d97fcfce27
kernel access control. Extensions to libc to provide basic MAC label manipulation facilities for userland. These interface will be replaced in the next month or two with more flexible interfaces, but provide sufficient support to allow use of the Biba and MLS policies for user applications. libc_r wrappers to follow. Obtained from: TrustedBSD Project Sponsored by: DARPA, NAI Labs
102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/*
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* Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson
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* All rights reserved.
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*
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* This software was developed by Robert Watson for the TrustedBSD Project.
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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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* 3. The names of the authors may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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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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#include <sys/types.h>
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#include <sys/mac.h>
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#include <errno.h>
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#include <stdlib.h>
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mac_t
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mac_get_file(const char *path_p)
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{
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struct mac *label;
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int error;
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label = (mac_t) malloc(sizeof(*label));
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if (label == NULL) {
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errno = ENOMEM;
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return (NULL);
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}
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error = __mac_get_file(path_p, label);
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if (error) {
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mac_free(label);
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return (NULL);
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}
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return (label);
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}
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mac_t
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mac_get_fd(int fd)
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{
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struct mac *label;
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int error;
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label = (mac_t) malloc(sizeof(*label));
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if (label == NULL) {
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errno = ENOMEM;
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return (NULL);
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}
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error = __mac_get_fd(fd, label);
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if (error) {
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mac_free(label);
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return (NULL);
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}
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return (label);
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}
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mac_t
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mac_get_proc()
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{
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struct mac *label;
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int error;
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label = (mac_t) malloc(sizeof(*label));
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if (label == NULL) {
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errno = ENOMEM;
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return (NULL);
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}
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error = __mac_get_proc(label);
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if (error) {
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mac_free(label);
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return (NULL);
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}
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return (label);
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}
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