1/*
2 * Copyright (c) 1997 Kungliga Tekniska H�gskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "krb5_locl.h"
35
36RCSID("$Id: misc.c 21174 2007-06-19 10:10:58Z lha $");
37
38krb5_error_code KRB5_LIB_FUNCTION
39_krb5_s4u2self_to_checksumdata(krb5_context context,
40			       const PA_S4U2Self *self,
41			       krb5_data *data)
42{
43    krb5_error_code ret;
44    krb5_ssize_t ssize;
45    krb5_storage *sp;
46    size_t size;
47    int i;
48
49    sp = krb5_storage_emem();
50    if (sp == NULL) {
51	krb5_clear_error_string(context);
52	return ENOMEM;
53    }
54    krb5_storage_set_flags(sp, KRB5_STORAGE_BYTEORDER_LE);
55    ret = krb5_store_int32(sp, self->name.name_type);
56    if (ret)
57	goto out;
58    for (i = 0; i < self->name.name_string.len; i++) {
59	size = strlen(self->name.name_string.val[i]);
60	ssize = krb5_storage_write(sp, self->name.name_string.val[i], size);
61	if (ssize != size) {
62	    ret = ENOMEM;
63	    goto out;
64	}
65    }
66    size = strlen(self->realm);
67    ssize = krb5_storage_write(sp, self->realm, size);
68    if (ssize != size) {
69	ret = ENOMEM;
70	goto out;
71    }
72    size = strlen(self->auth);
73    ssize = krb5_storage_write(sp, self->auth, size);
74    if (ssize != size) {
75	ret = ENOMEM;
76	goto out;
77    }
78
79    ret = krb5_storage_to_data(sp, data);
80    krb5_storage_free(sp);
81    return ret;
82
83out:
84    krb5_clear_error_string(context);
85    return ret;
86}
87