pam_permit.c revision 89760 
1/*-
2 * Copyright 2001 Mark R V Murray
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/lib/libpam/modules/pam_permit/pam_permit.c 89760 2002-01-24 18:37:17Z markm $");
29
30#define	PAM_SM_AUTH
31#define	PAM_SM_ACCOUNT
32#define	PAM_SM_SESSION
33#define	PAM_SM_PASSWORD
34
35#include <security/pam_modules.h>
36#include <security/_pam_macros.h>
37#include "pam_mod_misc.h"
38
39#define NOBODY "nobody"
40
41PAM_EXTERN int
42pam_sm_authenticate(pam_handle_t *pamh, int flags __unused, int argc, const char **argv)
43{
44	struct options options;
45	int retval;
46	const char *user;
47
48	pam_std_option(&options, NULL, argc, argv);
49
50	PAM_LOG("Options processed");
51
52	/* We always need to know who the user is */
53	user = NULL;
54	retval = pam_get_user(pamh, &user, NULL);
55	if (retval != PAM_SUCCESS)
56		PAM_RETURN(retval);
57
58	PAM_LOG("Got user: %s", user);
59
60	if (user == NULL || *user == '\0')
61		pam_set_item(pamh, PAM_USER, (const void *)NOBODY);
62	user = NULL;
63
64	PAM_RETURN(PAM_SUCCESS);
65}
66
67PAM_EXTERN int
68pam_sm_setcred(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv)
69{
70	struct options options;
71
72	pam_std_option(&options, NULL, argc, argv);
73
74	PAM_LOG("Options processed");
75
76	PAM_RETURN(PAM_SUCCESS);
77}
78
79PAM_EXTERN int
80pam_sm_acct_mgmt(pam_handle_t *pamh __unused, int flags __unused, int argc ,const char **argv)
81{
82	struct options options;
83
84	pam_std_option(&options, NULL, argc, argv);
85
86	PAM_LOG("Options processed");
87
88	PAM_RETURN(PAM_SUCCESS);
89}
90
91PAM_EXTERN int
92pam_sm_chauthtok(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv)
93{
94	struct options options;
95
96	pam_std_option(&options, NULL, argc, argv);
97
98	PAM_LOG("Options processed");
99
100	PAM_RETURN(PAM_SUCCESS);
101}
102
103PAM_EXTERN int
104pam_sm_open_session(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv)
105{
106	struct options options;
107
108	pam_std_option(&options, NULL, argc, argv);
109
110	PAM_LOG("Options processed");
111
112	PAM_RETURN(PAM_SUCCESS);
113}
114
115PAM_EXTERN int
116pam_sm_close_session(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv)
117{
118	struct options options;
119
120	pam_std_option(&options, NULL, argc, argv);
121
122	PAM_LOG("Options processed");
123
124	PAM_RETURN(PAM_SUCCESS);
125}
126
127PAM_MODULE_ENTRY("pam_permit");
128