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/* $OpenBSD: exdata_test.c,v 1.3 2024/10/02 14:12:21 jsing Exp $ */
/*
* Copyright (c) 2023 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 <stdio.h>
#include <string.h>
#include <openssl/crypto.h>
static int ex_new_calls;
static int ex_free_calls;
static int ex_dup_calls;
static int
ex_new(void *parent, void *ptr, CRYPTO_EX_DATA *ad, int idx, long argl,
void *argp)
{
long *arg = argp;
if (ptr != NULL) {
fprintf(stderr, "FAIL: ex_new() called with ptr != NULL\n");
return 0;
}
if (argl != 1234 || *arg != 1234) {
fprintf(stderr, "FAIL: ex_new() with bad arguments\n");
return 0;
}
ex_new_calls++;
return 1;
}
static int
ex_dup(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from, void *from_d,
int idx, long argl, void *argp)
{
long *arg = argp;
if (argl != 1234 || *arg != 1234) {
fprintf(stderr, "FAIL: ex_dup() with bad arguments\n");
return 0;
}
ex_dup_calls++;
return 1;
}
static void
ex_free(void *parent, void *ptr, CRYPTO_EX_DATA *ad, int idx,
long argl, void *argp)
{
long *arg = argp;
if (argl != 1234 || *arg != 1234) {
fprintf(stderr, "FAIL: ex_free() with bad arguments\n");
return;
}
ex_free_calls++;
}
struct exdata {
CRYPTO_EX_DATA exdata;
int val;
};
static int
ex_data_test(void)
{
struct exdata exdata1, exdata2, exdata3, exdata4;
void *argp;
long argl;
int idx1, idx2;
int failed = 1;
memset(&exdata1, 0, sizeof(exdata1));
memset(&exdata2, 0, sizeof(exdata2));
memset(&exdata3, 0, sizeof(exdata3));
memset(&exdata4, 0, sizeof(exdata4));
argl = 1234;
argp = &argl;
if ((idx1 = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, argl, argp,
ex_new, ex_dup, ex_free)) < 0) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_new_index failed\n");
goto failure;
}
if (idx1 == 0) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_new_index() returned 0 "
"(reserved for internal use)\n");
goto failure;
}
if ((idx2 = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, 0, NULL,
NULL, NULL, NULL)) < 0) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_new_index failed\n");
goto failure;
}
if (idx1 == idx2) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_new_index() returned the "
"same value\n");
goto failure;
}
if (idx2 < idx1) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_new_index() returned "
"idx2 < idx1\n");
goto failure;
}
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_RSA, &exdata1, &exdata1.exdata)) {
fprintf(stderr, "FAIL: CRYPTO_new_ex_data() failed\n");
goto failure;
}
if (!CRYPTO_set_ex_data(&exdata1.exdata, idx2, &idx2)) {
fprintf(stderr, "FAIL: CRYPTO_set_ex_data() failed with index 2\n");
goto failure;
}
if (!CRYPTO_set_ex_data(&exdata1.exdata, idx1, &idx1)) {
fprintf(stderr, "FAIL: CRYPTO_set_ex_data() failed with index 1\n");
goto failure;
}
if (CRYPTO_get_ex_data(&exdata1.exdata, idx1) != &idx1) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_data() failed with index 1\n");
goto failure;
}
if (CRYPTO_get_ex_data(&exdata1.exdata, idx2) != &idx2) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_data() failed with index 2\n");
goto failure;
}
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_RSA, &exdata2.exdata,
&exdata1.exdata)) {
fprintf(stderr, "FAIL: CRYPTO_dup_ex_data() failed\n");
goto failure;
}
if (CRYPTO_get_ex_data(&exdata2.exdata, idx1) != &idx1) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_data() failed after dup\n");
goto failure;
}
if (CRYPTO_get_ex_data(&exdata2.exdata, idx2) != &idx2) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_data() failed after dup\n");
goto failure;
}
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, &exdata1, &exdata1.exdata);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, &exdata2, &exdata2.exdata);
if (ex_new_calls != 1) {
fprintf(stderr, "FAIL: got %d ex_new calls, want %d\n",
ex_new_calls, 1);
goto failure;
}
if (ex_dup_calls != 1) {
fprintf(stderr, "FAIL: got %d ex_dup calls, want %d\n",
ex_dup_calls, 1);
goto failure;
}
if (ex_free_calls != 2) {
fprintf(stderr, "FAIL: got %d ex_free calls, want %d\n",
ex_free_calls, 2);
goto failure;
}
/* The current implementation allows for data to be set without new. */
if (!CRYPTO_set_ex_data(&exdata3.exdata, idx1, &idx1)) {
fprintf(stderr, "FAIL: CRYPTO_set_ex_data() failed with index "
"1 (without new)\n");
goto failure;
}
if (CRYPTO_get_ex_data(&exdata3.exdata, idx1) != &idx1) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_data() failed with index "
"1 (without new)\n");
goto failure;
}
/* And indexes can be used without allocation. */
if (!CRYPTO_set_ex_data(&exdata3.exdata, idx2 + 1, &idx2)) {
fprintf(stderr, "FAIL: CRYPTO_set_ex_data() failed with index "
"%d (unallocated)\n", idx2 + 1);
goto failure;
}
if (CRYPTO_get_ex_data(&exdata3.exdata, idx2 + 1) != &idx2) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_data() failed with index "
"%d\n", idx2 + 1);
goto failure;
}
/* And new can be called without getting any index first. */
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, &exdata4, &exdata4.exdata)) {
fprintf(stderr, "FAIL: CRYPTO_new_ex_data() failed with "
"uninitialised index\n");
goto failure;
}
/* And dup can be called after new or without new... */
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_RSA, &exdata1, &exdata1.exdata)) {
fprintf(stderr, "FAIL: CRYPTO_new_ex_data() failed\n");
goto failure;
}
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_RSA, &exdata2.exdata,
&exdata1.exdata)) {
fprintf(stderr, "FAIL: CRYPTO_dup_ex_data() after new failed\n");
goto failure;
}
failed = 0;
failure:
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, &exdata1, &exdata1.exdata);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, &exdata2, &exdata2.exdata);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_RSA, &exdata3, &exdata3.exdata);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, &exdata4, &exdata4.exdata);
return failed;
}
static int
ex_new_index_test(void)
{
int failed = 1;
int idx;
if ((idx = CRYPTO_get_ex_new_index(-1, 0, NULL, NULL, NULL,
NULL)) > 0) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_new_index() succeeded with "
"negative class\n");
goto failure;
}
if ((idx = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX__COUNT, 0,
NULL, NULL, NULL, NULL)) > 0) {
fprintf(stderr, "FAIL: CRYPTO_get_ex_new_index() succeeded with "
"class exceeding maximum\n");
goto failure;
}
failed = 0;
failure:
return failed;
}
int
main(int argc, char **argv)
{
int failed = 0;
failed |= ex_data_test();
failed |= ex_new_index_test();
/* Force a clean up. */
CRYPTO_cleanup_all_ex_data();
return failed;
}
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