From 87f52f3149e10e91c8590f65e1c2924034756102 Mon Sep 17 00:00:00 2001
From: Roman Shevchenko <roman.shevchenko@jetbrains.com>
Date: Tue, 21 Feb 2017 18:08:29 +0100
Subject: [PATCH] [platform] updater temp. directory sanity check (EA-96629)

---
 .../intellij/openapi/updateSettings/impl/UpdateInstaller.kt    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/platform/platform-impl/src/com/intellij/openapi/updateSettings/impl/UpdateInstaller.kt b/platform/platform-impl/src/com/intellij/openapi/updateSettings/impl/UpdateInstaller.kt
index f399b772d692..cc80bcee9311 100644
--- a/platform/platform-impl/src/com/intellij/openapi/updateSettings/impl/UpdateInstaller.kt
+++ b/platform/platform-impl/src/com/intellij/openapi/updateSettings/impl/UpdateInstaller.kt
@@ -111,6 +111,9 @@ object UpdateInstaller {
     val jnaUtils = findLib("jna-platform.jar")
 
     val tempDir = getTempDir()
+    if (FileUtil.isAncestor(PathManager.getHomePath(), tempDir.path, true)) {
+      throw IOException("Temp directory inside installation: $tempDir")
+    }
     if (!(tempDir.exists() || tempDir.mkdirs())) {
       throw IOException("Cannot create temp directory: $tempDir")
     }