1/*
2 * Copyright (c) 2005 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 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#include "krb5_locl.h"
34#include <err.h>
35#include <getarg.h>
36
37/*
38 * Test that removal entry from of empty keytab doesn't corrupts
39 * memory.
40 */
41
42static void
43test_empty_keytab(krb5_context context, const char *keytab)
44{
45    krb5_error_code ret;
46    krb5_keytab id;
47    krb5_keytab_entry entry;
48
49    ret = krb5_kt_resolve(context, keytab, &id);
50    if (ret)
51	krb5_err(context, 1, ret, "krb5_kt_resolve");
52
53    memset(&entry, 0, sizeof(entry));
54
55    krb5_kt_remove_entry(context, id, &entry);
56
57    ret = krb5_kt_have_content(context, id);
58    if (ret == 0)
59	krb5_errx(context, 1, "supposed to be empty keytab isn't");
60
61    ret = krb5_kt_close(context, id);
62    if (ret)
63	krb5_err(context, 1, ret, "krb5_kt_close");
64}
65
66/*
67 * Test that memory keytab are refcounted.
68 */
69
70static void
71test_memory_keytab(krb5_context context, const char *keytab, const char *keytab2)
72{
73    krb5_error_code ret;
74    krb5_keytab id, id2, id3;
75    krb5_keytab_entry entry, entry2, entry3;
76
77    ret = krb5_kt_resolve(context, keytab, &id);
78    if (ret)
79	krb5_err(context, 1, ret, "krb5_kt_resolve");
80
81    memset(&entry, 0, sizeof(entry));
82    ret = krb5_parse_name(context, "lha@SU.SE", &entry.principal);
83    if (ret)
84	krb5_err(context, 1, ret, "krb5_parse_name");
85    entry.vno = 1;
86    ret = krb5_generate_random_keyblock(context,
87					ETYPE_AES256_CTS_HMAC_SHA1_96,
88					&entry.keyblock);
89    if (ret)
90	krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
91
92    krb5_kt_add_entry(context, id, &entry);
93
94    ret = krb5_kt_resolve(context, keytab, &id2);
95    if (ret)
96	krb5_err(context, 1, ret, "krb5_kt_resolve");
97
98    ret = krb5_kt_get_entry(context, id,
99			    entry.principal,
100			    0,
101			    ETYPE_AES256_CTS_HMAC_SHA1_96,
102			    &entry2);
103    if (ret)
104	krb5_err(context, 1, ret, "krb5_kt_get_entry");
105    krb5_kt_free_entry(context, &entry2);
106
107    ret = krb5_kt_close(context, id);
108    if (ret)
109	krb5_err(context, 1, ret, "krb5_kt_close");
110
111    ret = krb5_kt_get_entry(context, id2,
112			    entry.principal,
113			    0,
114			    ETYPE_AES256_CTS_HMAC_SHA1_96,
115			    &entry2);
116    if (ret)
117	krb5_err(context, 1, ret, "krb5_kt_get_entry");
118    krb5_kt_free_entry(context, &entry2);
119
120    ret = krb5_kt_close(context, id2);
121    if (ret)
122	krb5_err(context, 1, ret, "krb5_kt_close");
123
124
125    ret = krb5_kt_resolve(context, keytab2, &id3);
126    if (ret)
127	krb5_err(context, 1, ret, "krb5_kt_resolve");
128
129    memset(&entry3, 0, sizeof(entry3));
130    ret = krb5_parse_name(context, "lha3@SU.SE", &entry3.principal);
131    if (ret)
132	krb5_err(context, 1, ret, "krb5_parse_name");
133    entry3.vno = 1;
134    ret = krb5_generate_random_keyblock(context,
135					ETYPE_AES256_CTS_HMAC_SHA1_96,
136					&entry3.keyblock);
137    if (ret)
138	krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
139
140    krb5_kt_add_entry(context, id3, &entry3);
141
142
143    ret = krb5_kt_resolve(context, keytab, &id);
144    if (ret)
145	krb5_err(context, 1, ret, "krb5_kt_resolve");
146
147    ret = krb5_kt_get_entry(context, id,
148			    entry.principal,
149			    0,
