1 /*-
2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
3 * Copyright (c) 2004-2017 Dag-Erling Smørgrav
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 * $OpenPAM: pam_get_item.c 938 2017-04-30 21:34:42Z des $
36 */
37
38 #ifdef HAVE_CONFIG_H
39 # include "config.h"
40 #endif
41
42 #include <sys/param.h>
43
44 #include <security/pam_appl.h>
45
46 #include "openpam_impl.h"
47
48 /*
49 * XSSO 4.2.1
50 * XSSO 6 page 46
51 *
52 * Get PAM information
53 */
54
55 int
pam_get_item(const pam_handle_t * pamh,int item_type,const void ** item)56 pam_get_item(const pam_handle_t *pamh,
57 int item_type,
58 const void **item)
59 {
60
61 ENTERI(item_type);
62 switch (item_type) {
63 case PAM_SERVICE:
64 case PAM_USER:
65 case PAM_AUTHTOK:
66 case PAM_OLDAUTHTOK:
67 case PAM_TTY:
68 case PAM_RHOST:
69 case PAM_RUSER:
70 case PAM_CONV:
71 case PAM_USER_PROMPT:
72 case PAM_REPOSITORY:
73 case PAM_AUTHTOK_PROMPT:
74 case PAM_OLDAUTHTOK_PROMPT:
75 case PAM_HOST:
76 *item = pamh->item[item_type];
77 RETURNC(PAM_SUCCESS);
78 default:
79 RETURNC(PAM_BAD_ITEM);
80 }
81 }
82
83 /*
84 * Error codes:
85 *
86 * PAM_BAD_ITEM
87 */
88
89 /**
90 * The =pam_get_item function stores a pointer to the item specified by
91 * the =item_type argument in the location pointed to by the =item
92 * argument.
93 * The item is retrieved from the PAM context specified by the =pamh
94 * argument.
95 * If =pam_get_item fails, the =item argument is untouched.
96 *
97 * The following item types are recognized:
98 *
99 * =PAM_SERVICE:
100 * The name of the requesting service.
101 * =PAM_USER:
102 * The name of the user the application is trying to
103 * authenticate.
104 * =PAM_TTY:
105 * The name of the current terminal.
106 * =PAM_RHOST:
107 * The name of the applicant's host.
108 * =PAM_CONV:
109 * A =struct pam_conv describing the current conversation
110 * function.
111 * =PAM_AUTHTOK:
112 * The current authentication token.
113 * =PAM_OLDAUTHTOK:
114 * The expired authentication token.
115 * =PAM_RUSER:
116 * The name of the applicant.
117 * =PAM_USER_PROMPT:
118 * The prompt to use when asking the applicant for a user
119 * name to authenticate as.
120 * =PAM_AUTHTOK_PROMPT:
121 * The prompt to use when asking the applicant for an
122 * authentication token.
123 * =PAM_OLDAUTHTOK_PROMPT:
124 * The prompt to use when asking the applicant for an
125 * expired authentication token prior to changing it.
126 * =PAM_HOST:
127 * The name of the host the application runs on.
128 *
129 * See =pam_start for a description of =struct pam_conv.
130 *
131 * >pam_set_item
132 */
133