1 
2 /**
3  *    Copyright (C) 2018-present MongoDB, Inc.
4  *
5  *    This program is free software: you can redistribute it and/or modify
6  *    it under the terms of the Server Side Public License, version 1,
7  *    as published by MongoDB, Inc.
8  *
9  *    This program is distributed in the hope that it will be useful,
10  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *    Server Side Public License for more details.
13  *
14  *    You should have received a copy of the Server Side Public License
15  *    along with this program. If not, see
16  *    <http://www.mongodb.com/licensing/server-side-public-license>.
17  *
18  *    As a special exception, the copyright holders give permission to link the
19  *    code of portions of this program with the OpenSSL library under certain
20  *    conditions as described in each individual source file and distribute
21  *    linked combinations including the program with the OpenSSL library. You
22  *    must comply with the Server Side Public License in all respects for
23  *    all of the code used other than as permitted herein. If you modify file(s)
24  *    with this exception, you may extend this exception to your version of the
25  *    file(s), but you are not obligated to do so. If you do not wish to do so,
26  *    delete this exception statement from your version. If you delete this
27  *    exception statement from all source files in the program, then also delete
28  *    it in the license file.
29  */
30 
31 #include <stdexcept>
32 
33 #include <boost/filesystem/path.hpp>
34 #include <codecvt>
35 #include <locale>
36 
37 #include "mongo/base/init.h"
38 #include "mongo/util/mongoutils/str.h"
39 
40 namespace mongo {
41 
MONGO_INITIALIZER_GENERAL(ValidateLocale,MONGO_NO_PREREQUISITES,MONGO_DEFAULT_PREREQUISITES)42 MONGO_INITIALIZER_GENERAL(ValidateLocale, MONGO_NO_PREREQUISITES, MONGO_DEFAULT_PREREQUISITES)
43 (InitializerContext*) {
44     try {
45         // Validate that boost can correctly load the user's locale
46         boost::filesystem::path("/").has_root_directory();
47     } catch (const std::runtime_error& e) {
48         return Status(
49             ErrorCodes::BadValue,
50             str::stream()
51                 << "Invalid or no user locale set. "
52 #ifndef _WIN32
53                 << " Please ensure LANG and/or LC_* environment variables are set correctly. "
54 #endif
55                 << e.what());
56     }
57 
58 #ifdef _WIN32
59     // Make boost filesystem treat all strings as UTF-8 encoded instead of CP_ACP.
60     std::locale loc(std::locale(""), new std::codecvt_utf8_utf16<wchar_t>);
61     boost::filesystem::path::imbue(loc);
62 #endif
63 
64     return Status::OK();
65 }
66 
67 }  // namespace mongo
68