OpenBSD-4.6/kerberosV/src/lib/asn1/check-der.c
/*
* Copyright (c) 1999 - 2003 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "der_locl.h"
#include <err.h>
#include <roken.h>
#include <asn1-common.h>
#include <asn1_err.h>
#include <der.h>
#include "check-common.h"
RCSID("$KTH: check-der.c,v 1.13 2005/04/04 19:36:37 lha Exp $");
static int
cmp_integer (void *a, void *b)
{
int *ia = (int *)a;
int *ib = (int *)b;
return *ib - *ia;
}
static int
test_integer (void)
{
struct test_case tests[] = {
{NULL, 3, "\x02\x01\x00"},
{NULL, 3, "\x02\x01\x7f"},
{NULL, 4, "\x02\x02\x00\x80"},
{NULL, 4, "\x02\x02\x01\x00"},
{NULL, 3, "\x02\x01\x80"},
{NULL, 4, "\x02\x02\xff\x7f"},
{NULL, 3, "\x02\x01\xff"},
{NULL, 4, "\x02\x02\xff\x01"},
{NULL, 4, "\x02\x02\x00\xff"},
{NULL, 6, "\x02\x04\x80\x00\x00\x00"},
{NULL, 6, "\x02\x04\x7f\xff\xff\xff"}
};
int values[] = {0, 127, 128, 256, -128, -129, -1, -255, 255,
0x80000000, 0x7fffffff};
int i;
int ntests = sizeof(tests) / sizeof(*tests);
for (i = 0; i < ntests; ++i) {
tests[i].val = &values[i];
asprintf (&tests[i].name, "integer %d", values[i]);
}
return generic_test (tests, ntests, sizeof(int),
(generic_encode)encode_integer,
(generic_length) length_integer,
(generic_decode)decode_integer,
cmp_integer);
}
static int
test_one_int(int val)
{
int ret, dval;
unsigned char *buf;
size_t len_len, len;
len = _heim_len_int(val);
buf = emalloc(len + 2);
buf[0] = '\xff';
buf[len + 1] = '\xff';
memset(buf + 1, 0, len);
ret = der_put_int(buf + 1 + len - 1, len, val, &len_len);
if (ret) {
printf("integer %d encode failed %d\n", val, ret);
return 1;
}
if (len != len_len) {
printf("integer %d encode fail with %d len %lu, result len %lu\n",
val, ret, (unsigned long)len, (unsigned long)len_len);
return 1;
}
ret = der_get_int(buf + 1, len, &dval, &len_len);
if (ret) {
printf("integer %d decode failed %d\n", val, ret);
return 1;
}
if (len != len_len) {
printf("integer %d decoded diffrent len %lu != %lu",
val, (unsigned long)len, (unsigned long)len_len);
return 1;
}
if (val != dval) {
printf("decode decoded to diffrent value %d != %d",
val, dval);
return 1;
}
if (buf[0] != (unsigned char)'\xff') {
printf("precanary dead %d\n", val);
return 1;
}
if (buf[len + 1] != (unsigned char)'\xff') {
printf("postecanary dead %d\n", val);
return 1;
}
free(buf);
return 0;
}
static int
test_integer_more (void)
{
int i, n1, n2, n3, n4, n5, n6;
n2 = 0;
for (i = 0; i < (sizeof(int) * 8); i++) {
n1 = 0x01 << i;
n2 = n2 | n1;
n3 = ~n1;
n4 = ~n2;
n5 = (-1) & ~(0x3f << i);
n6 = (-1) & ~(0x7f << i);
test_one_int(n1);
test_one_int(n2);
test_one_int(n3);
test_one_int(n4);
test_one_int(n5);
test_one_int(n6);
}
return 0;
}
static int
cmp_unsigned (void *a, void *b)
{
return *(unsigned int*)b - *(unsigned int*)a;
}
static int
test_unsigned (void)
{
struct test_case tests[] = {
{NULL, 3, "\x02\x01\x00"},
{NULL, 3, "\x02\x01\x7f"},
{NULL, 4, "\x02\x02\x00\x80"},
