98 lines
2.8 KiB
Groff
98 lines
2.8 KiB
Groff
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.\"-
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.\" Copyright (c) 2001 Chris D. Faulhaber
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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 THE VOICES IN HIS HEAD BE
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.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd March 10, 2001
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.Dt ACL_ADD_PERM 3
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.Os
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.Sh NAME
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.Nm acl_add_perm
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.Nd Add permissions to a permission set
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.Sh LIBRARY
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.Lb libposix1e
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.Sh SYNOPSIS
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.Fd #include <sys/types.h>
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.Fd #include <sys/acl.h>
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.Ft int
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.Fn acl_add_perm "acl_permset_t permset_d, acl_perm_t perm"
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.Sh DESCRIPTION
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.Fn acl_add_perm
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is a POSIX.1e call that adds the permission contained in
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.Ar perm
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to the permission set
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.Ar permset_d .
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.Pp
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Note: it is not considered an error to attempt to add permissions
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that already exist in the permission set.
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.Sh RETURN VALUES
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Upon successful completion, the function will return a value of
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.Va 0 .
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Otherwise, a value of
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.Va -1
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will be returned, and
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.Va errno
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will be set to indicate the error.
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.Sh ERRORS
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If any of the following conditions occur, the
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.Fn acl_add_perm
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function will return a value of
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.Va -1
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and set
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.Va errno
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to the corresponding value:
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.Bl -tag -width Er
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.It Bq Er EINVAL
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Argument
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.Ar permset_d
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is not a valid descriptor for a permission set within an ACL entry.
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Argument
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.Ar perm
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does not contain a valid
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.Ar acl_perm_t
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value.
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.El
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.Sh SEE ALSO
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.Xr acl 3 ,
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.Xr acl_clear_perms 3 ,
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.Xr acl_delete_perms 3 ,
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.Xr acl_get_permset 3 ,
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.Xr acl_set_permset 3 ,
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.Xr posix1e 3
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.Sh STANDARDS
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POSIX.1e is described in IEEE POSIX.1e draft 17.
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.Sh HISTORY
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POSIX.1e support was introduced in
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.Fx 4.0 .
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The
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.Fn acl_add_perm
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function was added in
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.Fx 5.0 .
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.Sh AUTHORS
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The
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.Fn acl_add_perm
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function was written by
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.An Chris D. Faulhaber Aq jedgar@fxp.org .
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