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106 lines
3.4 KiB
Groff
106 lines
3.4 KiB
Groff
.\"-
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.\" Copyright (c) 1999, 2000, 2001 Robert N. M. Watson
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd December 23, 1999
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.Os
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.Dt VOP_SETACL 9
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.Sh NAME
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.Nm VOP_SETACL
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.Nd set the access control list for a vnode
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.Sh SYNOPSIS
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.In sys/param.h
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.In sys/vnode.h
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.In sys/acl.h
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.Ft int
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.Fn VOP_SETACL "struct vnode *vp" "acl_type_t type" "struct acl *aclp" "struct ucred *cred" "struct thread *td"
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.Sh DESCRIPTION
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This vnode call may be used to set the access control list (ACL) for a file
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or directory.
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.Pp
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Its arguments are:
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.Bl -tag -width type
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.It Fa vp
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the vnode of the file or directory
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.It Fa type
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the type of ACL to set
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.It Fa aclp
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a pointer to an ACL structure from which to retrieve the ACL data
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.It Fa cred
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the user credentials to use in authorizing the request
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.It Fa td
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the thread setting the ACL
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.El
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.Pp
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The
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.Fa aclp
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pointer may be
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.Dv NULL
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to indicate that the specified ACL should be deleted.
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.Pp
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The
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.Fa cred
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pointer may be
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.Dv NULL
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to indicate that access control checks are not to be performed, if possible.
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This cred setting might be used to allow the kernel to authorize ACL
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changes that the active process might not be permitted to make.
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.Pp
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The vnode ACL interface defines the syntax, and not semantics, of file and
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directory ACL interfaces.
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More information about ACL management in kernel
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may be found in
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.Xr acl 9 .
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.Sh LOCKS
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The vnode will be locked on entry and should remain locked on return.
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.Sh RETURN VALUES
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If the ACL is successfully set, then zero is returned.
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Otherwise, an appropriate error code is returned.
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.Sh ERRORS
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.Bl -tag -width Er
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.It Bq Er EINVAL
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The ACL type passed is invalid for this vnode, or the ACL data is invalid.
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.It Bq Er EACCES
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The the caller does not have the appropriate privilege.
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.It Bq Er ENOMEM
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Sufficient memory is not available to fulfill the request.
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.It Bq Er EOPNOTSUPP
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The file system does not support
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.Fn VOP_SETACL .
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.It Bq Er ENOSPC
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The file system is out of space.
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.It Bq Er EROFS
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The file system is read-only.
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.El
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.Sh SEE ALSO
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.Xr acl 9 ,
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.Xr vnode 9 ,
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.Xr VOP_ACLCHECK 9 ,
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.Xr VOP_GETACL 9
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.Sh AUTHORS
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This man page was written by
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.An Robert Watson .
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