ecfbf7e46d
label updates. Biba and MLS already supported this. This permits the userland library to submit relative updates on MAC labels, rather than submitting an entire label to replace the current label. This also requires changes to the MAC modules, which are forthcoming. Obtained from: TrustedBSD Project Sponsored by: DARPA, NAI Labs
70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
/*
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* Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson
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* Copyright (c) 2002 Networks Associates Technology, Inc.
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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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* This software was developed for the FreeBSD Project in part by NAI Labs,
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* the Security Research Division of Network Associates, Inc. under
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* DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
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* CHATS research program.
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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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#include <string.h>
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/*
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* TE labels simply consist of the typename. The type length may
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* be zero indicating that the text form did not include a type,
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* but the string length must not exceed the length limit in the label.
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*/
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int
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mac_te_label_from_string(char *string, struct mac *label)
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{
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bzero(&label->m_te, sizeof(label->m_te));
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if (strlcpy(label->m_te.mt_type, string,
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sizeof(label->m_te.mt_type)) >= sizeof(label->m_te.mt_type))
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return (EINVAL);
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return (0);
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}
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char *
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mac_te_string_from_label(struct mac *label)
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{
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return (strdup(label->m_te.mt_type));
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}
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