fixing segfault when TMPDIR is non-existing

crashappsec · Nov 3, 2023 · 8c5799f · 8c5799f
1 parent 77cd56c
commit 8c5799f
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/util.nim b/src/util.nim
@@ -97,6 +97,12 @@ proc setupManagedTemp*() =
   if customTmpDirOpt.isSome() and not existsEnv("TMPDIR"):
     putenv("TMPDIR", customTmpDirOpt.get())
 
+  # temp folder needs to exist in order to successfully create
+  # tmp files otherwise nim's createTempFile throws segfault
+  # when TMPDIR does not exist
+  if existsEnv("TMPDIR"):
+    discard existsOrCreateDir(getEnv("TMPDIR"))
+
   if chalkConfig.getChalkDebug():
     info("Debug is on; temp files / dirs will be moved, not deleted.")
     setManagedTmpCopyLocation(resolvePath("chalk-tmp"))