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test for "der_length.c: Fix len_unsigned for certain negative

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integers, it got the length wrong" , from Panasas, Inc.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13317 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2004-02-07 14:30:07 +00:00
parent a96b264050
commit 387710cab1
1 changed files with 79 additions and 5 deletions
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84
lib/asn1/check-der.c
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@@ -31,11 +31,7 @@
* SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include "der_locl.h"
#include <err.h>
#include <roken.h>
@@ -90,6 +86,83 @@ test_integer (void)
cmp_integer);
}
static int
test_one_int(int val)
{
int len, ret, len_len, dval;
unsigned char *buf;
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 %d, result len %d\n",
val, ret, len, 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 %d != %d",
val, len, 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)
{
@@ -226,6 +299,7 @@ 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 ();