summaryrefslogtreecommitdiff
path: root/src/mongo/db/startup_warnings_common.cpp
blob: 9f9ba2e1031b1453305e786a9f039e7db2f05c29 (plain)
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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
/**
 *    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.
 */


#include "mongo/platform/basic.h"

#include "mongo/db/startup_warnings_common.h"

#include <boost/filesystem/operations.hpp>
#include <fstream>

#include "mongo/client/authenticate.h"
#include "mongo/config.h"
#include "mongo/db/server_options.h"
#include "mongo/logv2/log.h"
#include "mongo/util/net/ssl_options.h"
#include "mongo/util/processinfo.h"
#include "mongo/util/version.h"

#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kControl


namespace mongo {

#ifdef _WIN32
bool CheckPrivilegeEnabled(const wchar_t* name) {
    LUID luid;
    if (!LookupPrivilegeValueW(nullptr, name, &luid)) {
        auto str = "Failed to LookupPrivilegeValue: " + errorMessage(lastSystemError());
        LOGV2_WARNING(4718701, "{str}", "str"_attr = str);
        return false;
    }

    // Get the access token for the current process.
    HANDLE accessToken;
    if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &accessToken)) {
        auto str = "Failed to OpenProcessToken: " + errorMessage(lastSystemError());
        LOGV2_WARNING(4718702, "{str}", "str"_attr = str);
        return false;
    }

    const ScopeGuard accessTokenGuard([&] { CloseHandle(accessToken); });

    BOOL ret;
    PRIVILEGE_SET privileges;
    privileges.PrivilegeCount = 1;
    privileges.Control = PRIVILEGE_SET_ALL_NECESSARY;

    privileges.Privilege[0].Luid = luid;
    privileges.Privilege[0].Attributes = 0;

    if (!PrivilegeCheck(accessToken, &privileges, &ret)) {
        auto str = "Failed to PrivilegeCheck: " + errorMessage(lastSystemError());
        LOGV2_WARNING(4718703, "{str}", "str"_attr = str);
        return false;
    }

    return ret;
}

#endif

//
// system warnings
//
void logCommonStartupWarnings(const ServerGlobalParams& serverParams) {
    // each message adds a leading and a trailing newline

    if (serverParams.authState == ServerGlobalParams::AuthState::kUndefined) {
        LOGV2_WARNING_OPTIONS(22120,
                              {logv2::LogTag::kStartupWarnings},
                              "Access control is not enabled for the database. Read and write "
                              "access to data and configuration is unrestricted");
    }

    const bool is32bit = sizeof(int*) == 4;
    if (is32bit) {
        LOGV2_WARNING_OPTIONS(
            22123, {logv2::LogTag::kStartupWarnings}, "This 32-bit MongoDB binary is deprecated");
    }

#ifdef MONGO_CONFIG_SSL
    if (sslGlobalParams.sslAllowInvalidCertificates) {
        LOGV2_WARNING_OPTIONS(
            22124,
            {logv2::LogTag::kStartupWarnings},
            "While invalid X509 certificates may be used to connect to this server, they will not "
            "be considered permissible for authentication");
    }

    if (sslGlobalParams.sslAllowInvalidHostnames) {
        LOGV2_WARNING_OPTIONS(
            22128,
            {logv2::LogTag::kStartupWarnings},
            "This server will not perform X.509 hostname validation. This may allow your server to "
            "make or accept connections to untrusted parties");
    }
#endif

    /*
     * We did not add the message to startupWarningsLog as the user can not
     * specify a sslCAFile parameter from the shell
     */
    if (sslGlobalParams.sslMode.load() != SSLParams::SSLMode_disabled &&
#ifdef MONGO_CONFIG_SSL_CERTIFICATE_SELECTORS
        sslGlobalParams.sslCertificateSelector.empty() &&
        sslGlobalParams.sslClusterCertificateSelector.empty() &&
#endif
        sslGlobalParams.sslCAFile.empty() && sslGlobalParams.sslClusterCAFile.empty()) {
#ifdef MONGO_CONFIG_SSL_CERTIFICATE_SELECTORS
        LOGV2_WARNING(22132,
                      "No client certificate validation can be performed since no CA File or "
                      "cluster CA File has been provided and no sslCertificateSelector has "
                      "been specified. Please specify an sslCAFile or a clusterCAFile parameter");
#else
        LOGV2_WARNING(
            22133,
            "No client certificate validation can be performed since no CA file or cluster CA File "
            "has been provided. Please specify an sslCAFile or a clusterCAFile parameter");
#endif
    }

#if defined(_WIN32) && !defined(_WIN64)
    // Warn user that they are running a 32-bit app on 64-bit Windows
    BOOL wow64Process;
    BOOL retWow64 = IsWow64Process(GetCurrentProcess(), &wow64Process);
    if (retWow64 && wow64Process) {
        LOGV2_OPTIONS(22135,
                      {logv2::LogTag::kStartupWarnings},
                      "This is a 32-bit MongoDB binary running on a 64-bit operating system. "
                      "Switch to a 64-bit build of MongoDB to support larger databases");
    }
#endif

#ifdef _WIN32
    if (!CheckPrivilegeEnabled(SE_INC_WORKING_SET_NAME)) {
        LOGV2_OPTIONS(
            4718704,
            {logv2::LogTag::kStartupWarnings},
            "SeIncreaseWorkingSetPrivilege privilege is not granted to the process. Secure memory "
            "allocation for SCRAM and/or Encrypted Storage Engine may fail.");
    }
#endif

#if !defined(_WIN32)
    if (getuid() == 0) {
        LOGV2_WARNING_OPTIONS(
            22138,
            {logv2::LogTag::kStartupWarnings},
            "You are running this process as the root user, which is not recommended");
    }
#endif

    if (serverParams.bind_ips.empty()) {
        LOGV2_WARNING_OPTIONS(
            22140,
            {logv2::LogTag::kStartupWarnings},
            "This server is bound to localhost. Remote systems will be unable to connect to this "
            "server. Start the server with --bind_ip <address> to specify which IP addresses it "
            "should serve responses from, or with --bind_ip_all to bind to all interfaces. If this "
            "behavior is desired, start the server with --bind_ip 127.0.0.1 to disable this "
            "warning");
    }

    if (auth::hasMultipleInternalAuthKeys()) {
        LOGV2_WARNING_OPTIONS(
            22147,
            {logv2::LogTag::kStartupWarnings},
            "Multiple keys specified in security key file. If cluster key file rollover is not in "
            "progress, only one key should be specified in the key file");
    }
}
}  // namespace mongo