blob: f6004f68f651e08403826688082c53a1a8bc4818 [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 Tuckera91f5ee2005-02-16 14:20:06 +110026RCSID("$Id: auth-shadow.c,v 1.6 2005/02/16 03:20:06 dtucker Exp $");
Darren Tucker9df3def2004-02-10 13:01:14 +110027
Darren Tuckercee6d4c2004-02-11 18:48:52 +110028#if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE)
Darren Tucker9df3def2004-02-10 13:01:14 +110029#include <shadow.h>
30
31#include "auth.h"
Darren Tucker9df3def2004-02-10 13:01:14 +110032#include "buffer.h"
33#include "log.h"
34
Darren Tuckera91f5ee2005-02-16 14:20:06 +110035#ifdef DAY
36# undef DAY
37#endif
Darren Tucker9df3def2004-02-10 13:01:14 +110038#define DAY (24L * 60 * 60) /* 1 day in seconds */
39
40extern Buffer loginmsg;
41
42/*
Darren Tucker15ee7482004-02-22 09:43:15 +110043 * For the account and password expiration functions, we assume the expiry
44 * occurs the day after the day specified.
45 */
46
47/*
48 * Check if specified account is expired. Returns 1 if account is expired,
49 * 0 otherwise.
50 */
51int
52auth_shadow_acctexpired(struct spwd *spw)
53{
54 time_t today;
Darren Tuckeraa0aeca2004-02-22 10:22:05 +110055 int daysleft;
56 char buf[256];
Darren Tucker15ee7482004-02-22 09:43:15 +110057
58 today = time(NULL) / DAY;
Darren Tuckeraa0aeca2004-02-22 10:22:05 +110059 daysleft = spw->sp_expire - today;
60 debug3("%s: today %d sp_expire %d days left %d", __func__, (int)today,
61 (int)spw->sp_expire, daysleft);
Darren Tucker15ee7482004-02-22 09:43:15 +110062
Darren Tuckeraa0aeca2004-02-22 10:22:05 +110063 if (spw->sp_expire == -1) {
64 debug3("account expiration disabled");
65 } else if (daysleft < 0) {
Darren Tucker15ee7482004-02-22 09:43:15 +110066 logit("Account %.100s has expired", spw->sp_namp);
67 return 1;
Darren Tuckeraa0aeca2004-02-22 10:22:05 +110068 } else if (daysleft <= spw->sp_warn) {
69 debug3("account will expire in %d days", daysleft);
70 snprintf(buf, sizeof(buf),
71 "Your account will expire in %d day%s.\n", daysleft,
72 daysleft == 1 ? "" : "s");
73 buffer_append(&loginmsg, buf, strlen(buf));
Darren Tucker15ee7482004-02-22 09:43:15 +110074 }
75
76 return 0;
77}
78
79/*
Darren Tucker9df3def2004-02-10 13:01:14 +110080 * Checks password expiry for platforms that use shadow passwd files.
81 * Returns: 1 = password expired, 0 = password not expired
82 */
83int
84auth_shadow_pwexpired(Authctxt *ctxt)
85{
86 struct spwd *spw = NULL;
87 const char *user = ctxt->pw->pw_name;
Darren Tuckeraa0aeca2004-02-22 10:22:05 +110088 char buf[256];
Darren Tucker9df3def2004-02-10 13:01:14 +110089 time_t today;
Darren Tuckeraa0aeca2004-02-22 10:22:05 +110090 int daysleft, disabled = 0;
Darren Tucker9df3def2004-02-10 13:01:14 +110091
Darren Tuckeraa0aeca2004-02-22 10:22:05 +110092 if ((spw = getspnam((char *)user)) == NULL) {
Darren Tucker9df3def2004-02-10 13:01:14 +110093 error("Could not get shadow information for %.100s", user);
94 return 0;
95 }
96
97 today = time(NULL) / DAY;
98 debug3("%s: today %d sp_lstchg %d sp_max %d", __func__, (int)today,
99 (int)spw->sp_lstchg, (int)spw->sp_max);
100
101#if defined(__hpux) && !defined(HAVE_SECUREWARE)
Darren Tuckeraa0aeca2004-02-22 10:22:05 +1100102 if (iscomsec()) {
103 struct pr_passwd *pr;
104
105 pr = getprpwnam((char *)user);
106
107 /* Test for Trusted Mode expiry disabled */
108 if (pr != NULL && pr->ufld.fd_min == 0 &&
109 pr->ufld.fd_lifetime == 0 && pr->ufld.fd_expire == 0 &&
110 pr->ufld.fd_pw_expire_warning == 0 &&
111 pr->ufld.fd_schange != 0)
112 disabled = 1;
113 }
Darren Tucker9df3def2004-02-10 13:01:14 +1100114#endif
115
Darren Tuckeraa0aeca2004-02-22 10:22:05 +1100116 /* TODO: check sp_inact */
117 daysleft = spw->sp_lstchg + spw->sp_max - today;
118 if (disabled) {
119 debug3("password expiration disabled");
120 } else if (spw->sp_lstchg == 0) {
Darren Tucker9df3def2004-02-10 13:01:14 +1100121 logit("User %.100s password has expired (root forced)", user);
122 return 1;
Darren Tuckeraa0aeca2004-02-22 10:22:05 +1100123 } else if (spw->sp_max == -1) {
124 debug3("password expiration disabled");
125 } else if (daysleft < 0) {
Darren Tucker9df3def2004-02-10 13:01:14 +1100126 logit("User %.100s password has expired (password aged)", user);
127 return 1;
Darren Tuckeraa0aeca2004-02-22 10:22:05 +1100128 } else if (daysleft <= spw->sp_warn) {
129 debug3("password will expire in %d days", daysleft);
130 snprintf(buf, sizeof(buf),
131 "Your password will expire in %d day%s.\n", daysleft,
132 daysleft == 1 ? "" : "s");
133 buffer_append(&loginmsg, buf, strlen(buf));
Darren Tucker9df3def2004-02-10 13:01:14 +1100134 }
135
136 return 0;
137}
Darren Tuckercee6d4c2004-02-11 18:48:52 +1100138#endif /* USE_SHADOW && HAS_SHADOW_EXPIRE */