOp, retCode] = begin(cred, name, owner);
+ if (retCode == CKM_API_SUCCESS)
+ permission = toPermissionMask(dbOp.database().getPermissionRow(name, owner, cred.client));
- if (m_accessControl.isSystemService(cred) &&
- ownerLabel.compare(OWNER_ID_SYSTEM) != 0)
- return CKM_API_ERROR_INPUT_PARAM;
-
- // check if save is possible
- DB::Crypto::Transaction transaction(&handler.database);
- int retCode = checkSaveConditions(cred, handler, name, ownerLabel);
+ return std::make_tuple(std::move(dbOp), permission, retCode);
+}
+std::tuple<CKMLogic::DBOperation, int> CKMLogic::beginSave(
+ const Credentials &cred,
+ const Name &name,
+ const ClientId &owner)
+{
+ auto [dbOp, retCode] = begin(cred, name, owner);
if (retCode != CKM_API_SUCCESS)
- return retCode;
+ return std::make_tuple(std::move(dbOp), retCode);
- // create key in store
- CryptoAlgorithm keyGenAlgorithm;
- keyGenAlgorithm.setParam(ParamName::ALGO_TYPE, AlgoType::AES_GEN);
- keyGenAlgorithm.setParam(ParamName::GEN_KEY_LEN, size);
- Token key = m_decider.getStore(DataType::KEY_AES,
- policy.extractable).generateSKey(keyGenAlgorithm, policy.password);
+ retCode = dbOp.loadAppKey(false);
+ if (retCode != CKM_API_SUCCESS)
+ return std::make_tuple(std::move(dbOp), retCode);
- // save the data
- DB::Row row(std::move(key), name, ownerLabel,
- static_cast<int>(policy.extractable));
- handler.crypto.encryptRow(row);
+ // check if accessor is allowed to save owner's items
+ retCode = m_accessControl.canSave(cred, owner);
+ if (retCode != CKM_API_SUCCESS) {
+ LogDebug("accessor " << cred.client << " can not save rows owned by " << owner);
+ return std::make_tuple(std::move(dbOp), retCode);
+ }
- handler.database.saveRow(row);
+ if (dbOp.database().isNameOwnerPresent(name, owner))
+ retCode = CKM_API_ERROR_DB_ALIAS_EXISTS;
- transaction.commit();
- return CKM_API_SUCCESS;
+ return std::make_tuple(std::move(dbOp), retCode);
}
-int CKMLogic::createKeyPairHelper(
+std::tuple<CKMLogic::DBOperation, RawBuffer, int> CKMLogic::beginSaveAndGetHash(
const Credentials &cred,
- const CryptoAlgorithmSerializable &keyGenParams,
- const Name &namePrivate,
- const Label &labelPrivate,
- const Name &namePublic,
- const Label &labelPublic,
- const PolicySerializable &policyPrivate,
- const PolicySerializable &policyPublic)
+ const Name &name,
+ const ClientId &owner)
{
- auto &handlerPriv = selectDatabase(cred, labelPrivate);
- auto &handlerPub = selectDatabase(cred, labelPublic);
-
- AlgoType keyType = AlgoType::RSA_GEN;
-
- if (!keyGenParams.getParam(ParamName::ALGO_TYPE, keyType))
- ThrowErr(Exc::InputParam, "Error, parameter ALGO_TYPE not found.");
-
- DataType dt(keyType);
-
- if (!dt.isKey())
- ThrowErr(Exc::InputParam, "Error, parameter ALGO_TYPE with wrong value.");
-
- // use client label if not explicitly provided
- const Label &ownerLabelPrv = labelPrivate.empty() ? cred.smackLabel :
- labelPrivate;
-
- if (m_accessControl.isSystemService(cred) &&
- ownerLabelPrv.compare(OWNER_ID_SYSTEM) != 0)
- return CKM_API_ERROR_INPUT_PARAM;
-
- const Label &ownerLabelPub = labelPublic.empty() ? cred.smackLabel :
- labelPublic;
-
- if (m_accessControl.isSystemService(cred) &&
- ownerLabelPub.compare(OWNER_ID_SYSTEM) != 0)
- return CKM_API_ERROR_INPUT_PARAM;
-
