/* $OpenBSD: names.c,v 1.15 2021/12/12 21:30:13 tb 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> #include "evp_locl.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); }
