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, ENGINE_LOAD_KEY_PTR loadpriv_f)
61	{
62	e->load_privkey = loadpriv_f;
63	return 1;
64	}
65
66int 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
72int 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
79ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
80	{
81	return e->load_privkey;
82	}
83
84ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e)
85	{
86	return e->load_pubkey;
87	}
88
89ENGINE_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
96EVP_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
132EVP_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
168int 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	}
197