1/*-
2 * Copyright (c) 2001 Mark R V Murray
3 * All rights reserved.
4 * Copyright (c) 2001 Networks Associates Technologies, 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>
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38__FBSDID("$FreeBSD: head/lib/libpam/modules/pam_login_access/pam_login_access.c 89744 2002-01-24 16:16:01Z des $");
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| 38__FBSDID("$FreeBSD: head/lib/libpam/modules/pam_login_access/pam_login_access.c 89760 2002-01-24 18:37:17Z markm $"); |
39
40#define _BSD_SOURCE
41
42#include <sys/param.h>
43
44#include <syslog.h>
45#include <unistd.h>
46
47#define PAM_SM_AUTH
48#define PAM_SM_ACCOUNT
49#define PAM_SM_SESSION
50#define PAM_SM_PASSWORD
51
52#include <security/pam_modules.h>
53#include <pam_mod_misc.h>
54
55extern int login_access(const char *, const char *);
56
57PAM_EXTERN int
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58pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc, const char **argv)
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| 58pam_sm_authenticate(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) |
59{
60 struct options options;
61
62 pam_std_option(&options, NULL, argc, argv);
63
64 PAM_LOG("Options processed");
65
66 PAM_RETURN(PAM_IGNORE);
67}
68
69PAM_EXTERN int
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70pam_sm_setcred(pam_handle_t *pamh, int flags, int argc, const char **argv)
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| 70pam_sm_setcred(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) |
71{
72 struct options options;
73
74 pam_std_option(&options, NULL, argc, argv);
75
76 PAM_LOG("Options processed");
77
78 PAM_RETURN(PAM_IGNORE);
79}
80
81PAM_EXTERN int
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82pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, int argc ,const char **argv)
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| 82pam_sm_acct_mgmt(pam_handle_t *pamh, int flags __unused, int argc ,const char **argv) |
83{
84 struct options options;
85 const char *rhost, *tty, *user;
86 char hostname[MAXHOSTNAMELEN];
87 int pam_err;
88
89 pam_std_option(&options, NULL, argc, argv);
90
91 PAM_LOG("Options processed");
92
93 pam_err = pam_get_item(pamh, PAM_USER, (const void **)&user);
94 if (pam_err != PAM_SUCCESS)
95 PAM_RETURN(pam_err);
96
97 if (user == NULL)
98 PAM_RETURN(PAM_SERVICE_ERR);
99
100 PAM_LOG("Got user: %s", user);
101
102 pam_err = pam_get_item(pamh, PAM_RHOST, (const void **)&rhost);
103 if (pam_err != PAM_SUCCESS)
104 PAM_RETURN(pam_err);
105
106 pam_err = pam_get_item(pamh, PAM_TTY, (const void **)&tty);
107 if (pam_err != PAM_SUCCESS)
108 PAM_RETURN(pam_err);
109
110 gethostname(hostname, sizeof hostname);
111
112 if (rhost == NULL) {
113 PAM_LOG("Checking login.access for user %s on tty %s",
114 user, tty);
115 if (login_access(user, tty) != 0)
116 PAM_RETURN(PAM_SUCCESS);
117 PAM_VERBOSE_ERROR("%s is not allowed to log in on %s",
118 user, tty);
119 } else {
120 PAM_LOG("Checking login.access for user %s from host %s",
121 user, rhost);
122 if (login_access(user, rhost) != 0)
123 PAM_RETURN(PAM_SUCCESS);
124 PAM_VERBOSE_ERROR("%s is not allowed to log in from %s",
125 user, rhost);
126 }
127
128 PAM_RETURN(PAM_AUTH_ERR);
129}
130
131PAM_EXTERN int
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132pam_sm_chauthtok(pam_handle_t *pamh, int flags, int argc, const char **argv)
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| 132pam_sm_chauthtok(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) |
133{
134 struct options options;
135
136 pam_std_option(&options, NULL, argc, argv);
137
138 PAM_LOG("Options processed");
139
140 PAM_RETURN(PAM_IGNORE);
141}
142
143PAM_EXTERN int
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144pam_sm_open_session(pam_handle_t *pamh, int flags, int argc, const char **argv)
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| 144pam_sm_open_session(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) |
145{
146 struct options options;
147
148 pam_std_option(&options, NULL, argc, argv);
149
150 PAM_LOG("Options processed");
151
152 PAM_RETURN(PAM_IGNORE);
153}
154
155PAM_EXTERN int
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156pam_sm_close_session(pam_handle_t *pamh, int flags, int argc, const char **argv)
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| 156pam_sm_close_session(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) |
157{
158 struct options options;
159
160 pam_std_option(&options, NULL, argc, argv);
161
162 PAM_LOG("Options processed");
163
164 PAM_RETURN(PAM_IGNORE);
165}
166
167PAM_MODULE_ENTRY("pam_login_access");
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