usr.sbin/pw/pw_nis.c

   1 /*-
   2  * Copyright (C) 1996
   3  *      David L. Nugent.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/usr.sbin/pw/pw_nis.c,v 1.6 1999/08/28 01:19:20 peter Exp $
  27  * $DragonFly: src/usr.sbin/pw/pw_nis.c,v 1.2 2003/06/17 04:30:02 dillon Exp $
  28  */
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <sys/types.h>
  34
  35 #include "pw.h"
  36
  37 static int
  38 pw_nisupdate(const char * path, struct passwd * pwd, char const * user, int mode)
  39 {
  40         char            pfx[32];
  41         char            pwbuf[PWBUFSZ];
  42         int             l = sprintf(pfx, "%s:", user);
  43
  44         /*
  45          * Update the passwd file first
  46          */
  47         if (pwd == NULL)
  48                 *pwbuf = '\0';
  49         else
  50                 fmtpwentry(pwbuf, pwd, PWF_MASTER);
  51         return fileupdate(path, 0600, pwbuf, pfx, l, mode) != 0;
  52 }
  53
  54 int
  55 addnispwent(const char *path, struct passwd * pwd)
  56 {
  57         return pw_nisupdate(path, pwd, pwd->pw_name, UPD_CREATE);
  58 }
  59
  60 int
  61 chgnispwent(const char *path, char const * login, struct passwd * pwd)
  62 {
  63         return pw_nisupdate(path, pwd, login, UPD_REPLACE);
  64 }
  65
  66 int
  67 delnispwent(const char *path, const char *login)
  68 {
  69         return pw_nisupdate(path, NULL, login, UPD_DELETE);
  70 }