1 /*
2 * Copyright (c) 2006 Kungliga Tekniska Högskolan
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 KTH nor the names of its contributors may be
18 * used to endorse or promote products derived from this software without
19 * specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #include "gsskrb5_locl.h"
35
36 struct range {
37 size_t lower;
38 size_t upper;
39 };
40
41 struct range tests[] = {
42 { 0, 1040 },
43 { 2040, 2080 },
44 { 4080, 5000 },
45 { 8180, 8292 },
46 { 9980, 10010 }
47 };
48
49 static void
test_range(const struct range * r,int integ,krb5_context context,krb5_crypto crypto)50 test_range(const struct range *r, int integ,
51 krb5_context context, krb5_crypto crypto)
52 {
53 krb5_error_code ret;
54 size_t size, rsize;
55 struct gsskrb5_ctx ctx;
56
57 for (size = r->lower; size < r->upper; size++) {
58 size_t cksumsize;
59 uint16_t padsize;
60 OM_uint32 minor;
61 OM_uint32 max_wrap_size;
62
63 ctx.crypto = crypto;
64
65 ret = _gssapi_wrap_size_cfx(&minor,
66 &ctx,
67 context,
68 integ,
69 0,
70 size,
71 &max_wrap_size);
72 if (ret)
73 krb5_errx(context, 1, "_gsskrb5cfx_max_wrap_length_cfx: %d", ret);
74 if (max_wrap_size == 0)
75 continue;
76
77 ret = _gsskrb5cfx_wrap_length_cfx(context,
78 crypto,
79 integ,
80 0,
81 max_wrap_size,
82 &rsize, &cksumsize, &padsize);
83 if (ret)
84 krb5_errx(context, 1, "_gsskrb5cfx_wrap_length_cfx: %d", ret);
85
86 if (size < rsize)
87 krb5_errx(context, 1,
88 "size (%d) < rsize (%d) for max_wrap_size %d",
89 (int)size, (int)rsize, (int)max_wrap_size);
90 }
91 }
92
93 static void
test_special(krb5_context context,krb5_crypto crypto,int integ,size_t testsize)94 test_special(krb5_context context, krb5_crypto crypto,
95 int integ, size_t testsize)
96 {
97 krb5_error_code ret;
98 size_t rsize;
99 OM_uint32 max_wrap_size;
100 size_t cksumsize;
101 uint16_t padsize;
102 struct gsskrb5_ctx ctx;
103 OM_uint32 minor;
104
105 ctx.crypto = crypto;
106
107 ret = _gssapi_wrap_size_cfx(&minor,
108 &ctx,
109 context,
110 integ,
111 0,
112 testsize,
113 &max_wrap_size);
114 if (ret)
115 krb5_errx(context, 1, "_gsskrb5cfx_max_wrap_length_cfx: %d", ret);
116 if (ret)
117 krb5_errx(context, 1, "_gsskrb5cfx_max_wrap_length_cfx: %d", ret);
118
119 ret = _gsskrb5cfx_wrap_length_cfx(context,
120 crypto,
121 integ,
122 0,
123 max_wrap_size,
124 &rsize, &cksumsize, &padsize);
125 if (ret)
126 krb5_errx(context, 1, "_gsskrb5cfx_wrap_length_cfx: %d", ret);
127
128 if (testsize < rsize)
129 krb5_errx(context, 1,
130 "testsize (%d) < rsize (%d) for max_wrap_size %d",
131 (int)testsize, (int)rsize, (int)max_wrap_size);
132 }
133
134
135
136
137 int
main(int argc,char ** argv)138 main(int argc, char **argv)
139 {
140 krb5_keyblock keyblock;
141 krb5_error_code ret;
142 krb5_context context;
143 krb5_crypto crypto;
144 int i;
145
146 ret = krb5_init_context(&context);
147 if (ret)
148 errx(1, "krb5_context_init: %d", ret);
149
150 ret = krb5_generate_random_keyblock(context,
151 ENCTYPE_AES256_CTS_HMAC_SHA1_96,
152 &keyblock);
153 if (ret)
154 krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
155
156 ret = krb5_crypto_init(context, &keyblock, 0, &crypto);
157 if (ret)
158 krb5_err(context, 1, ret, "krb5_crypto_init");
159
160 test_special(context, crypto, 1, 60);
161 test_special(context, crypto, 0, 60);
162
163 for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) {
164 test_range(&tests[i], 1, context, crypto);
165 test_range(&tests[i], 0, context, crypto);
166 }
167
168 krb5_free_keyblock_contents(context, &keyblock);
169 krb5_crypto_destroy(context, crypto);
170 krb5_free_context(context);
171
172 return 0;
173 }
174