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/*
* Copyright (c) 2014-2022 Samsung Electronics Co., Ltd. All rights reserved.
*
* This file is licensed under the terms of MIT License or the Apache License
* Version 2.0 of your choice. See the LICENSE.MIT file for MIT license details.
* See the LICENSE file or the notice below for Apache License Version 2.0
* details.
*
* 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 service.h
* @author Michal Witanowski <m.witanowski@samsung.com>
* @author Rafal Krypa <r.krypa@samsung.com>
* @brief Implementation of security-manager service
*/
#pragma once
#include <channel.h>
#include <credentials.h>
#include <message-buffer.h>
#include <service_impl.h>
#include <service-thread.h>
#include <socket-manager.h>
namespace SecurityManager {
struct Event {
SocketManager::ConnectionID connectionID;
Credentials creds;
MessageBuffer buffer;
};
class Service final : public ServiceThread<Service, Event>
{
ServiceImpl m_serviceImpl;
SocketManager *m_serviceManager = nullptr;
public:
static inline const SocketManager::ServiceDescription DESCRIPTION{
SERVICE_SOCKET, /* path */
"*" /* smackLabel label (not used, we rely on systemd) */
};
using Offline = ServiceImpl::Offline;
explicit Service(Offline offline) : m_serviceImpl(offline) {}
void RegisterChannel(Channel channel) {
m_serviceImpl.RegisterChannel(std::move(channel));
}
void SetSocketManager(SocketManager *manager) {
m_serviceManager = manager;
}
/**
* Handle request from a client
*
* @param conn Socket connection information
* @param msg A message
*/
void processEvent(Event &&msg);
private:
/**
* Process getting application manifest policy
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processAppGetManifestPolicy(MessageBuffer &buffer, const Credentials &creds);
/**
* Process application installation
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processAppInstall(MessageBuffer &buffer, const Credentials &creds);
/**
* Process application update (currently only for cases when hybrid setting is changed)
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processAppUpdate(MessageBuffer &buffer, const Credentials &creds);
/**
* Process application uninstallation
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processAppUninstall(MessageBuffer &buffer, const Credentials &creds);
/**
* Process getting package identifier from an app identifier
*
* @param buffer Input/output message buffer
*/
void processGetPkgName(MessageBuffer &buffer);
void processUserAdd(MessageBuffer &buffer, const Credentials &creds);
void processUserDelete(MessageBuffer &buffer, const Credentials &creds);
/**
* Process policy update request
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processPolicyUpdate(MessageBuffer &buffer, const Credentials &creds);
/**
* List all privileges for specific user, placed in Cynara's PRIVACY_MANAGER
* or ADMIN's bucket - choice based on forAdmin parameter
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
* @param forAdmin determines internal type of request
*/
void processGetConfiguredPolicy(MessageBuffer &buffer, const Credentials &creds, bool forAdmin);
/**
* Get whole policy for specific user. Whole policy is a list of all apps,
* and their permissions (based on what they've stated in their manifests).
*
* If calling user is unprivileged, then only privileges for the caller uid
* will be listed. If caller is privileged, then apps for all the users will
* be listed.
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processGetPolicy(MessageBuffer &buffer, const Credentials &creds);
/**
* Process getting policies descriptions as strings from Cynara
*
* @param buffer Input/output message buffer
*/
void processPolicyGetDesc(MessageBuffer &buffer);
/**
* Process getting groups bound with privileges and permitted group ids for app id
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processGetForbiddenAndAllowedGroups(MessageBuffer &buffer, const Credentials &creds);
/**
* Process getting groups bound with privileges for given uid
*
* @param buffer Output message buffer
*/
void processGroupsForUid(MessageBuffer &buffer);
/**
* Process checking application's privilege access based on app_id
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processAppHasPrivilege(MessageBuffer &buffer, const Credentials &creds);
/**
* Process applying private path sharing between applications.
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processApplyPrivateSharing(MessageBuffer &buffer, const Credentials &creds);
/**
* Process drop private path sharing between applications.
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processDropPrivateSharing(MessageBuffer &buffer, const Credentials &creds);
/**
* Process package paths registration request
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processPathsRegister(MessageBuffer &buffer, const Credentials &creds);
/**
* Process shared memory access request
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processShmAppName(MessageBuffer &buffer, const Credentials &creds);
/**
* Process getting provider(app_id, pkg_id) of privilege
*
* @param buffer Input/output message buffer
*/
void processGetAppDefinedPrivilegeProvider(MessageBuffer &buffer);
/**
* Process getting license of privilege
*
* @param buffer Input/output message buffer
*/
void processGetAppDefinedPrivilegeLicense(MessageBuffer &buffer);
/**
* Process getting license of privilege
*
* @param buffer Input/output message buffer
*/
void processGetClientPrivilegeLicense(MessageBuffer &buffer);
/**
* Process clean app namespace
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void processAppCleanNamespace(MessageBuffer &buffer, const Credentials &creds);
/**
* Get process label
*
* @param buffer Input/output message buffer
*/
void processGetProcessLabel(MessageBuffer &buffer);
/**
* Get app info (process label, package name, shared_ro flag) and groups, setup app namespace
*
* @param buffer Input/output message buffer
* @param creds credentials of the requesting process
*/
void prepareApp(MessageBuffer &buffer, const Credentials &creds);
};
} // namespace SecurityManager
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