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/*
* Copyright 2015-2017 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <openssl/crypto.h>
static long saved_argl;
static void *saved_argp;
static int saved_idx;
static void exnew(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
int idx, long argl, void *argp)
{
assert(idx == saved_idx);
assert(argl == saved_argl);
assert(argp == saved_argp);
}
static int exdup(CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from,
void *from_d, int idx, long argl, void *argp)
{
assert(idx == saved_idx);
assert(argl == saved_argl);
assert(argp == saved_argp);
return 0;
}
static void exfree(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
int idx, long argl, void *argp)
{
assert(idx == saved_idx);
assert(argl == saved_argl);
assert(argp == saved_argp);
}
typedef struct myobj_st {
CRYPTO_EX_DATA ex_data;
int id;
int st;
} MYOBJ;
static MYOBJ *MYOBJ_new()
{
static int count = 0;
MYOBJ *obj = OPENSSL_malloc(sizeof(*obj));
obj->id = ++count;
obj->st = CRYPTO_new_ex_data(CRYPTO_EX_INDEX_APP, obj, &obj->ex_data);
assert(obj->st != 0);
return obj;
}
static void MYOBJ_sethello(MYOBJ *obj, char *cp)
{
obj->st = CRYPTO_set_ex_data(&obj->ex_data, saved_idx, cp);
assert(obj->st != 0);
}
static char *MYOBJ_gethello(MYOBJ *obj)
{
return CRYPTO_get_ex_data(&obj->ex_data, saved_idx);
}
static void MYOBJ_free(MYOBJ *obj)
{
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_APP, obj, &obj->ex_data);
OPENSSL_free(obj);
}
int main()
{
MYOBJ *t1, *t2;
const char *cp;
char *p;
p = strdup("hello world");
saved_argl = 21;
saved_argp = malloc(1);
saved_idx = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_APP,
saved_argl, saved_argp,
exnew, exdup, exfree);
t1 = MYOBJ_new();
t2 = MYOBJ_new();
MYOBJ_sethello(t1, p);
cp = MYOBJ_gethello(t1);
assert(cp == p);
if (cp != p)
return 1;
cp = MYOBJ_gethello(t2);
assert(cp == NULL);
if (cp != NULL)
return 1;
MYOBJ_free(t1);
MYOBJ_free(t2);
free(saved_argp);
free(p);
return 0;
}
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