1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include <string>
#include "mongo/bson/util/builder.h"
#include "mongo/db/auth/role_name.h"
#include "mongo/stdx/unordered_set.h"
#include "mongo/transport/session.h"
namespace mongo {
constexpr StringData kOID_CommonName = "2.5.4.3"_sd;
/**
* Represents a structed X509 certificate subject name.
* For example: C=US,O=MongoDB,OU=KernelTeam,CN=server
* would be held as a four element vector of Entries.
* The first entry of which yould be broken down something like:
* {{"2.5.4.6", 19, "US"}}.
* Note that _entries is a vector of vectors to accomodate
* multi-value RDNs.
*/
class SSLX509Name {
public:
struct Entry {
Entry(std::string oid, int type, std::string value)
: oid(std::move(oid)), type(type), value(std::move(value)) {}
std::string oid; // e.g. "2.5.4.8" (ST)
int type; // e.g. 19 (PRINTABLESTRING)
std::string value;
auto equalityLens() const {
return std::tie(oid, type, value);
}
};
SSLX509Name() = default;
explicit SSLX509Name(std::vector<std::vector<Entry>> entries) : _entries(std::move(entries)) {}
/**
* Retreive the first instance of the value for a given OID in this name.
* Returns ErrorCodes::KeyNotFound if the OID does not exist.
*/
StatusWith<std::string> getOID(StringData oid) const;
bool empty() const {
return std::all_of(
_entries.cbegin(), _entries.cend(), [](const auto& e) { return e.empty(); });
}
friend StringBuilder& operator<<(StringBuilder&, const SSLX509Name&);
std::string toString() const;
friend bool operator==(const SSLX509Name& lhs, const SSLX509Name& rhs) {
return lhs._entries == rhs._entries;
}
friend bool operator!=(const SSLX509Name& lhs, const SSLX509Name& rhs) {
return !(lhs._entries == rhs._entries);
}
const std::vector<std::vector<Entry>>& entries() const {
return _entries;
}
/*
* This will go through every entry, verify that it's type is a valid DirectoryString
* according to https://tools.ietf.org/html/rfc5280#section-4.1.2.4, and perform
* the RFC 4518 string prep algorithm on it to normalize the values so they can be
* directly compared. After this, all entries should have the type 12 (utf8String).
*/
Status normalizeStrings();
private:
std::vector<std::vector<Entry>> _entries;
};
std::ostream& operator<<(std::ostream&, const SSLX509Name&);
inline bool operator==(const SSLX509Name::Entry& lhs, const SSLX509Name::Entry& rhs) {
return lhs.equalityLens() == rhs.equalityLens();
}
inline bool operator<(const SSLX509Name::Entry& lhs, const SSLX509Name::Entry& rhs) {
return lhs.equalityLens() < rhs.equalityLens();
}
/**
* Contains information extracted from the peer certificate which is consumed by subsystems
* outside of the networking stack.
*/
struct SSLPeerInfo {
SSLPeerInfo(SSLX509Name subjectName, stdx::unordered_set<RoleName> roles)
: subjectName(std::move(subjectName)), roles(std::move(roles)) {}
SSLPeerInfo() = default;
SSLX509Name subjectName;
stdx::unordered_set<RoleName> roles;
static SSLPeerInfo& forSession(const transport::SessionHandle& session);
};
} // namespace mongo
|