1/*	$NetBSD: test_cfx.c,v 1.2 2017/01/28 21:31:46 christos Exp $	*/
2
3/*
4 * Copyright (c) 2006 Kungliga Tekniska H��gskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of KTH nor the names of its contributors may be
20 *    used to endorse or promote products derived from this software without
21 *    specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
24 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
36#include "gsskrb5_locl.h"
37
38struct range {
39    size_t lower;
40    size_t upper;
41};
42
43struct range tests[] = {
44    { 0, 1040 },
45    { 2040, 2080 },
46    { 4080, 5000 },
47    { 8180, 8292 },
48    { 9980, 10010 }
49};
50
51static void
52test_range(const struct range *r, int integ,
53	   krb5_context context, krb5_crypto crypto)
54{
55    krb5_error_code ret;
56    size_t size, rsize;
57    struct gsskrb5_ctx ctx;
58
59    for (size = r->lower; size < r->upper; size++) {
60	size_t cksumsize;
61	uint16_t padsize;
62	OM_uint32 minor;
63	OM_uint32 max_wrap_size;
64
65	ctx.crypto = crypto;
66
67	ret = _gssapi_wrap_size_cfx(&minor,
68				    &ctx,
69				    context,
70				    integ,
71				    0,
72				    size,
73				    &max_wrap_size);
74	if (ret)
75	    krb5_errx(context, 1, "_gsskrb5cfx_max_wrap_length_cfx: %d", ret);
76	if (max_wrap_size == 0)
77	    continue;
78
79	ret = _gsskrb5cfx_wrap_length_cfx(context,
80					  crypto,
81					  integ,
82					  0,
83					  max_wrap_size,
84					  &rsize, &cksumsize, &padsize);
85	if (ret)
86	    krb5_errx(context, 1, "_gsskrb5cfx_wrap_length_cfx: %d", ret);
87
88	if (size < rsize)
89	    krb5_errx(context, 1,
90		      "size (%d) < rsize (%d) for max_wrap_size %d",
91		      (int)size, (int)rsize, (int)max_wrap_size);
92    }
93}
94
95static void
96test_special(krb5_context context, krb5_crypto crypto,
97	     int integ, size_t testsize)
98{
99    krb5_error_code ret;
100    size_t rsize;
101    OM_uint32 max_wrap_size;
102    size_t cksumsize;
103    uint16_t padsize;
104    struct gsskrb5_ctx ctx;
105    OM_uint32 minor;
106
107    ctx.crypto = crypto;
108
109    ret = _gssapi_wrap_size_cfx(&minor,
110				&ctx,
111				context,
112				integ,
113				0,
114				testsize,
115				&max_wrap_size);
116    if (ret)
117      krb5_errx(context, 1, "_gsskrb5cfx_max_wrap_length_cfx: %d", ret);
118    if (ret)
119	krb5_errx(context, 1, "_gsskrb5cfx_max_wrap_length_cfx: %d", ret);
120
121    ret = _gsskrb5cfx_wrap_length_cfx(context,
122				      crypto,
123				      integ,
124				      0,
125				      max_wrap_size,
126				      &rsize, &cksumsize, &padsize);
127    if (ret)
128	krb5_errx(context, 1, "_gsskrb5cfx_wrap_length_cfx: %d", ret);
129
130    if (testsize < rsize)
131	krb5_errx(context, 1,
132		  "testsize (%d) < rsize (%d) for max_wrap_size %d",
133		  (int)testsize, (int)rsize, (int)max_wrap_size);
134}
135
136
137
138
139int
140main(int argc, char **argv)
141{
142    krb5_keyblock keyblock;
143    krb5_error_code ret;
144    krb5_context context;
145    krb5_crypto crypto;
146    int i;
147
148    ret = krb5_init_context(&context);
149    if (ret)
150	errx(1, "krb5_context_init: %d", ret);
151
152    ret = krb5_generate_random_keyblock(context,
153					KRB5_ENCTYPE_AES256_CTS_HMAC_SHA1_96,
154					&keyblock);
155    if (ret)
156	krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
157
158    ret = krb5_crypto_init(context, &keyblock, 0, &crypto);
159    if (ret)
160	krb5_err(context, 1, ret, "krb5_crypto_init");
161
162    test_special(context, crypto, 1, 60);
163    test_special(context, crypto, 0, 60);
164
165    for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) {
166	test_range(&tests[i], 1, context, crypto);
167	test_range(&tests[i], 0, context, crypto);
168    }
169
170    krb5_free_keyblock_contents(context, &keyblock);
171    krb5_crypto_destroy(context, crypto);
172    krb5_free_context(context);
173
174    return 0;
175}
176