2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2005 Doug Rabson
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <gssapi/gssapi.h>
36 #include "mech_switch.h"
41 gss_export_sec_context(OM_uint32 *minor_status,
42 gss_ctx_id_t *context_handle,
43 gss_buffer_t interprocess_token)
45 OM_uint32 major_status;
46 struct _gss_context *ctx = (struct _gss_context *) *context_handle;
47 struct _gss_mech_switch *m = ctx->gc_mech;
50 _gss_buffer_zero(interprocess_token);
52 major_status = m->gm_export_sec_context(minor_status,
55 if (major_status == GSS_S_COMPLETE) {
59 *context_handle = GSS_C_NO_CONTEXT;
60 interprocess_token->length = buf.length
61 + 2 + m->gm_mech_oid.length;
62 interprocess_token->value = malloc(interprocess_token->length);
63 if (!interprocess_token->value) {
65 * We are in trouble here - the context is
66 * already gone. This is allowed as long as we
67 * set the caller's context_handle to
68 * GSS_C_NO_CONTEXT, which we did above.
69 * Return GSS_S_FAILURE.
71 _gss_buffer_zero(interprocess_token);
72 *minor_status = ENOMEM;
73 return (GSS_S_FAILURE);
75 p = interprocess_token->value;
76 p[0] = m->gm_mech_oid.length >> 8;
77 p[1] = m->gm_mech_oid.length;
78 memcpy(p + 2, m->gm_mech_oid.elements, m->gm_mech_oid.length);
79 memcpy(p + 2 + m->gm_mech_oid.length, buf.value, buf.length);
80 gss_release_buffer(minor_status, &buf);
82 _gss_mg_error(m, major_status, *minor_status);
85 return (major_status);