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pwd2spwd.c

/*
 * 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>

#ifdef SHADOWPWD

#include "rcsid.h"
RCSID("$Id: pwd2spwd.c 6 2005-03-20 15:34:28Z bubulle $")

#include <sys/types.h>
#include "prototypes.h"
#include "defines.h"
#include <pwd.h>

extern      time_t      time ();

/*
 * pwd_to_spwd - create entries for new spwd structure
 *
 *    pwd_to_spwd() creates a new (struct spwd) containing the
 *    information in the pointed-to (struct passwd).
 */

struct spwd *
pwd_to_spwd(const struct passwd *pw)
{
      static struct spwd sp;

      /*
       * Nice, easy parts first.  The name and passwd map directly
       * from the old password structure to the new one.
       */
      sp.sp_namp = pw->pw_name;
      sp.sp_pwdp = pw->pw_passwd;

#ifdef ATT_AGE
      /*
       * AT&T-style password aging maps the sp_min, sp_max, and
       * sp_lstchg information from the pw_age field, which appears
       * after the encrypted password.
       */
      if (pw->pw_age[0]) {
            sp.sp_max = (c64i(pw->pw_age[0]) * WEEK) / SCALE;

            if (pw->pw_age[1])
                  sp.sp_min = (c64i(pw->pw_age[1]) * WEEK) / SCALE;
            else
                  sp.sp_min = (10000L * DAY) / SCALE;

            if (pw->pw_age[1] && pw->pw_age[2])
                  sp.sp_lstchg = (a64l(pw->pw_age + 2) * WEEK) / SCALE;
            else
                  sp.sp_lstchg = time((time_t *) 0) / SCALE;
      } else
#endif
      {
            /*
             * Defaults used if there is no pw_age information.
             */
            sp.sp_min = 0;
            sp.sp_max = (10000L * DAY) / SCALE;
            sp.sp_lstchg = time((time_t *) 0) / SCALE;
      }

      /*
       * These fields have no corresponding information in the password
       * file.  They are set to uninitialized values.
       */
      sp.sp_warn = -1;
      sp.sp_expire = -1;
      sp.sp_inact = -1;
      sp.sp_flag = -1;

      return &sp;
}
#endif  /* SHADOWPWD */

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