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freebsd/lib/libposix1e/cap_get_file.c
Robert Watson 89b7801213 o Introduce cap_{get,set}_{file,fd}() syscall wrappers, associated with
soon to be committed syscall stubs.  These calls will be used to get
  and set capability state associated with executables.

Obtained from:	TrustedBSD Project
2000-07-05 04:20:59 +00:00

56 lines
1.7 KiB
C

/*-
* Copyright (c) 2000 Robert N. M. Watson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* TrustedBSD Project - support for POSIX.1e process capabilities
*/
#include <sys/types.h>
#include <sys/capability.h>
#include <sys/errno.h>
#include <stdlib.h>
cap_t
cap_get_file(const char *path_p)
{
struct cap *cap;
int error;
cap = cap_init();
if (!cap)
return (NULL);
error = __cap_get_file(path_p, cap);
if (error) {
cap_free(cap);
return (NULL);
}
return (cap);
}