xref: /freebsd/lib/libpam/modules/pam_deny/pam_deny.c (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
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 #include <stddef.h>
31 
32 #define PAM_SM_AUTH
33 #define PAM_SM_ACCOUNT
34 #define PAM_SM_SESSION
35 #define PAM_SM_PASSWORD
36 
37 #include <security/pam_appl.h>
38 #include <security/pam_modules.h>
39 
40 PAM_EXTERN int
41 pam_sm_authenticate(pam_handle_t *pamh, int flags __unused,
42     int argc __unused, const char *argv[] __unused)
43 {
44 	const char *user;
45 	int r;
46 
47 	if ((r = pam_get_user(pamh, &user, NULL)) != PAM_SUCCESS)
48 		return (r);
49 
50 	return (PAM_AUTH_ERR);
51 }
52 
53 PAM_EXTERN int
54 pam_sm_setcred(pam_handle_t *pamh __unused, int flags __unused,
55     int argc __unused, const char *argv[] __unused)
56 {
57 
58 	return (PAM_CRED_ERR);
59 }
60 
61 PAM_EXTERN int
62 pam_sm_acct_mgmt(pam_handle_t *pamh __unused, int flags __unused,
63     int argc __unused, const char *argv[] __unused)
64 {
65 
66 	return (PAM_AUTH_ERR);
67 }
68 
69 PAM_EXTERN int
70 pam_sm_chauthtok(pam_handle_t *pamh __unused, int flags __unused,
71     int argc __unused, const char *argv[] __unused)
72 {
73 
74 	return (PAM_AUTHTOK_ERR);
75 }
76 
77 PAM_EXTERN int
78 pam_sm_open_session(pam_handle_t *pamh __unused, int flags __unused,
79     int argc __unused, const char *argv[] __unused)
80 {
81 
82 	return (PAM_SESSION_ERR);
83 }
84 
85 PAM_EXTERN int
86 pam_sm_close_session(pam_handle_t *pamh __unused, int flags __unused,
87     int argc __unused, const char *argv[] __unused)
88 {
89 
90 	return (PAM_SESSION_ERR);
91 }
92 
93 PAM_MODULE_ENTRY("pam_deny");
94