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/share/man/man9/VOP_GETACL.9,v 1.1.2.3 2001/12/17 11:30:18 ru Exp $ 27.\" $DragonFly: src/share/man/man9/VOP_GETACL.9,v 1.2 2003/06/17 04:37:01 dillon Exp $ 28.\" 29.Dd December 23, 1999 30.Os 31.Dt VOP_GETACL 9 32.Sh NAME 33.Nm VOP_GETACL 34.Nd retrieve access control list for a vnode 35.Sh SYNOPSIS 36.In sys/param.h 37.In sys/vnode.h 38.In sys/acl.h 39.Ft int 40.Fn VOP_GETACL "struct vnode *vp" "acl_type_t type" "struct acl *aclp" "struct ucred *cred" "struct proc *p" 41.Sh DESCRIPTION 42This vnode call may be used to retrieve the access control list (ACL) from a 43file or directory. 44.Pp 45Its arguments are: 46.Bl -tag -width type 47.It Fa vp 48the vnode of the file or directory 49.It Fa type 50the type of ACL to retrieve 51.It Fa aclp 52a pointer to an ACL structure to receive the ACL data 53.It Fa cred 54the user credentials to use in authorizing the request 55.It Fa p 56the process requesting the ACL 57.El 58.Pp 59The 60.Fa cred 61pointer may be 62.Dv NULL 63to indicate that access control checks are not to be performed, if possible. 64This cred setting might be used to allow the kernel to authorize ACL 65retrieval that the active process might not be permitted to do. 66.Pp 67The vnode ACL interface defines the syntax, and not semantics, of file and 68directory ACL interfaces. More information about ACL management in kernel 69may be found in 70.Xr acl 9 . 71.Sh LOCKS 72No locks are required to call this vnode method, and any locks held on 73entry will be held on exit. 74.Sh RETURN VALUES 75If the 76.Fa aclp 77pointer will point to a valid ACL, then zero is returned. Otherwise, 78an appropriate error code is returned. 79.Sh ERRORS 80.Bl -tag -width Er 81.It Bq Er EINVAL 82The ACL type passed is invalid for this vnode 83.It Bq Er EACCES 84Permission denied 85.It Bq Er ENOMEM 86Insufficient memory available to fulfill request 87.It Bq Er EOPNOTSUPP 88The file system does not support 89.Fn VOP_GETACL 90.El 91.Sh SEE ALSO 92.Xr acl 9 , 93.Xr vnode 9 , 94.Xr VOP_ACLCHECK 9 , 95.Xr VOP_SETACL 9 96.Sh AUTHORS 97This man page was written by 98.An Robert Watson . 99