- bool exportable = policyPrivate.extractable || policyPublic.extractable;
- TokenPair keys = m_decider.getStore(dt, exportable).generateAKey(keyGenParams,
- policyPrivate.password,
- policyPublic.password);
-
- DB::Crypto::Transaction transactionPriv(&handlerPriv.database);
- // in case the same database is used for private and public - the second
- // transaction will not be executed
- DB::Crypto::Transaction transactionPub(&handlerPub.database);
-
- int retCode;
- retCode = checkSaveConditions(cred, handlerPriv, namePrivate, ownerLabelPrv);
-
- if (CKM_API_SUCCESS != retCode)
- return retCode;
-
- retCode = checkSaveConditions(cred, handlerPub, namePublic, ownerLabelPub);
-
- if (CKM_API_SUCCESS != retCode)
- return retCode;
-
- // save the data
- DB::Row rowPrv(std::move(keys.first), namePrivate, ownerLabelPrv,
- static_cast<int>(policyPrivate.extractable));
- handlerPriv.crypto.encryptRow(rowPrv);
- handlerPriv.database.saveRow(rowPrv);
-
- DB::Row rowPub(std::move(keys.second), namePublic, ownerLabelPub,
- static_cast<int>(policyPublic.extractable));
- handlerPub.crypto.encryptRow(rowPub);
- handlerPub.database.saveRow(rowPub);
+ RawBuffer digest;
+ auto [dbOp, retCode] = beginSave(cred, name, owner);
+ if (retCode == CKM_API_SUCCESS) {
+ digest = CryptoLogic::makeHash(name, owner, cred.clientUid);
+ if (digest.empty())
+ retCode = CKM_API_ERROR_HASH_ERROR;
+ }
- transactionPub.commit();
- transactionPriv.commit();
- return CKM_API_SUCCESS;
+ return std::make_tuple(std::move(dbOp), std::move(digest), retCode);
}
RawBuffer CKMLogic::createKeyPair(
const Credentials &cred,
- int commandId,
+ int msgId,
const CryptoAlgorithmSerializable &keyGenParams,
- const Name &namePrivate,
- const Label &labelPrivate,
- const Name &namePublic,
- const Label &labelPublic,
- const PolicySerializable &policyPrivate,
- const PolicySerializable &policyPublic)
+ const Name &namePrv,
+ const ClientId &ownerPrv,
+ const Name &namePub,
+ const ClientId &ownerPub,
+ const PolicySerializable &policyPrv,
+ const PolicySerializable &policyPub)
{
- int retCode = CKM_API_SUCCESS;
+ return SerializeMessage(msgId, tryRet([&] {
+ auto [dbOpPrv, digestPrv, retCodePrv] = beginSaveAndGetHash(cred, namePrv, ownerPrv);
+ if (retCodePrv != CKM_API_SUCCESS)
+ return retCodePrv;
- try {
- retCode = createKeyPairHelper(
- cred,
- keyGenParams,
- namePrivate,
- labelPrivate,
- namePublic,
- labelPublic,
- policyPrivate,
- policyPublic);
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- } catch (const CKM::Exception &e) {
- LogError("CKM::Exception: " << e.GetMessage());
- retCode = CKM_API_ERROR_SERVER_ERROR;
- }
+ auto [dbOpPub, digestPub, retCodePub] = beginSaveAndGetHash(cred, namePub, ownerPub);
+ if (retCodePub != CKM_API_SUCCESS)
+ return retCodePub;
+
+ if (policyPrv.backend != policyPub.backend)
+ ThrowErr(Exc::InputParam, "Error, key pair must be supported with the same backend.");
+
+ bool exportable = policyPrv.extractable || policyPub.extractable;
+ Policy lessRestricted(Password(), exportable, policyPrv.backend);
- return MessageBuffer::Serialize(static_cast<int>(LogicCommand::CREATE_KEY_PAIR),
- commandId, retCode).Pop();
+ // For now any asymmetric key will do. If necessary we can extract it from keyGenParams.
