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 January 28, 2000 31.Dt ACL_FROM_TEXT 3 32.Os 33.Sh NAME 34.Nm acl_from_text 35.Nd create an ACL from text 36.Sh LIBRARY 37.Lb libc 38.Sh SYNOPSIS 39.In sys/types.h 40.In sys/acl.h 41.Ft acl_t 42.Fn acl_from_text "const char *buf_p" 43.Sh DESCRIPTION 44The 45.Fn acl_from_text 46function converts the text form of an ACL referred to by 47.Va buf_p 48into the internal working structure for ACLs, appropriate for applying to 49files or manipulating. 50.Pp 51This function may cause memory to be allocated. 52The caller should free any 53releasable memory, when the new ACL is no longer required, by calling 54.Xr acl_free 3 55with the 56.Va (void *)acl_t 57as an argument. 58.Sh IMPLEMENTATION NOTES 59.Fx Ns 's 60support for POSIX.1e interfaces and features is still under 61development at this time. 62.Sh RETURN VALUES 63Upon successful completion, the function shall return a pointer to the 64internal representation of the ACL in working storage. 65Otherwise, a value 66of 67.Va (acl_t)NULL 68shall be returned, and 69.Va errno 70shall be set to indicate the error. 71.Sh ERRORS 72If any of the following conditions occur, the 73.Fn acl_from_text 74function shall return a value of 75.Va (acl_t)NULL 76and set 77.Va errno 78to the corresponding value: 79.Bl -tag -width Er 80.It Bq Er EINVAL 81Argument 82.Va buf_p 83cannot be translated into an ACL. 84.It Bq Er ENOMEM 85The ACL working storage requires more memory than is allowed by the 86hardware or system-imposed memory management constraints. 87.El 88.Sh SEE ALSO 89.Xr acl 3 , 90.Xr acl_free 3 , 91.Xr acl_get 3 , 92.Xr acl_to_text 3 , 93.Xr posix1e 3 94.Sh STANDARDS 95POSIX.1e is described in IEEE POSIX.1e draft 17. 96Discussion 97of the draft continues on the cross-platform POSIX.1e implementation 98mailing list. 99To join this list, see the 100.Fx 101POSIX.1e implementation 102page for more information. 103.Sh HISTORY 104POSIX.1e support was introduced in 105.Fx 4.0 , 106and development continues. 107.Sh AUTHORS 108.An Robert N M Watson 109.Sh BUGS 110The 111.Fn acl_from_text 112and 113.Fn acl_to_text 114functions 115rely on the 116.Xr getpwent 3 117library calls to manage username and uid mapping, as well as the 118.Xr getgrent 3 119library calls to manage groupname and gid mapping. 120These calls are not 121thread safe, and so transitively, neither are 122.Fn acl_from_text 123and 124.Fn acl_to_text . 125These functions may also interfere with stateful 126calls associated with the 127.Fn getpwent 128and 129.Fn getgrent 130calls. 131