freebsd-skq/sys/kgssapi/gss_verify_mic.c

89 lines
2.7 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2008 Isilon Inc http://www.isilon.com/
* Authors: Doug Rabson <dfr@rabson.org>
* Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
*
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/kobj.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <kgssapi/gssapi.h>
#include <kgssapi/gssapi_impl.h>
#include "kgss_if.h"
OM_uint32
gss_verify_mic(OM_uint32 *minor_status,
const gss_ctx_id_t ctx,
const gss_buffer_t message_buffer,
const gss_buffer_t token_buffer,
gss_qop_t *qop_state)
{
OM_uint32 maj_stat;
struct mbuf *m, *mic;
if (!ctx) {
*minor_status = 0;
return (GSS_S_NO_CONTEXT);
}
MGET(m, M_WAITOK, MT_DATA);
if (message_buffer->length > MLEN)
MCLGET(m, M_WAITOK);
m_append(m, message_buffer->length, message_buffer->value);
MGET(mic, M_WAITOK, MT_DATA);
if (token_buffer->length > MLEN)
MCLGET(mic, M_WAITOK);
m_append(mic, token_buffer->length, token_buffer->value);
maj_stat = KGSS_VERIFY_MIC(ctx, minor_status, m, mic, qop_state);
m_freem(m);
m_freem(mic);
return (maj_stat);
}
OM_uint32
gss_verify_mic_mbuf(OM_uint32 *minor_status, const gss_ctx_id_t ctx,
struct mbuf *m, struct mbuf *mic, gss_qop_t *qop_state)
{
if (!ctx) {
*minor_status = 0;
return (GSS_S_NO_CONTEXT);
}
return (KGSS_VERIFY_MIC(ctx, minor_status, m, mic, qop_state));
}