2 * security-manager, database access
4 * Copyright (c) 2000 - 2014 Samsung Electronics Co., Ltd All Rights Reserved
6 * Contact: Rafal Krypa <r.krypa@samsung.com>
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
23 * @file privilege_db.h
24 * @author Krzysztof Sasiak <k.sasiak@samsung.com>
25 * @author Rafal Krypa <r.krypa@samsung.com>
27 * @brief This file contains declaration of the API to privilges database.
36 #include <dpl/db/sql_connection.h>
37 #include <tzplatform_config.h>
39 #ifndef PRIVILEGE_DB_H_
40 #define PRIVILEGE_DB_H_
42 namespace SecurityManager {
44 const char *const PRIVILEGE_DB_PATH = tzplatform_mkpath(TZ_SYS_DB, ".security-manager.db");
46 enum class QueryType {
60 * PrivilegeDb database class
66 * @exception DB::SqlConnection::Exception::IOError on problems with database access
69 PrivilegeDb(const std::string &path = std::string(PRIVILEGE_DB_PATH));
71 SecurityManager::DB::SqlConnection *mSqlConnection;
72 const std::map<QueryType, const char * const > Queries = {
73 { QueryType::EGetPkgPrivileges, "SELECT DISTINCT privilege_name FROM app_privilege_view WHERE pkg_name=? AND uid=? ORDER BY privilege_name"},
74 { QueryType::EAddApplication, "INSERT INTO app_pkg_view (app_name, pkg_name, uid) VALUES (?, ?, ?)" },
75 { QueryType::ERemoveApplication, "DELETE FROM app_pkg_view WHERE app_name=? AND uid=?" },
76 { QueryType::EAddAppPrivileges, "INSERT INTO app_privilege_view (app_name, uid, privilege_name) VALUES (?, ?, ?)" },
77 { QueryType::ERemoveAppPrivileges, "DELETE FROM app_privilege_view WHERE app_name=? AND uid=?" },
78 { QueryType::EPkgIdExists, "SELECT * FROM pkg WHERE name=?" },
79 { QueryType::EGetPkgId, " SELECT pkg_name FROM app_pkg_view WHERE app_name = ?" },
80 { QueryType::EGetPrivilegeGroups, " SELECT name FROM privilege_group_view WHERE privilege_name = ?" },
81 { QueryType::EGetUserApps, "SELECT name FROM app WHERE uid=?" },
85 * Container for initialized DataCommands, prepared for binding.
87 std::vector<DB::SqlConnection::DataCommandAutoPtr> m_commands;
90 * Fills empty m_commands map with sql commands prepared for binding.
92 * Because the "sqlite3_prepare_v2" function takes many cpu cycles, the PrivilegeDb
93 * is optimized to call it only once for one query type.
94 * Designed to be used in the singleton contructor.
96 void initDataCommands();
99 * Return prepared query for given query type.
100 * The query will be reset before returning.
102 * @param queryType query identifier
103 * @return reference to prepared, reset query
105 DB::SqlConnection::DataCommandAutoPtr & getQuery(QueryType queryType);
108 * Check if pkgId is already registered in database
110 * @param pkgId - package identifier
111 * @exception DB::SqlConnection::Exception::InternalError on internal error
112 * @return true if pkgId exists in the database
115 bool PkgIdExists(const std::string &pkgId);
121 DECLARE_EXCEPTION_TYPE(SecurityManager::Exception, Base)
122 DECLARE_EXCEPTION_TYPE(Base, IOError)
123 DECLARE_EXCEPTION_TYPE(Base, InternalError)
128 static PrivilegeDb &getInstance();
132 * @exception DB::SqlConnection::Exception::InternalError on internal error
135 void BeginTransaction(void);
139 * @exception DB::SqlConnection::Exception::InternalError on internal error
142 void CommitTransaction(void);
145 * Rollback transaction
146 * @exception DB::SqlConnection::Exception::InternalError on internal error
149 void RollbackTransaction(void);
152 * Return package id associated with a given application id
154 * @param appId - application identifier
155 * @param[out] pkgId - return application's pkgId
156 * @return true is application exists, false otherwise
157 * @exception DB::SqlConnection::Exception::InternalError on internal error
159 bool GetAppPkgId(const std::string &appId, std::string &pkgId);
162 * Retrieve list of privileges assigned to a pkgId
164 * @param pkgId - package identifier
165 * @param uid - user identifier for whom privileges will be retrieved
166 * @param[out] currentPrivileges - list of current privileges assigned to pkgId
167 * @exception DB::SqlConnection::Exception::InternalError on internal error
169 void GetPkgPrivileges(const std::string &pkgId, uid_t uid,
170 std::vector<std::string> ¤tPrivilege);
173 * Add an application into the database
175 * @param appId - application identifier
176 * @param pkgId - package identifier
177 * @param uid - user identifier for whom application is going to be installed
178 * @param[out] pkgIdIsNew - return info if pkgId is new to the database
179 * @exception DB::SqlConnection::Exception::InternalError on internal error
181 void AddApplication(const std::string &appId, const std::string &pkgId,
182 uid_t uid, bool &pkgIdIsNew);
185 * Remove an application from the database
187 * @param appId - application identifier
188 * @param uid - user identifier whose application is going to be uninstalled
189 * @param[out] pkgIdIsNoMore - return info if pkgId is in the database
190 * @exception DB::SqlConnection::Exception::InternalError on internal error
192 void RemoveApplication(const std::string &appId, uid_t uid, bool &pkgIdIsNoMore);
195 * Remove privileges assigned to application
197 * @param appId - application identifier
198 * @param uid - user identifier for whom privileges will be removed
199 * @exception DB::SqlConnection::Exception::InternalError on internal error
201 void RemoveAppPrivileges(const std::string &appId, uid_t uid);
204 * Update privileges assigned to application
205 * To assure data integrity this method must be called inside db transaction.
207 * @param appId - application identifier
208 * @param uid - user identifier for whom privileges will be updated
209 * @param privileges - list of privileges to assign
210 * @exception DB::SqlConnection::Exception::InternalError on internal error
212 void UpdateAppPrivileges(const std::string &appId, uid_t uid,
213 const std::vector<std::string> &privileges);
216 * Retrieve list of group ids assigned to a privilege
218 * @param privilege - privilege identifier
219 * @param[out] grp_names - list of group names assigned to the privilege
220 * @exception DB::SqlConnection::Exception::InternalError on internal error
222 void GetPrivilegeGroups(const std::string &privilege,
223 std::vector<std::string> &grp_names);
226 * Retrieve list of apps assigned to user
228 * @param uid - user identifier
229 * @param[out] apps - list of apps assigned to user,
230 * this parameter do not need to be empty, but
231 * it is being overwritten during function call.
232 * @exception DB::SqlConnection::Exception::InternalError on internal error
234 void GetUserApps(uid_t uid, std::vector<std::string> &apps);
237 } //namespace SecurityManager
239 #endif // PRIVILEGE_DB_H_