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109 lines
3.3 KiB
Groff
109 lines
3.3 KiB
Groff
.\"-
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.\" Copyright (c) 2000 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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.\" TrustedBSD Project - support for POSIX.1e process capabilities
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.\"
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.Dd April 1, 2000
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.Dt CAP_SET_FLAG 3
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.Os
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.Sh NAME
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.Nm cap_set_flag
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.Nd set the value of a capability flag
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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/capability.h
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.Ft int
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.Fn cap_set_flag "cap_t cap_p" "cap_flag_t flag" "int ncap" "cap_value_t caps[]" "cap_flag_value_t value"
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.Sh DESCRIPTION
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This function shall set the flag
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.Ar flag
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of each capability in the array
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.Ar caps
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in the capability state in working storage identified by
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.Ar cap_p
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to
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.Ar value .
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The argument
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.Ar ncap
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is used to specify the number of capabilities in the array
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.Ar caps .
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Implementations may place restrictions on the setting of the flags in a capability state.
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.Sh IMPLEMENTATION NOTES
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.Fx Ns 's
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support for POSIX.1e interfaces and features is still under
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development at this time.
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.Sh RETURN VALUES
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.Rv -std cap_set_flag
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The capability state identified by
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.Ar cap_p
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shall not be affected if the function fails.
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.Sh ERRORS
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If any of the following conditions occur, the
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.Fn cap_set_flag
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function shall return -1 and set
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.Ar 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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At least one of the values of
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.Ar cap_p ,
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.Ar ncap ,
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.Ar flag
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and
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.Ar value ,
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or at least one of the first
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.Ar ncap
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elements in
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.Ar caps ,
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does not refer to the corresponding entity.
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.Pp
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The resulting capability state identified by
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.Ar cap_p
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violates one or more implementation restrictions.
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.El
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.Sh SEE ALSO
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.Xr cap 3 ,
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.Xr cap_get_flag 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. Discussion
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of the draft continues on the cross-platform POSIX.1e implementation
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mailing list. To join this list, see the
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.Fx
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POSIX.1e implementation
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page for more information.
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.Sh HISTORY
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Support for POSIX.1e Capabilities was developed as part of the TrustedBSD
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Project.
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POSIX.1e Capability support was introduced in
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.Fx 5.0 ,
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and development continues.
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.Sh AUTHORS
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.An Robert N M Watson
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