/**
* Updates roleGraph for command-type oplog operations on the admin database.
*/
Status handleOplogCommand(RoleGraph* roleGraph, const BSONObj& cmdObj) {
const NamespaceString& rolesCollectionNamespace =
AuthorizationManager::rolesCollectionNamespace;
const StringData cmdName(cmdObj.firstElement().fieldNameStringData());
if (cmdName == "applyOps") {
// Operations applied by applyOps will be passed into RoleGraph::handleOplog() by the
// implementation of applyOps itself.
return Status::OK();
}
if (cmdName == "create") {
return Status::OK();
}
if (cmdName == "drop") {
if (cmdObj.firstElement().str() == rolesCollectionNamespace.coll()) {
*roleGraph = RoleGraph();
}
return Status::OK();
}
if (cmdName == "dropDatabase") {
*roleGraph = RoleGraph();
return Status::OK();
}
if (cmdName == "renameCollection") {
if (cmdObj.firstElement().str() == rolesCollectionNamespace.ns()) {
*roleGraph = RoleGraph();
return Status::OK();
}
if (cmdObj["to"].str() == rolesCollectionNamespace.ns()) {
*roleGraph = RoleGraph();
return Status(ErrorCodes::OplogOperationUnsupported,
"Renaming into admin.system.roles produces inconsistent state; "
"must resynchronize role graph.");
}
return Status::OK();
}
if (cmdName == "dropIndexes" || cmdName == "deleteIndexes") {
return Status::OK();
}
if ((cmdName == "collMod" || cmdName == "emptycapped" || cmdName == "createIndexes") &&
cmdObj.firstElement().str() != rolesCollectionNamespace.coll()) {
// We don't care about these if they're not on the roles collection.
return Status::OK();
}
if ((cmdName == "collMod") && (cmdObj.nFields() == 1)) {
// We also don't care about empty modifications even if they are on roles collection
return Status::OK();
}
// No other commands expected. Warn.
return Status(ErrorCodes::OplogOperationUnsupported, "Unsupported oplog operation");
}
Status AuthzManagerExternalStateMongod::_initializeRoleGraph() {
boost::lock_guard<boost::mutex> lkInitialzeRoleGraph(_roleGraphMutex);
switch (_roleGraphState) {
case roleGraphStateInitial:
case roleGraphStateHasCycle:
break;
case roleGraphStateConsistent:
return Status(ErrorCodes::AlreadyInitialized,
"Role graph already initialized and consistent.");
default:
return Status(ErrorCodes::InternalError,
mongoutils::str::stream() << "Invalid role graph state " <<
_roleGraphState);
}
RoleGraph newRoleGraph;
Status status = query(
AuthorizationManager::rolesCollectionNamespace,
BSONObj(),
BSONObj(),
boost::bind(addRoleFromDocumentOrWarn, &newRoleGraph, _1));
if (!status.isOK())
return status;
status = newRoleGraph.recomputePrivilegeData();
RoleGraphState newState;
if (status == ErrorCodes::GraphContainsCycle) {
error() << "Inconsistent role graph during authorization manager intialization. Only "
"direct privileges available. " << status.reason();
newState = roleGraphStateHasCycle;
status = Status::OK();
}
else if (status.isOK()) {
newState = roleGraphStateConsistent;
}
else {
newState = roleGraphStateInitial;
newRoleGraph = RoleGraph();
}
if (status.isOK()) {
_roleGraph.swap(newRoleGraph);
_roleGraphState = newState;
}
return status;
}
void AuthzManagerExternalStateLocal::logOp(
const char* op,
const char* ns,
const BSONObj& o,
BSONObj* o2,
bool* b) {
if (ns == AuthorizationManager::rolesCollectionNamespace.ns() ||
ns == AuthorizationManager::adminCommandNamespace.ns()) {
boost::lock_guard<boost::mutex> lk(_roleGraphMutex);
Status status = _roleGraph.handleLogOp(op, NamespaceString(ns), o, o2);
