lib/libposix1e/acl_set.c

   1 /*-
   2  * Copyright (c) 1999 Robert N. M. Watson
   3  * 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 THE AUTHOR 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 THE AUTHOR 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/lib/libposix1e/acl_set.c,v 1.3 2000/01/26 04:19:37 rwatson Exp $
  27  *$DragonFly: src/lib/libposix1e/acl_set.c,v 1.3 2005/08/04 17:27:09 drhodus Exp $
  28  */
  29 /*
  30  * acl_set_file -- set a file/directory ACL by name
  31  */
  32
  33 #include <sys/types.h>
  34 #include <sys/acl.h>
  35 #include <errno.h>
  36
  37 #include "acl_support.h"
  38
  39 /*
  40  * For POSIX.1e-semantic ACLs, do a presort so the kernel doesn't have to
  41  * (the POSIX.1e semantic code will reject unsorted ACL submission).  If it's
  42  * not a semantic that the library knows about, just submit it flat and
  43  * assume the caller knows what they're up to.
  44  */
  45 int
  46 acl_set_file(const char *path_p, acl_type_t type, acl_t acl)
  47 {
  48         int     error;
  49
  50         if (acl_posix1e(acl, type)) {
  51                 error = acl_sort(acl);
  52                 if (error) {
  53                         errno = error;
  54                         return (-1);
  55                 }
  56         }
  57
  58         return (__acl_set_file(path_p, type, acl));
  59 }
  60
  61 int
  62 acl_set_fd(int fd, acl_t acl)
  63 {
  64         int     error;
  65
  66         error = acl_sort(acl);
  67         if (error) {
  68                 errno = error;
  69                 return(-1);
  70         }
  71
  72         return (__acl_set_fd(fd, ACL_TYPE_ACCESS, acl));
  73 }
  74
  75 int
  76 acl_set_fd_np(int fd, acl_t acl, acl_type_t type)
  77 {
  78         int     error;
  79
  80         if (acl_posix1e(acl, type)) {
  81                 error = acl_sort(acl);
  82                 if (error) {
  83                         errno = error;
  84                         return (-1);
  85                 }
  86         }
  87
  88         return (__acl_set_fd(fd, type, acl));
  89 }