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diff --git a/src/lib/libcrypto/evp/names.c b/src/lib/libcrypto/evp/names.c
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1/* $OpenBSD: names.c,v 1.12 2014/07/11 08:44:48 jsing Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60
61#include <openssl/evp.h>
62#include <openssl/objects.h>
63#include <openssl/x509.h>
64
65int
66EVP_add_cipher(const EVP_CIPHER *c)
67{
68 int r;
69
70 if (c == NULL)
71 return 0;
72
73 OPENSSL_init();
74
75 r = OBJ_NAME_add(OBJ_nid2sn(c->nid), OBJ_NAME_TYPE_CIPHER_METH,
76 (const char *)c);
77 if (r == 0)
78 return (0);
79 check_defer(c->nid);
80 r = OBJ_NAME_add(OBJ_nid2ln(c->nid), OBJ_NAME_TYPE_CIPHER_METH,
81 (const char *)c);
82 return (r);
83}
84
85int
86EVP_add_digest(const EVP_MD *md)
87{
88 int r;
89 const char *name;
90
91 OPENSSL_init();
92
93 name = OBJ_nid2sn(md->type);
94 r = OBJ_NAME_add(name, OBJ_NAME_TYPE_MD_METH, (const char *)md);
95 if (r == 0)
96 return (0);
97 check_defer(md->type);
98 r = OBJ_NAME_add(OBJ_nid2ln(md->type), OBJ_NAME_TYPE_MD_METH,
99 (const char *)md);
100 if (r == 0)
101 return (0);
102
103 if (md->pkey_type && md->type != md->pkey_type) {
104 r = OBJ_NAME_add(OBJ_nid2sn(md->pkey_type),
105 OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS, name);
106 if (r == 0)
107 return (0);
108 check_defer(md->pkey_type);
109 r = OBJ_NAME_add(OBJ_nid2ln(md->pkey_type),
110 OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS, name);
111 }
112 return (r);
113}
114
115const EVP_CIPHER *
116EVP_get_cipherbyname(const char *name)
117{
118 const EVP_CIPHER *cp;
119
120 cp = (const EVP_CIPHER *)OBJ_NAME_get(name, OBJ_NAME_TYPE_CIPHER_METH);
121 return (cp);
122}
123
124const EVP_MD *
125EVP_get_digestbyname(const char *name)
126{
127 const EVP_MD *cp;
128
129 cp = (const EVP_MD *)OBJ_NAME_get(name, OBJ_NAME_TYPE_MD_METH);
130 return (cp);
131}
132
133void
134EVP_cleanup(void)
135{
136 OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH);
137 OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH);
138 /* The above calls will only clean out the contents of the name
139 hash table, but not the hash table itself. The following line
140 does that part. -- Richard Levitte */
141 OBJ_NAME_cleanup(-1);
142
143 EVP_PBE_cleanup();
144 if (obj_cleanup_defer == 2) {
145 obj_cleanup_defer = 0;
146 OBJ_cleanup();
147 }
148 OBJ_sigid_free();
149}
150
151struct doall_cipher {
152 void *arg;
153 void (*fn)(const EVP_CIPHER *ciph, const char *from, const char *to,
154 void *arg);
155};
156
157static void
158do_all_cipher_fn(const OBJ_NAME *nm, void *arg)
159{
160 struct doall_cipher *dc = arg;
161
162 if (nm->alias)
163 dc->fn(NULL, nm->name, nm->data, dc->arg);
164 else
165 dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg);
166}
167
168void
169EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph, const char *from,
170 const char *to, void *x), void *arg)
171{
172 struct doall_cipher dc;
173
174 dc.fn = fn;
175 dc.arg = arg;
176 OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc);
177}
178
179void
180EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph, const char *from,
181 const char *to, void *x), void *arg)
182{
183 struct doall_cipher dc;
184
185 dc.fn = fn;
186 dc.arg = arg;
187 OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH,
188 do_all_cipher_fn, &dc);
189}
190
191struct doall_md {
192 void *arg;
193 void (*fn)(const EVP_MD *ciph, const char *from, const char *to,
194 void *arg);
195};
196
197static void
198do_all_md_fn(const OBJ_NAME *nm, void *arg)
199{
200 struct doall_md *dc = arg;
201
202 if (nm->alias)
203 dc->fn(NULL, nm->name, nm->data, dc->arg);
204 else
205 dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg);
206}
207
208void
209EVP_MD_do_all(void (*fn)(const EVP_MD *md, const char *from, const char *to,
210 void *x), void *arg)
211{
212 struct doall_md dc;
213
214 dc.fn = fn;
215 dc.arg = arg;
216 OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
217}
218
219void
220EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *md,
221 const char *from, const char *to, void *x), void *arg)
222{
223 struct doall_md dc;
224
225 dc.fn = fn;
226 dc.arg = arg;
227 OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
228}
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