usr/src/cmd/lp/lib/access/dumpaccess.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /*        All Rights Reserved   */
  29
  30
  31 #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.9   */
  32 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
  33
  34 #include "stdio.h"
  35 #include "errno.h"
  36 #include "stdlib.h"
  37
  38 #include "lp.h"
  39 #include "access.h"
  40
  41 #if     defined(__STDC__)
  42 static int              _dumpaccess ( char * , char ** );
  43 #else
  44 static int              _dumpaccess();
  45 #endif
  46
  47 /**
  48  ** dumpaccess() - DUMP ALLOW OR DENY LISTS
  49  **/
  50
  51 int
  52 dumpaccess(char *dir, char *name, char *prefix, char ***pallow, char ***pdeny)
  53 {
  54         register char           *allow_file     = 0,
  55                                 *deny_file      = 0;
  56
  57         int                     ret;
  58
  59         if (
  60                 !(allow_file = getaccessfile(dir, name, prefix, "allow"))
  61              || _dumpaccess(allow_file, *pallow) == -1 && errno != ENOENT
  62              || !(deny_file = getaccessfile(dir, name, prefix, "deny"))
  63              || _dumpaccess(deny_file, *pdeny) == -1 && errno != ENOENT
  64         )
  65                 ret = -1;
  66         else
  67                 ret = 0;
  68
  69         if (allow_file)
  70                 Free (allow_file);
  71         if (deny_file)
  72                 Free (deny_file);
  73
  74         return (ret);
  75 }
  76
  77 /**
  78  ** _dumpaccess() - DUMP ALLOW OR DENY FILE
  79  **/
  80
  81 static int
  82 _dumpaccess(char *file, char **list)
  83 {
  84         register char           **pl;
  85
  86         register int            ret;
  87
  88         int fd;
  89
  90         if (list) {
  91                 if ((fd = open_locked(file, "w", MODE_READ)) < 0)
  92                         return (-1);
  93                 errno = 0;
  94                 for (pl = list; *pl; pl++)
  95                         fdprintf (fd, "%s\n", *pl);
  96                 if (errno != 0)
  97                         ret = -1;
  98                 else
  99                         ret = 0;
 100                 close(fd);
 101         } else
 102                 ret = Unlink(file);
 103
 104         return (ret);
 105 }