Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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 | int EVP_add_cipher(const EVP_CIPHER *c) |
| 66 | { |
| 67 | int r; |
| 68 | |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 69 | r=OBJ_NAME_add(OBJ_nid2sn(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c); |
| 70 | if (r == 0) return(0); |
| 71 | check_defer(c->nid); |
| 72 | r=OBJ_NAME_add(OBJ_nid2ln(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c); |
| 73 | return(r); |
| 74 | } |
| 75 | |
| 76 | |
| 77 | int EVP_add_digest(const EVP_MD *md) |
| 78 | { |
| 79 | int r; |
| 80 | const char *name; |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 81 | |
| 82 | name=OBJ_nid2sn(md->type); |
| 83 | r=OBJ_NAME_add(name,OBJ_NAME_TYPE_MD_METH,(const char *)md); |
| 84 | if (r == 0) return(0); |
| 85 | check_defer(md->type); |
| 86 | r=OBJ_NAME_add(OBJ_nid2ln(md->type),OBJ_NAME_TYPE_MD_METH,(const char *)md); |
| 87 | if (r == 0) return(0); |
| 88 | |
| 89 | if (md->pkey_type && md->type != md->pkey_type) |
| 90 | { |
| 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); |
| 94 | check_defer(md->pkey_type); |
| 95 | r=OBJ_NAME_add(OBJ_nid2ln(md->pkey_type), |
| 96 | OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name); |
| 97 | } |
| 98 | return(r); |
| 99 | } |
| 100 | |
| 101 | const EVP_CIPHER *EVP_get_cipherbyname(const char *name) |
| 102 | { |
| 103 | const EVP_CIPHER *cp; |
| 104 | |
| 105 | cp=(const EVP_CIPHER *)OBJ_NAME_get(name,OBJ_NAME_TYPE_CIPHER_METH); |
| 106 | return(cp); |
| 107 | } |
| 108 | |
| 109 | const EVP_MD *EVP_get_digestbyname(const char *name) |
| 110 | { |
| 111 | const EVP_MD *cp; |
| 112 | |
| 113 | cp=(const EVP_MD *)OBJ_NAME_get(name,OBJ_NAME_TYPE_MD_METH); |
| 114 | return(cp); |
| 115 | } |
| 116 | |
| 117 | void EVP_cleanup(void) |
| 118 | { |
| 119 | OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH); |
| 120 | OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH); |
| 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 | |
| 126 | EVP_PBE_cleanup(); |
| 127 | if (obj_cleanup_defer == 2) |
| 128 | { |
| 129 | obj_cleanup_defer = 0; |
| 130 | OBJ_cleanup(); |
| 131 | } |
| 132 | OBJ_sigid_free(); |
| 133 | } |
| 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 |
| 148 | dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg); |
| 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 |
| 182 | dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg); |
| 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 | } |