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 December 29, 2002 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.Sh IMPLEMENTATION NOTES 79.Fx Ns 's 80support for POSIX.1e interfaces and features is still under 81development at this time. 82.Sh RETURN VALUES 83.Rv -std 84.Sh ERRORS 85If any of the following conditions occur, these functions shall return 86-1 and set 87.Va errno 88to the corresponding value: 89.Bl -tag -width Er 90.It Bq Er EACCES 91Search permission is denied for a component of the path prefix, or the 92object exists and the process does not have appropriate access rights. 93.It Bq Er EBADF 94The 95.Va fd 96argument is not a valid file descriptor. 97.It Bq Er EINVAL 98Argument 99.Va acl 100does not point to a valid ACL for this object, or the ACL type 101specified in 102.Va type 103is invalid for this object, or both. 104.It Bq Er ENAMETOOLONG 105A component of a pathname exceeded 255 characters, or an 106entire path name exceeded 1023 characters. 107.It Bq Er ENOENT 108The named object does not exist, or the 109.Va path_p 110argument points to an empty string. 111.It Bq Er ENOMEM 112Insufficient memory available to fulfill request. 113.It Bq Er ENOSPC 114The directory or file system that would contain the new ACL cannot be 115extended, or the file system is out of file allocation resources. 116.It Bq Er EOPNOTSUPP 117The file system does not support ACL retrieval. 118.It Bq Er EROFS 119This function requires modification of a file system which is currently 120read-only. 121.El 122.Sh SEE ALSO 123.Xr acl 3 , 124.Xr acl_delete 3 , 125.Xr acl_get 3 , 126.Xr acl_valid 3 , 127.Xr posix1e 3 128.Sh STANDARDS 129POSIX.1e is described in IEEE POSIX.1e draft 17. 130Discussion 131of the draft continues on the cross-platform POSIX.1e implementation 132mailing list. 133To join this list, see the 134.Fx 135POSIX.1e implementation 136page for more information. 137.Sh HISTORY 138POSIX.1e support was introduced in 139.Fx 4.0 , 140and development continues. 141.Sh AUTHORS 142.An Robert N M Watson 143