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openssl/test/asn1_internal_test.c

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/*
* Copyright 1999-2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* Internal tests for the asn1 module */
/*
* RSA low level APIs are deprecated for public use, but still ok for
* internal use.
*/
#include "internal/deprecated.h"
#include <stdio.h>
#include <string.h>
#include <openssl/asn1.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include "testutil.h"
#include "internal/nelem.h"
/**********************************************************************
*
* Test of a_strnid's tbl_standard
*
***/
#include "../crypto/asn1/tbl_standard.h"
static int test_tbl_standard(void)
{
const ASN1_STRING_TABLE *tmp;
int last_nid = -1;
size_t i;
for (tmp = tbl_standard, i = 0; i < OSSL_NELEM(tbl_standard); i++, tmp++) {
if (tmp->nid < last_nid) {
last_nid = 0;
break;
}
last_nid = tmp->nid;
}
if (TEST_int_ne(last_nid, 0)) {
TEST_info("asn1 tbl_standard: Table order OK");
return 1;
}
TEST_info("asn1 tbl_standard: out of order");
for (tmp = tbl_standard, i = 0; i < OSSL_NELEM(tbl_standard); i++, tmp++)
TEST_note("asn1 tbl_standard: Index %zu, NID %d, Name=%s",
i, tmp->nid, OBJ_nid2ln(tmp->nid));
return 0;
}
/**********************************************************************
*
* Test of ameth_lib's standard_methods
*
***/
#include "crypto/asn1.h"
#include "../crypto/asn1/standard_methods.h"
static int test_standard_methods(void)
{
const EVP_PKEY_ASN1_METHOD **tmp;
int last_pkey_id = -1;
size_t i;
int ok = 1;
for (tmp = standard_methods, i = 0; i < OSSL_NELEM(standard_methods);
i++, tmp++) {
if ((*tmp)->pkey_id < last_pkey_id) {
last_pkey_id = 0;
break;
}
last_pkey_id = (*tmp)->pkey_id;
/*
* One of the following must be true:
*
* pem_str == NULL AND ASN1_PKEY_ALIAS is set
* pem_str != NULL AND ASN1_PKEY_ALIAS is clear
*
* Anything else is an error and may lead to a corrupt ASN1 method table
*/
if (!TEST_true(((*tmp)->pem_str == NULL && ((*tmp)->pkey_flags & ASN1_PKEY_ALIAS) != 0)
|| ((*tmp)->pem_str != NULL && ((*tmp)->pkey_flags & ASN1_PKEY_ALIAS) == 0))) {
TEST_note("asn1 standard methods: Index %zu, pkey ID %d, Name=%s",
i, (*tmp)->pkey_id, OBJ_nid2sn((*tmp)->pkey_id));
ok = 0;
}
}
if (TEST_int_ne(last_pkey_id, 0)) {
TEST_info("asn1 standard methods: Table order OK");
return ok;
}
TEST_note("asn1 standard methods: out of order");
for (tmp = standard_methods, i = 0; i < OSSL_NELEM(standard_methods);
i++, tmp++)
TEST_note("asn1 standard methods: Index %zu, pkey ID %d, Name=%s",
i, (*tmp)->pkey_id, OBJ_nid2sn((*tmp)->pkey_id));
return 0;
}
/**********************************************************************
*
* Test of that i2d fail on non-existing non-optional items
*
***/
#include <openssl/rsa.h>
static int test_empty_nonoptional_content(void)
{
RSA *rsa = NULL;
BIGNUM *n = NULL;
BIGNUM *e = NULL;
int ok = 0;
if (!TEST_ptr(rsa = RSA_new())
|| !TEST_ptr(n = BN_new())
|| !TEST_ptr(e = BN_new())
|| !TEST_true(RSA_set0_key(rsa, n, e, NULL)))
goto end;
n = e = NULL; /* They are now "owned" by |rsa| */
/*
* This SHOULD fail, as we're trying to encode a public key as a private
* key. The private key bits MUST be present for a proper RSAPrivateKey.
