xref: /freebsd/crypto/heimdal/lib/krb5/test_store.c (revision ed549cb0c53f8438c52593ce811f6fcc812248e9)
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 #include "krb5_locl.h"
34 #include <getarg.h>
35 
36 static void
test_int8(krb5_context context,krb5_storage * sp)37 test_int8(krb5_context context, krb5_storage *sp)
38 {
39     krb5_error_code ret;
40     int i;
41     int8_t val[] = {
42 	0, 1, -1, 128, -127
43     }, v;
44 
45     krb5_storage_truncate(sp, 0);
46 
47     for (i = 0; i < sizeof(val[0])/sizeof(val); i++) {
48 
49 	ret = krb5_store_int8(sp, val[i]);
50 	if (ret)
51 	    krb5_err(context, 1, ret, "krb5_store_int8");
52 	krb5_storage_seek(sp, 0, SEEK_SET);
53 	ret = krb5_ret_int8(sp, &v);
54 	if (ret)
55 	    krb5_err(context, 1, ret, "krb5_ret_int8");
56 	if (v != val[i])
57 	    krb5_errx(context, 1, "store and ret mismatch");
58     }
59 }
60 
61 static void
test_int16(krb5_context context,krb5_storage * sp)62 test_int16(krb5_context context, krb5_storage *sp)
63 {
64     krb5_error_code ret;
65     int i;
66     int16_t val[] = {
67 	0, 1, -1, 32767, -32768
68     }, v;
69 
70     krb5_storage_truncate(sp, 0);
71 
72     for (i = 0; i < sizeof(val[0])/sizeof(val); i++) {
73 
74 	ret = krb5_store_int16(sp, val[i]);
75 	if (ret)
76 	    krb5_err(context, 1, ret, "krb5_store_int16");
77 	krb5_storage_seek(sp, 0, SEEK_SET);
78 	ret = krb5_ret_int16(sp, &v);
79 	if (ret)
80 	    krb5_err(context, 1, ret, "krb5_ret_int16");
81 	if (v != val[i])
82 	    krb5_errx(context, 1, "store and ret mismatch");
83     }
84 }
85 
86 static void
test_int32(krb5_context context,krb5_storage * sp)87 test_int32(krb5_context context, krb5_storage *sp)
88 {
89     krb5_error_code ret;
90     int i;
91     int32_t val[] = {
92 	0, 1, -1, 2147483647, -2147483646
93     }, v;
94 
95     krb5_storage_truncate(sp, 0);
96 
97     for (i = 0; i < sizeof(val[0])/sizeof(val); i++) {
98 
99 	ret = krb5_store_int32(sp, val[i]);
100 	if (ret)
101 	    krb5_err(context, 1, ret, "krb5_store_int32");
102 	krb5_storage_seek(sp, 0, SEEK_SET);
103 	ret = krb5_ret_int32(sp, &v);
104 	if (ret)
105 	    krb5_err(context, 1, ret, "krb5_ret_int32");
106 	if (v != val[i])
107 	    krb5_errx(context, 1, "store and ret mismatch");
108     }
109 }
110 
111 static void
test_uint8(krb5_context context,krb5_storage * sp)112 test_uint8(krb5_context context, krb5_storage *sp)
113 {
114     krb5_error_code ret;
115     int i;
116     uint8_t val[] = {
117 	0, 1, 255
118     }, v;
119 
120     krb5_storage_truncate(sp, 0);
121 
122     for (i = 0; i < sizeof(val[0])/sizeof(val); i++) {
123 
124 	ret = krb5_store_uint8(sp, val[i]);
125 	if (ret)
126 	    krb5_err(context, 1, ret, "krb5_store_uint8");
127 	krb5_storage_seek(sp, 0, SEEK_SET);
128 	ret = krb5_ret_uint8(sp, &v);
129 	if (ret)
130 	    krb5_err(context, 1, ret, "krb5_ret_uint8");
131 	if (v != val[i])
132 	    krb5_errx(context, 1, "store and ret mismatch");
133     }
134 }
135 
136 static void
test_uint16(krb5_context context,krb5_storage * sp)137 test_uint16(krb5_context context, krb5_storage *sp)
138 {
139     krb5_error_code ret;
140     int i;
141     uint16_t val[] = {
142 	0, 1, 65535
143     }, v;
144 
145     krb5_storage_truncate(sp, 0);
146 
147     for (i = 0; i < sizeof(val[0])/sizeof(val); i++) {
148 
149 	ret = krb5_store_uint16(sp, val[i]);
150 	if (ret)
151 	    krb5_err(context, 1, ret, "krb5_store_uint16");
152 	krb5_storage_seek(sp, 0, SEEK_SET);
153 	ret = krb5_ret_uint16(sp, &v);
154 	if (ret)
155 	    krb5_err(context, 1, ret, "krb5_ret_uint16");
156 	if (v != val[i])
157 	    krb5_errx(context, 1, "store and ret mismatch");
158     }
159 }
160 
161 static void
test_uint32(krb5_context context,krb5_storage * sp)162 test_uint32(krb5_context context, krb5_storage *sp)
163 {
164     krb5_error_code ret;
165     int i;
166     uint32_t val[] = {
167 	0, 1, 4294967295UL
168     }, v;
169 
170     krb5_storage_truncate(sp, 0);
171 
172     for (i = 0; i < sizeof(val[0])/sizeof(val); i++) {
173 
174 	ret = krb5_store_uint32(sp, val[i]);
175 	if (ret)
176 	    krb5_err(context, 1, ret, "krb5_store_uint32");
177 	krb5_storage_seek(sp, 0, SEEK_SET);
