pam_rootok.c revision 92297 
1/*-
2 * Copyright (c) 2001 Mark R V Murray
3 * All rights reserved.
4 * Copyright (c) 2001 Networks Associates Technology, Inc.
5 * All rights reserved.
6 *
7 * Portions of this software were developed for the FreeBSD Project by
8 * ThinkSec AS and NAI Labs, the Security Research Division of Network
9 * Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
10 * ("CBOSS"), as part of the DARPA CHATS research program.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 * 3. The name of the author may not be used to endorse or promote
21 *    products derived from this software without specific prior written
22 *    permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#include <sys/cdefs.h>
38__FBSDID("$FreeBSD: head/lib/libpam/modules/pam_rootok/pam_rootok.c 92297 2002-03-14 23:27:59Z des $");
39
40#define _BSD_SOURCE
41
42#include <unistd.h>
43#include <syslog.h>
44
45#define PAM_SM_AUTH
46#define PAM_SM_ACCOUNT
47#define PAM_SM_SESSION
48#define PAM_SM_PASSWORD
49
50#include <security/pam_appl.h>
51#include <security/pam_modules.h>
52#include <security/pam_mod_misc.h>
53
54PAM_EXTERN int
55pam_sm_authenticate(pam_handle_t *pamh, int flags __unused, int argc, const char **argv)
56{
57	struct options options;
58
59	pam_std_option(&options, NULL, argc, argv);
60
61	PAM_LOG("Options processed");
62
63	if (getuid() == 0)
64		PAM_RETURN(PAM_SUCCESS);
65
66	PAM_VERBOSE_ERROR("Refused; not superuser");
67	PAM_LOG("User is not superuser");
68
69	PAM_RETURN(PAM_AUTH_ERR);
70}
71
72PAM_EXTERN int
73pam_sm_setcred(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv)
74{
75	struct options options;
76
77	pam_std_option(&options, NULL, argc, argv);
78
79	PAM_LOG("Options processed");
80
81	PAM_RETURN(PAM_SUCCESS);
82}
83
84PAM_EXTERN int
85pam_sm_acct_mgmt(pam_handle_t *pamh __unused, int flags __unused, int argc ,const char **argv)
86{
87	struct options options;
88
89	pam_std_option(&options, NULL, argc, argv);
90
91	PAM_LOG("Options processed");
92
93	PAM_RETURN(PAM_IGNORE);
94}
95
96PAM_EXTERN int
97pam_sm_chauthtok(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv)
98{
99	struct options options;
100
101	pam_std_option(&options, NULL, argc, argv);
102
103	PAM_LOG("Options processed");
104
105	PAM_RETURN(PAM_IGNORE);
106}
107
108PAM_EXTERN int
109pam_sm_open_session(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv)
110{
111	struct options options;
112
113	pam_std_option(&options, NULL, argc, argv);
114
115	PAM_LOG("Options processed");
116
117	PAM_RETURN(PAM_IGNORE);
118}
119
120PAM_EXTERN int
121pam_sm_close_session(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv)
122{
123	struct options options;
124
125	pam_std_option(&options, NULL, argc, argv);
126
127	PAM_LOG("Options processed");
128
129	PAM_RETURN(PAM_IGNORE);
130}
131
132PAM_MODULE_ENTRY("pam_rootok");
133