{NULL, 4, "\x02\x02\x01\x00"},
{NULL, 4, "\x02\x02\x02\x00"},
{NULL, 5, "\x02\x03\x00\x80\x00"},
{NULL, 7, "\x02\x05\x00\x80\x00\x00\x00"},
{NULL, 6, "\x02\x04\x7f\xff\xff\xff"}
};
unsigned int values[] = {0, 127, 128, 256, 512, 32768,
0x80000000, 0x7fffffff};
int i;
int ntests = sizeof(tests) / sizeof(*tests);
for (i = 0; i < ntests; ++i) {
tests[i].val = &values[i];
asprintf (&tests[i].name, "unsigned %u", values[i]);
}
return generic_test (tests, ntests, sizeof(int),
(generic_encode)encode_unsigned,
(generic_length) length_unsigned,
(generic_decode)decode_unsigned,
cmp_unsigned);
}
static int
cmp_octet_string (void *a, void *b)
{
heim_octet_string *oa = (heim_octet_string *)a;
heim_octet_string *ob = (heim_octet_string *)b;
if (oa->length != ob->length)
return ob->length - oa->length;
return (memcmp (oa->data, ob->data, oa->length));
}
static int
test_octet_string (void)
{
heim_octet_string s1 = {8, "\x01\x23\x45\x67\x89\xab\xcd\xef"};
struct test_case tests[] = {
{NULL, 10, "\x04\x08\x01\x23\x45\x67\x89\xab\xcd\xef"}
};
int ntests = sizeof(tests) / sizeof(*tests);
tests[0].val = &s1;
asprintf (&tests[0].name, "a octet string");
return generic_test (tests, ntests, sizeof(heim_octet_string),
(generic_encode)encode_octet_string,
(generic_length)length_octet_string,
(generic_decode)decode_octet_string,
cmp_octet_string);
}
static int
cmp_general_string (void *a, void *b)
{
unsigned char **sa = (unsigned char **)a;
unsigned char **sb = (unsigned char **)b;
return strcmp (*sa, *sb);
}
static int
test_general_string (void)
{
unsigned char *s1 = "Test User 1";
struct test_case tests[] = {
{NULL, 13, "\x1b\x0b\x54\x65\x73\x74\x20\x55\x73\x65\x72\x20\x31"}
};
int ntests = sizeof(tests) / sizeof(*tests);
tests[0].val = &s1;
asprintf (&tests[0].name, "the string \"%s\"", s1);
return generic_test (tests, ntests, sizeof(unsigned char *),
(generic_encode)encode_general_string,
(generic_length)length_general_string,
(generic_decode)decode_general_string,
cmp_general_string);
}
static int
cmp_generalized_time (void *a, void *b)
{
time_t *ta = (time_t *)a;
time_t *tb = (time_t *)b;
return *tb - *ta;
}
static int
test_generalized_time (void)
{
struct test_case tests[] = {
{NULL, 17, "\x18\x0f""19700101000000Z"},
{NULL, 17, "\x18\x0f""19851106210627Z"}
};
time_t values[] = {0, 500159187};
int i;
int ntests = sizeof(tests) / sizeof(*tests);
for (i = 0; i < ntests; ++i) {
tests[i].val = &values[i];
asprintf (&tests[i].name, "time %d", (int)values[i]);
}
return generic_test (tests, ntests, sizeof(time_t),
(generic_encode)encode_generalized_time,
(generic_length)length_generalized_time,
(generic_decode)decode_generalized_time,
cmp_generalized_time);
}
int
main(int argc, char **argv)
{
int ret = 0;
ret += test_integer ();
ret += test_integer_more();
ret += test_unsigned ();
ret += test_octet_string ();
ret += test_general_string ();
ret += test_generalized_time ();
return ret;
}