+ TokenPair keys = m_decider.getStore(DataType::DB_KEY_FIRST, policyPrv, false).generateAKey(
+ keyGenParams,
+ policyPrv.password,
+ policyPub.password,
+ digestPrv, digestPub);
+
+ dbOpPrv.finalize(std::move(keys.first), policyPrv);
+ dbOpPub.finalize(std::move(keys.second), policyPub);
+
+ return CKM_API_SUCCESS;
+ }));
}
RawBuffer CKMLogic::createKeyAES(
const Credentials &cred,
- int commandId,
+ int msgId,
const int size,
const Name &name,
- const Label &label,
+ const ClientId &owner,
const PolicySerializable &policy)
{
int retCode = CKM_API_SUCCESS;
try {
- retCode = createKeyAESHelper(cred, size, name, label, policy);
- } catch (const Exc::Exception &e) {
- retCode = e.error();
+ retCode = tryRet([&] {
+ auto [dbOp, digest, retCode2] = beginSaveAndGetHash(cred, name, owner);
+ if (retCode2 != CKM_API_SUCCESS)
+ return retCode2;
+
+ // create key in store
+ CryptoAlgorithm keyGenAlgorithm;
+ keyGenAlgorithm.setParam(ParamName::ALGO_TYPE, AlgoType::AES_GEN);
+ keyGenAlgorithm.setParam(ParamName::GEN_KEY_LEN, size);
+
+ auto& store = m_decider.getStore(DataType::KEY_AES, policy, false);
+ Token key = store.generateSKey(keyGenAlgorithm, policy.password, digest);
+
+ dbOp.finalize(std::move(key), policy);
+ return CKM_API_SUCCESS;
+ });
} catch (std::invalid_argument &e) {
LogDebug("invalid argument error: " << e.what());
retCode = CKM_API_ERROR_INPUT_PARAM;
- } catch (const CKM::Exception &e) {
- LogError("CKM::Exception: " << e.GetMessage());
- retCode = CKM_API_ERROR_SERVER_ERROR;
}
- return MessageBuffer::Serialize(static_cast<int>(LogicCommand::CREATE_KEY_AES),
- commandId, retCode).Pop();
+ return SerializeMessage(msgId, retCode);
}
int CKMLogic::readCertificateHelper(
const Credentials &cred,
- const LabelNameVector &labelNameVector,
+ const OwnerNameVector &ownerNameVector,
CertificateImplVector &certVector)
{
- DB::Row row;
-
- for (auto &i : labelNameVector) {
+ for (auto &i : ownerNameVector) {
// certificates can't be protected with custom user password
Crypto::GObjUPtr obj;
int ec;
cred,
DataType::CERTIFICATE,
i.second,
- i.first,
+ cred.effectiveOwner(i.first),
Password(),
obj);
cred,
DataType::DB_CHAIN_FIRST,
i.second,
- i.first,
+ cred.effectiveOwner(i.first),
CKM::Password(),
caChainObjs);
int CKMLogic::getCertificateChainHelper(
const Credentials &cred,
const CertificateImpl &cert,
- const LabelNameVector &untrusted,
- const LabelNameVector &trusted,
+ const OwnerNameVector &untrusted,
+ const OwnerNameVector &trusted,
bool useTrustedSystemCertificates,
RawBufferVector &chainRawVector)
{
CertificateImplVector untrustedCertVector;
CertificateImplVector trustedCertVector;
CertificateImplVector chainVector;
- DB::Row row;
if (cert.empty())
return CKM_API_ERROR_INPUT_PARAM;
RawBuffer CKMLogic::getCertificateChain(
const Credentials & /*cred*/,
- int commandId,
+ int msgId,
const RawBuffer &certificate,
const RawBufferVector &untrustedCertificates,
const RawBufferVector &trustedCertificates,
LogError("Unknown error.");
}
- auto response = MessageBuffer::Serialize(static_cast<int>
- (LogicCommand::GET_CHAIN_CERT),
- commandId,
- retCode,
- chainRawVector);
- return response.Pop();
+ return SerializeMessage(msgId, retCode, chainRawVector);
}
RawBuffer CKMLogic::getCertificateChain(
const Credentials &cred,
- int commandId,
+ int msgId,
const RawBuffer &certificate,
- const LabelNameVector &untrustedCertificates,
- const LabelNameVector &trustedCertificates,
+ const OwnerNameVector &untrustedCertificates,
+ const OwnerNameVector &trustedCertificates,
bool useTrustedSystemCertificates)
{
int retCode = CKM_API_ERROR_UNKNOWN;
LogError("Unknown error.");
}
- auto response = MessageBuffer::Serialize(static_cast<int>
- (LogicCommand::GET_CHAIN_ALIAS),
- commandId,
- retCode,
- chainRawVector);
- return response.Pop();
+ return SerializeMessage(msgId, retCode, chainRawVector);
}
RawBuffer CKMLogic::createSignature(
const Credentials &cred,
- int commandId,
+ int msgId,
const Name &privateKeyName,
- const Label &ownerLabel,
+ const ClientId &owner,
const Password &password, // password for private_key
const RawBuffer &message,
const CryptoAlgorithm &cryptoAlg)
{
- DB::Row row;
RawBuffer signature;
