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pam_getenv.c (302408) pam_getenv.c (91094)
1/*-
1/*-
2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
3 * Copyright (c) 2004-2011 Dag-Erling Sm��rgrav
2 * Copyright (c) 2002 Networks Associates Technologies, Inc.
4 * All rights reserved.
5 *
6 * This software was developed for the FreeBSD Project by ThinkSec AS and
3 * All rights reserved.
4 *
5 * 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.
6 * NAI Labs, the Security Research Division of Network Associates, Inc.
7 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
8 * 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

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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 *
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the

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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
35 * $Id: pam_getenv.c 648 2013-03-05 17:54:27Z des $
34 * $Id$
36 */
37
35 */
36
38#ifdef HAVE_CONFIG_H
39# include "config.h"
40#endif
41
42#include <stdlib.h>
43#include <string.h>
44
45#include <security/pam_appl.h>
46
47#include "openpam_impl.h"
48
49/*
50 * XSSO 4.2.1
51 * XSSO 6 page 44
52 *
53 * Retrieve the value of a PAM environment variable
54 */
55
37#include <stdlib.h>
38#include <string.h>
39
40#include <security/pam_appl.h>
41
42#include "openpam_impl.h"
43
44/*
45 * XSSO 4.2.1
46 * XSSO 6 page 44
47 *
48 * Retrieve the value of a PAM environment variable
49 */
50
56const char *
51char *
57pam_getenv(pam_handle_t *pamh,
58 const char *name)
59{
52pam_getenv(pam_handle_t *pamh,
53 const char *name)
54{
60 char *str;
61 int i;
62
55 int i;
56
63 ENTERS(name);
64 if (pamh == NULL)
57 if (pamh == NULL)
65 RETURNS(NULL);
58 return (NULL);
59
60 /* sanity checks */
66 if (name == NULL || strchr(name, '=') != NULL)
61 if (name == NULL || strchr(name, '=') != NULL)
67 RETURNS(NULL);
68 if ((i = openpam_findenv(pamh, name, strlen(name))) < 0)
69 RETURNS(NULL);
70 for (str = pamh->env[i]; *str != '\0'; ++str) {
71 if (*str == '=') {
72 ++str;
73 break;
74 }
75 }
76 RETURNS(str);
77}
62 return (NULL);
78
63
79/**
80 * The =pam_getenv function returns the value of an environment variable.
81 * Its semantics are similar to those of =getenv, but it accesses the PAM
82 * context's environment list instead of the application's.
83 *
84 * >pam_getenvlist
85 * >pam_putenv
86 * >pam_setenv
87 */
64 if ((i = openpam_findenv(pamh, name, strlen(name))) == -1)
65 return (NULL);
66 return (strdup(pamh->env[i]));
67}