5110 want pam_timestamp module

*** 19,28 ****
--- 19,29 ----
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright 2012 Milan Jurik. All rights reserved.
+  * Copyright 2014 Nexenta Systems, Inc.
   */
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
  
  /*      Copyright (c) 1987, 1988 Microsoft Corporation  */
*** 281,290 ****
--- 282,294 ----
          if (pam_start(embedded ? EMBEDDED_NAME : "su", nptr,
              embedded ? &emb_pam_conv : &pam_conv, &pamh) != PAM_SUCCESS)
                  exit(1);
          if (pam_set_item(pamh, PAM_TTY, ttyn) != PAM_SUCCESS)
                  exit(1);
+         if (getpwuid_r(getuid(), &pwd, pwdbuf, sizeof (pwdbuf)) == NULL ||
+             pam_set_item(pamh, PAM_AUSER, pwd.pw_name) != PAM_SUCCESS)
+                 exit(1);
  #endif  /* DYNAMIC_SU */
  
          openlog("su", LOG_CONS, LOG_AUTH);
  
  #ifdef DYNAMIC_SU