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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::kNetwork
#include "mongo/platform/basic.h"
#include "mongo/util/net/ssl_parameters.h"
#include "mongo/config.h"
#include "mongo/db/auth/sasl_command_constants.h"
#include "mongo/db/server_options.h"
#include "mongo/util/log.h"
#include "mongo/util/net/ssl_options.h"
#include "mongo/util/net/ssl_parameters_gen.h"
namespace mongo {
namespace {
std::string clusterAuthModeFormat() {
switch (serverGlobalParams.clusterAuthMode.load()) {
case ServerGlobalParams::ClusterAuthMode_keyFile:
return "keyFile";
case ServerGlobalParams::ClusterAuthMode_sendKeyFile:
return "sendKeyFile";
case ServerGlobalParams::ClusterAuthMode_sendX509:
return "sendX509";
case ServerGlobalParams::ClusterAuthMode_x509:
return "x509";
default:
// Default case because clusterAuthMode is an AtomicWord<int> and not bound by enum
// rules.
return "undefined";
}
}
StatusWith<ServerGlobalParams::ClusterAuthModes> clusterAuthModeParse(StringData strMode) {
if (strMode == "keyFile") {
return ServerGlobalParams::ClusterAuthMode_keyFile;
} else if (strMode == "sendKeyFile") {
return ServerGlobalParams::ClusterAuthMode_sendKeyFile;
} else if (strMode == "sendX509") {
return ServerGlobalParams::ClusterAuthMode_sendX509;
} else if (strMode == "x509") {
return ServerGlobalParams::ClusterAuthMode_x509;
} else {
return Status(ErrorCodes::BadValue,
str::stream()
<< "Invalid clusterAuthMode '" << strMode
<< "', expected one of: 'keyFile', 'sendKeyFile', 'sendX509', or 'x509'");
}
}
template <typename T, typename U>
StatusWith<SSLParams::SSLModes> checkTLSModeTransition(T modeToString,
U stringToMode,
StringData parameterName,
StringData strMode) {
auto mode = stringToMode(strMode);
if (!mode.isOK()) {
return mode.getStatus();
}
auto oldMode = sslGlobalParams.sslMode.load();
if ((mode == SSLParams::SSLMode_preferSSL) && (oldMode == SSLParams::SSLMode_allowSSL)) {
return mode;
} else if ((mode == SSLParams::SSLMode_requireSSL) &&
(oldMode == SSLParams::SSLMode_preferSSL)) {
return mode;
} else {
return {ErrorCodes::BadValue,
str::stream() << "Illegal state transition for " << parameterName
<< ", attempt to change from "
<< modeToString(static_cast<SSLParams::SSLModes>(oldMode)) << " to "
<< strMode};
}
}
std::once_flag warnForSSLMode;
} // namespace
void SSLModeServerParameter::append(OperationContext*,
BSONObjBuilder& builder,
const std::string& fieldName) {
std::call_once(warnForSSLMode, [] {
warning() << "Use of deprecated server parameter 'sslMode', please use 'tlsMode' instead.";
});
builder.append(fieldName, SSLParams::sslModeFormat(sslGlobalParams.sslMode.load()));
}
void TLSModeServerParameter::append(OperationContext*,
BSONObjBuilder& builder,
const std::string& fieldName) {
builder.append(
fieldName,
SSLParams::tlsModeFormat(static_cast<SSLParams::SSLModes>(sslGlobalParams.sslMode.load())));
}
Status SSLModeServerParameter::setFromString(const std::string& strMode) {
std::call_once(warnForSSLMode, [] {
warning() << "Use of deprecated server parameter 'sslMode', please use 'tlsMode' instead.";
});
auto swNewMode = checkTLSModeTransition(
SSLParams::sslModeFormat, SSLParams::sslModeParse, "sslMode", strMode);
if (!swNewMode.isOK()) {
return swNewMode.getStatus();
}
sslGlobalParams.sslMode.store(swNewMode.getValue());
return Status::OK();
}
Status TLSModeServerParameter::setFromString(const std::string& strMode) {
auto swNewMode = checkTLSModeTransition(
SSLParams::tlsModeFormat, SSLParams::tlsModeParse, "tlsMode", strMode);
if (!swNewMode.isOK()) {
return swNewMode.getStatus();
}
sslGlobalParams.sslMode.store(swNewMode.getValue());
return Status::OK();
}
} // namespace mongo
mongo::Status mongo::validateOpensslCipherConfig(const std::string&) {
if (!sslGlobalParams.sslCipherConfig.empty()) {
return {ErrorCodes::BadValue,
"opensslCipherConfig setParameter is incompatible with net.tls.tlsCipherConfig"};
}
// Note that there is very little validation that we can do here.
// OpenSSL exposes no API to validate a cipher config string. The only way to figure out
// what a string maps to is to make an SSL_CTX object, set the string on it, then parse the
// resulting STACK_OF object. If provided an invalid entry in the string, it will silently
// ignore it. Because an entry in the string may map to multiple ciphers, or remove ciphers
// from the final set produced by the full string, we can't tell if any entry failed
// to parse.
return Status::OK();
}
mongo::Status mongo::validateDisableNonTLSConnectionLogging(const bool&) {
if (sslGlobalParams.disableNonSSLConnectionLoggingSet) {
return {ErrorCodes::BadValue,
"Error parsing command line: Multiple occurrences of option "
"disableNonTLSConnectionLogging"};
}
return Status::OK();
}
mongo::Status mongo::onUpdateDisableNonTLSConnectionLogging(const bool&) {
// disableNonSSLConnectionLogging is a write-once setting.
// Once we've updated it, we're not allowed to specify the set-param again.
// Record that update in a second bool value.
sslGlobalParams.disableNonSSLConnectionLoggingSet = true;
return Status::OK();
}
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