crypto/engine/eng_pkey.c

   1 /* crypto/engine/eng_pkey.c */
   2 /* ====================================================================
   3  * Copyright (c) 1999-2001 The OpenSSL Project.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in
  14  *    the documentation and/or other materials provided with the
  15  *    distribution.
  16  *
  17  * 3. All advertising materials mentioning features or use of this
  18  *    software must display the following acknowledgment:
  19  *    "This product includes software developed by the OpenSSL Project
  20  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  21  *
  22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  23  *    endorse or promote products derived from this software without
  24  *    prior written permission. For written permission, please contact
  25  *    licensing@OpenSSL.org.
  26  *
  27  * 5. Products derived from this software may not be called "OpenSSL"
  28  *    nor may "OpenSSL" appear in their names without prior written
  29  *    permission of the OpenSSL Project.
  30  *
  31  * 6. Redistributions of any form whatsoever must retain the following
  32  *    acknowledgment:
  33  *    "This product includes software developed by the OpenSSL Project
  34  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  35  *
  36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  47  * OF THE POSSIBILITY OF SUCH DAMAGE.
  48  * ====================================================================
  49  *
  50  * This product includes cryptographic software written by Eric Young
  51  * (eay@cryptsoft.com).  This product includes software written by Tim
  52  * Hudson (tjh@cryptsoft.com).
  53  *
  54  */
  55
  56 #include "eng_int.h"
  57
  58 /* Basic get/set stuff */
  59
  60 int ENGINE_set_load_privkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpriv_f)
  61         {
  62         e->load_privkey = loadpriv_f;
  63         return 1;
  64         }
  65
  66 int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f)
  67         {
  68         e->load_pubkey = loadpub_f;
  69         return 1;
  70         }
  71
  72 int ENGINE_set_load_ssl_client_cert_function(ENGINE *e,
  73                                 ENGINE_SSL_CLIENT_CERT_PTR loadssl_f)
  74         {
  75         e->load_ssl_client_cert = loadssl_f;
  76         return 1;
  77         }
  78
  79 ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
  80         {
  81         return e->load_privkey;
  82         }
  83
  84 ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e)
  85         {
  86         return e->load_pubkey;
  87         }
  88
  89 ENGINE_SSL_CLIENT_CERT_PTR ENGINE_get_ssl_client_cert_function(const ENGINE *e)
  90         {
  91         return e->load_ssl_client_cert;
  92         }
  93
  94 /* API functions to load public/private keys */
  95
  96 EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,
  97         UI_METHOD *ui_method, void *callback_data)
  98         {
  99         EVP_PKEY *pkey;
 100
 101         if(e == NULL)
 102                 {
 103                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
 104                         ERR_R_PASSED_NULL_PARAMETER);
 105                 return 0;
 106                 }
 107         CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
 108         if(e->funct_ref == 0)
 109                 {
 110                 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 111                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
 112                         ENGINE_R_NOT_INITIALISED);
 113                 return 0;
 114                 }
 115         CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 116         if (!e->load_privkey)
 117                 {
 118                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
 119                         ENGINE_R_NO_LOAD_FUNCTION);
 120                 return 0;
 121                 }
 122         pkey = e->load_privkey(e, key_id, ui_method, callback_data);
 123         if (!pkey)
 124                 {
 125                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
 126                         ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
 127                 return 0;
 128                 }
 129         return pkey;
 130         }
 131
 132 EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
 133         UI_METHOD *ui_method, void *callback_data)
 134         {
 135         EVP_PKEY *pkey;
 136
 137         if(e == NULL)
 138                 {
 139                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
 140                         ERR_R_PASSED_NULL_PARAMETER);
 141                 return 0;
 142                 }
 143         CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
 144         if(e->funct_ref == 0)
 145                 {
 146                 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 147                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
 148                         ENGINE_R_NOT_INITIALISED);
 149                 return 0;
 150                 }
 151         CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 152         if (!e->load_pubkey)
 153                 {
 154                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
 155                         ENGINE_R_NO_LOAD_FUNCTION);
 156                 return 0;
 157                 }
 158         pkey = e->load_pubkey(e, key_id, ui_method, callback_data);
 159         if (!pkey)
 160                 {
 161                 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
 162                         ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
 163                 return 0;
 164                 }
 165         return pkey;
 166         }
 167
 168 int ENGINE_load_ssl_client_cert(ENGINE *e, SSL *s,
 169         STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **ppkey,
 170         STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data)
 171         {
 172
 173         if(e == NULL)
 174                 {
 175                 ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
 176                         ERR_R_PASSED_NULL_PARAMETER);
 177                 return 0;
 178                 }
 179         CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
 180         if(e->funct_ref == 0)
 181                 {
 182                 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 183                 ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
 184                         ENGINE_R_NOT_INITIALISED);
 185                 return 0;
 186                 }
 187         CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
 188         if (!e->load_ssl_client_cert)
 189                 {
 190                 ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
 191                         ENGINE_R_NO_LOAD_FUNCTION);
 192                 return 0;
 193                 }
 194         return e->load_ssl_client_cert(e, s, ca_dn, pcert, ppkey, pother,
 195                                         ui_method, callback_data);
 196         }