xref: /freebsd/crypto/heimdal/lib/gssapi/mech/gss_utils.c (revision 09a53ad8f1318c5daae6cfb19d97f4f6459f0013)
1 /*-
2  * Copyright (c) 2005 Doug Rabson
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  *	$FreeBSD: src/lib/libgssapi/gss_utils.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
27  */
28 
29 #include "mech_locl.h"
30 
31 OM_uint32
32 _gss_copy_oid(OM_uint32 *minor_status,
33     const gss_OID from_oid, gss_OID to_oid)
34 {
35 	size_t len = from_oid->length;
36 
37 	*minor_status = 0;
38 	to_oid->elements = malloc(len);
39 	if (!to_oid->elements) {
40 		to_oid->length = 0;
41 		*minor_status = ENOMEM;
42 		return GSS_S_FAILURE;
43 	}
44 	to_oid->length = len;
45 	memcpy(to_oid->elements, from_oid->elements, len);
46 	return (GSS_S_COMPLETE);
47 }
48 
49 OM_uint32
50 _gss_free_oid(OM_uint32 *minor_status, gss_OID oid)
51 {
52 	*minor_status = 0;
53 	if (oid->elements) {
54 	    free(oid->elements);
55 	    oid->elements = NULL;
56 	    oid->length = 0;
57 	}
58 	return (GSS_S_COMPLETE);
59 }
60 
61 OM_uint32
62 _gss_copy_buffer(OM_uint32 *minor_status,
63     const gss_buffer_t from_buf, gss_buffer_t to_buf)
64 {
65 	size_t len = from_buf->length;
66 
67 	*minor_status = 0;
68 	to_buf->value = malloc(len);
69 	if (!to_buf->value) {
70 		*minor_status = ENOMEM;
71 		to_buf->length = 0;
72 		return GSS_S_FAILURE;
73 	}
74 	to_buf->length = len;
75 	memcpy(to_buf->value, from_buf->value, len);
76 	return (GSS_S_COMPLETE);
77 }
78 
79