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/*-
* Copyright (c) 2005 Doug Rabson
* 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.
*
* $FreeBSD$
*/
#include <gssapi/gssapi.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "mech_switch.h"
#include "context.h"
#include "utils.h"
OM_uint32
gss_export_sec_context(OM_uint32 *minor_status,
gss_ctx_id_t *context_handle,
gss_buffer_t interprocess_token)
{
OM_uint32 major_status;
struct _gss_context *ctx = (struct _gss_context *) *context_handle;
struct _gss_mech_switch *m = ctx->gc_mech;
gss_buffer_desc buf;
_gss_buffer_zero(interprocess_token);
major_status = m->gm_export_sec_context(minor_status,
&ctx->gc_ctx, &buf);
if (major_status == GSS_S_COMPLETE) {
unsigned char *p;
free(ctx);
*context_handle = GSS_C_NO_CONTEXT;
interprocess_token->length = buf.length
+ 2 + m->gm_mech_oid.length;
interprocess_token->value = malloc(interprocess_token->length);
if (!interprocess_token->value) {
/*
* We are in trouble here - the context is
* already gone. This is allowed as long as we
* set the caller's context_handle to
* GSS_C_NO_CONTEXT, which we did above.
* Return GSS_S_FAILURE.
*/
_gss_buffer_zero(interprocess_token);
*minor_status = ENOMEM;
return (GSS_S_FAILURE);
}
p = interprocess_token->value;
p[0] = m->gm_mech_oid.length >> 8;
p[1] = m->gm_mech_oid.length;
memcpy(p + 2, m->gm_mech_oid.elements, m->gm_mech_oid.length);
memcpy(p + 2 + m->gm_mech_oid.length, buf.value, buf.length);
gss_release_buffer(minor_status, &buf);
} else {
_gss_mg_error(m, major_status, *minor_status);
}
return (major_status);
}
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