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/**
* Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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 <queue>
#include "mongo/bson/util/bson_extract.h"
#include "mongo/client/authenticate.h"
#include "mongo/config.h"
#include "mongo/db/jsobj.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/base64.h"
#include "mongo/util/md5.hpp"
#include "mongo/util/net/hostandport.h"
#include "mongo/util/password_digest.h"
namespace {
using namespace mongo;
using executor::RemoteCommandRequest;
using executor::RemoteCommandResponse;
using auth::RunCommandResultHandler;
/**
* Utility class to support tests in this file. Allows caller to load
* with pre-made responses and requests to interject into authentication methods.
*/
class AuthClientTest : public mongo::unittest::Test {
public:
AuthClientTest()
: _mockHost(),
_millis(100),
_username("PinkPanther"),
_password("shhhhhhh"),
_password_digest(createPasswordDigest(_username, _password)),
_nonce("7ca422a24f326f2a"),
_requests(),
_responses() {
_runCommandCallback = [this](RemoteCommandRequest request,
RunCommandResultHandler handler) {
runCommand(std::move(request), handler);
};
// create our digest
md5digest d;
{
md5_state_t st;
md5_init(&st);
md5_append(&st, (const md5_byte_t*)_nonce.c_str(), _nonce.size());
md5_append(&st, (const md5_byte_t*)_username.c_str(), _username.size());
md5_append(&st, (const md5_byte_t*)_password_digest.c_str(), _password_digest.size());
md5_finish(&st, d);
}
_digest = digestToString(d);
}
// protected:
void runCommand(RemoteCommandRequest request, RunCommandResultHandler handler) {
// Validate the received request
ASSERT(!_requests.empty());
RemoteCommandRequest expected = _requests.front();
ASSERT(expected.dbname == request.dbname);
ASSERT_BSONOBJ_EQ(expected.cmdObj, request.cmdObj);
_requests.pop();
// Then pop a response and call the handler
ASSERT(!_responses.empty());
handler(_responses.front());
_responses.pop();
}
void reset() {
// If there are things left then we did something wrong.
ASSERT(_responses.empty());
ASSERT(_requests.empty());
}
void pushResponse(const BSONObj& cmd) {
_responses.emplace(cmd, _millis);
}
void pushRequest(StringData dbname, const BSONObj& cmd) {
_requests.emplace(_mockHost, dbname.toString(), cmd, nullptr);
}
BSONObj loadMongoCRConversation() {
// 1. Client sends 'getnonce' command
pushRequest("admin", BSON("getnonce" << 1));
// 2. Client receives nonce
pushResponse(BSON("nonce" << _nonce << "ok" << 1));
// 3. Client sends 'authenticate' command
pushRequest("admin",
BSON("authenticate" << 1 << "nonce" << _nonce << "user" << _username << "key"
<< _digest));
// 4. Client receives 'ok'
pushResponse(BSON("ok" << 1));
// Call clientAuthenticate()
return BSON("mechanism"
<< "MONGODB-CR"
<< "db"
<< "admin"
<< "user"
<< _username
<< "pwd"
<< _password
<< "digest"
<< "true");
}
BSONObj loadX509Conversation() {
// 1. Client sends 'authenticate' command
pushRequest("$external",
BSON("authenticate" << 1 << "mechanism"
<< "MONGODB-X509"
<< "user"
<< _username));
// 2. Client receives 'ok'
pushResponse(BSON("ok" << 1));
// Call clientAuthenticate()
return BSON("mechanism"
<< "MONGODB-X509"
<< "db"
<< "$external"
<< "user"
<< _username);
}
auth::RunCommandHook _runCommandCallback;
// Auth code doesn't use HostAndPort information.
HostAndPort _mockHost;
Milliseconds _millis;
// Some credentials
std::string _username;
std::string _password;
std::string _password_digest;
std::string _digest;
std::string _nonce;
std::queue<RemoteCommandRequest> _requests;
std::queue<RemoteCommandResponse> _responses;
};
TEST_F(AuthClientTest, MongoCR) {
// This test excludes the MONGODB-CR support found in mongo/shell/mongodbcr.cpp
// so it should fail to auth.
// jstests exist to ensure MONGODB-CR continues to work from the client.
auto params = loadMongoCRConversation();
ASSERT_THROWS(
auth::authenticateClient(std::move(params), HostAndPort(), "", _runCommandCallback),
DBException);
}
TEST_F(AuthClientTest, asyncMongoCR) {
// As with the sync version above, we expect authentication to fail
// since this test was built without MONGODB-CR support.
auto params = loadMongoCRConversation();
auth::authenticateClient(std::move(params),
HostAndPort(),
"",
_runCommandCallback,
[this](auth::AuthResponse response) { ASSERT(!response.isOK()); });
}
#ifdef MONGO_CONFIG_SSL
TEST_F(AuthClientTest, X509) {
auto params = loadX509Conversation();
auth::authenticateClient(std::move(params), HostAndPort(), _username, _runCommandCallback);
}
TEST_F(AuthClientTest, asyncX509) {
auto params = loadX509Conversation();
auth::authenticateClient(std::move(params),
HostAndPort(),
_username,
_runCommandCallback,
[this](auth::AuthResponse response) { ASSERT(response.isOK()); });
}
#endif
} // namespace
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