1.\"- 2.\" Copyright (c) 2000, 2002 Robert N. M. Watson 3.\" All rights reserved. 4.\" 5.\" This software was developed by Robert Watson for the TrustedBSD Project. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.\" 30.Dd June 25, 2009 31.Dt ACL_SET 3 32.Os 33.Sh NAME 34.Nm acl_set_fd , 35.Nm acl_set_fd_np , 36.Nm acl_set_file , 37.Nm acl_set_link_np 38.Nd set an ACL for a file 39.Sh LIBRARY 40.Lb libc 41.Sh SYNOPSIS 42.In sys/types.h 43.In sys/acl.h 44.Ft int 45.Fn acl_set_fd "int fd" "acl_t acl" 46.Ft int 47.Fn acl_set_fd_np "int fd" "acl_t acl" "acl_type_t type" 48.Ft int 49.Fn acl_set_file "const char *path_p" "acl_type_t type" "acl_t acl" 50.Ft int 51.Fn acl_set_link_np "const char *path_p" "acl_type_t type" "acl_t acl" 52.Sh DESCRIPTION 53The 54.Fn acl_set_fd , 55.Fn acl_set_fd_np , 56.Fn acl_set_file , 57and 58.Fn acl_set_link_np 59each associate an ACL with an object referred to by 60.Va fd 61or 62.Va path_p . 63The 64.Fn acl_set_fd_np 65and 66.Fn acl_set_link_np 67functions are not POSIX.1e calls. 68The 69.Fn acl_set_fd 70function allows only the setting of ACLs of type ACL_TYPE_ACCESS 71where as 72.Fn acl_set_fd_np 73allows the setting of ACLs of any type. 74The 75.Fn acl_set_link_np 76function acts on a symlink rather than its target, if the target of the 77path is a symlink. 78.Pp 79Valid values for the 80.Va type 81argument are: 82.Bl -column -offset 3n "ACL_TYPE_DEFAULT" 83.It ACL_TYPE_ACCESS POSIX.1e access ACL 84.It ACL_TYPE_DEFAULT POSIX.1e default ACL 85.It ACL_TYPE_NFS4 NFSv4 ACL 86.El 87.Pp 88Trying to set ACL_TYPE_NFS4 with 89.Va acl 90branded as POSIX.1e, or ACL_TYPE_ACCESS or ACL_TYPE_DEFAULT with ACL 91branded as NFSv4, will result in error. 92.Sh IMPLEMENTATION NOTES 93.Fx Ns 's 94support for POSIX.1e interfaces and features is still under 95development at this time. 96.Sh RETURN VALUES 97.Rv -std 98.Sh ERRORS 99If any of the following conditions occur, these functions shall return 100-1 and set 101.Va errno 102to the corresponding value: 103.Bl -tag -width Er 104.It Bq Er EACCES 105Search permission is denied for a component of the path prefix, or the 106object exists and the process does not have appropriate access rights. 107.It Bq Er EBADF 108The 109.Va fd 110argument is not a valid file descriptor. 111.It Bq Er EINVAL 112Argument 113.Va acl 114does not point to a valid ACL for this object, or the ACL type 115specified in 116.Va type 117is invalid for this object, or there is branding mismatch. 118.It Bq Er ENAMETOOLONG 119A component of a pathname exceeded 255 characters, or an 120entire path name exceeded 1023 characters. 121.It Bq Er ENOENT 122The named object does not exist, or the 123.Va path_p 124argument points to an empty string. 125.It Bq Er ENOMEM 126Insufficient memory available to fulfill request. 127.It Bq Er ENOSPC 128The directory or file system that would contain the new ACL cannot be 129extended, or the file system is out of file allocation resources. 130.It Bq Er EOPNOTSUPP 131The file system does not support ACL retrieval. 132.It Bq Er EROFS 133This function requires modification of a file system which is currently 134read-only. 135.El 136.Sh SEE ALSO 137.Xr acl 3 , 138.Xr acl_delete 3 , 139.Xr acl_get 3 , 140.Xr acl_get_brand_np 3 , 141.Xr acl_valid 3 , 142.Xr posix1e 3 143.Sh STANDARDS 144POSIX.1e is described in IEEE POSIX.1e draft 17. 145Discussion 146of the draft continues on the cross-platform POSIX.1e implementation 147mailing list. 148To join this list, see the 149.Fx 150POSIX.1e implementation 151page for more information. 152.Sh HISTORY 153POSIX.1e support was introduced in 154.Fx 4.0 , 155and development continues. 156.Sh AUTHORS 157.An Robert N M Watson 158