96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
|
/*
|
|||
|
|
* Copyright (c) 1997, 1998, 1999 Kungliga Tekniska H<EFBFBD>gskolan
|
|||
|
|
* (Royal Institute of Technology, Stockholm, Sweden).
|
|||
|
|
* 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.
|
|||
|
|
*
|
|||
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|||
|
|
* may be used to endorse or promote products derived from this software
|
|||
|
|
* without specific prior written permission.
|
|||
|
|
*
|
|||
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 "login_locl.h"
|
|||
|
|
|
|||
|
|
RCSID("$Id: shadow.c,v 1.5 1999/12/02 17:04:56 joda Exp $");
|
|||
|
|
|
|||
|
|
#ifdef HAVE_SHADOW_H
|
|||
|
|
|
|||
|
|
#ifndef _PATH_CHPASS
|
|||
|
|
#define _PATH_CHPASS "/usr/bin/passwd"
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
static int
|
|||
|
|
change_passwd(const struct passwd *who)
|
|||
|
|
{
|
|||
|
|
int status;
|
|||
|
|
pid_t pid;
|
|||
|
|
|
|||
|
|
switch (pid = fork()) {
|
|||
|
|
case -1:
|
|||
|
|
printf("fork /bin/passwd");
|
|||
|
|
exit(1);
|
|||
|
|
case 0:
|
|||
|
|
execlp(_PATH_CHPASS, "passwd", who->pw_name, (char *) 0);
|
|||
|
|
exit(1);
|
|||
|
|
default:
|
|||
|
|
waitpid(pid, &status, 0);
|
|||
|
|
return (status);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void
|
|||
|
|
check_shadow(const struct passwd *pw, const struct spwd *sp)
|
|||
|
|
{
|
|||
|
|
long today;
|
|||
|
|
|
|||
|
|
today = time(0)/(24L * 60 * 60);
|
|||
|
|
|
|||
|
|
if (sp == NULL)
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
if (sp->sp_expire > 0) {
|
|||
|
|
if (today >= sp->sp_expire) {
|
|||
|
|
printf("Your account has expired.\n");
|
|||
|
|
sleep(1);
|
|||
|
|
exit(0);
|
|||
|
|
} else if (sp->sp_expire - today < 14) {
|
|||
|
|
printf("Your account will expire in %d days.\n",
|
|||
|
|
(int)(sp->sp_expire - today));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (sp->sp_max > 0) {
|
|||
|
|
if (today >= (sp->sp_lstchg + sp->sp_max)) {
|
|||
|
|
printf("Your password has expired. Choose a new one.\n");
|
|||
|
|
change_passwd(pw);
|
|||
|
|
} else if (sp->sp_warn > 0
|
|||
|
|
&& (today > (sp->sp_lstchg + sp->sp_max - sp->sp_warn))) {
|
|||
|
|
printf("Your password will expire in %d days.\n",
|
|||
|
|
(int)(sp->sp_lstchg + sp->sp_max - today));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
#endif /* HAVE_SHADOW_H */
|