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/* $OpenBSD: asn1basic.c,v 1.1 2021/12/09 16:30:05 jsing Exp $ */
/*
* Copyright (c) 2017, 2021 Joel Sing <jsing@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <openssl/asn1.h>
#include <err.h>
#include <stdio.h>
#include <string.h>
static void
hexdump(const unsigned char *buf, size_t len)
{
size_t i;
for (i = 1; i <= len; i++)
fprintf(stderr, " 0x%02hhx,%s", buf[i - 1], i % 8 ? "" : "\n");
fprintf(stderr, "\n");
}
static int
asn1_compare_bytes(const char *label, const unsigned char *d1, int len1,
const unsigned char *d2, int len2)
{
if (len1 != len2) {
fprintf(stderr, "FAIL: %s - byte lengths differ "
"(%i != %i)\n", label, len1, len2);
return 0;
}
if (memcmp(d1, d2, len1) != 0) {
fprintf(stderr, "FAIL: %s - bytes differ\n", label);
fprintf(stderr, "Got:\n");
hexdump(d1, len1);
fprintf(stderr, "Want:\n");
hexdump(d2, len2);
return 0;
}
return 1;
}
const uint8_t asn1_boolean_false[] = {
0x01, 0x01, 0x00,
};
const uint8_t asn1_boolean_true[] = {
0x01, 0x01, 0x01,
};
static int
asn1_boolean_test(void)
{
uint8_t *p = NULL, *pp;
const uint8_t *q;
int len;
int failed = 1;
if ((len = i2d_ASN1_BOOLEAN(0, NULL)) < 0) {
fprintf(stderr, "FAIL: i2d_ASN1_BOOLEAN false with NULL\n");
goto failed;
}
if ((p = calloc(1, len)) == NULL)
errx(1, "calloc");
pp = p;
if ((i2d_ASN1_BOOLEAN(0, &pp)) != len) {
fprintf(stderr, "FAIL: i2d_ASN1_BOOLEAN false\n");
goto failed;
}
if (!asn1_compare_bytes("BOOLEAN false", p, len, asn1_boolean_false,
sizeof(asn1_boolean_false)))
goto failed;
q = p;
if (d2i_ASN1_BOOLEAN(NULL, &q, len) != 0) {
fprintf(stderr, "FAIL: BOOLEAN false did not decode to 0\n");
goto failed;
}
free(p);
p = NULL;
if ((len = i2d_ASN1_BOOLEAN(1, NULL)) < 0) {
fprintf(stderr, "FAIL: i2d_ASN1_BOOLEAN true with NULL\n");
goto failed;
}
if ((p = calloc(1, len)) == NULL)
errx(1, "calloc");
pp = p;
if ((i2d_ASN1_BOOLEAN(1, &pp)) != len) {
fprintf(stderr, "FAIL: i2d_ASN1_BOOLEAN true\n");
goto failed;
}
if (!asn1_compare_bytes("BOOLEAN true", p, len, asn1_boolean_true,
sizeof(asn1_boolean_true)))
goto failed;
q = p;
if (d2i_ASN1_BOOLEAN(NULL, &q, len) != 1) {
fprintf(stderr, "FAIL: BOOLEAN true did not decode to 0\n");
goto failed;
}
failed = 0;
failed:
free(p);
return failed;
}
int
main(int argc, char **argv)
{
int failed = 0;
failed |= asn1_boolean_test();
return (failed);
}
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