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/*
* Copyright (c) 2004 Darren Tucker. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "includes.h"
RCSID("$Id: auth-shadow.c,v 1.3 2004/02/11 07:48:52 dtucker Exp $");
#if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE)
#include <shadow.h>
#include "auth.h"
#include "buffer.h"
#include "log.h"
#define DAY (24L * 60 * 60) /* 1 day in seconds */
extern Buffer loginmsg;
/*
* Checks password expiry for platforms that use shadow passwd files.
* Returns: 1 = password expired, 0 = password not expired
*/
int
auth_shadow_pwexpired(Authctxt *ctxt)
{
struct spwd *spw = NULL;
const char *user = ctxt->pw->pw_name;
time_t today;
if ((spw = getspnam(user)) == NULL) {
error("Could not get shadow information for %.100s", user);
return 0;
}
today = time(NULL) / DAY;
debug3("%s: today %d sp_lstchg %d sp_max %d", __func__, (int)today,
(int)spw->sp_lstchg, (int)spw->sp_max);
#if defined(__hpux) && !defined(HAVE_SECUREWARE)
if (iscomsec() && spw->sp_min == 0 && spw->sp_max == 0 &&
spw->sp_warn == 0)
return 0; /* HP-UX Trusted Mode: expiry disabled */
#endif
/* TODO: Add code to put expiry warnings into loginmsg */
if (spw->sp_lstchg == 0) {
logit("User %.100s password has expired (root forced)", user);
return 1;
}
if (spw->sp_max != -1 && today > spw->sp_lstchg + spw->sp_max) {
logit("User %.100s password has expired (password aged)", user);
return 1;
}
return 0;
}
#endif /* USE_SHADOW && HAS_SHADOW_EXPIRE */
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