mirror of
https://github.com/openssl/openssl.git
synced 2024-12-15 06:01:37 +08:00
105 lines
2.3 KiB
C
105 lines
2.3 KiB
C
/*
|
|
* Copyright 2015-2016 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 <assert.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <openssl/crypto.h>
|
|
|
|
static long sargl;
|
|
static void *sargp;
|
|
static int sidx;
|
|
|
|
static void exnew(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
|
|
int idx, long argl, void *argp)
|
|
{
|
|
assert(idx == sidx);
|
|
assert(argl == sargl);
|
|
assert(argp == sargp);
|
|
}
|
|
|
|
static int exdup(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
|
|
void *from_d, int idx, long argl, void *argp)
|
|
{
|
|
assert(idx == sidx);
|
|
assert(argl == sargl);
|
|
assert(argp == sargp);
|
|
return 0;
|
|
}
|
|
|
|
static void exfree(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
|
|
int idx, long argl, void *argp)
|
|
{
|
|
assert(idx == sidx);
|
|
assert(argl == sargl);
|
|
assert(argp == sargp);
|
|
}
|
|
|
|
typedef struct myobj_st {
|
|
CRYPTO_EX_DATA ex_data;
|
|
int id;
|
|
} MYOBJ;
|
|
|
|
static MYOBJ *MYOBJ_new()
|
|
{
|
|
static int count = 0;
|
|
MYOBJ *obj = OPENSSL_malloc(sizeof(*obj));
|
|
int st;
|
|
|
|
obj->id = ++count;
|
|
st = CRYPTO_new_ex_data(CRYPTO_EX_INDEX_APP, obj, &obj->ex_data);
|
|
assert(st != 0);
|
|
return obj;
|
|
}
|
|
|
|
static void MYOBJ_sethello(MYOBJ *obj, char *cp)
|
|
{
|
|
int st;
|
|
|
|
st = CRYPTO_set_ex_data(&obj->ex_data, sidx, cp);
|
|
assert(st != 0);
|
|
}
|
|
|
|
static char *MYOBJ_gethello(MYOBJ *obj)
|
|
{
|
|
return CRYPTO_get_ex_data(&obj->ex_data, sidx);
|
|
}
|
|
|
|
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");
|
|
sargl = 21;
|
|
sargp = malloc(1);
|
|
sidx = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_APP, sargl, sargp,
|
|
exnew, exdup, exfree);
|
|
t1 = MYOBJ_new();
|
|
t2 = MYOBJ_new();
|
|
MYOBJ_sethello(t1, p);
|
|
cp = MYOBJ_gethello(t1);
|
|
assert(cp == p);
|
|
cp = MYOBJ_gethello(t2);
|
|
assert(cp == NULL);
|
|
MYOBJ_free(t1);
|
|
MYOBJ_free(t2);
|
|
free(sargp);
|
|
free(p);
|
|
return 0;
|
|
}
|