*/
if (TEST_int_le(i2d_RSAPrivateKey(rsa, NULL), 0))
ok = 1;
end:
RSA_free(rsa);
BN_free(n);
BN_free(e);
return ok;
}
/**********************************************************************
*
* Tests of the Unicode code point range
*
***/
static int test_unicode(const unsigned char *univ, size_t len, int expected)
{
const unsigned char *end = univ + len;
int ok = 1;
for (; univ < end; univ += 4) {
if (!TEST_int_eq(ASN1_mbstring_copy(NULL, univ, 4, MBSTRING_UNIV,
B_ASN1_UTF8STRING),
expected))
ok = 0;
}
return ok;
}
static int test_unicode_range(void)
{
const unsigned char univ_ok[] = "\0\0\0\0"
"\0\0\xd7\xff"
"\0\0\xe0\x00"
"\0\x10\xff\xff";
const unsigned char univ_bad[] = "\0\0\xd8\x00"
"\0\0\xdf\xff"
"\0\x11\x00\x00"
"\x80\x00\x00\x00"
"\xff\xff\xff\xff";
int ok = 1;
if (!test_unicode(univ_ok, sizeof univ_ok - 1, V_ASN1_UTF8STRING))
ok = 0;
if (!test_unicode(univ_bad, sizeof univ_bad - 1, -1))
ok = 0;
return ok;
}
/**********************************************************************
*
* Tests of object creation
*
***/
static int test_obj_create_once(const char *oid, const char *sn, const char *ln)
{
int nid;
ERR_set_mark();
nid = OBJ_create(oid, sn, ln);
if (nid == NID_undef) {
unsigned long err = ERR_peek_last_error();
int l = ERR_GET_LIB(err);
int r = ERR_GET_REASON(err);
/* If it exists, that's fine, otherwise not */
if (l != ERR_LIB_OBJ || r != OBJ_R_OID_EXISTS) {
ERR_clear_last_mark();
return 0;
}
}
ERR_pop_to_mark();
return 1;
}
static int test_obj_create(void)
{
/* Stolen from evp_extra_test.c */
#define arc "1.3.6.1.4.1.16604.998866."
#define broken_arc "25."
#define sn_prefix "custom"
#define ln_prefix "custom"
/* Try different combinations of correct object creation */
if (!TEST_true(test_obj_create_once(NULL, sn_prefix "1", NULL))
|| !TEST_int_ne(OBJ_sn2nid(sn_prefix "1"), NID_undef)
|| !TEST_true(test_obj_create_once(NULL, NULL, ln_prefix "2"))
|| !TEST_int_ne(OBJ_ln2nid(ln_prefix "2"), NID_undef)
|| !TEST_true(test_obj_create_once(NULL, sn_prefix "3", ln_prefix "3"))
|| !TEST_int_ne(OBJ_sn2nid(sn_prefix "3"), NID_undef)
|| !TEST_int_ne(OBJ_ln2nid(ln_prefix "3"), NID_undef)
|| !TEST_true(test_obj_create_once(arc "4", NULL, NULL))
|| !TEST_true(test_obj_create_once(arc "5", sn_prefix "5", NULL))
|| !TEST_int_ne(OBJ_sn2nid(sn_prefix "5"), NID_undef)
|| !TEST_true(test_obj_create_once(arc "6", NULL, ln_prefix "6"))
|| !TEST_int_ne(OBJ_ln2nid(ln_prefix "6"), NID_undef)
|| !TEST_true(test_obj_create_once(arc "7",
sn_prefix "7", ln_prefix "7"))
|| !TEST_int_ne(OBJ_sn2nid(sn_prefix "7"), NID_undef)
|| !TEST_int_ne(OBJ_ln2nid(ln_prefix "7"), NID_undef))
return 0;
if (!TEST_false(test_obj_create_once(NULL, NULL, NULL))
|| !TEST_false(test_obj_create_once(broken_arc "8",
sn_prefix "8", ln_prefix "8")))
return 0;
return 1;
}
static int test_obj_nid_undef(void)
{
if (!TEST_ptr(OBJ_nid2obj(NID_undef))
|| !TEST_ptr(OBJ_nid2sn(NID_undef))
|| !TEST_ptr(OBJ_nid2ln(NID_undef)))
return 0;
return 1;
}
int setup_tests(void)
{
ADD_TEST(test_tbl_standard);
ADD_TEST(test_standard_methods);
ADD_TEST(test_empty_nonoptional_content);
ADD_TEST(test_unicode_range);
ADD_TEST(test_obj_create);
ADD_TEST(test_obj_nid_undef);
return 1;
}
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