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/* Copyright 2012 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mongo/client/sasl_client_authenticate.h"
#include <string>
#include "mongo/base/string_data.h"
#include "mongo/bson/util/bson_extract.h"
#include "mongo/util/base64.h"
#include "mongo/util/mongoutils/str.h"
namespace mongo {
using namespace mongoutils;
Status (*saslClientAuthenticate)(DBClientWithCommands* client,
const BSONObj& saslParameters) = NULL;
const char* const saslStartCommandName = "saslStart";
const char* const saslContinueCommandName = "saslContinue";
const char* const saslCommandAutoAuthorizeFieldName = "autoAuthorize";
const char* const saslCommandCodeFieldName = "code";
const char* const saslCommandConversationIdFieldName = "conversationId";
const char* const saslCommandDoneFieldName = "done";
const char* const saslCommandErrmsgFieldName = "errmsg";
const char* const saslCommandMechanismFieldName = "mechanism";
const char* const saslCommandMechanismListFieldName = "supportedMechanisms";
const char* const saslCommandPasswordFieldName = "pwd";
const char* const saslCommandPayloadFieldName = "payload";
const char* const saslCommandUserDBFieldName = "db";
const char* const saslCommandUserFieldName = "user";
const char* const saslCommandServiceHostnameFieldName = "serviceHostname";
const char* const saslCommandServiceNameFieldName = "serviceName";
const char* const saslCommandDigestPasswordFieldName = "digestPassword";
const char* const saslDefaultDBName = "$external";
const char* const saslDefaultServiceName = "mongodb";
Status saslExtractPayload(const BSONObj& cmdObj, std::string* payload, BSONType* type) {
BSONElement payloadElement;
Status status = bsonExtractField(cmdObj, saslCommandPayloadFieldName, &payloadElement);
if (!status.isOK())
return status;
*type = payloadElement.type();
if (payloadElement.type() == BinData) {
const char* payloadData;
int payloadLen;
payloadData = payloadElement.binData(payloadLen);
if (payloadLen < 0)
return Status(ErrorCodes::InvalidLength, "Negative payload length");
*payload = std::string(payloadData, payloadData + payloadLen);
}
else if (payloadElement.type() == String) {
try {
*payload = base64::decode(payloadElement.str());
} catch (UserException& e) {
return Status(ErrorCodes::FailedToParse, e.what());
}
}
else {
return Status(ErrorCodes::TypeMismatch,
(str::stream() << "Wrong type for field; expected BinData or String for "
<< payloadElement));
}
return Status::OK();
}
} // namespace mongo
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