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 #define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kAccessControl
32 
33 #include "mongo/platform/basic.h"
34 
35 #include "mongo/db/auth/internal_user_auth.h"
36 
37 #include "mongo/bson/mutable/document.h"
38 #include "mongo/bson/mutable/element.h"
39 #include "mongo/util/log.h"
40 
41 namespace mongo {
42 namespace mmb = mongo::mutablebson;
43 
44 // not guarded by the authParams mutex never changed in
45 // multi-threaded operation
46 static bool authParamsSet = false;
47 
48 // Store default authentication parameters for internal authentication to cluster members,
49 // guarded by the authParams mutex
50 static BSONObj authParams;
51 
52 static stdx::mutex authParamMutex;
53 
isInternalAuthSet()54 bool isInternalAuthSet() {
55     return authParamsSet;
56 }
57 
setInternalUserAuthParams(const BSONObj & authParamsIn)58 void setInternalUserAuthParams(const BSONObj& authParamsIn) {
59     if (!isInternalAuthSet()) {
60         authParamsSet = true;
61     }
62     stdx::lock_guard<stdx::mutex> lk(authParamMutex);
63 
64     authParams = authParamsIn.copy();
65 }
66 
getInternalUserAuthParams()67 BSONObj getInternalUserAuthParams() {
68     if (!authParamsSet) {
69         return BSONObj();
70     }
71 
72     stdx::lock_guard<stdx::mutex> lk(authParamMutex);
73     return authParams.copy();
74 }
75 
76 }  // namespace mongo
77