Branch data 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 : 92467 : int EVP_add_cipher(const EVP_CIPHER *c)
66 : : {
67 : : int r;
68 : :
69 [ + - ]: 92467 : if (c == NULL) return 0;
70 : :
71 : 92467 : r=OBJ_NAME_add(OBJ_nid2sn(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c);
72 [ + - ]: 92467 : if (r == 0) return(0);
73 : 92467 : check_defer(c->nid);
74 : 92467 : r=OBJ_NAME_add(OBJ_nid2ln(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c);
75 : 92467 : return(r);
76 : : }
77 : :
78 : :
79 : 19386 : int EVP_add_digest(const EVP_MD *md)
80 : : {
81 : : int r;
82 : : const char *name;
83 : :
84 : 19386 : name=OBJ_nid2sn(md->type);
85 : 19386 : r=OBJ_NAME_add(name,OBJ_NAME_TYPE_MD_METH,(const char *)md);
86 [ + - ]: 19386 : if (r == 0) return(0);
87 : 19386 : check_defer(md->type);
88 : 19386 : r=OBJ_NAME_add(OBJ_nid2ln(md->type),OBJ_NAME_TYPE_MD_METH,(const char *)md);
89 [ + - ]: 19386 : if (r == 0) return(0);
90 : :
91 [ + + ][ + + ]: 19386 : if (md->pkey_type && md->type != md->pkey_type)
92 : : {
93 : 14780 : r=OBJ_NAME_add(OBJ_nid2sn(md->pkey_type),
94 : : OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name);
95 [ + - ]: 14780 : if (r == 0) return(0);
96 : 14780 : check_defer(md->pkey_type);
97 : 14780 : r=OBJ_NAME_add(OBJ_nid2ln(md->pkey_type),
98 : : OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name);
99 : : }
100 : 19386 : return(r);
101 : : }
102 : :
103 : 13970 : const EVP_CIPHER *EVP_get_cipherbyname(const char *name)
104 : : {
105 : : const EVP_CIPHER *cp;
106 : :
107 : 13970 : cp=(const EVP_CIPHER *)OBJ_NAME_get(name,OBJ_NAME_TYPE_CIPHER_METH);
108 : 13970 : return(cp);
109 : : }
110 : :
111 : 15261 : const EVP_MD *EVP_get_digestbyname(const char *name)
112 : : {
113 : : const EVP_MD *cp;
114 : :
115 : 15261 : cp=(const EVP_MD *)OBJ_NAME_get(name,OBJ_NAME_TYPE_MD_METH);
116 : 15261 : return(cp);
117 : : }
118 : :
119 : 1621 : void EVP_cleanup(void)
120 : : {
121 : 1621 : OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH);
122 : 1621 : OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH);
123 : : /* The above calls will only clean out the contents of the name
124 : : hash table, but not the hash table itself. The following line
125 : : does that part. -- Richard Levitte */
126 : 1621 : OBJ_NAME_cleanup(-1);
127 : :
128 : 1621 : EVP_PBE_cleanup();
129 [ - + ]: 1621 : if (obj_cleanup_defer == 2)
130 : : {
131 : 0 : obj_cleanup_defer = 0;
132 : 0 : OBJ_cleanup();
133 : : }
134 : 1621 : OBJ_sigid_free();
135 : 1621 : }
136 : :
137 : : struct doall_cipher
138 : : {
139 : : void *arg;
140 : : void (*fn)(const EVP_CIPHER *ciph,
141 : : const char *from, const char *to, void *arg);
142 : : };
143 : :
144 : 0 : static void do_all_cipher_fn(const OBJ_NAME *nm, void *arg)
145 : : {
146 : 0 : struct doall_cipher *dc = arg;
147 [ # # ]: 0 : if (nm->alias)
148 : 0 : dc->fn(NULL, nm->name, nm->data, dc->arg);
149 : : else
150 : 0 : dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg);
151 : 0 : }
152 : :
153 : 0 : void EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph,
154 : : const char *from, const char *to, void *x), void *arg)
155 : : {
156 : : struct doall_cipher dc;
157 : 0 : dc.fn = fn;
158 : 0 : dc.arg = arg;
159 : 0 : OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc);
160 : 0 : }
161 : :
162 : 0 : void EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph,
163 : : const char *from, const char *to, void *x), void *arg)
164 : : {
165 : : struct doall_cipher dc;
166 : 0 : dc.fn = fn;
167 : 0 : dc.arg = arg;
168 : 0 : OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn,&dc);
169 : 0 : }
170 : :
171 : : struct doall_md
172 : : {
173 : : void *arg;
174 : : void (*fn)(const EVP_MD *ciph,
175 : : const char *from, const char *to, void *arg);
176 : : };
177 : :
178 : 0 : static void do_all_md_fn(const OBJ_NAME *nm, void *arg)
179 : : {
180 : 0 : struct doall_md *dc = arg;
181 [ # # ]: 0 : if (nm->alias)
182 : 0 : dc->fn(NULL, nm->name, nm->data, dc->arg);
183 : : else
184 : 0 : dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg);
185 : 0 : }
186 : :
187 : 0 : void EVP_MD_do_all(void (*fn)(const EVP_MD *md,
188 : : const char *from, const char *to, void *x), void *arg)
189 : : {
190 : : struct doall_md dc;
191 : 0 : dc.fn = fn;
192 : 0 : dc.arg = arg;
193 : 0 : OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
194 : 0 : }
195 : :
196 : 0 : void EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *md,
197 : : const char *from, const char *to, void *x), void *arg)
198 : : {
199 : : struct doall_md dc;
200 : 0 : dc.fn = fn;
201 : 0 : dc.arg = arg;
202 : 0 : OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
203 : 0 : }
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