2004-02-26 10:38:49 +00:00
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/*
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* Copyright (c) 2004 Darren Tucker. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "includes.h"
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#if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE)
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#include <shadow.h>
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2006-09-30 13:29:51 +00:00
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#include <stdarg.h>
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#include <string.h>
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2004-02-26 10:38:49 +00:00
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2006-09-30 13:29:51 +00:00
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#include "key.h"
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#include "hostfile.h"
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2004-02-26 10:38:49 +00:00
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#include "auth.h"
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#include "buffer.h"
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#include "log.h"
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2005-06-05 15:40:50 +00:00
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#ifdef DAY
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# undef DAY
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#endif
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2004-02-26 10:38:49 +00:00
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#define DAY (24L * 60 * 60) /* 1 day in seconds */
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extern Buffer loginmsg;
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/*
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* For the account and password expiration functions, we assume the expiry
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* occurs the day after the day specified.
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*/
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/*
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* Check if specified account is expired. Returns 1 if account is expired,
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* 0 otherwise.
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*/
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int
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auth_shadow_acctexpired(struct spwd *spw)
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{
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time_t today;
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int daysleft;
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char buf[256];
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today = time(NULL) / DAY;
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daysleft = spw->sp_expire - today;
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debug3("%s: today %d sp_expire %d days left %d", __func__, (int)today,
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(int)spw->sp_expire, daysleft);
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if (spw->sp_expire == -1) {
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debug3("account expiration disabled");
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} else if (daysleft < 0) {
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logit("Account %.100s has expired", spw->sp_namp);
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return 1;
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} else if (daysleft <= spw->sp_warn) {
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debug3("account will expire in %d days", daysleft);
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snprintf(buf, sizeof(buf),
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"Your account will expire in %d day%s.\n", daysleft,
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daysleft == 1 ? "" : "s");
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buffer_append(&loginmsg, buf, strlen(buf));
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}
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return 0;
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}
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/*
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* Checks password expiry for platforms that use shadow passwd files.
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* Returns: 1 = password expired, 0 = password not expired
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*/
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int
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auth_shadow_pwexpired(Authctxt *ctxt)
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{
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struct spwd *spw = NULL;
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const char *user = ctxt->pw->pw_name;
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char buf[256];
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time_t today;
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int daysleft, disabled = 0;
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if ((spw = getspnam((char *)user)) == NULL) {
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error("Could not get shadow information for %.100s", user);
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return 0;
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}
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today = time(NULL) / DAY;
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debug3("%s: today %d sp_lstchg %d sp_max %d", __func__, (int)today,
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(int)spw->sp_lstchg, (int)spw->sp_max);
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#if defined(__hpux) && !defined(HAVE_SECUREWARE)
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if (iscomsec()) {
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struct pr_passwd *pr;
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2005-09-03 06:59:33 +00:00
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2004-02-26 10:38:49 +00:00
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pr = getprpwnam((char *)user);
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/* Test for Trusted Mode expiry disabled */
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if (pr != NULL && pr->ufld.fd_min == 0 &&
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pr->ufld.fd_lifetime == 0 && pr->ufld.fd_expire == 0 &&
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pr->ufld.fd_pw_expire_warning == 0 &&
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pr->ufld.fd_schange != 0)
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disabled = 1;
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}
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#endif
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/* TODO: check sp_inact */
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daysleft = spw->sp_lstchg + spw->sp_max - today;
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if (disabled) {
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debug3("password expiration disabled");
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} else if (spw->sp_lstchg == 0) {
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logit("User %.100s password has expired (root forced)", user);
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return 1;
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} else if (spw->sp_max == -1) {
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debug3("password expiration disabled");
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} else if (daysleft < 0) {
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logit("User %.100s password has expired (password aged)", user);
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return 1;
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} else if (daysleft <= spw->sp_warn) {
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debug3("password will expire in %d days", daysleft);
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snprintf(buf, sizeof(buf),
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"Your password will expire in %d day%s.\n", daysleft,
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daysleft == 1 ? "" : "s");
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buffer_append(&loginmsg, buf, strlen(buf));
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}
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return 0;
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}
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#endif /* USE_SHADOW && HAS_SHADOW_EXPIRE */
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