2007-10-07 17:14:02 +05:30
|
|
|
/*
|
|
|
|
* Copyright 1989 - 1994, Julianne Frances Haugh
|
|
|
|
* 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 Julianne F. Haugh 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 JULIE HAUGH 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 JULIE HAUGH 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 <config.h>
|
|
|
|
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <time.h>
|
|
|
|
#include <errno.h>
|
|
|
|
#include "prototypes.h"
|
|
|
|
#include "defines.h"
|
|
|
|
#include <pwd.h>
|
|
|
|
#include <grp.h>
|
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
#if defined(SHADOWPWD)
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
#include "rcsid.h"
|
2007-10-07 17:14:59 +05:30
|
|
|
RCSID("$Id: age.c,v 1.7 2001/12/22 06:59:30 kloczek Exp $")
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
#ifndef PASSWD_PROGRAM
|
|
|
|
#define PASSWD_PROGRAM "/bin/passwd"
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/*
|
|
|
|
* expire - force password change if password expired
|
|
|
|
*
|
|
|
|
* expire() calls /bin/passwd to change the user's password
|
|
|
|
* if it has expired.
|
|
|
|
*/
|
|
|
|
|
|
|
|
int
|
|
|
|
expire(const struct passwd *pw, const struct spwd *sp)
|
|
|
|
{
|
|
|
|
int status;
|
|
|
|
int child;
|
|
|
|
int pid;
|
|
|
|
|
|
|
|
if (! sp)
|
|
|
|
sp = pwd_to_spwd (pw);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* See if the user's password has expired, and if so
|
|
|
|
* force them to change their password.
|
|
|
|
*/
|
|
|
|
|
|
|
|
switch (status = isexpired (pw, sp))
|
|
|
|
{
|
|
|
|
case 0:
|
|
|
|
return 0;
|
|
|
|
case 1:
|
|
|
|
printf(_("Your password has expired."));
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
printf(_("Your password is inactive."));
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
printf(_("Your login has expired."));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Setting the maximum valid period to less than the minimum
|
|
|
|
* valid period means that the minimum period will never
|
|
|
|
* occur while the password is valid, so the user can never
|
|
|
|
* change that password.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (status > 1 || sp->sp_max < sp->sp_min)
|
|
|
|
{
|
|
|
|
puts(_(" Contact the system administrator.\n"));
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
puts(_(" Choose a new password.\n"));
|
|
|
|
fflush (stdout);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Close all the files so that unauthorized access won't
|
|
|
|
* occur. This needs to be done anyway because those files
|
|
|
|
* might become stale after "passwd" is executed.
|
|
|
|
*/
|
|
|
|
|
|
|
|
endspent ();
|
|
|
|
endpwent ();
|
|
|
|
endsgent ();
|
|
|
|
endgrent ();
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Execute the /bin/passwd command. The exit status will be
|
|
|
|
* examined to see what the result is. If there are any
|
|
|
|
* errors the routine will exit. This forces the user to
|
|
|
|
* change their password before being able to use the account.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if ((pid = fork ()) == 0) {
|
|
|
|
int err;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set the UID to be that of the user. This causes
|
|
|
|
* passwd to work just like it would had they executed
|
|
|
|
* it from the command line while logged in.
|
|
|
|
*/
|
|
|
|
if (setup_uid_gid(pw, 0))
|
|
|
|
_exit(126);
|
|
|
|
|
|
|
|
execl(PASSWD_PROGRAM, PASSWD_PROGRAM, pw->pw_name, (char *)0);
|
|
|
|
err = errno;
|
|
|
|
perror("Can't execute " PASSWD_PROGRAM);
|
|
|
|
_exit((err == ENOENT) ? 127 : 126);
|
|
|
|
} else if (pid == -1) {
|
|
|
|
perror("fork");
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
while ((child = wait (&status)) != pid && child != -1)
|
|
|
|
;
|
|
|
|
|
|
|
|
if (child == pid && status == 0)
|
|
|
|
return 1;
|
|
|
|
|
|
|
|
exit (1);
|
|
|
|
/*NOTREACHED*/
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* agecheck - see if warning is needed for password expiration
|
|
|
|
*
|
|
|
|
* agecheck sees how many days until the user's password is going
|
|
|
|
* to expire and warns the user of the pending password expiration.
|
|
|
|
*/
|
|
|
|
|
|
|
|
void
|
|
|
|
agecheck(const struct passwd *pw, const struct spwd *sp)
|
|
|
|
{
|
|
|
|
long now = time ((long *) 0) / SCALE;
|
|
|
|
long remain;
|
|
|
|
|
|
|
|
if (! sp)
|
|
|
|
sp = pwd_to_spwd (pw);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The last, max, and warn fields must be supported or the
|
|
|
|
* warning period cannot be calculated.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (sp->sp_lstchg == -1 || sp->sp_max == -1 || sp->sp_warn == -1)
|
|
|
|
return;
|
|
|
|
if ((remain = (sp->sp_lstchg + sp->sp_max) - now) <= sp->sp_warn)
|
|
|
|
{
|
|
|
|
remain /= DAY/SCALE;
|
|
|
|
if (remain > 1)
|
|
|
|
printf(_("Your password will expire in %ld days.\n"), remain);
|
|
|
|
else if (remain == 1)
|
|
|
|
printf(_("Your password will expire tomorrow.\n"));
|
|
|
|
else if (remain == 0)
|
|
|
|
printf(_("Your password will expire today.\n"));
|
|
|
|
}
|
|
|
|
}
|
2007-10-07 17:14:59 +05:30
|
|
|
#endif /* SHADOWPWD */
|