178 	ret = krb5_ret_uint32(sp, &v);
179 	if (ret)
180 	    krb5_err(context, 1, ret, "krb5_ret_uint32");
181 	if (v != val[i])
182 	    krb5_errx(context, 1, "store and ret mismatch");
183     }
184 }
185 
186 
187 static void
test_storage(krb5_context context,krb5_storage * sp)188 test_storage(krb5_context context, krb5_storage *sp)
189 {
190     test_int8(context, sp);
191     test_int16(context, sp);
192     test_int32(context, sp);
193     test_uint8(context, sp);
194     test_uint16(context, sp);
195     test_uint32(context, sp);
196 }
197 
198 
199 static void
test_truncate(krb5_context context,krb5_storage * sp,int fd)200 test_truncate(krb5_context context, krb5_storage *sp, int fd)
201 {
202     struct stat sb;
203 
204     krb5_store_string(sp, "hej");
205     krb5_storage_truncate(sp, 2);
206 
207     if (fstat(fd, &sb) != 0)
208 	krb5_err(context, 1, errno, "fstat");
209     if (sb.st_size != 2)
210 	krb5_errx(context, 1, "length not 2");
211 
212     krb5_storage_truncate(sp, 1024);
213 
214     if (fstat(fd, &sb) != 0)
215 	krb5_err(context, 1, errno, "fstat");
216     if (sb.st_size != 1024)
217 	krb5_errx(context, 1, "length not 2");
218 }
219 
220 static void
check_too_large(krb5_context context,krb5_storage * sp)221 check_too_large(krb5_context context, krb5_storage *sp)
222 {
223     uint32_t too_big_sizes[] = { INT_MAX, INT_MAX / 2, INT_MAX / 4, INT_MAX / 8 + 1};
224     krb5_error_code ret;
225     krb5_data data;
226     size_t n;
227 
228     for (n = 0; n < sizeof(too_big_sizes) / sizeof(too_big_sizes); n++) {
229 	krb5_storage_truncate(sp, 0);
230 	krb5_store_uint32(sp, too_big_sizes[n]);
231 	krb5_storage_seek(sp, 0, SEEK_SET);
232 	ret = krb5_ret_data(sp, &data);
233 	if (ret != HEIM_ERR_TOO_BIG)
234 	    errx(1, "not too big: %lu", (unsigned long)n);
235     }
236 }
237 
238 /*
239  *
240  */
241 
242 static int version_flag = 0;
243 static int help_flag	= 0;
244 
245 static struct getargs args[] = {
246     {"version",	0,	arg_flag,	&version_flag,
247      "print version", NULL },
248     {"help",	0,	arg_flag,	&help_flag,
249      NULL, NULL }
250 };
251 
252 static void
usage(int ret)253 usage (int ret)
254 {
255     arg_printusage (args,
256 		    sizeof(args)/sizeof(*args),
257 		    NULL,
258 		    "");
259     exit (ret);
260 }
261 
262 int
main(int argc,char ** argv)263 main(int argc, char **argv)
264 {
265     krb5_context context;
266     krb5_error_code ret;
267     int fd, optidx = 0;
268     krb5_storage *sp;
269     const char *fn = "test-store-data";
270 
271     setprogname(argv[0]);
272 
273     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
274 	usage(1);
275 
276     if (help_flag)
277 	usage (0);
278 
279     if(version_flag){
280 	print_version(NULL);
281 	exit(0);
282     }
283 
284     argc -= optidx;
285     argv += optidx;
286 
287     ret = krb5_init_context (&context);
288     if (ret)
289 	errx (1, "krb5_init_context failed: %d", ret);
290 
291     /*
292      * Test encoding/decoding of primotive types on diffrent backends
293      */
294 
295     sp = krb5_storage_emem();
296     if (sp == NULL)
297 	krb5_errx(context, 1, "krb5_storage_emem: no mem");
298 
299     test_storage(context, sp);
300     check_too_large(context, sp);
301     krb5_storage_free(sp);
302 
303 
304     fd = open(fn, O_RDWR|O_CREAT|O_TRUNC, 0600);
305     if (fd < 0)
306 	krb5_err(context, 1, errno, "open(%s)", fn);
307 
308     sp = krb5_storage_from_fd(fd);
309     close(fd);
310     if (sp == NULL)
311 	krb5_errx(context, 1, "krb5_storage_from_fd: %s no mem", fn);
312 
313     test_storage(context, sp);
314     krb5_storage_free(sp);
315     unlink(fn);
316 
317     /*
318      * test truncate behavior
319      */
320 
321     fd = open(fn, O_RDWR|O_CREAT|O_TRUNC, 0600);
322     if (fd < 0)
323 	krb5_err(context, 1, errno, "open(%s)", fn);
324 
325     sp = krb5_storage_from_fd(fd);
326     if (sp == NULL)
327 	krb5_errx(context, 1, "krb5_storage_from_fd: %s no mem", fn);
328 
329     test_truncate(context, sp, fd);
330     krb5_storage_free(sp);
331     close(fd);
332     unlink(fn);
333 
334     krb5_free_context(context);
335 
336     return 0;
337 }
338