xref: /freebsd/lib/libpam/modules/pam_deny/pam_deny.c (revision d8a0fe102c0cfdfcd5b818f850eff09d8536c9bc)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright 2001 Mark R V Murray
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <stddef.h>
33 
34 #define PAM_SM_AUTH
35 #define PAM_SM_ACCOUNT
36 #define PAM_SM_SESSION
37 #define PAM_SM_PASSWORD
38 
39 #include <security/pam_appl.h>
40 #include <security/pam_modules.h>
41 
42 PAM_EXTERN int
43 pam_sm_authenticate(pam_handle_t *pamh, int flags __unused,
44     int argc __unused, const char *argv[] __unused)
45 {
46 	const char *user;
47 	int r;
48 
49 	if ((r = pam_get_user(pamh, &user, NULL)) != PAM_SUCCESS)
50 		return (r);
51 
52 	return (PAM_AUTH_ERR);
53 }
54 
55 PAM_EXTERN int
56 pam_sm_setcred(pam_handle_t *pamh __unused, int flags __unused,
57     int argc __unused, const char *argv[] __unused)
58 {
59 
60 	return (PAM_CRED_ERR);
61 }
62 
63 PAM_EXTERN int
64 pam_sm_acct_mgmt(pam_handle_t *pamh __unused, int flags __unused,
65     int argc __unused, const char *argv[] __unused)
66 {
67 
68 	return (PAM_AUTH_ERR);
69 }
70 
71 PAM_EXTERN int
72 pam_sm_chauthtok(pam_handle_t *pamh __unused, int flags __unused,
73     int argc __unused, const char *argv[] __unused)
74 {
75 
76 	return (PAM_AUTHTOK_ERR);
77 }
78 
79 PAM_EXTERN int
80 pam_sm_open_session(pam_handle_t *pamh __unused, int flags __unused,
81     int argc __unused, const char *argv[] __unused)
82 {
83 
84 	return (PAM_SESSION_ERR);
85 }
86 
87 PAM_EXTERN int
88 pam_sm_close_session(pam_handle_t *pamh __unused, int flags __unused,
89     int argc __unused, const char *argv[] __unused)
90 {
91 
92 	return (PAM_SESSION_ERR);
93 }
94 
95 PAM_MODULE_ENTRY("pam_deny");
96