bool CmdSaslStart::run(OperationContext* txn,
const std::string& db,
BSONObj& cmdObj,
int options,
std::string& ignored,
BSONObjBuilder& result,
bool fromRepl) {
ClientBasic* client = ClientBasic::getCurrent();
client->resetAuthenticationSession(NULL);
SaslAuthenticationSession* session =
SaslAuthenticationSession::create(client->getAuthorizationSession());
boost::scoped_ptr<AuthenticationSession> sessionGuard(session);
session->setOpCtxt(txn);
Status status = doSaslStart(session, db, cmdObj, &result);
addStatus(status, &result);
if (session->isDone()) {
audit::logAuthentication(
client,
session->getMechanism(),
UserName(session->getPrincipalId(), db),
status.code());
}
else {
client->swapAuthenticationSession(sessionGuard);
}
return status.isOK();
}
bool CmdSaslContinue::run(OperationContext* txn,
const std::string& db,
BSONObj& cmdObj,
int options,
std::string& ignored,
BSONObjBuilder& result,
bool fromRepl) {
ClientBasic* client = ClientBasic::getCurrent();
boost::scoped_ptr<AuthenticationSession> sessionGuard(NULL);
client->swapAuthenticationSession(sessionGuard);
if (!sessionGuard || sessionGuard->getType() != AuthenticationSession::SESSION_TYPE_SASL) {
addStatus(Status(ErrorCodes::ProtocolError, "No SASL session state found"), &result);
return false;
}
SaslAuthenticationSession* session =
static_cast<SaslAuthenticationSession*>(sessionGuard.get());
// Authenticating the __system@local user to the admin database on mongos is required
// by the auth passthrough test suite.
if (session->getAuthenticationDatabase() != db && !Command::testCommandsEnabled) {
addStatus(Status(ErrorCodes::ProtocolError,
"Attempt to switch database target during SASL authentication."),
&result);
return false;
}
session->setOpCtxt(txn);
Status status = doSaslContinue(session, cmdObj, &result);
addStatus(status, &result);
if (session->isDone()) {
audit::logAuthentication(
client,
session->getMechanism(),
UserName(session->getPrincipalId(), db),
status.code());
}
else {
client->swapAuthenticationSession(sessionGuard);
}
return status.isOK();
}
Status CmdAuthenticate::_authenticateCR(const UserName& user, const BSONObj& cmdObj) {
if (user == internalSecurity.user->getName() &&
serverGlobalParams.clusterAuthMode == "x509") {
return Status(ErrorCodes::AuthenticationFailed,
"Mechanism x509 is required for internal cluster authentication");
}
if (!_areNonceAuthenticateCommandsEnabled) {
// SERVER-8461, MONGODB-CR must be enabled for authenticating the internal user, so that
// cluster members may communicate with each other.
if (user != internalSecurity.user->getName()) {
return Status(ErrorCodes::BadValue, _nonceAuthenticateCommandsDisabledMessage);
}
}
string key = cmdObj.getStringField("key");
string received_nonce = cmdObj.getStringField("nonce");
if( user.getUser().empty() || key.empty() || received_nonce.empty() ) {
sleepmillis(10);
return Status(ErrorCodes::ProtocolError,
"field missing/wrong type in received authenticate command");
}
stringstream digestBuilder;
{
ClientBasic *client = ClientBasic::getCurrent();
boost::scoped_ptr<AuthenticationSession> session;
client->swapAuthenticationSession(session);
if (!session || session->getType() != AuthenticationSession::SESSION_TYPE_MONGO) {
sleepmillis(30);
return Status(ErrorCodes::ProtocolError, "No pending nonce");
}
else {
nonce64 nonce = static_cast<MongoAuthenticationSession*>(session.get())->getNonce();
digestBuilder << hex << nonce;
if (digestBuilder.str() != received_nonce) {
sleepmillis(30);
return Status(ErrorCodes::AuthenticationFailed, "Received wrong nonce.");
}
}
}
User* userObj;
Status status = getGlobalAuthorizationManager()->acquireUser(user, &userObj);
if (!status.isOK()) {
// Failure to find the privilege document indicates no-such-user, a fact that we do not
// wish to reveal to the client. So, we return AuthenticationFailed rather than passing
// through the returned status.
return Status(ErrorCodes::AuthenticationFailed, status.toString());
}
string pwd = userObj->getCredentials().password;
getGlobalAuthorizationManager()->releaseUser(userObj);
md5digest d;
{
digestBuilder << user.getUser() << pwd;
string done = digestBuilder.str();
md5_state_t st;
md5_init(&st);
md5_append(&st, (const md5_byte_t *) done.c_str(), done.size());
md5_finish(&st, d);
}
string computed = digestToString( d );
if ( key != computed ) {
return Status(ErrorCodes::AuthenticationFailed, "key mismatch");
}
AuthorizationSession* authorizationSession =
ClientBasic::getCurrent()->getAuthorizationSession();
status = authorizationSession->addAndAuthorizeUser(user);
if (!status.isOK()) {
return status;
}
return Status::OK();
}
