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openpam_free_data.c revision 1.1.1.5 
      1 /*-
      2  * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
      3  * Copyright (c) 2004-2011 Dag-Erling Smrgrav
      4  * All rights reserved.
      5  *
      6  * This software was developed for the FreeBSD Project by ThinkSec AS and
      7  * Network Associates Laboratories, the Security Research Division of
      8  * Network Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
      9  * ("CBOSS"), as part of the DARPA CHATS research program.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. The name of the author may not be used to endorse or promote
     20  *    products derived from this software without specific prior written
     21  *    permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #ifdef HAVE_CONFIG_H
     37 # include "config.h"
     38 #endif
     39 
     40 #include <stdlib.h>
     41 #include <string.h>
     42 
     43 #include <security/pam_appl.h>
     44 
     45 #include "openpam_impl.h"
     46 
     47 /*
     48  * OpenPAM extension
     49  *
     50  * Generic cleanup function
     51  */
     52 
     53 void
     54 openpam_free_data(pam_handle_t *pamh,
     55 	void *data,
     56 	int status)
     57 {
     58 
     59 	ENTER();
     60 	(void)pamh;
     61 	(void)status;
     62 	FREE(data);
     63 	RETURNV();
     64 }
     65 
     66 /*
     67  * Error codes:
     68  */
     69 
     70 /**
     71  * The =openpam_free_data function is a cleanup function suitable for
     72  * passing to =pam_set_data.
     73  * It simply releases the data by passing its =data argument to =free.
     74  */
     75