OpenCoverage

auth-shadow.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssh/src/auth-shadow.c
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1/*-
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"-
26-
27#if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE)-
28#include <shadow.h>-
29#include <stdarg.h>-
30#include <string.h>-
31#include <time.h>-
32-
33#include "hostfile.h"-
34#include "auth.h"-
35#include "sshbuf.h"-
36#include "ssherr.h"-
37#include "log.h"-
38-
39#ifdef DAY-
40# undef DAY-
41#endif-
42#define DAY (24L * 60 * 60) /* 1 day in seconds */-
43-
44extern struct sshbuf *loginmsg;-
45-
46/*-
47 * For the account and password expiration functions, we assume the expiry-
48 * occurs the day after the day specified.-
49 */-
50-
51/*-
52 * Check if specified account is expired. Returns 1 if account is expired,-
53 * 0 otherwise.-
54 */-
55int-
56auth_shadow_acctexpired(struct spwd *spw)-
57{-
58 time_t today;-
59 int daysleft;-
60 int r;-
61-
62 today = time(NULL) / DAY;-
63 daysleft = spw->sp_expire - today;-
64 debug3("%s: today %d sp_expire %d days left %d", __func__, (int)today,-
65 (int)spw->sp_expire, daysleft);-
66-
67 if (spw->sp_expire == -1) {
spw->sp_expire == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
68 debug3("account expiration disabled");-
69 } else if (daysleft < 0) {
never executed: end of block
daysleft < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
70 logit("Account %.100s has expired", spw->sp_namp);-
71 return 1;
never executed: return 1;
0
72 } else if (daysleft <= spw->sp_warn) {
daysleft <= spw->sp_warnDescription
TRUEnever evaluated
FALSEnever evaluated
0
73 debug3("account will expire in %d days", daysleft);-
74 if ((r = sshbuf_putf(loginmsg,
(r = sshbuf_pu..." : "s")) != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
75 "Your account will expire in %d day%s.\n", daysleft,
(r = sshbuf_pu..." : "s")) != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
76 daysleft == 1 ? "" : "s")) != 0)
(r = sshbuf_pu..." : "s")) != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
77 fatal("%s: buffer error: %s", __func__, ssh_err(r));
never executed: fatal("%s: buffer error: %s", __func__, ssh_err(r));
0
78 }
never executed: end of block
0
79-
80 return 0;
never executed: return 0;
0
81}-
82-
83/*-
84 * Checks password expiry for platforms that use shadow passwd files.-
85 * Returns: 1 = password expired, 0 = password not expired-
86 */-
87int-
88auth_shadow_pwexpired(Authctxt *ctxt)-
89{-
90 struct spwd *spw = NULL;-
91 const char *user = ctxt->pw->pw_name;-
92 time_t today;-
93 int r, daysleft, disabled = 0;-
94-
95 if ((spw = getspnam((char *)user)) == NULL) {
(spw = getspna...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
96 error("Could not get shadow information for %.100s", user);-
97 return 0;
never executed: return 0;
0
98 }-
99-
100 today = time(NULL) / DAY;-
101 debug3("%s: today %d sp_lstchg %d sp_max %d", __func__, (int)today,-
102 (int)spw->sp_lstchg, (int)spw->sp_max);-
103-
104#if defined(__hpux) && !defined(HAVE_SECUREWARE)-
105 if (iscomsec()) {-
106 struct pr_passwd *pr;-
107-
108 pr = getprpwnam((char *)user);-
109-
110 /* Test for Trusted Mode expiry disabled */-
111 if (pr != NULL && pr->ufld.fd_min == 0 &&-
112 pr->ufld.fd_lifetime == 0 && pr->ufld.fd_expire == 0 &&-
113 pr->ufld.fd_pw_expire_warning == 0 &&-
114 pr->ufld.fd_schange != 0)-
115 disabled = 1;-
116 }-
117#endif-
118-
119 /* TODO: check sp_inact */-
120 daysleft = spw->sp_lstchg + spw->sp_max - today;-
121 if (disabled) {
disabledDescription
TRUEnever evaluated
FALSEnever evaluated
0
122 debug3("password expiration disabled");-
123 } else if (spw->sp_lstchg == 0) {
never executed: end of block
spw->sp_lstchg == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
124 logit("User %.100s password has expired (root forced)", user);-
125 return 1;
never executed: return 1;
0
126 } else if (spw->sp_max == -1) {
spw->sp_max == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
127 debug3("password expiration disabled");-
128 } else if (daysleft < 0) {
never executed: end of block
daysleft < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
129 logit("User %.100s password has expired (password aged)", user);-
130 return 1;
never executed: return 1;
0
131 } else if (daysleft <= spw->sp_warn) {
daysleft <= spw->sp_warnDescription
TRUEnever evaluated
FALSEnever evaluated
0
132 debug3("password will expire in %d days", daysleft);-
133 if ((r = sshbuf_putf(loginmsg,
(r = sshbuf_pu..." : "s")) != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
134 "Your password will expire in %d day%s.\n", daysleft,
(r = sshbuf_pu..." : "s")) != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
135 daysleft == 1 ? "" : "s")) != 0)
(r = sshbuf_pu..." : "s")) != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
136 fatal("%s: buffer error: %s", __func__, ssh_err(r));
never executed: fatal("%s: buffer error: %s", __func__, ssh_err(r));
0
137 }
never executed: end of block
0
138-
139 return 0;
never executed: return 0;
0
140}-
141#endif /* USE_SHADOW && HAS_SHADOW_EXPIRE */-
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