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/**
* 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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kControl
#include "mongo/platform/basic.h"
#include "mongo/db/startup_warnings_common.h"
#include <boost/filesystem/operations.hpp>
#include <fstream>
#include "mongo/config.h"
#include "mongo/db/server_options.h"
#include "mongo/util/log.h"
#include "mongo/util/net/ssl_options.h"
#include "mongo/util/processinfo.h"
#include "mongo/util/scopeguard.h"
#include "mongo/util/version.h"
namespace mongo {
#ifdef _WIN32
bool CheckPrivilegeEnabled(const wchar_t* name) {
LUID luid;
if (!LookupPrivilegeValueW(nullptr, name, &luid)) {
warning() << errnoWithPrefix("Failed to LookupPrivilegeValue");
return false;
}
// Get the access token for the current process.
HANDLE accessToken;
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &accessToken)) {
warning() << errnoWithPrefix("Failed to OpenProcessToken");
return false;
}
const auto accessTokenGuard = MakeGuard([&] { 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)) {
warning() << errnoWithPrefix("Failed to PrivilegeCheck");
return false;
}
return ret;
}
#endif
//
// system warnings
//
void logCommonStartupWarnings(const ServerGlobalParams& serverParams) {
// each message adds a leading and a trailing newline
bool warned = false;
{
auto&& vii = VersionInfoInterface::instance();
if ((vii.minorVersion() % 2) != 0) {
log() << startupWarningsLog;
log() << "** NOTE: This is a development version (" << vii.version() << ") of MongoDB."
<< startupWarningsLog;
log() << "** Not recommended for production." << startupWarningsLog;
warned = true;
}
}
if (serverParams.authState == ServerGlobalParams::AuthState::kUndefined) {
log() << startupWarningsLog;
log() << "** WARNING: Access control is not enabled for the database."
<< startupWarningsLog;
log() << "** Read and write access to data and configuration is "
"unrestricted."
<< startupWarningsLog;
warned = true;
}
const bool is32bit = sizeof(int*) == 4;
if (is32bit) {
log() << startupWarningsLog;
log() << "** WARNING: This 32-bit MongoDB binary is deprecated" << startupWarningsLog;
warned = true;
}
/*
* 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() &&
#endif
sslGlobalParams.sslCAFile.empty()) {
log() << "";
log() << "** WARNING: No client certificate validation can be performed since"
" no CA file has been provided";
#ifdef MONGO_CONFIG_SSL_CERTIFICATE_SELECTORS
log() << "** and no sslCertificateSelector has been specified.";
#endif
log() << "** Please specify an sslCAFile parameter.";
}
#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) {
log() << "** NOTE: This is a 32-bit MongoDB binary running on a 64-bit operating"
<< startupWarningsLog;
log() << "** system. Switch to a 64-bit build of MongoDB to" << startupWarningsLog;
log() << "** support larger databases." << startupWarningsLog;
warned = true;
}
#endif
#ifdef _WIN32
if (!CheckPrivilegeEnabled(SE_INC_WORKING_SET_NAME)) {
log()
<< "** WARNING: SeIncreaseWorkingSetPrivilege privilege is not granted to the process."
<< startupWarningsLog;
log() << "** Secure memory allocation for SCRAM and/or Encrypted Storage Engine "
"may fail."
<< startupWarningsLog;
}
#endif
#if !defined(_WIN32)
if (getuid() == 0) {
log() << "** WARNING: You are running this process as the root user, "
<< "which is not recommended." << startupWarningsLog;
warned = true;
}
#endif
if (serverParams.bind_ips.empty()) {
log() << startupWarningsLog;
log() << "** WARNING: This server is bound to localhost." << startupWarningsLog;
log() << "** Remote systems will be unable to connect to this server. "
<< startupWarningsLog;
log() << "** Start the server with --bind_ip <address> to specify which IP "
<< startupWarningsLog;
log() << "** addresses it should serve responses from, or with --bind_ip_all to"
<< startupWarningsLog;
log() << "** bind to all interfaces. If this behavior is desired, start the"
<< startupWarningsLog;
log() << "** server with --bind_ip 127.0.0.1 to disable this warning."
<< startupWarningsLog;
warned = true;
}
if (warned) {
log() << startupWarningsLog;
}
}
} // namespace mongo
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