From b14f00a4b25614323023eeada7a8bf645f0f8a9c Mon Sep 17 00:00:00 2001
From: evgeny <evgeny@adaptto.ru>
Date: Sat, 10 Oct 2026 23:57:03 +0200
Subject: [PATCH] Check Windows ChatGUI config writability directly

---
 tools/chatgui/src/main.cpp | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/tools/chatgui/src/main.cpp b/tools/chatgui/src/main.cpp
index f15caf66..f4fb3460 100644
--- a/tools/chatgui/src/main.cpp
+++ b/tools/chatgui/src/main.cpp
@@ -15,7 +15,6 @@
 #include <cstdio>
 #ifdef _WIN32
 #include <QStandardPaths>
-#include <QTemporaryFile>
 #include <windows.h>
 #include <tlhelp32.h>
 #endif
@@ -90,17 +89,13 @@ int main(int argc, char *argv[]) {
     QString cfgDir = QCoreApplication::applicationDirPath();
 #ifdef _WIN32
     QString storageReason;
-    if (!QFile::exists(cfgDir + "/vibechat.cfg") && !QFile::exists(cfgDir + "/chatgui.cfg")) {
-        storageReason = QStringLiteral("config missing in executable directory");
-    } else {
-        /* Реальная проверка записи учитывает ACL Windows, а не только атрибуты каталога. */
-        QTemporaryFile probe(cfgDir + "/.vibechat-write-XXXXXX");
-        if (!probe.open()) {
-            storageReason = QStringLiteral("executable directory is not writable: %1").arg(probe.errorString());
-        } else if (!probe.remove()) {
-            DEBUG_ERROR(DEBUG_CATEGORY_CONFIG, "Cannot remove write probe %s: %s",
-                        qPrintable(probe.fileName()), qPrintable(probe.errorString()));
-            return 1;
+    {
+        /* Проверяем существующий конфиг без создания, обрезки или изменения содержимого. */
+        QFile configFile(cfgDir + "/vibechat.cfg");
+        if (!configFile.exists()) {
+            storageReason = QStringLiteral("config missing in executable directory");
+        } else if (!configFile.open(QIODevice::ReadWrite | QIODevice::ExistingOnly)) {
+            storageReason = QStringLiteral("config is not writable: %1").arg(configFile.errorString());
         }
     }
     if (!storageReason.isEmpty()) {
@@ -111,7 +106,7 @@ int main(int argc, char *argv[]) {
             return 1;
         }
     } else {
-        storageReason = QStringLiteral("config found in writable executable directory");
+        storageReason = QStringLiteral("writable config found in executable directory");
     }
 #endif