int retCode = CKM_API_SUCCESS;
try {
- Crypto::GObjUPtr obj;
- retCode = readDataHelper(false, cred, DataType::DB_KEY_FIRST, privateKeyName,
- ownerLabel, password, obj);
+ retCode = tryRet([&] {
+ Crypto::GObjUPtr obj;
+ int retCode2 = readDataHelper(false, cred, DataType::DB_KEY_FIRST, privateKeyName,
+ owner, password, obj);
- if (retCode == CKM_API_SUCCESS)
- signature = obj->sign(cryptoAlg, message);
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- } catch (const CKM::Exception &e) {
- LogError("Unknown CKM::Exception: " << e.GetMessage());
- retCode = CKM_API_ERROR_SERVER_ERROR;
+ if (retCode2 == CKM_API_SUCCESS)
+ signature = obj->sign(cryptoAlg, message);
+
+ return retCode2;
+ });
} catch (const std::exception &e) {
LogError("STD exception " << e.what());
retCode = CKM_API_ERROR_SERVER_ERROR;
}
- auto response = MessageBuffer::Serialize(static_cast<int>
- (LogicCommand::CREATE_SIGNATURE),
- commandId,
- retCode,
- signature);
- return response.Pop();
+ return SerializeMessage(msgId, retCode, signature);
}
RawBuffer CKMLogic::verifySignature(
const Credentials &cred,
- int commandId,
+ int msgId,
const Name &publicKeyOrCertName,
- const Label &ownerLabel,
+ const ClientId &owner,
const Password &password, // password for public_key (optional)
const RawBuffer &message,
const RawBuffer &signature,
const CryptoAlgorithm ¶ms)
{
- int retCode = CKM_API_ERROR_VERIFICATION_FAILED;
-
- try {
- DB::Row row;
-
+ return SerializeMessage(msgId, tryRet([&] {
// try certificate first - looking for a public key.
// in case of PKCS, pub key from certificate will be found first
// rather than private key from the same PKCS.
Crypto::GObjUPtr obj;
- retCode = readDataHelper(false, cred, DataType::CERTIFICATE,
- publicKeyOrCertName, ownerLabel, password, obj);
+ int retCode = readDataHelper(false, cred, DataType::CERTIFICATE,
+ publicKeyOrCertName, owner, password, obj);
if (retCode == CKM_API_ERROR_DB_ALIAS_UNKNOWN)
retCode = readDataHelper(false, cred, DataType::DB_KEY_FIRST,
- publicKeyOrCertName, ownerLabel, password, obj);
+ publicKeyOrCertName, owner, password, obj);
if (retCode == CKM_API_SUCCESS)
retCode = obj->verify(params, message, signature);
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- } catch (const CKM::Exception &e) {
- LogError("Unknown CKM::Exception: " << e.GetMessage());
- retCode = CKM_API_ERROR_SERVER_ERROR;
- }
- auto response = MessageBuffer::Serialize(static_cast<int>
- (LogicCommand::VERIFY_SIGNATURE),
- commandId,
- retCode);
- return response.Pop();
+ return retCode;
+ }));
}
int CKMLogic::setPermissionHelper(
const Credentials &cred, // who's the client
const Name &name,
- const Label &label, // who's the owner
- const Label &accessorLabel, // who will get the access
+ const ClientId &owner, // who's the owner
+ const ClientId &accessor, // who will get the access
const PermissionMask permissionMask)
{
- auto &handler = selectDatabase(cred, label);
-
- // we don't know the client
- if (cred.smackLabel.empty() || !isLabelValid(cred.smackLabel))
- return CKM_API_ERROR_INPUT_PARAM;
-
- // use client label if not explicitly provided
- const Label &ownerLabel = label.empty() ? cred.smackLabel : label;
-
- // verify name and label are correct
- if (!isNameValid(name) || !isLabelValid(ownerLabel) ||
- !isLabelValid(accessorLabel))
- return CKM_API_ERROR_INPUT_PARAM;
+ auto [dbOp, retCode] = beginSave(cred, name, owner);
+ // Normally, saving requires alias to be unoccupied. When changing permissions it's the opposite
+ if (retCode != CKM_API_ERROR_DB_ALIAS_EXISTS) {
+ if (retCode == CKM_API_SUCCESS)
+ retCode = CKM_API_ERROR_DB_ALIAS_UNKNOWN;
+ return retCode;
+ }
// currently we don't support modification of owner's permissions to his own rows
- if (ownerLabel == accessorLabel)
+ if (owner == accessor)
return CKM_API_ERROR_INPUT_PARAM;
// system database does not support write/remove permissions
- if ((0 == ownerLabel.compare(OWNER_ID_SYSTEM)) &&
- (permissionMask & Permission::REMOVE))
+ if ((0 == owner.compare(CLIENT_ID_SYSTEM)) && (permissionMask & Permission::REMOVE))
return CKM_API_ERROR_INPUT_PARAM;
- // can the client modify permissions to owner's row?
