crypto/engine/eng_pkey.c

   1 /*
   2  * Copyright 2001-2024 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 /* We need to use some engine deprecated APIs */
  11 #define OPENSSL_SUPPRESS_DEPRECATED
  12
  13 #include "eng_local.h"
  14
  15 /* Basic get/set stuff */
  16
  17 int ENGINE_set_load_privkey_function(ENGINE *e,
  18                                      ENGINE_LOAD_KEY_PTR loadpriv_f)
  19 {
  20     e->load_privkey = loadpriv_f;
  21     return 1;
  22 }
  23
  24 int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f)
  25 {
  26     e->load_pubkey = loadpub_f;
  27     return 1;
  28 }
  29
  30 int ENGINE_set_load_ssl_client_cert_function(ENGINE *e,
  31                                              ENGINE_SSL_CLIENT_CERT_PTR
  32                                              loadssl_f)
  33 {
  34     e->load_ssl_client_cert = loadssl_f;
  35     return 1;
  36 }
  37
  38 ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
  39 {
  40     return e->load_privkey;
  41 }
  42
  43 ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e)
  44 {
  45     return e->load_pubkey;
  46 }
  47
  48 ENGINE_SSL_CLIENT_CERT_PTR ENGINE_get_ssl_client_cert_function(const ENGINE
  49                                                                *e)
  50 {
  51     return e->load_ssl_client_cert;
  52 }
  53
  54 /* API functions to load public/private keys */
  55
  56 EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,
  57                                   UI_METHOD *ui_method, void *callback_data)
  58 {
  59     EVP_PKEY *pkey;
  60
  61     if (e == NULL) {
  62         ERR_raise(ERR_LIB_ENGINE, ERR_R_PASSED_NULL_PARAMETER);
  63         return NULL;
  64     }
  65     if (!CRYPTO_THREAD_write_lock(global_engine_lock))
  66         return NULL;
  67     if (e->funct_ref == 0) {
  68         CRYPTO_THREAD_unlock(global_engine_lock);
  69         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NOT_INITIALISED);
  70         return NULL;
  71     }
  72     CRYPTO_THREAD_unlock(global_engine_lock);
  73     if (!e->load_privkey) {
  74         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NO_LOAD_FUNCTION);
  75         return NULL;
  76     }
  77     pkey = e->load_privkey(e, key_id, ui_method, callback_data);
  78     if (pkey == NULL) {
  79         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
  80         return NULL;
  81     }
  82     return pkey;
  83 }
  84
  85 EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
  86                                  UI_METHOD *ui_method, void *callback_data)
  87 {
  88     EVP_PKEY *pkey;
  89
  90     if (e == NULL) {
  91         ERR_raise(ERR_LIB_ENGINE, ERR_R_PASSED_NULL_PARAMETER);
  92         return NULL;
  93     }
  94     if (!CRYPTO_THREAD_write_lock(global_engine_lock))
  95         return NULL;
  96     if (e->funct_ref == 0) {
  97         CRYPTO_THREAD_unlock(global_engine_lock);
  98         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NOT_INITIALISED);
  99         return NULL;
 100     }
 101     CRYPTO_THREAD_unlock(global_engine_lock);
 102     if (!e->load_pubkey) {
 103         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NO_LOAD_FUNCTION);
 104         return NULL;
 105     }
 106     pkey = e->load_pubkey(e, key_id, ui_method, callback_data);
 107     if (pkey == NULL) {
 108         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
 109         return NULL;
 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         ERR_raise(ERR_LIB_ENGINE, ERR_R_PASSED_NULL_PARAMETER);
 122         return 0;
 123     }
 124     if (!CRYPTO_THREAD_write_lock(global_engine_lock))
 125         return 0;
 126     if (e->funct_ref == 0) {
 127         CRYPTO_THREAD_unlock(global_engine_lock);
 128         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NOT_INITIALISED);
 129         return 0;
 130     }
 131     CRYPTO_THREAD_unlock(global_engine_lock);
 132     if (!e->load_ssl_client_cert) {
 133         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NO_LOAD_FUNCTION);
 134         return 0;
 135     }
 136     return e->load_ssl_client_cert(e, s, ca_dn, pcert, ppkey, pother,
 137                                    ui_method, callback_data);
 138 }