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d02b48c6 | 1 | /* crypto/evp/names.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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" | |
ec577822 BM |
61 | #include <openssl/evp.h> |
62 | #include <openssl/objects.h> | |
63 | #include <openssl/x509.h> | |
d02b48c6 | 64 | |
13588350 | 65 | int EVP_add_cipher(const EVP_CIPHER *c) |
d02b48c6 | 66 | { |
dfeab068 | 67 | int r; |
d02b48c6 | 68 | |
70f34a58 | 69 | r=OBJ_NAME_add(OBJ_nid2sn(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c); |
dfeab068 | 70 | if (r == 0) return(0); |
246e0931 | 71 | check_defer(c->nid); |
70f34a58 | 72 | r=OBJ_NAME_add(OBJ_nid2ln(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c); |
dfeab068 | 73 | return(r); |
d02b48c6 RE |
74 | } |
75 | ||
5ba4bf35 | 76 | |
13588350 | 77 | int EVP_add_digest(const EVP_MD *md) |
d02b48c6 | 78 | { |
dfeab068 | 79 | int r; |
e778802f | 80 | const char *name; |
d02b48c6 | 81 | |
dfeab068 | 82 | name=OBJ_nid2sn(md->type); |
70f34a58 | 83 | r=OBJ_NAME_add(name,OBJ_NAME_TYPE_MD_METH,(const char *)md); |
dfeab068 | 84 | if (r == 0) return(0); |
246e0931 | 85 | check_defer(md->type); |
70f34a58 | 86 | r=OBJ_NAME_add(OBJ_nid2ln(md->type),OBJ_NAME_TYPE_MD_METH,(const char *)md); |
dfeab068 | 87 | if (r == 0) return(0); |
d02b48c6 | 88 | |
17084562 | 89 | if (md->pkey_type && md->type != md->pkey_type) |
d02b48c6 | 90 | { |
dfeab068 RE |
91 | r=OBJ_NAME_add(OBJ_nid2sn(md->pkey_type), |
92 | OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name); | |
93 | if (r == 0) return(0); | |
246e0931 | 94 | check_defer(md->pkey_type); |
dfeab068 RE |
95 | r=OBJ_NAME_add(OBJ_nid2ln(md->pkey_type), |
96 | OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name); | |
d02b48c6 | 97 | } |
dfeab068 | 98 | return(r); |
d02b48c6 RE |
99 | } |
100 | ||
6b691a5c | 101 | const EVP_CIPHER *EVP_get_cipherbyname(const char *name) |
d02b48c6 | 102 | { |
e778802f | 103 | const EVP_CIPHER *cp; |
d02b48c6 | 104 | |
e778802f | 105 | cp=(const EVP_CIPHER *)OBJ_NAME_get(name,OBJ_NAME_TYPE_CIPHER_METH); |
dfeab068 | 106 | return(cp); |
d02b48c6 RE |
107 | } |
108 | ||
6b691a5c | 109 | const EVP_MD *EVP_get_digestbyname(const char *name) |
d02b48c6 | 110 | { |
e778802f | 111 | const EVP_MD *cp; |
d02b48c6 | 112 | |
e778802f | 113 | cp=(const EVP_MD *)OBJ_NAME_get(name,OBJ_NAME_TYPE_MD_METH); |
dfeab068 | 114 | return(cp); |
d02b48c6 RE |
115 | } |
116 | ||
6b691a5c | 117 | void EVP_cleanup(void) |
d02b48c6 | 118 | { |
dfeab068 RE |
119 | OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH); |
120 | OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH); | |
ee7f80c5 RL |
121 | /* The above calls will only clean out the contents of the name |
122 | hash table, but not the hash table itself. The following line | |
123 | does that part. -- Richard Levitte */ | |
124 | OBJ_NAME_cleanup(-1); | |
125 | ||
ee0508d4 | 126 | EVP_PBE_cleanup(); |
246e0931 DSH |
127 | if (obj_cleanup_defer == 2) |
128 | { | |
129 | obj_cleanup_defer = 0; | |
130 | OBJ_cleanup(); | |
131 | } | |
0ee2166c | 132 | OBJ_sigid_free(); |
d02b48c6 | 133 | } |
5ba4bf35 DSH |
134 | |
135 | struct doall_cipher | |
136 | { | |
137 | void *arg; | |
138 | void (*fn)(const EVP_CIPHER *ciph, | |
139 | const char *from, const char *to, void *arg); | |
140 | }; | |
141 | ||
142 | static void do_all_cipher_fn(const OBJ_NAME *nm, void *arg) | |
143 | { | |
144 | struct doall_cipher *dc = arg; | |
145 | if (nm->alias) | |
146 | dc->fn(NULL, nm->name, nm->data, dc->arg); | |
147 | else | |
e5fa864f | 148 | dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg); |
5ba4bf35 DSH |
149 | } |
150 | ||
151 | void EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph, | |
152 | const char *from, const char *to, void *x), void *arg) | |
153 | { | |
154 | struct doall_cipher dc; | |
155 | dc.fn = fn; | |
156 | dc.arg = arg; | |
157 | OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc); | |
158 | } | |
159 | ||
160 | void EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph, | |
161 | const char *from, const char *to, void *x), void *arg) | |
162 | { | |
163 | struct doall_cipher dc; | |
164 | dc.fn = fn; | |
165 | dc.arg = arg; | |
166 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn,&dc); | |
167 | } | |
168 | ||
169 | struct doall_md | |
170 | { | |
171 | void *arg; | |
172 | void (*fn)(const EVP_MD *ciph, | |
173 | const char *from, const char *to, void *arg); | |
174 | }; | |
175 | ||
176 | static void do_all_md_fn(const OBJ_NAME *nm, void *arg) | |
177 | { | |
178 | struct doall_md *dc = arg; | |
179 | if (nm->alias) | |
180 | dc->fn(NULL, nm->name, nm->data, dc->arg); | |
181 | else | |
e5fa864f | 182 | dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg); |
5ba4bf35 DSH |
183 | } |
184 | ||
185 | void EVP_MD_do_all(void (*fn)(const EVP_MD *md, | |
186 | const char *from, const char *to, void *x), void *arg) | |
187 | { | |
188 | struct doall_md dc; | |
189 | dc.fn = fn; | |
190 | dc.arg = arg; | |
191 | OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc); | |
192 | } | |
193 | ||
194 | void EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *md, | |
195 | const char *from, const char *to, void *x), void *arg) | |
196 | { | |
197 | struct doall_md dc; | |
198 | dc.fn = fn; | |
199 | dc.arg = arg; | |
200 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc); | |
201 | } |