eng_pkey.c revision 296465 
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
60int ENGINE_set_load_privkey_function(ENGINE *e,
61                                     ENGINE_LOAD_KEY_PTR loadpriv_f)
62{
63    e->load_privkey = loadpriv_f;
64    return 1;
65}
66
67int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f)
68{
69    e->load_pubkey = loadpub_f;
70    return 1;
71}
72
73int ENGINE_set_load_ssl_client_cert_function(ENGINE *e,
74                                             ENGINE_SSL_CLIENT_CERT_PTR
75                                             loadssl_f)
76{
77    e->load_ssl_client_cert = loadssl_f;
78    return 1;
79}
80
81ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
82{
83    return e->load_privkey;
84}
85
86ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e)
87{
88    return e->load_pubkey;
89}
90
91ENGINE_SSL_CLIENT_CERT_PTR ENGINE_get_ssl_client_cert_function(const ENGINE
92                                                               *e)
93{
94    return e->load_ssl_client_cert;
95}
96
97/* API functions to load public/private keys */
98
99EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,
100                                  UI_METHOD *ui_method, void *callback_data)
101{
102    EVP_PKEY *pkey;
103
104    if (e == NULL) {
105        ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
106                  ERR_R_PASSED_NULL_PARAMETER);
107        return 0;
108    }
109    CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
110    if (e->funct_ref == 0) {
111        CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
112        ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY, ENGINE_R_NOT_INITIALISED);
113        return 0;
114    }
115    CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
116    if (!e->load_privkey) {
117        ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
118                  ENGINE_R_NO_LOAD_FUNCTION);
119        return 0;
120    }
121    pkey = e->load_privkey(e, key_id, ui_method, callback_data);
122    if (!pkey) {
123        ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY,
124                  ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
125        return 0;
126    }
127    return pkey;
128}
129
130EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
131                                 UI_METHOD *ui_method, void *callback_data)
132{
133    EVP_PKEY *pkey;
134
135    if (e == NULL) {
136        ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
137                  ERR_R_PASSED_NULL_PARAMETER);
138        return 0;
139    }
140    CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
141    if (e->funct_ref == 0) {
142        CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
143        ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, ENGINE_R_NOT_INITIALISED);
144        return 0;
145    }
146    CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
147    if (!e->load_pubkey) {
148        ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, ENGINE_R_NO_LOAD_FUNCTION);
149        return 0;
150    }
151    pkey = e->load_pubkey(e, key_id, ui_method, callback_data);
152    if (!pkey) {
153        ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY,
154                  ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
155        return 0;
156    }
157    return pkey;
158}
159
160int ENGINE_load_ssl_client_cert(ENGINE *e, SSL *s,
161                                STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
162                                EVP_PKEY **ppkey, STACK_OF(X509) **pother,
163                                UI_METHOD *ui_method, void *callback_data)
164{
165
166    if (e == NULL) {
167        ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
168                  ERR_R_PASSED_NULL_PARAMETER);
169        return 0;
170    }
171    CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
172    if (e->funct_ref == 0) {
173        CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
174        ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
175                  ENGINE_R_NOT_INITIALISED);
176        return 0;
177    }
178    CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
179    if (!e->load_ssl_client_cert) {
180        ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
181                  ENGINE_R_NO_LOAD_FUNCTION);
182        return 0;
183    }
184    return e->load_ssl_client_cert(e, s, ca_dn, pcert, ppkey, pother,
185                                   ui_method, callback_data);
186}
187