- int retCode = m_accessControl.canModify(cred, ownerLabel);
+ // set permissions to the row owned by owner for accessor
+ dbOp.database().setPermission(name, owner, accessor, permissionMask);
+ dbOp.transaction().commit();
- if (retCode != CKM_API_SUCCESS)
- return retCode;
+ return CKM_API_SUCCESS;
+}
- DB::Crypto::Transaction transaction(&handler.database);
+RawBuffer CKMLogic::setPermission(
+ const Credentials &cred,
+ const int msgID,
+ const Name &name,
+ const ClientId &owner,
+ const ClientId &accessor,
+ const PermissionMask permissionMask)
+{
+ return SerializeMessage(msgID, tryRet([&] {
+ return setPermissionHelper(cred, name, owner, accessor, permissionMask);
+ }));
+}
- if (!handler.database.isNameLabelPresent(name, ownerLabel))
- return CKM_API_ERROR_DB_ALIAS_UNKNOWN;
+RawBuffer CKMLogic::deriveKey(
+ const Credentials &cred,
+ const int msgID,
+ const CryptoAlgorithm ¶ms,
+ const Name &secretName,
+ const ClientId &secretOwner,
+ const Password &secretPassword,
+ const Name &newKeyName,
+ const ClientId &newKeyOwner,
+ const Policy &newKeyPolicy)
+{
+ return SerializeMessage(msgID, tryRet([&] {
+ // Get key/secret for internal service use. It won't be exported to the client
+ Crypto::GObjUPtr obj;
+ DataType objType;
+ int retCode = readDataHelper(false, cred, DataType::DB_KEY_FIRST,
+ secretName, secretOwner, secretPassword, obj, objType);
+ if (retCode != CKM_API_SUCCESS) {
+ if (retCode != CKM_API_ERROR_DB_ALIAS_UNKNOWN)
+ return retCode;
+
+ retCode = readDataHelper(false, cred, DataType::BINARY_DATA,
+ secretName, secretOwner, secretPassword, obj, objType);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
+ }
- // removing non-existing permissions: fail
- if (permissionMask == Permission::NONE) {
- if (!handler.database.getPermissionRow(name, ownerLabel, accessorLabel))
+ auto [dbOp, digest, ret] = beginSaveAndGetHash(cred, newKeyName, newKeyOwner);
+ if (ret != CKM_API_SUCCESS)
+ return ret;
+
+ // ECDH (private key) -> binary secret, KBKDF -> symmetric key
+ DataType newKeyType = objType.isKeyPrivate() ? DataType::BINARY_DATA : DataType::KEY_AES;
+ if (!m_decider.checkStore(obj->backendId(), newKeyType, newKeyPolicy, false)) {
+ LogDebug("Can't import the derived key to backend " <<
+ static_cast<int>(obj->backendId()) << " with given policy");
return CKM_API_ERROR_INPUT_PARAM;
- }
+ }
- // set permissions to the row owned by ownerLabel for accessorLabel
- handler.database.setPermission(name, ownerLabel, accessorLabel, permissionMask);
- transaction.commit();
+ // derive
+ Token derived = obj->derive(params, newKeyPolicy.password, digest);
- return CKM_API_SUCCESS;
+ dbOp.finalize(std::move(derived), newKeyPolicy);
+
+ return CKM_API_SUCCESS;
+ }));
}
-RawBuffer CKMLogic::setPermission(
+RawBuffer CKMLogic::importWrappedKey(
+ const Credentials &cred,
+ const int msgId,
+ const CryptoAlgorithm ¶ms,
+ const Name &wrappingKeyName,
+ const ClientId &wrappingKeyOwner,
+ const Password &wrappingKeyPassword,
+ const Name &keyName,
+ const ClientId &keyOwner,
+ const RawBuffer &wrappedKey,
+ const CKM::DataType keyType,
+ const PolicySerializable &policy)
+{
+ return SerializeMessage(msgId, tryRet([&] {
+ Crypto::GObjUPtr wrappingKey;
+
+ auto [dbOp, digest, retCode] = beginSaveAndGetHash(cred, keyName, keyOwner);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
