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/**
* Copyright (C) 2012 10gen 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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kAccessControl
#include "mongo/platform/basic.h"
#include "mongo/db/auth/authz_manager_external_state_s.h"
#include <string>
#include <vector>
#include "mongo/db/auth/authorization_manager.h"
#include "mongo/db/auth/authorization_manager_global.h"
#include "mongo/db/auth/authz_session_external_state_s.h"
#include "mongo/db/auth/user_name.h"
#include "mongo/db/commands.h"
#include "mongo/db/jsobj.h"
#include "mongo/s/catalog/catalog_manager.h"
#include "mongo/s/grid.h"
#include "mongo/stdx/memory.h"
#include "mongo/util/mongoutils/str.h"
namespace mongo {
AuthzManagerExternalStateMongos::AuthzManagerExternalStateMongos() = default;
AuthzManagerExternalStateMongos::~AuthzManagerExternalStateMongos() = default;
Status AuthzManagerExternalStateMongos::initialize(OperationContext* txn) {
return Status::OK();
}
std::unique_ptr<AuthzSessionExternalState>
AuthzManagerExternalStateMongos::makeAuthzSessionExternalState(AuthorizationManager* authzManager) {
return stdx::make_unique<AuthzSessionExternalStateMongos>(authzManager);
}
Status AuthzManagerExternalStateMongos::getStoredAuthorizationVersion(OperationContext* txn,
int* outVersion) {
// Note: we are treating
// { 'getParameter' : 1, <authSchemaVersionServerParameter> : 1 }
// as a user management command since this is the *only* part of mongos
// that runs this command
BSONObj getParameterCmd = BSON("getParameter" << 1 << authSchemaVersionServerParameter << 1);
BSONObjBuilder builder;
const bool ok = grid.catalogManager()->runReadCommand("admin", getParameterCmd, &builder);
BSONObj cmdResult = builder.obj();
if (!ok) {
return Command::getStatusFromCommandResult(cmdResult);
}
BSONElement versionElement = cmdResult[authSchemaVersionServerParameter];
if (versionElement.eoo()) {
return Status(ErrorCodes::UnknownError, "getParameter misbehaved.");
}
*outVersion = versionElement.numberInt();
return Status::OK();
}
Status AuthzManagerExternalStateMongos::getUserDescription(OperationContext* txn,
const UserName& userName,
BSONObj* result) {
BSONObj usersInfoCmd =
BSON("usersInfo" << BSON_ARRAY(BSON(AuthorizationManager::USER_NAME_FIELD_NAME
<< userName.getUser()
<< AuthorizationManager::USER_DB_FIELD_NAME
<< userName.getDB())) << "showPrivileges" << true
<< "showCredentials" << true);
BSONObjBuilder builder;
const bool ok = grid.catalogManager()->runReadCommand("admin", usersInfoCmd, &builder);
BSONObj cmdResult = builder.obj();
if (!ok) {
return Command::getStatusFromCommandResult(cmdResult);
}
std::vector<BSONElement> foundUsers = cmdResult["users"].Array();
if (foundUsers.size() == 0) {
return Status(ErrorCodes::UserNotFound, "User \"" + userName.toString() + "\" not found");
}
if (foundUsers.size() > 1) {
return Status(ErrorCodes::UserDataInconsistent,
str::stream() << "Found multiple users on the \"" << userName.getDB()
<< "\" database with name \"" << userName.getUser() << "\"");
}
*result = foundUsers[0].Obj().getOwned();
return Status::OK();
}
Status AuthzManagerExternalStateMongos::getRoleDescription(const RoleName& roleName,
bool showPrivileges,
BSONObj* result) {
BSONObj rolesInfoCmd =
BSON("rolesInfo" << BSON_ARRAY(BSON(
AuthorizationManager::ROLE_NAME_FIELD_NAME
<< roleName.getRole() << AuthorizationManager::ROLE_DB_FIELD_NAME
<< roleName.getDB())) << "showPrivileges" << showPrivileges);
BSONObjBuilder builder;
const bool ok = grid.catalogManager()->runReadCommand("admin", rolesInfoCmd, &builder);
BSONObj cmdResult = builder.obj();
if (!ok) {
return Command::getStatusFromCommandResult(cmdResult);
}
std::vector<BSONElement> foundRoles = cmdResult["roles"].Array();
if (foundRoles.size() == 0) {
return Status(ErrorCodes::RoleNotFound, "Role \"" + roleName.toString() + "\" not found");
}
if (foundRoles.size() > 1) {
return Status(ErrorCodes::RoleDataInconsistent,
str::stream() << "Found multiple roles on the \"" << roleName.getDB()
<< "\" database with name \"" << roleName.getRole() << "\"");
}
*result = foundRoles[0].Obj().getOwned();
return Status::OK();
}
Status AuthzManagerExternalStateMongos::getRoleDescriptionsForDB(const std::string dbname,
bool showPrivileges,
bool showBuiltinRoles,
std::vector<BSONObj>* result) {
BSONObj rolesInfoCmd = BSON("rolesInfo" << 1 << "showPrivileges" << showPrivileges
<< "showBuiltinRoles" << showBuiltinRoles);
BSONObjBuilder builder;
const bool ok = grid.catalogManager()->runReadCommand(dbname, rolesInfoCmd, &builder);
BSONObj cmdResult = builder.obj();
if (!ok) {
return Command::getStatusFromCommandResult(cmdResult);
}
for (BSONObjIterator it(cmdResult["roles"].Obj()); it.more(); it.next()) {
result->push_back((*it).Obj().getOwned());
}
return Status::OK();
}
bool AuthzManagerExternalStateMongos::hasAnyPrivilegeDocuments(OperationContext* txn) {
BSONObj usersInfoCmd = BSON("usersInfo" << 1);
BSONObjBuilder builder;
const bool ok = grid.catalogManager()->runReadCommand("admin", usersInfoCmd, &builder);
if (!ok) {
// If we were unable to complete the query,
// it's best to assume that there _are_ privilege documents. This might happen
// if the node contaning the users collection becomes transiently unavailable.
// See SERVER-12616, for example.
return true;
}
BSONObj cmdResult = builder.obj();
std::vector<BSONElement> foundUsers = cmdResult["users"].Array();
return foundUsers.size() > 0;
}
} // namespace mongo
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