Don't unlink the target if the source and target are the same file. Instead,
[dragonfly.git] / lib / pam_module / pam_deny / pam_deny.c
blobd881ec542d4ba6d3499fe124f874a319f7b1d715
1 /*-
2 * Copyright 2001 Mark R V Murray
3 * All rights reserved.
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.
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.
26 * $FreeBSD: src/lib/libpam/modules/pam_deny/pam_deny.c,v 1.10 2005/06/10 06:16:13 des Exp $
27 * $DragonFly: src/lib/pam_module/pam_deny/pam_deny.c,v 1.1 2005/08/01 16:15:19 joerg Exp $
30 #include <stddef.h>
32 #define PAM_SM_AUTH
33 #define PAM_SM_ACCOUNT
34 #define PAM_SM_SESSION
35 #define PAM_SM_PASSWORD
37 #include <security/pam_appl.h>
38 #include <security/pam_modules.h>
40 PAM_EXTERN int
41 pam_sm_authenticate(pam_handle_t *pamh, int flags __unused,
42 int argc __unused, const char *argv[] __unused)
44 const char *user;
45 int r;
47 if ((r = pam_get_user(pamh, &user, NULL)) != PAM_SUCCESS)
48 return (r);
50 return (PAM_AUTH_ERR);
53 PAM_EXTERN int
54 pam_sm_setcred(pam_handle_t *pamh __unused, int flags __unused,
55 int argc __unused, const char *argv[] __unused)
58 return (PAM_CRED_ERR);
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)
66 return (PAM_AUTH_ERR);
69 PAM_EXTERN int
70 pam_sm_chauthtok(pam_handle_t *pamh __unused, int flags __unused,
71 int argc __unused, const char *argv[] __unused)
74 return (PAM_AUTHTOK_ERR);
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)
82 return (PAM_SESSION_ERR);
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)
90 return (PAM_SESSION_ERR);
93 PAM_MODULE_ENTRY("pam_deny");