1 /*
2 * Copyright (C) 2018 Rafael Ostertag
3 *
4 * This file is part of YAPET.
5 *
6 * YAPET is free software: you can redistribute it and/or modify it under the
7 * terms of the GNU General Public License as published by the Free Software
8 * Foundation, either version 3 of the License, or (at your option) any later
9 * version.
10 *
11 * YAPET is distributed in the hope that it will be useful, but WITHOUT ANY
12 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
14 * details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * YAPET. If not, see <http://www.gnu.org/licenses/>.
18 *
19 * Additional permission under GNU GPL version 3 section 7
20 *
21 * If you modify this program, or any covered work, by linking or combining it
22 * with the OpenSSL project's OpenSSL library (or a modified version of that
23 * library), containing parts covered by the terms of the OpenSSL or SSLeay
24 * licenses, Rafael Ostertag grants you additional permission to convey the
25 * resulting work. Corresponding Source for a non-source form of such a
26 * combination shall include the source code for the parts of OpenSSL used as
27 * well as that of the covered work.
28 */
29
30 #ifndef _LOGGER_H
31 #define _LOGGER_H
32
33 #ifdef DEBUG_LOG
34 #include <chrono>
35 #include <ctime>
36 #include <fstream>
37 #include <iomanip>
38 #include <string>
39
40 #include "securearray.hh"
41
42 namespace yapet {
43 class Logger {
44 public:
Logger(const std::string & filename="/tmp/yapet_debug.log")45 Logger(const std::string& filename = "/tmp/yapet_debug.log")
46 : _file{filename, _file.out | _file.app} {}
47
48 Logger(const Logger&) = delete;
49 Logger(Logger&&) = delete;
50
log(const std::string & message)51 void log(const std::string& message) {
52 auto t{std::chrono::system_clock::to_time_t(
53 std::chrono::system_clock::now())};
54
55 _file << "[" << std::put_time(std::localtime(&t), "%FT%T") << "] "
56 << message << std::endl;
57 }
58
59 private:
60 std::fstream _file;
61 };
62
secureArrayToString(const SecureArray & secureArray)63 inline std::string secureArrayToString(const SecureArray& secureArray) {
64 std::string str;
65 for (SecureArray::size_type i = 0; i < secureArray.size(); i++) {
66 str += static_cast<const char>(secureArray[i]);
67 }
68
69 return str;
70 }
71
72 extern Logger logger;
73 } // namespace yapet
74 #define LOG_MESSAGE(x) (yapet::logger.log(x))
75 #else
76 #define LOG_MESSAGE(x)
77 #endif
78
79 #endif