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// security.cpp
/**
* Copyright (C) 2009 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 "pch.h"
#include "security.h"
#include "security_common.h"
#include "instance.h"
#include "client.h"
#include "curop-inl.h"
#include "db.h"
#include "dbhelpers.h"
// this is the _mongod only_ implementation of security.h
namespace mongo {
bool AuthenticationInfo::_warned = false;
/*
void AuthenticationInfo::print() const {
cout << "AuthenticationInfo: " << this << '\n';
for ( MA::const_iterator i=_dbs.begin(); i!=_dbs.end(); i++ ) {
cout << "\t" << i->first << "\t" << i->second.level << '\n';
}
cout << "END" << endl;
}
*/
string AuthenticationInfo::getUser( const string& dbname ) const {
scoped_spinlock lk(_lock);
MA::const_iterator i = _dbs.find(dbname);
if ( i == _dbs.end() )
return "";
return i->second.user;
}
bool AuthenticationInfo::_isAuthorizedSpecialChecks( const string& dbname ) const {
if ( cc().isGod() )
return true;
if ( isLocalHost ) {
atleastreadlock l("");
Client::GodScope gs;
Client::Context c("admin.system.users");
BSONObj result;
if( ! Helpers::getSingleton("admin.system.users", result) ) {
if( ! _warned ) {
// you could get a few of these in a race, but that's ok
_warned = true;
log() << "note: no users configured in admin.system.users, allowing localhost access" << endl;
}
return true;
}
}
return false;
}
bool CmdAuthenticate::getUserObj(const string& dbname, const string& user, BSONObj& userObj, string& pwd) {
if (user == internalSecurity.user) {
uassert(15889, "key file must be used to log in with internal user", cmdLine.keyFile);
pwd = internalSecurity.pwd;
}
else {
// static BSONObj userPattern = fromjson("{\"user\":1}");
string systemUsers = dbname + ".system.users";
// OCCASIONALLY Helpers::ensureIndex(systemUsers.c_str(), userPattern, false, "user_1");
{
mongolock lk(false);
Client::Context c(systemUsers, dbpath, &lk, false);
BSONObjBuilder b;
b << "user" << user;
BSONObj query = b.done();
if( !Helpers::findOne(systemUsers.c_str(), query, userObj) ) {
log() << "auth: couldn't find user " << user << ", " << systemUsers << endl;
return false;
}
}
pwd = userObj.getStringField("pwd");
}
return true;
}
void CmdAuthenticate::authenticate(const string& dbname, const string& user, const bool readOnly) {
AuthenticationInfo *ai = cc().getAuthenticationInfo();
if ( readOnly ) {
ai->authorizeReadOnly( dbname.c_str() , user );
}
else {
ai->authorize( dbname.c_str() , user );
}
}
bool CmdLogout::run(const string& dbname , BSONObj& cmdObj, int, string& errmsg, BSONObjBuilder& result, bool fromRepl) {
AuthenticationInfo *ai = cc().getAuthenticationInfo();
ai->logout(dbname);
return true;
}
} // namespace mongo
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