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