135 lines
2.8 KiB
C
135 lines
2.8 KiB
C
/* $OpenBSD: asn1_string_to_utf8.c,v 1.2 2022/11/23 08:51:05 tb Exp $ */
|
|
/*
|
|
* Copyright (c) 2022 Theo Buehler <tb@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 <err.h>
|
|
#include <string.h>
|
|
|
|
#include <openssl/asn1.h>
|
|
|
|
struct asn1_string_to_utf8_test_case {
|
|
const char *description;
|
|
const ASN1_ITEM *item;
|
|
const uint8_t der[32];
|
|
size_t der_len;
|
|
const uint8_t want[32];
|
|
int want_len;
|
|
};
|
|
|
|
static const struct asn1_string_to_utf8_test_case tests[] = {
|
|
{
|
|
.description = "hello",
|
|
.item = &ASN1_PRINTABLESTRING_it,
|
|
.der = {
|
|
0x13, 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f,
|
|
},
|
|
.der_len = 7,
|
|
.want = {
|
|
0x68, 0x65, 0x6c, 0x6c, 0x6f,
|
|
},
|
|
.want_len = 5,
|
|
},
|
|
{
|
|
.description = "face with tears of joy",
|
|
.item = &ASN1_UTF8STRING_it,
|
|
.der = {
|
|
0x0c, 0x04, 0xF0, 0x9F, 0x98, 0x82,
|
|
},
|
|
.der_len = 6,
|
|
.want = {
|
|
0xF0, 0x9F, 0x98, 0x82,
|
|
},
|
|
.want_len = 4,
|
|
},
|
|
{
|
|
.description = "hi",
|
|
.item = &ASN1_IA5STRING_it,
|
|
.der = {
|
|
0x16, 0x02, 0x68, 0x69,
|
|
},
|
|
.der_len = 4,
|
|
.want = {
|
|
0x68, 0x69,
|
|
},
|
|
.want_len = 2,
|
|
},
|
|
};
|
|
|
|
const size_t N_TESTS = sizeof(tests) / sizeof(tests[0]);
|
|
|
|
static int
|
|
asn1_string_to_utf8_test(const struct asn1_string_to_utf8_test_case *test)
|
|
{
|
|
ASN1_STRING *str = NULL;
|
|
const unsigned char *der;
|
|
unsigned char *out = NULL;
|
|
int ret;
|
|
int failed = 1;
|
|
|
|
der = test->der;
|
|
if ((str = (ASN1_STRING *)ASN1_item_d2i(NULL, &der, test->der_len,
|
|
test->item)) == NULL) {
|
|
warnx("ASN1_item_d2i failed");
|
|
goto err;
|
|
}
|
|
|
|
if ((ret = ASN1_STRING_to_UTF8(&out, str)) < 0) {
|
|
warnx("ASN1_STRING_to_UTF8 failed: got %d, want %d", ret,
|
|
test->want_len);
|
|
goto err;
|
|
}
|
|
|
|
if (ret != test->want_len) {
|
|
warnx("ASN1_STRING_to_UTF8: got %d, want %d", ret,
|
|
test->want_len);
|
|
goto err;
|
|
}
|
|
|
|
if (memcmp(out, test->want, test->want_len) != 0) {
|
|
warnx("memcmp failed");
|
|
goto err;
|
|
}
|
|
|
|
failed = 0;
|
|
err:
|
|
ASN1_STRING_free(str);
|
|
free(out);
|
|
|
|
return failed;
|
|
}
|
|
|
|
static int
|
|
asn1_string_to_utf8_tests(void)
|
|
{
|
|
size_t i;
|
|
int failed = 0;
|
|
|
|
for (i = 0; i < N_TESTS; i++)
|
|
failed |= asn1_string_to_utf8_test(&tests[i]);
|
|
|
|
return failed;
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
int failed = 0;
|
|
|
|
failed |= asn1_string_to_utf8_tests();
|
|
|
|
return failed;
|
|
}
|