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openpam_free_data.c revision 1.3 
      1 /*	$NetBSD: openpam_free_data.c,v 1.3 2017/05/06 19:50:09 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
      5  * Copyright (c) 2004-2011 Dag-Erling Smrgrav
      6  * All rights reserved.
      7  *
      8  * This software was developed for the FreeBSD Project by ThinkSec AS and
      9  * Network Associates Laboratories, the Security Research Division of
     10  * Network Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
     11  * ("CBOSS"), as part of the DARPA CHATS research program.
     12  *
     13  * Redistribution and use in source and binary forms, with or without
     14  * modification, are permitted provided that the following conditions
     15  * are met:
     16  * 1. Redistributions of source code must retain the above copyright
     17  *    notice, this list of conditions and the following disclaimer.
     18  * 2. Redistributions in binary form must reproduce the above copyright
     19  *    notice, this list of conditions and the following disclaimer in the
     20  *    documentation and/or other materials provided with the distribution.
     21  * 3. The name of the author may not be used to endorse or promote
     22  *    products derived from this software without specific prior written
     23  *    permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  * SUCH DAMAGE.
     36  *
     37  * $OpenPAM: openpam_free_data.c 938 2017-04-30 21:34:42Z des $
     38  */
     39 
     40 #ifdef HAVE_CONFIG_H
     41 # include "config.h"
     42 #endif
     43 
     44 #include <sys/cdefs.h>
     45 __RCSID("$NetBSD: openpam_free_data.c,v 1.3 2017/05/06 19:50:09 christos Exp $");
     46 
     47 #include <stdlib.h>
     48 #include <string.h>
     49 
     50 #include <security/pam_appl.h>
     51 
     52 #include "openpam_impl.h"
     53 
     54 /*
     55  * OpenPAM extension
     56  *
     57  * Generic cleanup function
     58  */
     59 
     60 void
     61 openpam_free_data(pam_handle_t *pamh,
     62 	void *data,
     63 	int status)
     64 {
     65 
     66 	ENTER();
     67 	/*LINTED unused*/
     68 	(void)pamh;
     69 	/*LINTED unused*/
     70 	(void)status;
     71 	FREE(data);
     72 	RETURNV();
     73 }
     74 
     75 /*
     76  * Error codes:
     77  */
     78 
     79 /**
     80  * The =openpam_free_data function is a cleanup function suitable for
     81  * passing to =pam_set_data.
     82  * It simply releases the data by passing its =data argument to =free.
     83  */
     84