fca41b9c6f
documented by POSIX.1e, and understand the opaque capability structures. Introduce support in the userland POSIX.1e library for a _CAPABILITY_NEEDMACROS define to remove these macros from the normal namespace, but allow the libc functions to use them. Submitted by: tmm Obtained from: TrustedBSD Project
73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
/*-
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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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/*
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* TrustedBSD Project - support for POSIX.1e process capabilities
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*/
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#include <sys/types.h>
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#include "namespace.h"
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/* need capability.h macros */
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#define _CAPABILITY_NEEDMACROS
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#include <sys/capability.h>
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#undef _CAPABILITY_NEEDMACROS
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#include "un-namespace.h"
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#include <sys/errno.h>
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int
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cap_set_flag(cap_t cap_p, cap_flag_t flag, int ncap, cap_value_t caps[],
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cap_flag_value_t value)
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{
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u_int64_t *mask;
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int i;
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switch(flag) {
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case CAP_EFFECTIVE:
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mask = &cap_p->c_effective;
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break;
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case CAP_INHERITABLE:
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mask = &cap_p->c_inheritable;
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break;
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case CAP_PERMITTED:
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mask = &cap_p->c_permitted;
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break;
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default:
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return (EINVAL);
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}
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if (value != CAP_SET && value != CAP_CLEAR)
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return (EINVAL);
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for (i = 0; i < ncap; i++)
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if (value == CAP_SET)
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SET_CAPABILITY(*mask, caps[i]);
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else
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UNSET_CAPABILITY(*mask, caps[i]);
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return (0);
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}
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