mirror of https://github.com/openssl/openssl.git
				
				
				
			
		
			
				
	
	
		
			105 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
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 *
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 * Licensed under the OpenSSL license (the "License").  You may not use
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 * this file except in compliance with the License.  You can obtain a copy
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 * in the file LICENSE in the source distribution or at
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 * https://www.openssl.org/source/license.html
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 */
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#include <stdio.h>
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#include <assert.h>
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#include <string.h>
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#include <stdlib.h>
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#include <openssl/crypto.h>
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static long sargl;
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static void *sargp;
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static int sidx;
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static void exnew(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
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          int idx, long argl, void *argp)
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{
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    assert(idx == sidx);
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    assert(argl == sargl);
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    assert(argp == sargp);
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}
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static int exdup(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
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          void *from_d, int idx, long argl, void *argp)
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{
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    assert(idx == sidx);
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    assert(argl == sargl);
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    assert(argp == sargp);
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    return 0;
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}
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static void exfree(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
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            int idx, long argl, void *argp)
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{
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    assert(idx == sidx);
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    assert(argl == sargl);
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    assert(argp == sargp);
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}
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typedef struct myobj_st {
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    CRYPTO_EX_DATA ex_data;
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    int id;
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} MYOBJ;
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static MYOBJ *MYOBJ_new()
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{
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    static int count = 0;
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    MYOBJ *obj = OPENSSL_malloc(sizeof(*obj));
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    int st;
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    obj->id = ++count;
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    st = CRYPTO_new_ex_data(CRYPTO_EX_INDEX_APP, obj, &obj->ex_data);
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    assert(st != 0);
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    return obj;
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}
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static void MYOBJ_sethello(MYOBJ *obj, char *cp)
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{
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    int st;
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    st = CRYPTO_set_ex_data(&obj->ex_data, sidx, cp);
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    assert(st != 0);
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}
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static char *MYOBJ_gethello(MYOBJ *obj)
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{
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    return CRYPTO_get_ex_data(&obj->ex_data, sidx);
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}
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static void MYOBJ_free(MYOBJ *obj)
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{
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    CRYPTO_free_ex_data(CRYPTO_EX_INDEX_APP, obj, &obj->ex_data);
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    OPENSSL_free(obj);
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}
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int main()
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{
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    MYOBJ *t1, *t2;
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    const char *cp;
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    char *p;
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    p = strdup("hello world");
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    sargl = 21;
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    sargp = malloc(1);
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    sidx = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_APP, sargl, sargp,
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                                   exnew, exdup, exfree);
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    t1 = MYOBJ_new();
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    t2 = MYOBJ_new();
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    MYOBJ_sethello(t1, p);
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    cp = MYOBJ_gethello(t1);
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    assert(cp == p);
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    cp = MYOBJ_gethello(t2);
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    assert(cp == NULL);
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    MYOBJ_free(t1);
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    MYOBJ_free(t2);
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    free(sargp);
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    free(p);
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    return 0;
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}
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