crypto/bio/bio_meth.c

   1 /* ====================================================================
   2  * Copyright (c) 2016 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
  55 #include "bio_lcl.h"
  56
  57 BIO_METHOD *BIO_meth_new(int type, const char *name)
  58 {
  59     BIO_METHOD *biom = OPENSSL_zalloc(sizeof(BIO_METHOD));
  60
  61     if (biom != NULL) {
  62         biom->type = type;
  63         biom->name = name;
  64     }
  65     return biom;
  66 }
  67
  68 void BIO_meth_free(BIO_METHOD *biom)
  69 {
  70     OPENSSL_free(biom);
  71 }
  72
  73 int (*BIO_meth_get_write(BIO_METHOD *biom)) (BIO *, const char *, int)
  74 {
  75     return biom->bwrite;
  76 }
  77
  78 int BIO_meth_set_write(BIO_METHOD *biom,
  79                        int (*write) (BIO *, const char *, int))
  80 {
  81     biom->bwrite = write;
  82     return 1;
  83 }
  84
  85 int (*BIO_meth_get_read(BIO_METHOD *biom)) (BIO *, char *, int)
  86 {
  87     return biom->bread;
  88 }
  89
  90 int BIO_meth_set_read(BIO_METHOD *biom,
  91                       int (*read) (BIO *, char *, int))
  92 {
  93     biom->bread = read;
  94     return 1;
  95 }
  96
  97 int (*BIO_meth_get_puts(BIO_METHOD *biom)) (BIO *, const char *)
  98 {
  99     return biom->bputs;
 100 }
 101
 102 int BIO_meth_set_puts(BIO_METHOD *biom,
 103                       int (*puts) (BIO *, const char *))
 104 {
 105     biom->bputs = puts;
 106     return 1;
 107 }
 108
 109 int (*BIO_meth_get_gets(BIO_METHOD *biom)) (BIO *, char *, int)
 110 {
 111     return biom->bgets;
 112 }
 113
 114 int BIO_meth_set_gets(BIO_METHOD *biom,
 115                       int (*gets) (BIO *, char *, int))
 116 {
 117     biom->bgets = gets;
 118     return 1;
 119 }
 120
 121 long (*BIO_meth_get_ctrl(BIO_METHOD *biom)) (BIO *, int, long, void *)
 122 {
 123     return biom->ctrl;
 124 }
 125
 126 int BIO_meth_set_ctrl(BIO_METHOD *biom,
 127                       long (*ctrl) (BIO *, int, long, void *))
 128 {
 129     biom->ctrl = ctrl;
 130     return 1;
 131 }
 132
 133 int (*BIO_meth_get_create(BIO_METHOD *biom)) (BIO *)
 134 {
 135     return biom->create;
 136 }
 137
 138 int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *))
 139 {
 140     biom->create = create;
 141     return 1;
 142 }
 143
 144 int (*BIO_meth_get_destroy(BIO_METHOD *biom)) (BIO *)
 145 {
 146     return biom->destroy;
 147 }
 148
 149 int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *))
 150 {
 151     biom->destroy = destroy;
 152     return 1;
 153 }
 154
 155 long (*BIO_meth_get_callback_ctrl(BIO_METHOD *biom)) (BIO *, int, bio_info_cb *)
 156 {
 157     return biom->callback_ctrl;
 158 }
 159
 160 int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
 161                                long (*callback_ctrl) (BIO *, int,
 162                                                       bio_info_cb *))
 163 {
 164     biom->callback_ctrl = callback_ctrl;
 165     return 1;
 166 }