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/*-
* 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_unwrap(OM_uint32 *minor_status,
const gss_ctx_id_t ctx,
const gss_buffer_t input_message_buffer,
gss_buffer_t output_message_buffer,
int *conf_state,
gss_qop_t *qop_state)
{
OM_uint32 maj_stat;
struct mbuf *m;
if (!ctx) {
*minor_status = 0;
return (GSS_S_NO_CONTEXT);
}
MGET(m, M_WAITOK, MT_DATA);
if (input_message_buffer->length > MLEN)
MCLGET(m, M_WAITOK);
m_append(m, input_message_buffer->length, input_message_buffer->value);
maj_stat = KGSS_UNWRAP(ctx, minor_status, &m, conf_state, qop_state);
/*
* On success, m is the wrapped message, on failure, m is
* freed.
*/
if (maj_stat == GSS_S_COMPLETE) {
output_message_buffer->length = m_length(m, NULL);
output_message_buffer->value =
malloc(output_message_buffer->length,
M_GSSAPI, M_WAITOK);
m_copydata(m, 0, output_message_buffer->length,
output_message_buffer->value);
m_freem(m);
}
return (maj_stat);
}
OM_uint32
gss_unwrap_mbuf(OM_uint32 *minor_status,
const gss_ctx_id_t ctx,
struct mbuf **mp,
int *conf_state,
gss_qop_t *qop_state)
{
if (!ctx) {
*minor_status = 0;
return (GSS_S_NO_CONTEXT);
}
return (KGSS_UNWRAP(ctx, minor_status, mp, conf_state, qop_state));
}
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