blob: 8436eee5f85c327af248f97f78017abd95fa0f59 [file] [log] [blame]
Darren Tucker9df3def2004-02-10 13:01:14 +11001/*
2 * Copyright (c) 2004 Darren Tucker. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#include "includes.h"
Darren Tucker0d868292004-02-10 13:51:34 +110026RCSID("$Id: auth-shadow.c,v 1.2 2004/02/10 02:51:34 dtucker Exp $");
Darren Tucker9df3def2004-02-10 13:01:14 +110027
28#ifdef USE_SHADOW
29#include <shadow.h>
30
31#include "auth.h"
Darren Tucker9df3def2004-02-10 13:01:14 +110032#include "buffer.h"
33#include "log.h"
34
35#define DAY (24L * 60 * 60) /* 1 day in seconds */
36
37extern Buffer loginmsg;
38
39/*
40 * Checks password expiry for platforms that use shadow passwd files.
41 * Returns: 1 = password expired, 0 = password not expired
42 */
43int
44auth_shadow_pwexpired(Authctxt *ctxt)
45{
46 struct spwd *spw = NULL;
47 const char *user = ctxt->pw->pw_name;
48 time_t today;
49
50 if ((spw = getspnam(user)) == NULL) {
51 error("Could not get shadow information for %.100s", user);
52 return 0;
53 }
54
55 today = time(NULL) / DAY;
56 debug3("%s: today %d sp_lstchg %d sp_max %d", __func__, (int)today,
57 (int)spw->sp_lstchg, (int)spw->sp_max);
58
59#if defined(__hpux) && !defined(HAVE_SECUREWARE)
60 if (iscomsec() && spw->sp_min == 0 && spw->sp_max == 0 &&
61 spw->sp_warn == 0)
62 return 0; /* HP-UX Trusted Mode: expiry disabled */
63#endif
64
65 /* TODO: Add code to put expiry warnings into loginmsg */
66
67 if (spw->sp_lstchg == 0) {
68 logit("User %.100s password has expired (root forced)", user);
69 return 1;
70 }
71
72 if (spw->sp_max != -1 && today > spw->sp_lstchg + spw->sp_max) {
73 logit("User %.100s password has expired (password aged)", user);
74 return 1;
75 }
76
77 return 0;
78}
79#endif /* USE_SHADOW */