95 lines
2.7 KiB
Groff
95 lines
2.7 KiB
Groff
.\"-
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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 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 April 10, 2001
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.Dt ACL_GET_PERM_NP 3
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.Os
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.Sh NAME
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.Nm acl_get_perm_np
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.Nd "check if a permission is set in a permission set"
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In sys/types.h
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.In sys/acl.h
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.Ft int
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.Fn acl_get_perm_np "acl_permset_t permset_d" "acl_perm_t perm"
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.Sh DESCRIPTION
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The
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.Fn acl_get_perm_np
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function
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is a non-portable function that checks if a permission is set in
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a permission set.
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.Sh RETURN VALUES
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If the permission in
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.Fa perm
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is set in the permission set
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.Fa permset_d ,
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a value of
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1
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is returned, otherwise a value of
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0
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is returned.
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.Sh ERRORS
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If any of the following conditions occur, the
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.Fn acl_get_perm_np
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function will return a value of
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\-1
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and set global variable
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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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.Fa perm
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does not contain a valid ACL permission or argument
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.Fa permset_d
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is not a valid ACL permset.
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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_add_perm 3 ,
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.Xr acl_clear_perms 3 ,
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.Xr acl_delete_perm 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_get_perm_np
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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_get_perm_np
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function was written by
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.An Chris D. Faulhaber Aq Mt jedgar@fxp.org .
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