diff options
Diffstat (limited to 'winsup/cygwin/fhandler_tty.cc')
| -rw-r--r-- | winsup/cygwin/fhandler_tty.cc | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc index 9d928bd64..eea635f89 100644 --- a/winsup/cygwin/fhandler_tty.cc +++ b/winsup/cygwin/fhandler_tty.cc @@ -1102,17 +1102,18 @@ fhandler_pty_slave::fstat (struct stat *st) /* Helper function for fchmod and fchown, which just opens all handles and signals success via bool return. */ bool -fhandler_pty_slave::fch_open_handles () +fhandler_pty_slave::fch_open_handles (bool chown) { char buf[MAX_PATH]; + DWORD write_access = WRITE_DAC | (chown ? WRITE_OWNER : 0); _tc = cygwin_shared->tty[get_minor ()]; shared_name (buf, INPUT_AVAILABLE_EVENT, get_minor ()); - input_available_event = OpenEvent (READ_CONTROL | WRITE_DAC | WRITE_OWNER, + input_available_event = OpenEvent (READ_CONTROL | write_access, TRUE, buf); - output_mutex = get_ttyp ()->open_output_mutex (WRITE_DAC | WRITE_OWNER); - input_mutex = get_ttyp ()->open_input_mutex (WRITE_DAC | WRITE_OWNER); - inuse = get_ttyp ()->open_inuse (WRITE_DAC | WRITE_OWNER); + output_mutex = get_ttyp ()->open_output_mutex (write_access); + input_mutex = get_ttyp ()->open_input_mutex (write_access); + inuse = get_ttyp ()->open_inuse (write_access); if (!input_available_event || !output_mutex || !input_mutex || !inuse) { __seterrno (); @@ -1166,7 +1167,7 @@ fhandler_pty_slave::fchmod (mode_t mode) if (!input_available_event) { to_close = true; - if (!fch_open_handles ()) + if (!fch_open_handles (false)) goto errout; } sd.malloc (sizeof (SECURITY_DESCRIPTOR)); @@ -1195,7 +1196,7 @@ fhandler_pty_slave::fchown (uid_t uid, gid_t gid) if (!input_available_event) { to_close = true; - if (!fch_open_handles ()) + if (!fch_open_handles (true)) goto errout; } sd.malloc (sizeof (SECURITY_DESCRIPTOR)); |