feat(kerberos): add getters to check for context completeness

Author: mbroadst

src/kerberos_client.cc

@@ -14,6 +14,7 @@ NAN_MODULE_INIT(KerberosClient::Init) {
   Nan::SetAccessor(itpl, Nan::New("username").ToLocalChecked(), KerberosClient::UserNameGetter);
   Nan::SetAccessor(itpl, Nan::New("response").ToLocalChecked(), KerberosClient::ResponseGetter);
   Nan::SetAccessor(itpl, Nan::New("responseConf").ToLocalChecked(), KerberosClient::ResponseConfGetter);
+  Nan::SetAccessor(itpl, Nan::New("contextComplete").ToLocalChecked(), KerberosClient::ContextCompleteGetter);
 
   constructor.Reset(Nan::GetFunction(tpl).ToLocalChecked());
   Nan::Set(target, Nan::New("KerberosClient").ToLocalChecked(), Nan::GetFunction(tpl).ToLocalChecked());
@@ -29,7 +30,8 @@ v8::Local<v8::Object> KerberosClient::NewInstance(gss_client_state* state) {
 }
 
 KerberosClient::KerberosClient(gss_client_state* state)
-  : _state(state)
+  : _state(state),
+    _contextComplete(false)
 {}
 
 KerberosClient::~KerberosClient() {
@@ -62,6 +64,11 @@ NAN_GETTER(KerberosClient::ResponseConfGetter) {
   info.GetReturnValue().Set(Nan::New(client->_state->responseConf));
 }
 
+NAN_GETTER(KerberosClient::ContextCompleteGetter) {
+  KerberosClient* client = Nan::ObjectWrap::Unwrap<KerberosClient>(info.This());
+  info.GetReturnValue().Set(Nan::New(client->_contextComplete));
+}
+
 class ClientStepWorker : public Nan::AsyncWorker {
  public:
   ClientStepWorker(KerberosClient* client, std::string challenge, Nan::Callback *callback)
@@ -77,6 +84,10 @@ class ClientStepWorker : public Nan::AsyncWorker {
       SetErrorMessage(result->message);
       return;
     }
+
+    if (result->code == AUTH_GSS_COMPLETE) {
+      _client->_contextComplete = true;
+    }
   }
 
  private:

src/kerberos_client.h

@@ -17,16 +17,19 @@ class KerberosClient : public Nan::ObjectWrap {
     static NAN_GETTER(UserNameGetter);
     static NAN_GETTER(ResponseGetter);
     static NAN_GETTER(ResponseConfGetter);
+    static NAN_GETTER(ContextCompleteGetter);
 
     static NAN_METHOD(Step);
     static NAN_METHOD(UnwrapData);
     static NAN_METHOD(WrapData);
 
  private:
+    friend class ClientStepWorker;
     explicit KerberosClient(gss_client_state* client_state);
     ~KerberosClient();
 
     gss_client_state* _state;
+    bool _contextComplete;
 };
 
 #endif

src/kerberos_server.cc

@@ -12,6 +12,7 @@ NAN_MODULE_INIT(KerberosServer::Init) {
   Nan::SetAccessor(itpl, Nan::New("username").ToLocalChecked(), KerberosServer::UserNameGetter);
   Nan::SetAccessor(itpl, Nan::New("response").ToLocalChecked(), KerberosServer::ResponseGetter);
   Nan::SetAccessor(itpl, Nan::New("targetName").ToLocalChecked(), KerberosServer::TargetNameGetter);
+  Nan::SetAccessor(itpl, Nan::New("contextComplete").ToLocalChecked(), KerberosServer::ContextCompleteGetter);
 
   constructor.Reset(Nan::GetFunction(tpl).ToLocalChecked());
   Nan::Set(target, Nan::New("KerberosServer").ToLocalChecked(), Nan::GetFunction(tpl).ToLocalChecked());
@@ -27,7 +28,8 @@ v8::Local<v8::Object> KerberosServer::NewInstance(gss_server_state* state) {
 }
 
 KerberosServer::KerberosServer(gss_server_state* state)
-  : _state(state)
+  : _state(state),
+    _contextComplete(false)
 {}
 
 KerberosServer::~KerberosServer() {
@@ -62,6 +64,11 @@ NAN_GETTER(KerberosServer::TargetNameGetter) {
     info.GetReturnValue().Set(Nan::New(server->_state->targetname).ToLocalChecked());
 }
 
+NAN_GETTER(KerberosServer::ContextCompleteGetter) {
+  KerberosServer* server = Nan::ObjectWrap::Unwrap<KerberosServer>(info.This());
+  info.GetReturnValue().Set(Nan::New(server->_contextComplete));
+}
+
 class ServerStepWorker : public Nan::AsyncWorker {
  public:
   ServerStepWorker(KerberosServer* server, std::string challenge, Nan::Callback *callback)
@@ -77,6 +84,10 @@ class ServerStepWorker : public Nan::AsyncWorker {
       SetErrorMessage(result->message);
       return;
     }
+
+    if (result->code == AUTH_GSS_COMPLETE) {
+      _server->_contextComplete = true;
+    }
   }
 
  private:

src/kerberos_server.h

@@ -17,14 +17,17 @@ class KerberosServer : public Nan::ObjectWrap {
     static NAN_GETTER(UserNameGetter);
     static NAN_GETTER(ResponseGetter);
     static NAN_GETTER(TargetNameGetter);
+    static NAN_GETTER(ContextCompleteGetter);
 
     static NAN_METHOD(Step);
 
  private:
+    friend class ServerStepWorker;
     explicit KerberosServer(gss_server_state* server_state);
     ~KerberosServer();
 
     gss_server_state* _state;
+    bool _contextComplete;
 };
 
 #endif