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/*
* Copyright (c) 2000 - 2015 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.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
/*
* @file encryption-service.cpp
* @author Krzysztof Jackiewicz (k.jackiewicz@samsung.com)
* @version 1.0
*/
#include <stdexcept>
#include <utility>
#include <encryption-service.h>
#include <protocols.h>
#include <dpl/log/log.h>
#include <dpl/serialization.h>
#include <crypto-request.h>
namespace {
const CKM::InterfaceID SOCKET_ID_ENCRYPTION = 0;
} // namespace anonymous
namespace CKM {
EncryptionService::EncryptionService() :
m_logic(*this)
{
}
EncryptionService::~EncryptionService()
{
}
void EncryptionService::RespondToClient(const CryptoRequest &request,
int retCode,
const RawBuffer &data)
{
try {
RawBuffer response = MessageBuffer::Serialize(
static_cast<int>(request.command), request.msgId, retCode, data).Pop();
m_serviceManager->Write(request.conn, response);
} catch (...) {
LogError("Failed to send response to the client");
}
}
void EncryptionService::RequestKey(const CryptoRequest &request)
{
MsgKeyRequest kReq(request.msgId, request.cred, request.name, request.label,
request.password);
if (!m_commMgr->SendMessage(kReq))
throw std::runtime_error("No listener found");// TODO
}
GenericSocketService::ServiceDescriptionVector
EncryptionService::GetServiceDescription()
{
return ServiceDescriptionVector {
{SERVICE_SOCKET_ENCRYPTION, "http://tizen.org/privilege/keymanager", SOCKET_ID_ENCRYPTION}
};
}
void EncryptionService::Start()
{
Create();
}
void EncryptionService::Stop()
{
Join();
}
void EncryptionService::SetCommManager(CommMgr *manager)
{
ThreadService::SetCommManager(manager);
Register(*manager);
}
// Encryption Service does not support any kind of security-check
// and 3rd parameter is not required
bool EncryptionService::ProcessOne(
const ConnectionID &conn,
ConnectionInfo &info,
bool /*allowed*/)
{
LogDebug("process One");
try {
if (!info.buffer.Ready())
return false;
ProcessEncryption(conn, info.credentials, info.buffer);
return true;
} catch (MessageBuffer::Exception::Base) {
LogError("Broken protocol. Closing socket.");
} catch (const std::exception &e) {
LogError("Std exception:: " << e.what());
} catch (...) {
LogError("Unknown exception. Closing socket.");
}
m_serviceManager->Close(conn);
return false;
}
void EncryptionService::ProcessMessage(MsgKeyResponse msg)
{
m_logic.KeyRetrieved(std::move(msg));
}
void EncryptionService::ProcessEncryption(const ConnectionID &conn,
const Credentials &cred,
MessageBuffer &buffer)
{
int tmpCmd = 0;
CryptoRequest req;
buffer.Deserialize(tmpCmd, req.msgId, req.cas, req.name, req.label,
req.password, req.input);
req.command = static_cast<EncryptionCommand>(tmpCmd);
if (req.command != EncryptionCommand::ENCRYPT &&
req.command != EncryptionCommand::DECRYPT)
throw std::runtime_error("Unsupported command: " + tmpCmd);
req.conn = conn;
req.cred = cred;
m_logic.Crypt(req);
}
void EncryptionService::CustomHandle(const ReadEvent &event)
{
LogDebug("Read event");
auto &info = m_connectionInfoMap[event.connectionID.counter];
info.buffer.Push(event.rawBuffer);
while (ProcessOne(event.connectionID, info, true));
}
void EncryptionService::CustomHandle(const SecurityEvent &/*event*/)
{
LogError("This should not happend! SecurityEvent was called on EncryptionService!");
}
} /* namespace CKM */
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