if (status == ErrorCodes::OplogOperationUnsupported) {
_roleGraph = RoleGraph();
_roleGraphState = roleGraphStateInitial;
BSONObjBuilder oplogEntryBuilder;
oplogEntryBuilder << "op" << op << "ns" << ns << "o" << o;
if (o2)
oplogEntryBuilder << "o2" << *o2;
if (b)
oplogEntryBuilder << "b" << *b;
error() << "Unsupported modification to roles collection in oplog; "
"restart this process to reenable user-defined roles; " << status.reason() <<
"; Oplog entry: " << oplogEntryBuilder.done();
}
else if (!status.isOK()) {
warning() << "Skipping bad update to roles collection in oplog. " << status <<
" Oplog entry: " << op;
}
status = _roleGraph.recomputePrivilegeData();
if (status == ErrorCodes::GraphContainsCycle) {
_roleGraphState = roleGraphStateHasCycle;
error() << "Inconsistent role graph during authorization manager initialization. "
"Only direct privileges available. " << status.reason() <<
" after applying oplog entry " << op;
}
else {
fassert(17183, status);
_roleGraphState = roleGraphStateConsistent;
}
}
}
void AuthzManagerExternalStateMongod::logOp(
const char* op,
const char* ns,
const BSONObj& o,
BSONObj* o2,
bool* b,
bool fromMigrateUnused,
const BSONObj* fullObjUnused) {
if (ns == AuthorizationManager::rolesCollectionNamespace.ns() ||
ns == AuthorizationManager::adminCommandNamespace.ns()) {
boost::lock_guard<boost::mutex> lk(_roleGraphMutex);
Status status = updateRoleGraphWithLogOpSignature(
&_roleGraph, op, NamespaceString(ns), o, o2);
if (status == ErrorCodes::OplogOperationUnsupported) {
_roleGraph = RoleGraph();
_roleGraphState = roleGraphStateInitial;
error() << "Unsupported modification to roles collection in oplog; "
"TODO how to remedy. " << status << " Oplog entry: " << op;
}
else if (!status.isOK()) {
warning() << "Skipping bad update to roles collection in oplog. " << status <<
" Oplog entry: " << op;
}
status = _roleGraph.recomputePrivilegeData();
if (status == ErrorCodes::GraphContainsCycle) {
_roleGraphState = roleGraphStateHasCycle;
error() << "Inconsistent role graph during authorization manager intialization. "
"Only direct privileges available. " << status.reason() <<
" after applying oplog entry " << op;
}
else if (!status.isOK()) {
_roleGraphState = roleGraphStateInitial;
error() << "Error updating role graph; only builtin roles available. "
"TODO how to remedy. " << status << " Oplog entry: " << op;
}
else {
_roleGraphState = roleGraphStateConsistent;
}
}
}
Status AuthzManagerExternalStateLocal::_initializeRoleGraph() {
boost::lock_guard<boost::mutex> lkInitialzeRoleGraph(_roleGraphMutex);
_roleGraphState = roleGraphStateInitial;
_roleGraph = RoleGraph();
RoleGraph newRoleGraph;
Status status = query(
AuthorizationManager::rolesCollectionNamespace,
BSONObj(),
BSONObj(),
boost::bind(addRoleFromDocumentOrWarn, &newRoleGraph, _1));
if (!status.isOK())
return status;
status = newRoleGraph.recomputePrivilegeData();
RoleGraphState newState;
if (status == ErrorCodes::GraphContainsCycle) {
error() << "Inconsistent role graph during authorization manager initialization. Only "
"direct privileges available. " << status.reason();
newState = roleGraphStateHasCycle;
status = Status::OK();
}
else if (status.isOK()) {
newState = roleGraphStateConsistent;
}
else {
newState = roleGraphStateInitial;
}
if (status.isOK()) {
_roleGraph.swap(newRoleGraph);
_roleGraphState = newState;
}
return status;
}
