From efd491c0e37502024538827c1ce455ea46f18a82 Mon Sep 17 00:00:00 2001
From: Evengard <evengard@trioptimum.ru>
Date: Tue, 14 Feb 2023 12:00:20 +0300
Subject: [PATCH] Another NullReferenceException quick fixup

---
 plugins/mono/mono_plugin.c |  4 ++--
 plugins/mono/uwsgi.cs      | 12 +++++++++++-
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/plugins/mono/mono_plugin.c b/plugins/mono/mono_plugin.c
index 3ddb1df5a..857f3ee6b 100644
--- a/plugins/mono/mono_plugin.c
+++ b/plugins/mono/mono_plugin.c
@@ -163,7 +163,7 @@ static MonoString *uwsgi_mono_method_GetUriPath(MonoObject *this) {
 	return uwsgi_mono_method_GetFilePathInt(this);
 }
 
-static MonoString *uwsgi_mono_method_MapPath(MonoObject *this, MonoString *virtualPath) {
+static MonoString *uwsgi_mono_method_MapPathInt(MonoObject *this, MonoString *virtualPath) {
 	struct wsgi_request *wsgi_req = uwsgi_mono_get_current_req(this);
 	struct uwsgi_app *app = &uwsgi_apps[wsgi_req->app_id];
 	char *path = uwsgi_concat3n(app->interpreter, strlen(app->interpreter), "/", 1, mono_string_to_utf8(virtualPath), mono_string_length(virtualPath));
@@ -321,7 +321,7 @@ static void uwsgi_mono_add_internal_calls() {
 	mono_add_internal_call("uwsgi.uWSGIRequest::SendUnknownResponseHeader", uwsgi_mono_method_SendUnknownResponseHeader);
 	mono_add_internal_call("uwsgi.uWSGIRequest::FlushResponse", uwsgi_mono_method_FlushResponse);
 	mono_add_internal_call("uwsgi.uWSGIRequest::GetQueryString", uwsgi_mono_method_GetQueryString);
-	mono_add_internal_call("uwsgi.uWSGIRequest::MapPath", uwsgi_mono_method_MapPath);
+	mono_add_internal_call("uwsgi.uWSGIRequest::MapPathInt", uwsgi_mono_method_MapPathInt);
 	mono_add_internal_call("uwsgi.uWSGIRequest::GetHttpVerbName", uwsgi_mono_method_GetHttpVerbName);
 	mono_add_internal_call("uwsgi.uWSGIRequest::GetRawUrl", uwsgi_mono_method_GetRawUrl);
 	mono_add_internal_call("uwsgi.uWSGIRequest::GetFilePathInt", uwsgi_mono_method_GetFilePathInt);
diff --git a/plugins/mono/uwsgi.cs b/plugins/mono/uwsgi.cs
index 924eddc87..2d10ed963 100644
--- a/plugins/mono/uwsgi.cs
+++ b/plugins/mono/uwsgi.cs
@@ -104,7 +104,17 @@ public override string GetFilePath()
 		extern private string GetFilePathInt();
 
 		[MethodImplAttribute(MethodImplOptions.InternalCall)]
-		extern public override string MapPath(string virtualPath);
+		extern private string MapPathInt(string virtualPath);
+		
+		public override string MapPath(string virtualPath)
+		{
+			string mpath = MapPathInt(virtualPath)
+			if (mpath == null)
+			{
+				return GetFilePath();
+			}
+			return mpath;
+		}
 
 		public override void EndOfRequest() {
 			_requestEndEvent.Set();