+
+ retCode = readDataHelper(false, cred, DataType::DB_KEY_FIRST, wrappingKeyName,
+ wrappingKeyOwner, wrappingKeyPassword, wrappingKey);
+ if (retCode != CKM_API_SUCCESS)
+ return retCode;
+
+ if (!m_decider.checkStore(wrappingKey->backendId(), keyType, policy, true)) {
+ LogDebug("Can't import the wrapped key to backend " <<
+ static_cast<int>(wrappingKey->backendId()) << " with given policy");
+ return CKM_API_ERROR_INPUT_PARAM;
+ }
+
+ Token token = wrappingKey->unwrap(params,
+ Crypto::Data(keyType, std::move(wrappedKey)),
+ policy.password,
+ digest);
+
+ dbOp.finalize(std::move(token), policy);
+
+ return retCode;
+ }));
+}
+
+RawBuffer CKMLogic::exportWrappedKey(
const Credentials &cred,
- const int command,
const int msgID,
- const Name &name,
- const Label &label,
- const Label &accessorLabel,
- const PermissionMask permissionMask)
+ const CryptoAlgorithm ¶ms,
+ const Name &wrappingKeyName,
+ const ClientId &wrappingKeyOwner,
+ const Password &wrappingKeyPassword,
+ const Name &keyName,
+ const ClientId &keyOwner,
+ const Password &keyPassword)
{
- int retCode;
+ Crypto::GObjUPtr wrappingKey;
+ DB::Row wrappedKeyRow;
+ DataType wrappedKeyType;
+ RawBuffer wrappedKey;
- try {
- retCode = setPermissionHelper(cred, name, label, accessorLabel, permissionMask);
- } catch (const Exc::Exception &e) {
- retCode = e.error();
- } catch (const CKM::Exception &e) {
- LogError("Error: " << e.GetMessage());
- retCode = CKM_API_ERROR_DB_ERROR;
- }
+ auto retCode = tryRet([&] {
+ auto retCode2 = readDataHelper(false, cred, DataType::DB_KEY_FIRST, wrappingKeyName,
+ wrappingKeyOwner, wrappingKeyPassword, wrappingKey);
+ if (retCode2 != CKM_API_SUCCESS)
+ return retCode2;
+
+ retCode2 = readRowHelper(false, cred, DataType::DB_KEY_FIRST, keyName,
+ keyOwner, keyPassword, wrappedKeyRow, wrappedKeyType);
+ if (retCode2 != CKM_API_SUCCESS)
+ return retCode2;
+
+ wrappedKey = wrappingKey->wrap(params, wrappedKeyRow, keyPassword);
+
+ return retCode2;
+ });
- return MessageBuffer::Serialize(command, msgID, retCode).Pop();
+ return SerializeMessage(msgID, retCode, wrappedKeyType, wrappedKey);
}
-int CKMLogic::loadAppKey(UserData &handle, const Label &appLabel)
+RawBuffer CKMLogic::getBackendInfo(const int msgID, BackendId backend)
{
- if (!handle.crypto.haveKey(appLabel)) {
- RawBuffer key;
- auto key_optional = handle.database.getKey(appLabel);
+ BackendInfo info;
+ auto retCode = tryRet([&] {
+ CryptoBackend cryptoBackend;
+ if (backend == BackendId::SW)
+ cryptoBackend = CryptoBackend::OpenSSL;
+ else if (backend == BackendId::TZ)
+ cryptoBackend = CryptoBackend::TrustZone;
+ else
+ return CKM_API_ERROR_INPUT_PARAM;
- if (!key_optional) {
- LogError("No key for given label in database");
- return CKM_API_ERROR_DB_ERROR;
+ auto store = m_decider.getStore(cryptoBackend);
+ if (store == nullptr) {
+ LogError("Required backend is unavailable");
+ return CKM_API_ERROR_INPUT_PARAM;
}
- key = *key_optional;
- key = handle.keyProvider.getPureDEK(key);
- handle.crypto.pushKey(appLabel, key);
- }
+ info.maxChunkSize = store->maxChunkSize();
+ return CKM_API_SUCCESS;
+ });
- return CKM_API_SUCCESS;
+ return SerializeMessage(msgID, retCode, BackendInfoSerializable(info));
}
} // namespace CKM
-
projects / platform / core / security / key-manager.git / blobdiff