1*10b5fe87SSascha Wildner /*-
2*10b5fe87SSascha Wildner * Copyright (c) 2005-2011 Dag-Erling Smørgrav
3*10b5fe87SSascha Wildner * All rights reserved.
4*10b5fe87SSascha Wildner *
5*10b5fe87SSascha Wildner * Redistribution and use in source and binary forms, with or without
6*10b5fe87SSascha Wildner * modification, are permitted provided that the following conditions
7*10b5fe87SSascha Wildner * are met:
8*10b5fe87SSascha Wildner * 1. Redistributions of source code must retain the above copyright
9*10b5fe87SSascha Wildner * notice, this list of conditions and the following disclaimer.
10*10b5fe87SSascha Wildner * 2. Redistributions in binary form must reproduce the above copyright
11*10b5fe87SSascha Wildner * notice, this list of conditions and the following disclaimer in the
12*10b5fe87SSascha Wildner * documentation and/or other materials provided with the distribution.
13*10b5fe87SSascha Wildner * 3. The name of the author may not be used to endorse or promote products
14*10b5fe87SSascha Wildner * derived from this software without specific prior written permission.
15*10b5fe87SSascha Wildner *
16*10b5fe87SSascha Wildner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17*10b5fe87SSascha Wildner * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18*10b5fe87SSascha Wildner * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19*10b5fe87SSascha Wildner * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20*10b5fe87SSascha Wildner * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21*10b5fe87SSascha Wildner * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22*10b5fe87SSascha Wildner * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23*10b5fe87SSascha Wildner * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24*10b5fe87SSascha Wildner * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25*10b5fe87SSascha Wildner * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*10b5fe87SSascha Wildner *
27*10b5fe87SSascha Wildner * $OpenPAM: openpam_free_envlist.c 938 2017-04-30 21:34:42Z des $
28*10b5fe87SSascha Wildner */
29*10b5fe87SSascha Wildner
30*10b5fe87SSascha Wildner #ifdef HAVE_CONFIG_H
31*10b5fe87SSascha Wildner # include "config.h"
32*10b5fe87SSascha Wildner #endif
33*10b5fe87SSascha Wildner
34*10b5fe87SSascha Wildner #include <stdlib.h>
35*10b5fe87SSascha Wildner
36*10b5fe87SSascha Wildner #include <security/pam_appl.h>
37*10b5fe87SSascha Wildner
38*10b5fe87SSascha Wildner #include "openpam_impl.h"
39*10b5fe87SSascha Wildner
40*10b5fe87SSascha Wildner /*
41*10b5fe87SSascha Wildner * OpenPAM extension
42*10b5fe87SSascha Wildner *
43*10b5fe87SSascha Wildner * Free an environment list
44*10b5fe87SSascha Wildner */
45*10b5fe87SSascha Wildner
46*10b5fe87SSascha Wildner void
openpam_free_envlist(char ** envlist)47*10b5fe87SSascha Wildner openpam_free_envlist(char **envlist)
48*10b5fe87SSascha Wildner {
49*10b5fe87SSascha Wildner char **env;
50*10b5fe87SSascha Wildner
51*10b5fe87SSascha Wildner ENTER();
52*10b5fe87SSascha Wildner if (envlist == NULL)
53*10b5fe87SSascha Wildner RETURNV();
54*10b5fe87SSascha Wildner for (env = envlist; *env != NULL; ++env)
55*10b5fe87SSascha Wildner FREE(*env);
56*10b5fe87SSascha Wildner FREE(envlist);
57*10b5fe87SSascha Wildner RETURNV();
58*10b5fe87SSascha Wildner }
59*10b5fe87SSascha Wildner
60*10b5fe87SSascha Wildner /*
61*10b5fe87SSascha Wildner * Error codes:
62*10b5fe87SSascha Wildner */
63*10b5fe87SSascha Wildner
64*10b5fe87SSascha Wildner /**
65*10b5fe87SSascha Wildner * The =openpam_free_envlist function is a convenience function which
66*10b5fe87SSascha Wildner * frees all the environment variables in an environment list, and the
67*10b5fe87SSascha Wildner * list itself.
68*10b5fe87SSascha Wildner * It is suitable for freeing the return value from =pam_getenvlist.
69*10b5fe87SSascha Wildner *
70*10b5fe87SSascha Wildner * AUTHOR DES
71*10b5fe87SSascha Wildner */
72