test/exdatatest.c

   1 /* ====================================================================
   2  * Copyright (c) 2015 The OpenSSL Project.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  *
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in
  13  *    the documentation and/or other materials provided with the
  14  *    distribution.
  15  *
  16  * 3. All advertising materials mentioning features or use of this
  17  *    software must display the following acknowledgment:
  18  *    "This product includes software developed by the OpenSSL Project
  19  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  20  *
  21  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  22  *    endorse or promote products derived from this software without
  23  *    prior written permission. For written permission, please contact
  24  *    openssl-core@openssl.org.
  25  *
  26  * 5. Products derived from this software may not be called "OpenSSL"
  27  *    nor may "OpenSSL" appear in their names without prior written
  28  *    permission of the OpenSSL Project.
  29  *
  30  * 6. Redistributions of any form whatsoever must retain the following
  31  *    acknowledgment:
  32  *    "This product includes software developed by the OpenSSL Project
  33  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  34  *
  35  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  36  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  37  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  38  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  39  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  40  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  41  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  42  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  43  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  44  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  45  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  46  * OF THE POSSIBILITY OF SUCH DAMAGE.
  47  * ====================================================================
  48  *
  49  * This product includes cryptographic software written by Eric Young
  50  * (eay@cryptsoft.com).  This product includes software written by Tim
  51  * Hudson (tjh@cryptsoft.com).
  52  *
  53  */
  54 #include <stdio.h>
  55 #include <assert.h>
  56 #include <string.h>
  57 #include <stdlib.h>
  58 #include <openssl/crypto.h>
  59
  60 static long sargl;
  61 static void *sargp;
  62 static int sidx;
  63
  64 static void exnew(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
  65           int idx, long argl, void *argp)
  66 {
  67     assert(idx == sidx);
  68     assert(argl == sargl);
  69     assert(argp == sargp);
  70 }
  71
  72 static int exdup(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
  73           void *from_d, int idx, long argl, void *argp)
  74 {
  75     assert(idx == sidx);
  76     assert(argl == sargl);
  77     assert(argp == sargp);
  78     return 0;
  79 }
  80
  81 static void exfree(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
  82             int idx, long argl, void *argp)
  83 {
  84     assert(idx == sidx);
  85     assert(argl == sargl);
  86     assert(argp == sargp);
  87 }
  88
  89 typedef struct myobj_st {
  90     CRYPTO_EX_DATA ex_data;
  91     int id;
  92 } MYOBJ;
  93
  94 static MYOBJ *MYOBJ_new()
  95 {
  96     static int count = 0;
  97     MYOBJ *obj = OPENSSL_malloc(sizeof(*obj));
  98     int st;
  99
 100     obj->id = ++count;
 101     st = CRYPTO_new_ex_data(CRYPTO_EX_INDEX_APP, obj, &obj->ex_data);
 102     assert(st != 0);
 103     return obj;
 104 }
 105
 106 static void MYOBJ_sethello(MYOBJ *obj, char *cp)
 107 {
 108     int st;
 109
 110     st = CRYPTO_set_ex_data(&obj->ex_data, sidx, cp);
 111     assert(st != 0);
 112 }
 113
 114 static char *MYOBJ_gethello(MYOBJ *obj)
 115 {
 116     return CRYPTO_get_ex_data(&obj->ex_data, sidx);
 117 }
 118
 119 static void MYOBJ_free(MYOBJ *obj)
 120 {
 121     CRYPTO_free_ex_data(CRYPTO_EX_INDEX_APP, obj, &obj->ex_data);
 122     OPENSSL_free(obj);
 123 }
 124
 125 int main()
 126 {
 127     MYOBJ *t1, *t2;
 128     const char *cp;
 129     char *p;
 130
 131     p = strdup("hello world");
 132     sargl = 21;
 133     sargp = malloc(1);
 134     sidx = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_APP, sargl, sargp,
 135                                    exnew, exdup, exfree);
 136     t1 = MYOBJ_new();
 137     t2 = MYOBJ_new();
 138     MYOBJ_sethello(t1, p);
 139     cp = MYOBJ_gethello(t1);
 140     assert(cp == p);
 141     cp = MYOBJ_gethello(t2);
 142     assert(cp == NULL);
 143     MYOBJ_free(t1);
 144     MYOBJ_free(t2);
 145     free(sargp);
 146     free(p);
 147     return 0;
 148 }