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mongodb/s/security.cpp

103 lines
3.4 KiB
C++

// security.cpp
/*
* Copyright (C) 2010 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/>.
*/
// security.cpp
#include "pch.h"
#include "../db/security_common.h"
#include "../db/security.h"
#include "config.h"
#include "client.h"
#include "grid.h"
// this is the _mongos only_ implementation of security.h
namespace mongo {
bool AuthenticationInfo::_warned;
bool CmdAuthenticate::getUserObj(const string& dbname, const string& user, BSONObj& userObj, string& pwd) {
if (user == internalSecurity.user) {
pwd = internalSecurity.pwd;
}
else {
string systemUsers = dbname + ".system.users";
DBConfigPtr config = grid.getDBConfig( systemUsers );
Shard s = config->getShard( systemUsers );
static BSONObj userPattern = BSON("user" << 1);
ShardConnection conn( s, systemUsers );
OCCASIONALLY conn->ensureIndex(systemUsers, userPattern, false, "user_1");
{
BSONObjBuilder b;
b << "user" << user;
BSONObj query = b.done();
userObj = conn->findOne(systemUsers, query);
if( userObj.isEmpty() ) {
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 = ClientInfo::get()->getAuthenticationInfo();
if ( readOnly ) {
ai->authorizeReadOnly( dbname , user );
}
else {
ai->authorize( dbname , user );
}
}
bool AuthenticationInfo::_isAuthorizedSpecialChecks( const string& dbname ) const {
if ( !isLocalHost ) {
return false;
}
string adminNs = "admin.system.users";
DBConfigPtr config = grid.getDBConfig( adminNs );
Shard s = config->getShard( adminNs );
ShardConnection conn( s, adminNs );
BSONObj result = conn->findOne("admin.system.users", Query());
if( result.isEmpty() ) {
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 CmdLogout::run(const string& dbname , BSONObj& cmdObj, int, string& errmsg, BSONObjBuilder& result, bool fromRepl) {
AuthenticationInfo *ai = ClientInfo::get()->getAuthenticationInfo();
ai->logout(dbname);
return true;
}
}