1 /*
2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
3 * Use is subject to license terms.
4 */
5
6 #pragma ident "%Z%%M% %I% %E% SMI"
7
8 /*
9 * lib/krb5/krb/copy_athctr.c
10 *
11 * Copyright 1990,1991 by the Massachusetts Institute of Technology.
12 * All Rights Reserved.
13 *
14 * Export of this software from the United States of America may
15 * require a specific license from the United States Government.
16 * It is the responsibility of any person or organization contemplating
17 * export to obtain such a license before exporting.
18 *
19 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
20 * distribute this software and its documentation for any purpose and
21 * without fee is hereby granted, provided that the above copyright
22 * notice appear in all copies and that both that copyright notice and
23 * this permission notice appear in supporting documentation, and that
24 * the name of M.I.T. not be used in advertising or publicity pertaining
25 * to distribution of the software without specific, written prior
26 * permission. Furthermore if you modify this software you must label
27 * your software as modified software and not distribute it in such a
28 * fashion that it might be confused with the original M.I.T. software.
29 * M.I.T. makes no representations about the suitability of
30 * this software for any purpose. It is provided "as is" without express
31 * or implied warranty.
32 *
33 *
34 * krb5_copy_authenticator()
35 */
36
37 #include <k5-int.h>
38
39 krb5_error_code KRB5_CALLCONV
krb5_copy_authenticator(krb5_context context,const krb5_authenticator * authfrom,krb5_authenticator ** authto)40 krb5_copy_authenticator(krb5_context context, const krb5_authenticator *authfrom, krb5_authenticator **authto)
41 {
42 krb5_error_code retval;
43 krb5_authenticator *tempto;
44
45 if (!(tempto = (krb5_authenticator *)MALLOC(sizeof(*tempto))))
46 return ENOMEM;
47 #ifdef HAVE_C_STRUCTURE_ASSIGNMENT
48 *tempto = *authfrom;
49 #else
50 (void) memcpy(tempto, authfrom, sizeof(krb5_authenticator));
51 #endif
52
53 retval = krb5_copy_principal(context, authfrom->client, &tempto->client);
54 if (retval) {
55 krb5_xfree_wrap(tempto, sizeof(*tempto));
56 return retval;
57 }
58
59 if (authfrom->checksum &&
60 (retval = krb5_copy_checksum(context, authfrom->checksum, &tempto->checksum))) {
61 krb5_free_principal(context, tempto->client);
62 krb5_xfree_wrap(tempto, sizeof(*tempto));
63 return retval;
64 }
65
66 if (authfrom->subkey) {
67 retval = krb5_copy_keyblock(context, authfrom->subkey, &tempto->subkey);
68 if (retval) {
69 krb5_xfree_wrap(tempto->subkey, sizeof(krb5_keyblock));
70 krb5_free_checksum(context, tempto->checksum);
71 krb5_free_principal(context, tempto->client);
72 krb5_xfree_wrap(tempto, sizeof(*tempto));
73 return retval;
74 }
75 }
76
77 if (authfrom->authorization_data) {
78 retval = krb5_copy_authdata(context, authfrom->authorization_data,
79 &tempto->authorization_data);
80 if (retval) {
81 krb5_xfree_wrap(tempto->subkey, sizeof(krb5_keyblock));
82 krb5_free_checksum(context, tempto->checksum);
83 krb5_free_principal(context, tempto->client);
84 krb5_free_authdata(context, tempto->authorization_data);
85 krb5_xfree_wrap(tempto, sizeof(*tempto));
86 return retval;
87 }
88 }
89
90 *authto = tempto;
91 return 0;
92 }
93