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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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