xref: /freebsd/lib/libgssapi/gss_duplicate_oid.c (revision c2de0116c80176829406289da3b79b6e70855ea4)
1  /*-
2   * SPDX-License-Identifier: BSD-2-Clause
3   *
4   * Copyright (c) 2008 Doug Rabson
5   * All rights reserved.
6   *
7   * Redistribution and use in source and binary forms, with or without
8   * modification, are permitted provided that the following conditions
9   * are met:
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.
15   *
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
26   * SUCH DAMAGE.
27   */
28  
29  #include <gssapi/gssapi.h>
30  #include <stdlib.h>
31  #include <string.h>
32  #include <errno.h>
33  
34  OM_uint32 gss_duplicate_oid(OM_uint32 *minor_status,
35      const gss_OID src_oid,
36      gss_OID *dest_oid_p)
37  {
38  	gss_OID dest_oid;
39  
40  	*minor_status = 0;
41  	*dest_oid_p = GSS_C_NO_OID;
42  
43  	if (src_oid == GSS_C_NO_OID)
44  		return (GSS_S_COMPLETE);
45  
46  	dest_oid = malloc(sizeof(gss_OID_desc));
47  	if (!dest_oid) {
48  		*minor_status = ENOMEM;
49  		return (GSS_S_FAILURE);
50  	}
51  
52  	dest_oid->elements = malloc(src_oid->length);
53  	if (!dest_oid->elements) {
54  		free(dest_oid);
55  		*minor_status = ENOMEM;
56  		return (GSS_S_FAILURE);
57  	}
58  
59  	memcpy(dest_oid->elements, src_oid->elements, src_oid->length);
60  	dest_oid->length = src_oid->length;
61  
62  	*dest_oid_p = dest_oid;
63  
64  	return (GSS_S_COMPLETE);
65  }
66