* fhandler_disk_file.cc (fhandler_base::open_fs): Don't allow

opening directories for writing.
2005-01-06 17:43:55 +00:00
parent e66b2c9522
commit 375c7faa4c
2 changed files with 13 additions and 0 deletions
--- a/winsup/cygwin/fhandler_disk_file.cc
+++ b/winsup/cygwin/fhandler_disk_file.cc
@ -568,6 +568,14 @@ fhandler_base::open_fs (int flags, mode_t mode)
      return 0;
    }

+  /* Unfortunately NT allows to open directories for writing, but that's
+     disallowed according to SUSv3. */
+  if (pc.isdir () && (flags & (O_WRONLY | O_RDWR)))
+    {
+      set_errno (EISDIR);
+      return 0;
+    }
+
  int res = fhandler_base::open (flags | O_DIROPEN, mode);
  if (!res)
    goto out;