Line data Source code
1 : /* crypto/evp/names.c */
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 : #include "cryptlib.h"
61 : #include <openssl/evp.h>
62 : #include <openssl/objects.h>
63 : #include <openssl/x509.h>
64 :
65 14036 : int EVP_add_cipher(const EVP_CIPHER *c)
66 : {
67 : int r;
68 :
69 14036 : if (c == NULL)
70 : return 0;
71 :
72 13068 : OPENSSL_init();
73 :
74 13068 : r = OBJ_NAME_add(OBJ_nid2sn(c->nid), OBJ_NAME_TYPE_CIPHER_METH,
75 : (const char *)c);
76 13068 : if (r == 0)
77 : return (0);
78 13068 : check_defer(c->nid);
79 13068 : r = OBJ_NAME_add(OBJ_nid2ln(c->nid), OBJ_NAME_TYPE_CIPHER_METH,
80 : (const char *)c);
81 13068 : return (r);
82 : }
83 :
84 2662 : int EVP_add_digest(const EVP_MD *md)
85 : {
86 : int r;
87 : const char *name;
88 2662 : OPENSSL_init();
89 :
90 2662 : name = OBJ_nid2sn(md->type);
91 2662 : r = OBJ_NAME_add(name, OBJ_NAME_TYPE_MD_METH, (const char *)md);
92 2662 : if (r == 0)
93 : return (0);
94 2662 : check_defer(md->type);
95 2662 : r = OBJ_NAME_add(OBJ_nid2ln(md->type), OBJ_NAME_TYPE_MD_METH,
96 : (const char *)md);
97 2662 : if (r == 0)
98 : return (0);
99 :
100 2662 : if (md->pkey_type && md->type != md->pkey_type) {
101 2178 : r = OBJ_NAME_add(OBJ_nid2sn(md->pkey_type),
102 : OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name);
103 2178 : if (r == 0)
104 : return (0);
105 2178 : check_defer(md->pkey_type);
106 2178 : r = OBJ_NAME_add(OBJ_nid2ln(md->pkey_type),
107 : OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name);
108 : }
109 2662 : return (r);
110 : }
111 :
112 1573 : const EVP_CIPHER *EVP_get_cipherbyname(const char *name)
113 : {
114 : const EVP_CIPHER *cp;
115 :
116 1573 : cp = (const EVP_CIPHER *)OBJ_NAME_get(name, OBJ_NAME_TYPE_CIPHER_METH);
117 1573 : return (cp);
118 : }
119 :
120 3712 : const EVP_MD *EVP_get_digestbyname(const char *name)
121 : {
122 : const EVP_MD *cp;
123 :
124 3712 : cp = (const EVP_MD *)OBJ_NAME_get(name, OBJ_NAME_TYPE_MD_METH);
125 3712 : return (cp);
126 : }
127 :
128 0 : void EVP_cleanup(void)
129 : {
130 0 : OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH);
131 0 : OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH);
132 : /*
133 : * The above calls will only clean out the contents of the name hash
134 : * table, but not the hash table itself. The following line does that
135 : * part. -- Richard Levitte
136 : */
137 0 : OBJ_NAME_cleanup(-1);
138 :
139 0 : EVP_PBE_cleanup();
140 0 : if (obj_cleanup_defer == 2) {
141 0 : obj_cleanup_defer = 0;
142 0 : OBJ_cleanup();
143 : }
144 0 : OBJ_sigid_free();
145 0 : }
146 :
147 : struct doall_cipher {
148 : void *arg;
149 : void (*fn) (const EVP_CIPHER *ciph,
150 : const char *from, const char *to, void *arg);
151 : };
152 :
153 0 : static void do_all_cipher_fn(const OBJ_NAME *nm, void *arg)
154 : {
155 : struct doall_cipher *dc = arg;
156 0 : if (nm->alias)
157 0 : dc->fn(NULL, nm->name, nm->data, dc->arg);
158 : else
159 0 : dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg);
160 0 : }
161 :
162 0 : void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph,
163 : const char *from, const char *to, void *x),
164 : void *arg)
165 : {
166 : struct doall_cipher dc;
167 0 : dc.fn = fn;
168 0 : dc.arg = arg;
169 0 : OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc);
170 0 : }
171 :
172 0 : void EVP_CIPHER_do_all_sorted(void (*fn) (const EVP_CIPHER *ciph,
173 : const char *from, const char *to,
174 : void *x), void *arg)
175 : {
176 : struct doall_cipher dc;
177 0 : dc.fn = fn;
178 0 : dc.arg = arg;
179 0 : OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc);
180 0 : }
181 :
182 : struct doall_md {
183 : void *arg;
184 : void (*fn) (const EVP_MD *ciph,
185 : const char *from, const char *to, void *arg);
186 : };
187 :
188 0 : static void do_all_md_fn(const OBJ_NAME *nm, void *arg)
189 : {
190 : struct doall_md *dc = arg;
191 0 : if (nm->alias)
192 0 : dc->fn(NULL, nm->name, nm->data, dc->arg);
193 : else
194 0 : dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg);
195 0 : }
196 :
197 0 : void EVP_MD_do_all(void (*fn) (const EVP_MD *md,
198 : const char *from, const char *to, void *x),
199 : void *arg)
200 : {
201 : struct doall_md dc;
202 0 : dc.fn = fn;
203 0 : dc.arg = arg;
204 0 : OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
205 0 : }
206 :
207 0 : void EVP_MD_do_all_sorted(void (*fn) (const EVP_MD *md,
208 : const char *from, const char *to,
209 : void *x), void *arg)
210 : {
211 : struct doall_md dc;
212 0 : dc.fn = fn;
213 0 : dc.arg = arg;
214 0 : OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
215 0 : }
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