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.Dd January 28, 2000 29.Dt ACL_FROM_TEXT 3 30.Os 31.Sh NAME 32.Nm acl_from_text 33.Nd create an ACL from text 34.Sh LIBRARY 35.Lb libc 36.Sh SYNOPSIS 37.In sys/types.h 38.In sys/acl.h 39.Ft acl_t 40.Fn acl_from_text "const char *buf_p" 41.Sh DESCRIPTION 42The 43.Fn acl_from_text 44function converts the text form of an ACL referred to by 45.Va buf_p 46into the internal working structure for ACLs, appropriate for applying to 47files or manipulating. 48.Pp 49This function may cause memory to be allocated. 50The caller should free any 51releasable memory, when the new ACL is no longer required, by calling 52.Xr acl_free 3 53with the 54.Va (void *)acl_t 55as an argument. 56.Sh IMPLEMENTATION NOTES 57.Fx Ns 's 58support for POSIX.1e interfaces and features is still under 59development at this time. 60.Sh RETURN VALUES 61Upon successful completion, the function shall return a pointer to the 62internal representation of the ACL in working storage. 63Otherwise, a value 64of 65.Va (acl_t)NULL 66shall be returned, and 67.Va errno 68shall be set to indicate the error. 69.Sh ERRORS 70If any of the following conditions occur, the 71.Fn acl_from_text 72function shall return a value of 73.Va (acl_t)NULL 74and set 75.Va errno 76to the corresponding value: 77.Bl -tag -width Er 78.It Bq Er EINVAL 79Argument 80.Va buf_p 81cannot be translated into an ACL. 82.It Bq Er ENOMEM 83The ACL working storage requires more memory than is allowed by the 84hardware or system-imposed memory management constraints. 85.El 86.Sh SEE ALSO 87.Xr acl 3 , 88.Xr acl_free 3 , 89.Xr acl_get 3 , 90.Xr acl_to_text 3 , 91.Xr posix1e 3 92.Sh STANDARDS 93POSIX.1e is described in IEEE POSIX.1e draft 17. 94Discussion 95of the draft continues on the cross-platform POSIX.1e implementation 96mailing list. 97To join this list, see the 98.Fx 99POSIX.1e implementation 100page for more information. 101.Sh HISTORY 102POSIX.1e support was introduced in 103.Fx 4.0 , 104and development continues. 105.Sh AUTHORS 106.An Robert N M Watson 107.Sh BUGS 108The 109.Fn acl_from_text 110and 111.Fn acl_to_text 112functions 113rely on the 114.Xr getpwent 3 115library calls to manage username and uid mapping, as well as the 116.Xr getgrent 3 117library calls to manage groupname and gid mapping. 118These calls are not 119thread safe, and so transitively, neither are 120.Fn acl_from_text 121and 122.Fn acl_to_text . 123These functions may also interfere with stateful 124calls associated with the 125.Fn getpwent 126and 127.Fn getgrent 128calls. 129