150			    ETYPE_AES256_CTS_HMAC_SHA1_96,
151			    &entry2);
152    if (ret == 0)
153	krb5_errx(context, 1, "krb5_kt_get_entry when if should fail");
154
155    krb5_kt_remove_entry(context, id, &entry);
156
157    ret = krb5_kt_close(context, id);
158    if (ret)
159	krb5_err(context, 1, ret, "krb5_kt_close");
160
161    krb5_kt_free_entry(context, &entry);
162
163    krb5_kt_remove_entry(context, id3, &entry3);
164
165    ret = krb5_kt_close(context, id3);
166    if (ret)
167	krb5_err(context, 1, ret, "krb5_kt_close");
168
169    krb5_free_principal(context, entry3.principal);
170    krb5_free_keyblock_contents(context, &entry3.keyblock);
171}
172
173static void
174perf_add(krb5_context context, krb5_keytab id, int times)
175{
176}
177
178static void
179perf_find(krb5_context context, krb5_keytab id, int times)
180{
181}
182
183static void
184perf_delete(krb5_context context, krb5_keytab id, int forward, int times)
185{
186}
187
188
189static int version_flag = 0;
190static int help_flag	= 0;
191static char *perf_str   = NULL;
192static int times = 1000;
193
194static struct getargs args[] = {
195    {"performance",	0,	arg_string,	&perf_str,
196     "test performance for named keytab", "keytab" },
197    {"times",	0,	arg_integer,	&times,
198     "number of times to run the perforamce test", "number" },
199    {"version",	0,	arg_flag,	&version_flag,
200     "print version", NULL },
201    {"help",	0,	arg_flag,	&help_flag,
202     NULL, NULL }
203};
204
205static void
206usage (int ret)
207{
208    arg_printusage (args,
209		    sizeof(args)/sizeof(*args),
210		    NULL,
211		    "");
212    exit (ret);
213}
214
215int
216main(int argc, char **argv)
217{
218    krb5_context context;
219    krb5_error_code ret;
220    int optidx = 0;
221
222    setprogname(argv[0]);
223
224    if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
225	usage(1);
226
227    if (help_flag)
228	usage (0);
229
230    if(version_flag){
231	print_version(NULL);
232	exit(0);
233    }
234
235    argc -= optidx;
236    argv += optidx;
237
238    if (argc != 0)
239	errx(1, "argc != 0");
240
241    ret = krb5_init_context(&context);
242    if (ret)
243	errx (1, "krb5_init_context failed: %d", ret);
244
245    if (perf_str) {
246	krb5_keytab id;
247
248	ret = krb5_kt_resolve(context, perf_str, &id);
249	if (ret)
250	    krb5_err(context, 1, ret, "krb5_kt_resolve: %s", perf_str);
251
252	/* add, find, delete on keytab */
253	perf_add(context, id, times);
254	perf_find(context, id, times);
255	perf_delete(context, id, 0, times);
256
257	/* add and find again on used keytab */
258	perf_add(context, id, times);
259	perf_find(context, id, times);
260
261	ret = krb5_kt_destroy(context, id);
262	if (ret)
263	    krb5_err(context, 1, ret, "krb5_kt_destroy: %s", perf_str);
264
265	ret = krb5_kt_resolve(context, perf_str, &id);
266	if (ret)
267	    krb5_err(context, 1, ret, "krb5_kt_resolve: %s", perf_str);
268
269	/* try delete backwards */
270#if 0
271	perf_add(context, id, times);
272	perf_delete(context, id, 1, times);
273#endif
274
275	ret = krb5_kt_destroy(context, id);
276	if (ret)
277	    krb5_err(context, 1, ret, "krb5_kt_destroy");
278
279    } else {
280
281	test_empty_keytab(context, "MEMORY:foo");
282	test_empty_keytab(context, "FILE:foo");
283
284	test_memory_keytab(context, "MEMORY:foo", "MEMORY:foo2");
285
286    }
287
288    krb5_free_context(context);
289
290    return 0;
291}
292