1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 /* lib/krb5/krb/copy_athctr.c */
3 /*
4 * Copyright 1990,1991 by the Massachusetts Institute of Technology.
5 * All Rights Reserved.
6 *
7 * Export of this software from the United States of America may
8 * require a specific license from the United States Government.
9 * It is the responsibility of any person or organization contemplating
10 * export to obtain such a license before exporting.
11 *
12 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
13 * distribute this software and its documentation for any purpose and
14 * without fee is hereby granted, provided that the above copyright
15 * notice appear in all copies and that both that copyright notice and
16 * this permission notice appear in supporting documentation, and that
17 * the name of M.I.T. not be used in advertising or publicity pertaining
18 * to distribution of the software without specific, written prior
19 * permission. Furthermore if you modify this software you must label
20 * your software as modified software and not distribute it in such a
21 * fashion that it might be confused with the original M.I.T. software.
22 * M.I.T. makes no representations about the suitability of
23 * this software for any purpose. It is provided "as is" without express
24 * or implied warranty.
25 */
26
27 #include "k5-int.h"
28 #include "auth_con.h"
29
30 #ifndef LEAN_CLIENT
31 krb5_error_code KRB5_CALLCONV
krb5_copy_authenticator(krb5_context context,const krb5_authenticator * authfrom,krb5_authenticator ** authto)32 krb5_copy_authenticator(krb5_context context, const krb5_authenticator *authfrom,
33 krb5_authenticator **authto)
34 {
35 krb5_error_code retval;
36 krb5_authenticator *tempto;
37
38 if (!(tempto = (krb5_authenticator *)malloc(sizeof(*tempto))))
39 return ENOMEM;
40 *tempto = *authfrom;
41
42 retval = krb5_copy_principal(context, authfrom->client, &tempto->client);
43 if (retval) {
44 free(tempto);
45 return retval;
46 }
47
48 if (authfrom->checksum &&
49 (retval = krb5_copy_checksum(context, authfrom->checksum, &tempto->checksum))) {
50 krb5_free_principal(context, tempto->client);
51 free(tempto);
52 return retval;
53 }
54
55 if (authfrom->subkey) {
56 retval = krb5_copy_keyblock(context, authfrom->subkey, &tempto->subkey);
57 if (retval) {
58 krb5_free_checksum(context, tempto->checksum);
59 krb5_free_principal(context, tempto->client);
60 free(tempto);
61 return retval;
62 }
63 }
64
65 if (authfrom->authorization_data) {
66 retval = krb5_copy_authdata(context, authfrom->authorization_data,
67 &tempto->authorization_data);
68 if (retval) {
69 krb5_free_keyblock(context, tempto->subkey);
70 krb5_free_checksum(context, tempto->checksum);
71 krb5_free_principal(context, tempto->client);
72 free(tempto);
73 return retval;
74 }
75 }
76
77 *authto = tempto;
78 return 0;
79 }
80
81 krb5_error_code KRB5_CALLCONV
krb5_auth_con_getauthenticator(krb5_context context,krb5_auth_context auth_context,krb5_authenticator ** authenticator)82 krb5_auth_con_getauthenticator(krb5_context context, krb5_auth_context auth_context,
83 krb5_authenticator **authenticator)
84 {
85 return (krb5_copy_authenticator(context, auth_context->authentp,
86 authenticator));
87 }
88 #endif
89