bool CmdAuthenticate::run(const string& dbname , BSONObj& cmdObj, int, string& errmsg, BSONObjBuilder& result, bool fromRepl) {
log() << " authenticate db: " << dbname << " " << cmdObj << endl;
string user = cmdObj.getStringField("user");
string key = cmdObj.getStringField("key");
string received_nonce = cmdObj.getStringField("nonce");
if( user.empty() || key.empty() || received_nonce.empty() ) {
log() << "field missing/wrong type in received authenticate command "
<< dbname
<< endl;
errmsg = "auth fails";
sleepmillis(10);
return false;
}
stringstream digestBuilder;
{
bool reject = false;
ClientBasic *client = ClientBasic::getCurrent();
AuthenticationSession *session = client->getAuthenticationSession();
if (!session || session->getType() != AuthenticationSession::SESSION_TYPE_MONGO) {
reject = true;
LOG(1) << "auth: No pending nonce" << endl;
}
else {
nonce64 nonce = static_cast<MongoAuthenticationSession*>(session)->getNonce();
digestBuilder << hex << nonce;
reject = digestBuilder.str() != received_nonce;
if ( reject ) {
LOG(1) << "auth: Authentication failed for " << dbname << '$' << user << endl;
}
}
client->resetAuthenticationSession(NULL);
if ( reject ) {
log() << "auth: bad nonce received or getnonce not called. could be a driver bug or a security attack. db:" << dbname << endl;
errmsg = "auth fails";
sleepmillis(30);
return false;
}
}
BSONObj userObj;
string pwd;
if (!getUserObj(dbname, user, userObj, pwd)) {
errmsg = "auth fails";
return false;
}
md5digest d;
{
digestBuilder << user << 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 ) {
log() << "auth: key mismatch " << user << ", ns:" << dbname << endl;
errmsg = "auth fails";
return false;
}
bool readOnly = userObj["readOnly"].trueValue();
authenticate(dbname, user, readOnly );
result.append( "dbname" , dbname );
result.append( "user" , user );
result.appendBool( "readOnly" , readOnly );
return true;
}
bool CmdAuthenticate::run(const string& dbname , BSONObj& cmdObj, int, string& errmsg, BSONObjBuilder& result, bool fromRepl) {
log() << " authenticate: " << cmdObj << endl;
string user = cmdObj.getStringField("user");
string key = cmdObj.getStringField("key");
string received_nonce = cmdObj.getStringField("nonce");
if( user.empty() || key.empty() || received_nonce.empty() ) {
log() << "field missing/wrong type in received authenticate command "
<< dbname
<< endl;
errmsg = "auth fails";
sleepmillis(10);
return false;
}
stringstream digestBuilder;
{
bool reject = false;
nonce64 *ln = lastNonce.release();
if ( ln == 0 ) {
reject = true;
log(1) << "auth: no lastNonce" << endl;
}
else {
digestBuilder << hex << *ln;
reject = digestBuilder.str() != received_nonce;
if ( reject ) log(1) << "auth: different lastNonce" << endl;
}
if ( reject ) {
log() << "auth: bad nonce received or getnonce not called. could be a driver bug or a security attack. db:" << dbname << endl;
errmsg = "auth fails";
sleepmillis(30);
return false;
}
}
BSONObj userObj;
string pwd;
if (!getUserObj(dbname, user, userObj, pwd)) {
errmsg = "auth fails";
return false;
}
md5digest d;
{
digestBuilder << user << 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 ) {
log() << "auth: key mismatch " << user << ", ns:" << dbname << endl;
errmsg = "auth fails";
return false;
}
authenticate(dbname, user, userObj[ "readOnly" ].isBoolean() && userObj[ "readOnly" ].boolean());
return true;
}