* fhandler.cc (fhandler_base::fchmod): Do the right thing when changing an "on

disk" device or fifo.
(fhandler_base::fchown): Ditto for changing ownership.
* fhandler_disk_file.cc (fhandler_base::fstat_helper): Accommodate device files
on ntfs partitions.
* path.cc (path_conv::check): Use isfs function to figure out if a path exists
on a filesystem to make sure that device files are caught.

1 files changed, 5 insertions, 0 deletions

diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc
index 2507f322e..61f9cc01f 100644
--- a/winsup/cygwin/fhandler.cc
+++ b/winsup/cygwin/fhandler.cc
@@ -1520,6 +1520,9 @@ fhandler_base::closedir (DIR *)
 int
 fhandler_base::fchmod (mode_t mode)
 {
+  extern int chmod_device (path_conv& pc, mode_t mode);
+  if (pc.is_fs_special ())
+    return chmod_device (pc, mode);
   /* By default, just succeeds. */
   return 0;
 }
@@ -1527,6 +1530,8 @@ fhandler_base::fchmod (mode_t mode)
 int
 fhandler_base::fchown (__uid32_t uid, __gid32_t gid)
 {
+  if (pc.is_fs_special ())
+    return ((fhandler_disk_file *) this)->fhandler_disk_file::fchown (uid, gid);
   /* By default, just succeeds. */
   return 0;
 }