243 lines
7.1 KiB
C
243 lines
7.1 KiB
C
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/* $OpenBSD: names.c,v 1.14 2018/03/17 16:20:01 beck Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/x509.h>
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int
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EVP_add_cipher(const EVP_CIPHER *c)
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{
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int r;
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if (c == NULL)
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return 0;
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r = OBJ_NAME_add(OBJ_nid2sn(c->nid), OBJ_NAME_TYPE_CIPHER_METH,
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(const char *)c);
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if (r == 0)
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return (0);
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check_defer(c->nid);
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r = OBJ_NAME_add(OBJ_nid2ln(c->nid), OBJ_NAME_TYPE_CIPHER_METH,
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(const char *)c);
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return (r);
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}
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int
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EVP_add_digest(const EVP_MD *md)
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{
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int r;
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const char *name;
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name = OBJ_nid2sn(md->type);
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r = OBJ_NAME_add(name, OBJ_NAME_TYPE_MD_METH, (const char *)md);
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if (r == 0)
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return (0);
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check_defer(md->type);
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r = OBJ_NAME_add(OBJ_nid2ln(md->type), OBJ_NAME_TYPE_MD_METH,
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(const char *)md);
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if (r == 0)
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return (0);
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if (md->pkey_type && md->type != md->pkey_type) {
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r = OBJ_NAME_add(OBJ_nid2sn(md->pkey_type),
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OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS, name);
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if (r == 0)
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return (0);
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check_defer(md->pkey_type);
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r = OBJ_NAME_add(OBJ_nid2ln(md->pkey_type),
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OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS, name);
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}
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return (r);
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}
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const EVP_CIPHER *
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EVP_get_cipherbyname(const char *name)
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{
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const EVP_CIPHER *cp;
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if (!OPENSSL_init_crypto(0, NULL))
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return NULL;
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cp = (const EVP_CIPHER *)OBJ_NAME_get(name, OBJ_NAME_TYPE_CIPHER_METH);
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return (cp);
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}
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const EVP_MD *
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EVP_get_digestbyname(const char *name)
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{
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const EVP_MD *cp;
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if (!OPENSSL_init_crypto(0, NULL))
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return NULL;
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cp = (const EVP_MD *)OBJ_NAME_get(name, OBJ_NAME_TYPE_MD_METH);
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return (cp);
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}
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void
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EVP_cleanup(void)
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{
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OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH);
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OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH);
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/* The above calls will only clean out the contents of the name
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hash table, but not the hash table itself. The following line
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does that part. -- Richard Levitte */
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OBJ_NAME_cleanup(-1);
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EVP_PBE_cleanup();
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if (obj_cleanup_defer == 2) {
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obj_cleanup_defer = 0;
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OBJ_cleanup();
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}
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OBJ_sigid_free();
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}
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struct doall_cipher {
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void *arg;
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void (*fn)(const EVP_CIPHER *ciph, const char *from, const char *to,
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void *arg);
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};
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static void
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do_all_cipher_fn(const OBJ_NAME *nm, void *arg)
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{
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struct doall_cipher *dc = arg;
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if (nm->alias)
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dc->fn(NULL, nm->name, nm->data, dc->arg);
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else
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dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg);
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}
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void
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EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph, const char *from,
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const char *to, void *x), void *arg)
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{
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struct doall_cipher dc;
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/* Prayer and clean living lets you ignore errors, OpenSSL style */
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(void) OPENSSL_init_crypto(0, NULL);
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dc.fn = fn;
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dc.arg = arg;
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OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc);
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}
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void
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EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph, const char *from,
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const char *to, void *x), void *arg)
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{
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struct doall_cipher dc;
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/* Prayer and clean living lets you ignore errors, OpenSSL style */
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(void) OPENSSL_init_crypto(0, NULL);
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dc.fn = fn;
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dc.arg = arg;
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OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH,
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do_all_cipher_fn, &dc);
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}
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struct doall_md {
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void *arg;
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void (*fn)(const EVP_MD *ciph, const char *from, const char *to,
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void *arg);
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};
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static void
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do_all_md_fn(const OBJ_NAME *nm, void *arg)
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{
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struct doall_md *dc = arg;
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if (nm->alias)
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dc->fn(NULL, nm->name, nm->data, dc->arg);
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else
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dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg);
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}
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void
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EVP_MD_do_all(void (*fn)(const EVP_MD *md, const char *from, const char *to,
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void *x), void *arg)
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{
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struct doall_md dc;
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/* Prayer and clean living lets you ignore errors, OpenSSL style */
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(void) OPENSSL_init_crypto(0, NULL);
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dc.fn = fn;
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dc.arg = arg;
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OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
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}
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void
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EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *md,
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const char *from, const char *to, void *x), void *arg)
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{
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struct doall_md dc;
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/* Prayer and clean living lets you ignore errors, OpenSSL style */
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(void) OPENSSL_init_crypto(0, NULL);
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dc.fn = fn;
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dc.arg = arg;
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OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
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}
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