crypto/engine/eng_pkey.c

   1 /*
   2  * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include "eng_local.h"
  11
  12 /* Basic get/set stuff */
  13
  14 int ENGINE_set_load_privkey_function(ENGINE *e,
  15                                      ENGINE_LOAD_KEY_PTR loadpriv_f)
  16 {
  17     e->load_privkey = loadpriv_f;
  18     return 1;
  19 }
  20
  21 int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f)
  22 {
  23     e->load_pubkey = loadpub_f;
  24     return 1;
  25 }
  26
  27 int ENGINE_set_load_ssl_client_cert_function(ENGINE *e,
  28                                              ENGINE_SSL_CLIENT_CERT_PTR
  29                                              loadssl_f)
  30 {
  31     e->load_ssl_client_cert = loadssl_f;
  32     return 1;
  33 }
  34
  35 ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
  36 {
  37     return e->load_privkey;
  38 }
  39
  40 ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e)
  41 {
  42     return e->load_pubkey;
  43 }
  44
  45 ENGINE_SSL_CLIENT_CERT_PTR ENGINE_get_ssl_client_cert_function(const ENGINE
  46                                                                *e)
  47 {
  48     return e->load_ssl_client_cert;
  49 }
  50
  51 /* API functions to load public/private keys */
  52
  53 EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,
  54                                   UI_METHOD *ui_method, void *callback_data)
  55 {
  56     EVP_PKEY *pkey;
  57
  58     if (e == NULL) {
  59         ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
  60                   ERR_R_PASSED_NULL_PARAMETER);
  61         return 0;
  62     }
  63     CRYPTO_THREAD_write_lock(global_engine_lock);
  64     if (e->funct_ref == 0) {
  65         CRYPTO_THREAD_unlock(global_engine_lock);
  66         ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY, ENGINE_R_NOT_INITIALISED);
  67         return 0;
  68     }
  69     CRYPTO_THREAD_unlock(global_engine_lock);
  70     if (!e->load_privkey) {
  71         ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
  72                   ENGINE_R_NO_LOAD_FUNCTION);
  73         return 0;
  74     }
  75     pkey = e->load_privkey(e, key_id, ui_method, callback_data);
  76     if (!pkey) {
  77         ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
  78                   ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
  79         return 0;
  80     }
  81     return pkey;
  82 }
  83
  84 EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
  85                                  UI_METHOD *ui_method, void *callback_data)
  86 {
  87     EVP_PKEY *pkey;
  88
  89     if (e == NULL) {
  90         ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
  91                   ERR_R_PASSED_NULL_PARAMETER);
  92         return 0;
  93     }
  94     CRYPTO_THREAD_write_lock(global_engine_lock);
  95     if (e->funct_ref == 0) {
  96         CRYPTO_THREAD_unlock(global_engine_lock);
  97         ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, ENGINE_R_NOT_INITIALISED);
  98         return 0;
  99     }
 100     CRYPTO_THREAD_unlock(global_engine_lock);
 101     if (!e->load_pubkey) {
 102         ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, ENGINE_R_NO_LOAD_FUNCTION);
 103         return 0;
 104     }
 105     pkey = e->load_pubkey(e, key_id, ui_method, callback_data);
 106     if (!pkey) {
 107         ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
 108                   ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
 109         return 0;
 110     }
 111     return pkey;
 112 }
 113
 114 int ENGINE_load_ssl_client_cert(ENGINE *e, SSL *s,
 115                                 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
 116                                 EVP_PKEY **ppkey, STACK_OF(X509) **pother,
 117                                 UI_METHOD *ui_method, void *callback_data)
 118 {
 119
 120     if (e == NULL) {
 121         ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
 122                   ERR_R_PASSED_NULL_PARAMETER);
 123         return 0;
 124     }
 125     CRYPTO_THREAD_write_lock(global_engine_lock);
 126     if (e->funct_ref == 0) {
 127         CRYPTO_THREAD_unlock(global_engine_lock);
 128         ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
 129                   ENGINE_R_NOT_INITIALISED);
 130         return 0;
 131     }
 132     CRYPTO_THREAD_unlock(global_engine_lock);
 133     if (!e->load_ssl_client_cert) {
 134         ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
 135                   ENGINE_R_NO_LOAD_FUNCTION);
 136         return 0;
 137     }
 138     return e->load_ssl_client_cert(e, s, ca_dn, pcert, ppkey, pother,
 139                                    ui_method, callback_data);
 140 }