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/**
* Copyright (C) 2013 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/>.
*/
#include <string>
#include <vector>
#include "mongo/base/status.h"
#include "mongo/bson/mutable/algorithm.h"
#include "mongo/bson/mutable/document.h"
#include "mongo/bson/util/bson_extract.h"
#include "mongo/client/dbclientinterface.h"
#include "mongo/db/auth/action_set.h"
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/authorization_manager.h"
#include "mongo/db/auth/authorization_manager_global.h"
#include "mongo/db/auth/privilege.h"
#include "mongo/db/auth/user.h"
#include "mongo/db/commands.h"
#include "mongo/db/commands/user_management_commands_parser.h"
#include "mongo/db/jsobj.h"
#include "mongo/platform/unordered_set.h"
#include "mongo/util/mongoutils/str.h"
namespace mongo {
static void addStatus(const Status& status, BSONObjBuilder& builder) {
builder.append("ok", status.isOK() ? 1.0: 0.0);
if (!status.isOK())
builder.append("code", status.code());
if (!status.reason().empty())
builder.append("errmsg", status.reason());
}
static void redactPasswordData(mutablebson::Element parent) {
namespace mmb = mutablebson;
const StringData pwdFieldName("pwd", StringData::LiteralTag());
for (mmb::Element pwdElement = mmb::findFirstChildNamed(parent, pwdFieldName);
pwdElement.ok();
pwdElement = mmb::findElementNamed(pwdElement.rightSibling(), pwdFieldName)) {
pwdElement.setValueString("xxx");
}
}
class CmdCreateUser : public Command {
public:
virtual bool logTheOp() {
return false;
}
virtual bool slaveOk() const {
return false;
}
virtual LockType locktype() const {
return NONE;
}
CmdCreateUser() : Command("createUser") {}
virtual void help(stringstream& ss) const {
ss << "Adds a user to the system" << endl;
}
virtual void addRequiredPrivileges(const std::string& dbname,
const BSONObj& cmdObj,
std::vector<Privilege>* out) {
// TODO: update this with the new rules around user creation in 2.6.
ActionSet actions;
actions.addAction(ActionType::userAdmin);
out->push_back(Privilege(dbname, actions));
}
bool run(const string& dbname,
BSONObj& cmdObj,
int options,
string& errmsg,
BSONObjBuilder& result,
bool fromRepl) {
AuthorizationManager* authzManager = getGlobalAuthorizationManager();
BSONObj userObj;
Status status = auth::parseAndValidateCreateUserCommand(cmdObj,
dbname,
authzManager,
&userObj);
if (!status.isOK()) {
addStatus(status, result);
return false;
}
status = authzManager->insertPrivilegeDocument(dbname, userObj);
if (!status.isOK()) {
addStatus(status, result);
return false;
}
return true;
}
virtual void redactForLogging(mutablebson::Document* cmdObj) {
redactPasswordData(cmdObj->root());
}
} cmdCreateUser;
class CmdUpdateUser : public Command {
public:
virtual bool logTheOp() {
return false;
}
virtual bool slaveOk() const {
return false;
}
virtual LockType locktype() const {
return NONE;
}
CmdUpdateUser() : Command("updateUser") {}
virtual void help(stringstream& ss) const {
ss << "Used to update a user, for example to change its password" << endl;
}
virtual void addRequiredPrivileges(const std::string& dbname,
const BSONObj& cmdObj,
std::vector<Privilege>* out) {
// TODO: update this with the new rules around user creation in 2.6.
ActionSet actions;
actions.addAction(ActionType::userAdmin);
out->push_back(Privilege(dbname, actions));
}
bool run(const string& dbname,
BSONObj& cmdObj,
int options,
string& errmsg,
BSONObjBuilder& result,
bool fromRepl) {
AuthorizationManager* authzManager = getGlobalAuthorizationManager();
BSONObj updateObj;
UserName userName;
Status status = auth::parseAndValidateUpdateUserCommand(cmdObj,
dbname,
authzManager,
&updateObj,
&userName);
if (!status.isOK()) {
addStatus(status, result);
return false;
}
status = authzManager->updatePrivilegeDocument(userName, updateObj);
if (!status.isOK()) {
addStatus(status, result);
return false;
}
authzManager->invalidateUserByName(userName);
return true;
}
virtual void redactForLogging(mutablebson::Document* cmdObj) {
redactPasswordData(cmdObj->root());
}
} cmdUpdateUser;
class CmdRemoveUser : public Command {
public:
virtual bool logTheOp() {
return false;
}
virtual bool slaveOk() const {
return false;
}
virtual LockType locktype() const {
return NONE;
}
CmdRemoveUser() : Command("removeUser") {}
virtual void help(stringstream& ss) const {
ss << "Removes a single user." << endl;
}
virtual void addRequiredPrivileges(const std::string& dbname,
const BSONObj& cmdObj,
std::vector<Privilege>* out) {
// TODO: update this with the new rules around user creation in 2.6.
ActionSet actions;
actions.addAction(ActionType::userAdmin);
out->push_back(Privilege(dbname, actions));
}
bool run(const string& dbname,
BSONObj& cmdObj,
int options,
string& errmsg,
BSONObjBuilder& result,
bool fromRepl) {
std::string user;
Status status = bsonExtractStringField(cmdObj, "removeUser", &user);
if (!status.isOK()) {
addStatus(status, result);
return false;
}
int numUpdated;
AuthorizationManager* authzManager = getGlobalAuthorizationManager();
status = authzManager->removePrivilegeDocuments(
BSON(AuthorizationManager::USER_NAME_FIELD_NAME << user <<
AuthorizationManager::USER_SOURCE_FIELD_NAME << dbname),
&numUpdated);
if (!status.isOK()) {
addStatus(status, result);
return false;
}
if (numUpdated == 0) {
addStatus(Status(ErrorCodes::UserNotFound,
mongoutils::str::stream() << "User '" << user << "@" <<
dbname << "' not found"),
result);
return false;
}
authzManager->invalidateUserByName(UserName(user, dbname));
return true;
}
} cmdRemoveUser;
class CmdRemoveUsersFromDatabase : public Command {
public:
virtual bool logTheOp() {
return false;
}
virtual bool slaveOk() const {
return false;
}
virtual LockType locktype() const {
return NONE;
}
CmdRemoveUsersFromDatabase() : Command("removeUsersFromDatabase") {}
virtual void help(stringstream& ss) const {
ss << "Removes all users for a single database." << endl;
}
virtual void addRequiredPrivileges(const std::string& dbname,
const BSONObj& cmdObj,
std::vector<Privilege>* out) {
// TODO: update this with the new rules around user creation in 2.6.
ActionSet actions;
actions.addAction(ActionType::userAdmin);
out->push_back(Privilege(dbname, actions));
}
bool run(const string& dbname,
BSONObj& cmdObj,
int options,
string& errmsg,
BSONObjBuilder& result,
bool fromRepl) {
int numRemoved;
AuthorizationManager* authzManager = getGlobalAuthorizationManager();
Status status = authzManager->removePrivilegeDocuments(
BSON(AuthorizationManager::USER_SOURCE_FIELD_NAME << dbname),
&numRemoved);
if (!status.isOK()) {
addStatus(status, result);
return false;
}
result.append("n", numRemoved);
authzManager->invalidateUsersFromDB(dbname);
return true;
}
} cmdRemoveUsersFromDatabase;
}
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