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>
35 #include "mech_switch.h"
39 gss_import_sec_context(OM_uint32 *minor_status,
40 const gss_buffer_t interprocess_token,
41 gss_ctx_id_t *context_handle)
43 OM_uint32 major_status;
44 struct _gss_mech_switch *m;
45 struct _gss_context *ctx;
46 gss_OID_desc mech_oid;
52 *context_handle = GSS_C_NO_CONTEXT;
55 * We added an oid to the front of the token in
56 * gss_export_sec_context.
58 p = interprocess_token->value;
59 len = interprocess_token->length;
61 return (GSS_S_DEFECTIVE_TOKEN);
62 mech_oid.length = (p[0] << 8) | p[1];
63 if (len < mech_oid.length + 2)
64 return (GSS_S_DEFECTIVE_TOKEN);
65 mech_oid.elements = p + 2;
66 buf.length = len - 2 - mech_oid.length;
67 buf.value = p + 2 + mech_oid.length;
69 m = _gss_find_mech_switch(&mech_oid);
71 return (GSS_S_DEFECTIVE_TOKEN);
73 ctx = malloc(sizeof(struct _gss_context));
75 *minor_status = ENOMEM;
76 return (GSS_S_FAILURE);
79 major_status = m->gm_import_sec_context(minor_status,
81 if (major_status != GSS_S_COMPLETE) {
82 _gss_mg_error(m, major_status, *minor_status);
85 *context_handle = (gss_ctx_id_t) ctx;
88 return (major_status);