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
  27 #ifndef lint
  28 static const char rcsid[] =
  29         "$Id: pw_nis.c,v 1.4 1997/10/10 06:23:38 charnier Exp $";
  30 #endif /* not lint */
  31
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35 #include <sys/types.h>
  36
  37 #include "pw.h"
  38
  39 static int
  40 pw_nisupdate(const char * path, struct passwd * pwd, char const * user, int mode)
  41 {
  42         char            pfx[32];
  43         char            pwbuf[PWBUFSZ];
  44         int             l = sprintf(pfx, "%s:", user);
  45
  46         /*
  47          * Update the passwd file first
  48          */
  49         if (pwd == NULL)
  50                 *pwbuf = '\0';
  51         else
  52                 fmtpwentry(pwbuf, pwd, PWF_MASTER);
  53         return fileupdate(path, 0600, pwbuf, pfx, l, mode) != 0;
  54 }
  55
  56 int
  57 addnispwent(const char *path, struct passwd * pwd)
  58 {
  59         return pw_nisupdate(path, pwd, pwd->pw_name, UPD_CREATE);
  60 }
  61
  62 int
  63 chgnispwent(const char *path, char const * login, struct passwd * pwd)
  64 {
  65         return pw_nisupdate(path, pwd, login, UPD_REPLACE);
  66 }
  67
  68 int
  69 delnispwent(const char *path, const char *login)
  70 {
  71         return pw_nisupdate(path, NULL, login, UPD_DELETE);
  72 }